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Geopolymer composites reinforced with natural Fibers: A review of recent advances in processing and properties

CONSTRUCTION AND BUILDING MATERIALS (2023)

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Article Construction & Building Technology

Hemp fiber reinforced one-part alkali-activated composites with expanded perlite: Mechanical properties, microstructure analysis and high-temperature resistance

Oguzhan Yavuz Bayraktar et al.

Summary: The objective of this research is to investigate the effects of hemp fiber lengths and percentages on the properties of hemp fiber-reinforced alkali-activated composite. The results show that the addition of 20mm hemp fibers significantly improves the compressive strength, flexural strength, and thermal conductivity of the composite. High-temperature alkali cooking treatments also enhance the thermal stability of hemp fiber cellulose.

CONSTRUCTION AND BUILDING MATERIALS (2023)

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Article Materials Science, Ceramics

Facile synthesis of porous geopolymers via the addition of a water-soluble pore forming agent

Xiaodong Wang et al.

Summary: This study proposes a facile and effective method for fabricating porous geopolymers by adding NaCl as a pore forming agent. By using metakaolin and slag as raw materials, porous geopolymers with high porosity, strength, and adsorption performance can be obtained.

CERAMICS INTERNATIONAL (2022)

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Article Construction & Building Technology

Behavior of Metakaolin-Based geopolymer concrete at ambient and elevated temperatures

Abdulrahman Albidah et al.

Summary: Geopolymer or alkali-activated binders are being considered as sustainable alternatives to ordinary Portland cement. This study investigates the behavior of MK-based geopolymer concrete under ambient and elevated temperatures, with varying Na2O/Al2O3 and SiO2/Al2O3 molar ratios affecting the mechanical properties. The residual compressive strength and modulus of elasticity of geopolymer concrete after exposure to elevated temperature show good correlations with experiments.

CONSTRUCTION AND BUILDING MATERIALS (2022)

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Article Construction & Building Technology

Engineering performance of sustainable geopolymer foamed and non-foamed concretes

Ahmed Mahmoud Alnahhal et al.

Summary: This study found that in lightweight geopolymer foamed concrete, a 20% content of POFA can provide the necessary silica and alumina for better compressive strength, while a 30% content of POFA can increase compressive strength. However, for geopolymer mortar, compressive strength decreases with higher POFA content.

CONSTRUCTION AND BUILDING MATERIALS (2022)

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Article Construction & Building Technology

Influence of alkalinity on self-treatment process of natural fiber and properties of its geopolymeric composites

Teewara Suwan et al.

Summary: The research investigates the feasibility of the self-treatment process in the geopolymer system and its effect on hemp-geopolymer composite properties. The alkalinity in the geopolymer acts as an alkaline treatment reagent for reinforced hemp fibers, providing effective self-treatment. The adhesion between natural fibers and cement matrix enhances the flexural strength and impact resistance of the composites.

CONSTRUCTION AND BUILDING MATERIALS (2022)

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Article Materials Science, Multidisciplinary

Fabrication and properties of slag-based geopolymer syntactic foams containing hollow glass microspheres

Chengying Bai et al.

Summary: In this study, high porosity and high strength slag-based geopolymer syntactic foams were achieved through a combination of embedding hollow glass microspheres and direct foaming with H2O2 and a surfactant. The addition of hollow glass microspheres had a significant impact on the pore morphology, porosity, density, mechanical strength, and thermal conductivity of the foam material, leading to improved overall performance. The results indicated that the hollow glass microspheres were uniformly dispersed and well bonded with the geopolymer matrix.

MATERIALS LETTERS (2022)

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Article Chemistry, Physical

Design of porous Geopolymers for hygrothermal applications: role of nano and meso porosity

Zenabou N. M. Ngouloure et al.

Summary: Soluble silica content and hydrogen peroxide concentration were used to create porous geopolymers with different pore sizes. Rice husk ash was used as a replacement for metakaolin to achieve the desired moisture buffering capacity in layered materials. Analysis revealed that moisture buffering capacity is related to the SiO2/Al2O3 ratio and the ratio of gel pores to large pores.

SILICON (2022)

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Article Construction & Building Technology

Experimental study on static and dynamic properties of fly ash-slag based strain hardening geopolymer composites

Yi Wang et al.

Summary: This paper presents an experimental study on the effect of polyvinyl alcohol (PVA) fibre content on the engineering properties of strain hardening geopolymer composite (SHGC). The study found that increasing PVA fibre content reduces the flowability, drying shrinkage, and compressive strength of SHGC, while significantly improving its tensile strength and ultimate strain under uniaxial tension. The study also found that the dynamic compressive behaviour of SHGC is strongly associated with strain rate.

CEMENT & CONCRETE COMPOSITES (2022)

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Article Materials Science, Ceramics

Preparation, characterization, and physicomechanical properties of glass-ceramic foams based on alkali-activation and sintering of zeolite-poor rock and eggshell

Jamal Eldin F. M. Ibrahim et al.

Summary: This study reports the fabrication and characterization of novel glass-ceramic foams for thermal insulation in buildings. The optimal eggshell content and heat treatment temperature were determined, and the produced ceramic foams exhibited desirable thermal and mechanical properties.

CERAMICS INTERNATIONAL (2022)

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Article Engineering, Multidisciplinary

The effects of cations and concentration on reaction mechanism of alkali-activated blast furnace ferronickel slag

Zongxian Huang et al.

Summary: The effects of ion species and alkalinity on the alkali activated furnace ferronickel slag were studied. The results showed that NaOH produced higher reaction rate at lower concentration and differences were found between NaOH and KOH at higher concentration. A hypothesis was proposed to explain the anomalous phenomenon at higher concentration.

COMPOSITES PART B-ENGINEERING (2022)

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Article Construction & Building Technology

Physico-mechanical, thermal properties and durability of foamed geopolymer concrete containing cenospheres

Jinyan Shi et al.

Summary: In this study, cenospheres were used to replace part of fly ash in order to prepare ultra-lightweight foamed geopolymer concrete. The results showed that the addition of cenospheres improved the fluidity, setting time, mechanical properties, and thermal insulation performance of the geopolymer foams. It also improved the pore structure and reduced the sorptivity and drying shrinkage of the UFGC samples.

CONSTRUCTION AND BUILDING MATERIALS (2022)

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Article Energy & Fuels

A framework for identifying the host phases in Coal-derived fly ash

Mina Mohebbi et al.

Summary: This study developed a synergistic framework using microcharacterization techniques and leaching tests to identify the dominant host phases for major and trace elements in pulverized coal fly ash. By analyzing the host phases, the impacts can be controlled and sustainable industrial symbiosis can be developed, leading to predictions of long-term environmental impacts of combustion byproducts under different beneficial use scenarios.

FUEL (2022)

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Article Materials Science, Ceramics

The dependence of thermophysical and hygroscopic properties of macro-porous geopolymers on Si/Al

Dagmawi Mulugeta Degefu et al.

Summary: Aerated geopolymers, with induced porosity, have the potential to regulate thermal and hydric conditions within buildings. The Si/Al ratio plays a key role in determining the thermal and hydric features of foamed geopolymers, as the thermal conductivity increases and vapor permeability decreases with higher silicon content.

JOURNAL OF NON-CRYSTALLINE SOLIDS (2022)

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Article Thermodynamics

Multi-objective optimization of building design for life cycle cost and CO2 emissions: A case study of a low-energy residential building in a severe cold climate

Qingwen Xue et al.

Summary: This study successfully reduced the life cycle cost and CO2 emissions of buildings using simulation and multi-objective optimization methods. The results showed that optimization design can improve building performance and provide guidance for designers to achieve economic and environmental goals.

BUILDING SIMULATION (2022)

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Review Energy & Fuels

State of the art review on physiochemical and engineering characteristics of fly ash and its applications

Amit Kumar Ram et al.

Summary: The focus of this study is to critically review the physiochemical and engineering properties of fly ash and its applications in various fields. Fly ash has beneficial qualities that make it suitable as a new construction material. Bulk utilization of fly ash should be independent of other parameters in order to reduce disposal problems. Understanding the physiochemical characteristics helps in selecting appropriate fly ash for specific tasks. Fly ash can be utilized in various areas to reduce waste and solve disposal issues.

INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY (2022)

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Review Construction & Building Technology

Directly foamed geopolymers: A review of recent studies

Vaclav Koci et al.

Summary: Geopolymers have gained attention for their environmentally friendly characteristics, such as utilization of waste materials, low energy demands, and low carbon dioxide emissions. However, using them as a concrete replacement is not feasible in the near future, prompting the exploration of alternative applications and addressing existing challenges and gaps.

CEMENT & CONCRETE COMPOSITES (2022)

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Article Materials Science, Ceramics

Alkali-hydrothermal activation of mine tailings to prepare one-part geopolymer: Activation mechanism, workability, strength, and hydration reaction

Qing Liu et al.

Summary: Studied the activation mechanism of mine tailings rich in Si and Al, enhanced their reactivity through alkali-hydrothermal activation technology, and utilized the activated tailings and slag as precursors for the preparation of one-part geopolymer. Increasing NaOH content shortened setting time, decreased fluidity, and increased strength of OPG samples, leading to compact microstructure.

CERAMICS INTERNATIONAL (2022)

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Article Construction & Building Technology

Properties and mechanism of high-magnesium nickel slag-fly ash based geopolymer activated by phosphoric acid

Jincheng Li et al.

Summary: This study prepared HMNS-FA-phosphate based geopolymers by using phosphoric acid as activator and investigated the effects of phosphoric acid amount, HMNS:FA ratio, and water-binder ratio on the mechanical properties. The optimal conditions were found to be phosphoric acid amount of 25%, HMNS:FA ratio of 0.7:0.3, and water-binder ratio of 0.24.

CONSTRUCTION AND BUILDING MATERIALS (2022)

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Review Construction & Building Technology

Lateritic soils based geopolymer materials: A review

Rodrigue Cyriaque Kaze et al.

Summary: This paper summarizes the synthesis conditions, characteristics, and potential of laterite-based geopolymers, and suggests further research and development using locally available materials like laterite soils to produce low-cost and sustainable infrastructures.

CONSTRUCTION AND BUILDING MATERIALS (2022)

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Article Green & Sustainable Science & Technology

Potential applications for geopolymers in carbon capture and storage

Alisson Lopes Freire et al.

Summary: Geopolymers are versatile inorganic materials with wide applications, exhibiting different properties based on formulation and fabrication processes. Raw materials used in their synthesis are important considerations. Geopolymeric materials can replace Portland cement for CO2 storage and exhibit new properties when mixed with other materials.

INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL (2022)

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Article Construction & Building Technology

Durability of concretes bearing construction and demolition waste as cement and coarse aggregate substitutes

B. Cantero et al.

Summary: By using ground recycled masonry aggregate (GR-RMA) as a partial cement replacement and coarse mixed recycled aggregate (MRA) from construction and demolition waste (CDW), the durability of concrete can be improved. The findings suggest that concretes with 25% GR-RMA and 25%-50% MRA exhibit lower water absorption and better permeability, ensuring their impermeability throughout their service life. The use of supplementary cementitious materials (SCMs) in conjunction with recycled mixed waste can lead to more eco-efficient concretes.

CEMENT & CONCRETE COMPOSITES (2022)

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Review Construction & Building Technology

A review of the sustainable utilisation of red mud and fly ash for the production of geopolymer composites

Shaker M. A. Qaidi et al.

Summary: This article provides a state-of-the-art review on the usage of red mud and fly ash in the production of red mud-fly ash geopolymer composites. It discusses the environmental and economic implications, physical and chemical characteristics, manufacturing, distribution, categorization, and prospective uses of red mud. The article also highlights current advances in the use of red mud and fly ash for geopolymer synthesis, and suggests the need for further research into the combination and proportion of these materials with other cement-based materials.

CONSTRUCTION AND BUILDING MATERIALS (2022)

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Article Chemistry, Physical

Chemical Distributions of Different Sodium Hydroxide Molarities on Fly Ash/Dolomite-Based Geopolymer

Wan Mastura Wan Ibrahim et al.

Summary: Geopolymers are inorganic materials synthesized with alumina-silica gel in an alkaline environment. The study found that using 8 M sodium hydroxide solution gave the best properties for fly ash/dolomite-based geopolymer. Elemental distribution analysis revealed the correlation between element distribution and compressive strength of the samples.

MATERIALS (2022)

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Article Chemistry, Multidisciplinary

The role of curing temperature and reactive aluminum species on characteristics of phosphate geopolymer

J. N. Y. Djobo et al.

Summary: This study evaluates the effects of phosphoric acid-containing soluble aluminum and heat curing on the reaction kinetics and strength development of phosphate geopolymers. The research found that diluted phosphoric acid activation of volcanic ash follows a dissolution-enhancement-precipitation-condensation mechanism, while acid aluminum phosphate activation follows a dissolution-inhibition-precipitation-condensation mechanism. This leads to higher compressive strength improvement at an early age for acid aluminum phosphate activated volcanic ash, and higher compressive strength at a late age for phosphoric acid-activated volcanic ash phosphate geopolymer. Heat curing is found to be the most crucial parameter for compressive strength development.

RSC ADVANCES (2022)

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Proceedings Paper Materials Science, Multidisciplinary

Impact strength of rice husk ash and basalt fibre based sustainable geopolymer concrete in rigid pavements

Mahapara Abbass et al.

Summary: In this study, alkaline activators and rice husk ash were used as the source material in geopolymer concrete, while basalt fibers were used as fiber reinforcement. The findings showed that the combination of alumina luxurious basalt fibers and silica luxurious rice husk ash improved the abrasion resistance of the concrete.

MATERIALS TODAY-PROCEEDINGS (2022)

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Article Green & Sustainable Science & Technology

Modified geopolymers as promising catalyst supports for abatement of dichloromethane

Prem Kumar Seelam et al.

Summary: Geopolymers with Si-Al structure similar to zeolites have potential as environmentally friendly catalyst supports, especially when modified with HCl to increase their specific surface area. The leaching of Na and Al from the geopolymer structure results in a significant increase in specific surface areas, allowing for efficient catalytic applications.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Green & Sustainable Science & Technology

Development of high performance sustainable optimized fiber reinforced geopolymer concrete and prediction of compressive strength

A. Chithambar Ganesh et al.

Summary: Geopolymer concrete is a sustainable building material with high impact strength achieved by optimizing various factors and reducing brittleness with the utilization of glass fibers. The research findings demonstrate the development of high-performance geopolymer concrete under appropriate conditions, which can replace traditional concrete in various applications.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Construction & Building Technology

Assessment of performance of metabentonite and metazeolite-based geopolymers with fly ash sand replacement

Yurdakul Aygormez

Summary: The study investigated the use of clay and zeolite as binders in geopolymer production through substitution experiments in different proportions, showing that zeolite performed better in geopolymer with higher strength, while the use of fly ash had a positive impact on the performance of geopolymer.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Calcium carbide residue as auxiliary activator for one-part sodium carbonate-activated slag cements: compressive strength, phase assemblage and environmental benefits

Xuan Gao et al.

Summary: In this study, the addition of calcium carbide residue (CCR) as an auxiliary activator was found to accelerate the hardening of Na2CO3-activated slag binders. The binder with 8% Na2CO3 and 2.5% CCR exhibited the maximum compressive strengths of 21.8 MPa at 1-day and 37.7 MPa at 28-day, showing significant savings in CO2 emissions, energy consumption and cost compared to PC paste.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Recycling and utilization assessment of steel slag in metakaolin based geopolymer from steel slag by-product to green geopolymer

Xingyi Zhu et al.

Summary: This paper presents an experimental study on recycling steel slag waste as a supplementary material in metakaolin based geopolymer to create a new type of composite material. By analyzing the strength and microstructure of two different composites, it was found that the incorporation of steel slag into the geopolymer resulted in lower strength compared to the geopolymer without steel slag at early ages, but the negative effect decreased with curing age.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Roles of hybrid activators in improving the early-age properties of one-part geopolymer pastes

Yan-Shuai Wang et al.

Summary: The study aims to tailor the early-age properties of one-part fly ash/ground granulated blast-furnace slag geopolymer by using hybrid activators, including anhydrous sodium metasilicate, sodium carbonate, and sodium aluminate. The experimental results showed that Na2SiO3-activated geopolymer had faster setting, which could be improved by partial replacement with Na2CO3.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Materials Science, Multidisciplinary

Interfacial bonding properties of the eco-friendly geopolymer-wood composites: influences of embedded wood depth, wood surface roughness, and moisture conditions

Hanzhou Ye et al.

Summary: Increasing the embedded depth of wood, sanding the wood surface, and controlling moisture conditions during curing process can enhance the interfacial bonding strength of geopolymer-wood composites, with a plateau reached when the embedded depth exceeds 25 mm. Curing under wet conditions contributes to higher interfacial bonding strength, and improving wood surface roughness through sanding can create stronger mechanical interlocking at the interface to enhance bonding strength.

JOURNAL OF MATERIALS SCIENCE (2021)

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Article Materials Science, Multidisciplinary

Cellular ceramic foam derived from potassium-based geopolymer composite: Thermal, mechanical and structural properties

Tomas Kovarik et al.

Summary: This study investigates the fabrication of highly porous ceramic foams using a geopolymer mixture and replica technique, and evaluates the influence of mixture viscosity on foam structure and properties. The optimal viscosity for the geopolymer mixture ranges between 9 and 15 Pa.s, producing ceramic foams with improved performance.

MATERIALS & DESIGN (2021)

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Article Materials Science, Ceramics

Effects of surfactants/stabilizing agents on the microstructure and properties of porous geopolymers by direct foaming

Yingjie Qiao et al.

Summary: Metakaolin-based porous geopolymers were synthesized by direct foaming with various surfactants/stabilizing agents, and their pore structure, density, porosity, as well as properties like thermal conductivity and compression strength were studied. The relationship between compression strength and thermal conductivity with porosity was successfully evaluated using experimental data and theoretical models.

JOURNAL OF ASIAN CERAMIC SOCIETIES (2021)

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Article Construction & Building Technology

Experimental study on mechanical properties of fiber-reinforced and geopolymer-stabilized clay soil

Shengnian Wang et al.

Summary: Geopolymers are considered superior sustainable alkali-activated binders for soil improvement, and in this study, metakaolin-based geopolymer-stabilized clay soil with basalt fiber reinforcement showed improved compressive strength. The effectiveness of the fiber-matrix interaction in controlling the strength of FRGSCS was demonstrated, providing a parameter basis for its application and popularization.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Mechanical properties and reaction mechanism of one-part geopolymer mortars

Hai-Yan Zhang et al.

Summary: The study developed one-part geopolymers using solid activators and found that anhydrous sodium silicate is more effective for achieving a higher degree of geopolymerization reaction and better mechanical properties. The strength difference between one-part and two-part geopolymer mortar specimens decreases with an increase in the modulus of the activator when using a combination of solid hydrous sodium silicate and sodium hydroxide as an activator.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Research progress on recycled clay brick waste as an alternative to cement for sustainable construction materials

Ziming He et al.

Summary: Grinding brick waste into recycled brick powder (RBP) and using it instead of cement to produce sustainable construction materials is considered feasible and can improve the properties of cement-based materials. RBP is rich in SiO2, Al2O3, Fe2O3 and has pozzolanic activity, making it a potential replacement for Portland cement.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Chemistry, Physical

The Effects of Various Concentrations of NaOH on the Inter-Particle Gelation of a Fly Ash Geopolymer Aggregate

Alida Abdullah et al.

Summary: This research focuses on the inter-particle effect on the properties of fly ash geopolymer aggregates with different molarities of sodium hydroxide. The results show that a low concentration of NaOH can result in higher impact strength but lower density in fly ash geopolymer aggregates.

MATERIALS (2021)

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Article Chemistry, Physical

Strength Parameters of Foamed Geopolymer Reinforced with GFRP Mesh

Rafal Krzywon et al.

Summary: This study investigated the use of glass fiber mesh reinforcement in foamed geopolymers, finding that the type of coal ash used impacts strength properties and efficiency of reinforcement. Additionally, the presence of sodium hydroxide solution led to slight deterioration of the glass fibers.

MATERIALS (2021)

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Article Chemistry, Physical

Development and Characterization of Lightweight Geopolymer Composite Reinforced with Hybrid Carbon and Steel Fibers

Agnieszka Baziak et al.

Summary: This paper aims to analyze the impact of hybrid fiber reinforcement on the properties of a lightweight geopolymer composite. Steel fibers and carbon fibers were used as reinforcement materials to improve compressive and bending strength. The results demonstrate that the addition of fibers enhances the mechanical properties of the composite, with the best performance achieved through hybrid reinforcement.

MATERIALS (2021)

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Article Polymer Science

Effect of K/Al Molar Ratio on the Thermo-Mechanical Properties of Metakaolinite-Based Geopolymer Composites

Jan Kohout et al.

Summary: This study investigated the effect of K/Al ratio on the thermo-mechanical properties of geopolymer composites. The results showed that increasing K/Al ratio led to a decline in mechanical properties, except for a local maximum at a K/Al ratio equal to one. Additionally, it was found that for thermal applications above 600°C, it is better to use samples with lower K/Al ratios (0.55 or 0.70).

POLYMERS (2021)

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Article Engineering, Chemical

Performance of geopolymer as adsorbent on desulphurization of heavy gas oil

Biswajit Saha et al.

Summary: Geopolymer, a porous aluminosilicate material similar to zeolites, was studied for its suitability in adsorptive desulphurization (ADS) using a petroleum feedstock. Surface Na and Al elements were found to interact with sulphur compounds, leading to a high sulphur adsorption capacity of 38.4 mg/g. In addition, the adsorption process is spontaneous, exothermic, and follows pseudo-first-order kinetics.

CANADIAN JOURNAL OF CHEMICAL ENGINEERING (2021)

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Article Chemistry, Multidisciplinary

Geopolymers Reinforced with Natural Fibers: A Comparison among Different Sources

Andrea Saccani et al.

Summary: The study evaluates the performance of different natural fibers in composites with an alkali-activated matrix and finds that modification with fibers can change the mechanical behavior of the materials, increasing toughness and flexural strength without affecting the interaction with moisture.

APPLIED SCIENCES-BASEL (2021)

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Article Materials Science, Multidisciplinary

Comparative mechanical and microstructural properties of high calcium fly ash one-part geopolymers activated with Na2SiO3-anhydrous and NaAlO2

Ooi Wan-En et al.

Summary: This study investigates the effects of different solid alkali activators on one-part geopolymers, finding that the choice of activator significantly affects the properties and microstructural changes of the OPGs. Despite the differences, all the OPGs studied are suitable for building material applications.

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T (2021)

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Article Construction & Building Technology

Effects of an Illite Clay Substitution on Geopolymer Synthesis as an Alternative to Metakaolin

D. Eliche-Quesada et al.

Summary: By utilizing calcined illite clay as a substitute for metakaolin in the synthesis of new geopolymeric materials, specimens with improved mechanical strength and thermal properties were obtained, showing potential for construction applications.

JOURNAL OF MATERIALS IN CIVIL ENGINEERING (2021)

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Article Construction & Building Technology

Properties and reaction mechanism of phosphoric acid activated metakaolin geopolymer at varied curing temperatures

Hui Lin et al.

Summary: The reaction mechanism of phosphoric activated metakaolin was studied by controlling curing temperature and phosphoric acid concentration, resulting in silico-aluminate phosphate samples with high compressive strength. Intermediate products such as P-O-P units were observed during the reaction process, leading to the formation of Al-O-P structure in the final products.

CEMENT AND CONCRETE RESEARCH (2021)

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Article Materials Science, Ceramics

Development of porous geopolymers foamed by aluminum and zinc powders

D. Kioupis et al.

Summary: The study found that the foaming agent content is the determining factor of geopolymer properties, while alkali concentration plays a crucial role in pore morphology and strength development. Foaming with Aluminum is more effective than Zinc powder due to the release of more gases. Additionally, the incorporation of potassium ions contributes to the development of porous structures.

CERAMICS INTERNATIONAL (2021)

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Article Construction & Building Technology

A combined calcination method for activating mixed shale residue and red mud for preparation of geopolymer

Shenxu Bao et al.

Summary: The compressive strength of geopolymers prepared through combined calcination was higher than that of samples prepared through separate calcination, due to more silicon and aluminum substances being dissolved and enhancing the polymerization of calcium with active silicon and aluminum. Therefore, high alkaline-containing RM can effectively boost the reactivity of SR for geopolymer preparation.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Enhanced strength and microstructure of dredged clay sediment-fly ash geopolymer by mechanochemical activation

Seyedsaeid Hosseini et al.

Summary: Mechanochemical treatment of dredged clay, fly ash, and sodium silicate for geopolymer mortar production enhances reactivity, compressive strength, and reduces matrix pore size despite increased water demand. The efficacy of the treatment largely depends on the quantity and reactivity of fly ash in the geopolymer system, with inert dredged clay serving as an effective filler agent in up to 50% replacement.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Effects of alkali-treated kenaf fiber on environmentally friendly geopolymer-kenaf composites: Black liquid as the regenerated activator of the geopolymer

Na Zhang et al.

Summary: The study successfully improved the compatibility, flexural strength, and toughness of geopolymer-fiber composites by immersing in calcium chloride solution and recycling black liquid as a regenerated activator, achieving a ductile failure mode. This could serve as a basis for the low-cost and eco-friendly preparations of GFCs.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Use of the clayey cover of bauxite deposits of the Amazon region for geopolymer synthesis and its application in red ceramics

Igor Alexandre Rocha Barreto et al.

Summary: The study investigates the potential application of Belterra clay from the Amazon region in the synthesis of geopolymers. The experimental results demonstrate that Belterra clay shows promise for the synthesis of geopolymers with high mechanical strength and acceptable water absorption rates.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Influence of molarity and alkali mixture ratio on ambient temperature cured waste cement concrete based geopolymer mortar

Sourav Kumar Das et al.

Summary: This study focuses on the utilization of C&D waste (cement concrete) as geopolymer mortar to address the issue of poorly managed disposal globally. By formulating different molarities of sodium hydroxide and alkali mixture ratios and conducting tests for 90 days at controlled ambient temperature, the optimal compressive strength of 20.7 MPa was achieved. Microstructural analysis showed that factors such as molarity, dissolution of aluminosilicates, and mineral compositions play a significant role in the outcomes.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Crystallography

New Metakaolin-Based Geopolymers with the Addition of Different Types of Waste Stone Powder

Ivana Perna et al.

Summary: This study investigated the use of waste stone powder (WSP) in geopolymer synthesis, finding that WSP additions have a small but positive effect on the properties of geopolymers and can serve as an accelerator for geopolymer reaction solidification. It demonstrated that previously landfilled WSP can be utilized in geopolymers, contributing to environmental burden reduction.

CRYSTALS (2021)

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Article Materials Science, Multidisciplinary

One-part alkali activated slag using Ca(OH)2 and Na2CO3 instead of NaOH as activator: more excellent compressive strength and microstructure

Shiming Zhou et al.

Summary: In this study, sodium carbonate and calcium hydroxide were used as composite activators to prepare one-part alkali-activated slag, and compared with slag activated by sodium hydroxide. It was found that the one-part alkali-activated slag had higher compressive strength, potentially attributed to the lower porosity caused by the generation of calcium carbonate during hydration.

MATERIALS RESEARCH EXPRESS (2021)

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Review Materials Science, Multidisciplinary

A review on natural fibers for development of eco-friendly bio-composite: characteristics, and utilizations

Azizatul Karimah et al.

Summary: Understanding the basic properties of natural fibers is crucial for determining their optimal uses, such as high-quality bio-composite raw materials. This review discusses the characteristics and potential uses of natural fibers, emphasizing their sustainability and economic values. The low density and high strength to weight ratio of natural fibers make them ideal for lightweight composites and reinforcement materials.

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T (2021)

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Article Materials Science, Multidisciplinary

Mechanical strength and microstructure of metakaolin/volcanic ash-based geopolymer composites reinforced with reactive silica from rice husk ash (RHA)

Achile Nana et al.

Summary: By replacing metakaolin with different contents of volcanic ash and rice husk ash, the mechanical strength and physical properties of geopolymer composites can be improved. Optimal mechanical strength was obtained in composite samples containing 20% volcanic ash and 10% rice husk ash.

MATERIALIA (2021)

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Proceedings Paper Materials Science, Multidisciplinary

Natural fiber reinforced inorganic foam composites from short hemp bast fibers obtained by mechanical decortation of unretted stems from the wastes of hemp cultivations

Gianluca Viscusi et al.

Summary: The wettability of hemp fibers was improved by treating with sodium ascorbate, and fiber-reinforced foams were prepared using diatomite matrix, exhibiting low density and thermal conductivity.

MATERIALS TODAY-PROCEEDINGS (2021)

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Article Chemistry, Physical

Geopolymerization of halloysite via alkali-activation: Dependence of microstructures on precalcination

Baifa Zhang et al.

APPLIED CLAY SCIENCE (2020)

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Article Materials Science, Ceramics

Preparation of one-part geopolymeric precursors using vanadium tailing by thermal activation

Yongpeng Luo et al.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2020)

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Review Construction & Building Technology

Fiber-reinforced geopolymer composites: A review

Navid Ranjbar et al.

CEMENT & CONCRETE COMPOSITES (2020)

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Article Construction & Building Technology

Effects of curing environment on strength and microstructure of alkali-activated fly ash-slag binder

Subhashree Samantasinghar et al.

CONSTRUCTION AND BUILDING MATERIALS (2020)

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Article Construction & Building Technology

Multifunctional cork - alkali-activated fly ash composites: A sustainable material to enhance buildings' energy and acoustic performance

Rui M. Novais et al.

ENERGY AND BUILDINGS (2020)

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Article Green & Sustainable Science & Technology

Metakaolin-based geopolymer beads: Production methods and characterization

Valentina Medri et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Article Materials Science, Multidisciplinary

In-situ formation of geopolymer foams through addition of silica fume: Preparation and sinterability

S. E. Abo Sawan et al.

MATERIALS CHEMISTRY AND PHYSICS (2020)

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Article Chemistry, Physical

Effect of Olive-Pine Bottom Ash on Properties of Geopolymers Based on Metakaolin

Eduardo Bonet-Martinez et al.

MATERIALS (2020)

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Article Chemistry, Physical

Influence of Activators on Mechanical Properties of Modified Fly Ash Based Geopolymer Mortars

Piotr Prochon et al.

MATERIALS (2020)

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Article Construction & Building Technology

Natural fiber reinforced high calcium fly ash geopolymer mortar

Ampol Wongsa et al.

CONSTRUCTION AND BUILDING MATERIALS (2020)

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Article Construction & Building Technology

Optimization of geopolymers based on natural zeolite clinoptilolite by calcination and use of aluminate activators

Aleksandar Nikolov et al.

CONSTRUCTION AND BUILDING MATERIALS (2020)

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Article Multidisciplinary Sciences

Ag- or Cu-modified geopolymer filters for water treatment manufactured by 3D printing, direct foaming, or granulation

Tero Luukkonen et al.

SCIENTIFIC REPORTS (2020)

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Article Geochemistry & Geophysics

Modified Alkali Activated Zeolite Foams with Improved Textural and Mechanical Properties

Katerina Hrachovcova et al.

MINERALS (2020)

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Article Environmental Sciences

Mechanical property and structural evolution of alkali-activated slag-phosphate mine tailings mortars

Jie Wu et al.

CHEMOSPHERE (2020)

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Article Environmental Sciences

Effects of curing temperature on the compressive strength and microstructure of copper tailing-based geopolymers

Xiang Tian et al.

CHEMOSPHERE (2020)

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Review Construction & Building Technology

Use of recycled plastic as fine aggregate in cementitious composites: A review

Ibrahim Almeshal et al.

CONSTRUCTION AND BUILDING MATERIALS (2020)

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Article Construction & Building Technology

A bifunctional hierarchical porous kaolinite geopolymer with good performance in thermal and sound insulation

Huan Gao et al.

CONSTRUCTION AND BUILDING MATERIALS (2020)

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Article Construction & Building Technology

Alkali cation effects on chloride binding of alkali-activated fly ash and metakaolin geopolymers

Chuanqing Fu et al.

CEMENT & CONCRETE COMPOSITES (2020)

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Article Construction & Building Technology

Advances in alkali-activation of clay minerals

Ahmed Z. Khalifa et al.

CEMENT AND CONCRETE RESEARCH (2020)

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Review Green & Sustainable Science & Technology

Review of availability of source materials for geopolymer/sustainable concrete

Lateef N. Assi et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Article Biotechnology & Applied Microbiology

Effect of pre-treatment of flax tows on mechanical properties and microstructure of natural fiber reinforced geopolymer composites

Georgy Lazorenko et al.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2020)

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Article Chemistry, Physical

Experimental Investigation of NaOH and KOH Mixture in SCBA-Based Geopolymer Cement Composite

Sardar Kashif Ur Rehman et al.

MATERIALS (2020)

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Article Construction & Building Technology

Sodium hydroxide effect on the mechanical properties offlyash-slagbased geopolymer concrete

Manvendra Verma et al.

STRUCTURAL CONCRETE (2020)

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Article Chemistry, Physical

Undehydrated kaolinite as materials for the preparation of geopolymer through phosphoric acid-activation

Baifa Zhang et al.

APPLIED CLAY SCIENCE (2020)

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Proceedings Paper Materials Science, Multidisciplinary

The influence of fibre pre-treatment on the mechanical properties of the geopolymer composites

Kinga Korniejenko et al.

SCIENTIFIC-TECHNICAL CONFERENCE: E-MOBILITY, SUSTAINABLE MATERIALS AND TECHNOLOGIES (MATBUD'2020) (2020)

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Article Construction & Building Technology

Feasibility of using microwave curing to enhance the compressive strength of mixed recycled aggregate powder based geopolymer

Jiawei Tan et al.

CONSTRUCTION AND BUILDING MATERIALS (2020)

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Article Construction & Building Technology

Influence of different fibers on properties of thermal insulation composites based on geopolymer blended with glazed hollow bead

Zhihao Su et al.

CONSTRUCTION AND BUILDING MATERIALS (2019)

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Article Construction & Building Technology

A novel inorganic thermal insulation material utilizing perlite tailings

Huan Gao et al.

ENERGY AND BUILDINGS (2019)

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Article Engineering, Environmental

A porous geopolymer based on aluminum-waste with acoustic properties

C. Leiva et al.

WASTE MANAGEMENT (2019)

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Article Construction & Building Technology

Potential of Using Industrial Wastes for Production of Geopolymer Binder as Green Construction Materials

Areej T. Almalkawi et al.

CONSTRUCTION AND BUILDING MATERIALS (2019)

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Article Green & Sustainable Science & Technology

Green synthesis of high porosity waste gangue microsphere/geopolymer composite foams via hydrogen peroxide modification

Shu Yan et al.

JOURNAL OF CLEANER PRODUCTION (2019)

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Article Construction & Building Technology

Synthesis and characterization of 3D-printable geopolymeric foams for thermally efficient building envelope materials

Hussam Alghamdi et al.

CEMENT & CONCRETE COMPOSITES (2019)

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Article Construction & Building Technology

Preparation of geopolymer insulating bricks from waste raw materials

K. A. M. El-Naggar et al.

CONSTRUCTION AND BUILDING MATERIALS (2019)

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Review Construction & Building Technology

Geopolymer, green alkali activated cementitious material: Synthesis, applications and challenges

Yanguang Wu et al.

CONSTRUCTION AND BUILDING MATERIALS (2019)

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Article Construction & Building Technology

Improvement of performance of foam perlite thermal insulation material by the design of a triple-hierarchical porous structure

Huan Gao et al.

ENERGY AND BUILDINGS (2019)

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Article Chemistry, Physical

The Effect of Fineness on the Hydration Activity Index of Ground Granulated Blast Furnace Slag

Jinpeng Dai et al.

MATERIALS (2019)

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Article Engineering, Chemical

One-part geopolymers from mining residues - Effect of thermal treatment on three different tailings

Priyadharshini Perumal et al.

MINERALS ENGINEERING (2019)

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Article Engineering, Environmental

Preparation of red mud-based geopolymer materials from MSWI fly ash and red mud by mechanical activation

Yuancheng Li et al.

WASTE MANAGEMENT (2019)

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Article Chemistry, Multidisciplinary

Kinetics of extracting alumina by leaching coal fly ash with ammonium hydrogen sulfate solution

Yusheng Wu et al.

CHEMICAL PAPERS (2019)

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Article Construction & Building Technology

Insulating and fire-resistant behaviour of metakaolin and fly ash geopolymer mortars

Alaa M. Rashad

PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-CONSTRUCTION MATERIALS (2019)

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Proceedings Paper Green & Sustainable Science & Technology

Evaluation of fire, high-temperature and water erosion resistance of fiber-reinforced lightweight pozzolana-based geopolymer mortars

G. Silva et al.

DEVELOPMENT OF ECO-FRIENDLY COMPOSITE MATERIALS BASED ON GEOPOLYMER MATRIX AND REINFORCED WITH WASTE FIBERS (2019)

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Proceedings Paper Nuclear Science & Technology

Mechanical Properties of Fly Ash-Based Geopolymer with Natural Fiber

R. Zulfiati et al.

SYMPOSIUM OF EMERGING NUCLEAR TECHNOLOGY AND ENGINEERING NOVELTY (SENTEN 2018) (2019)

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Article Engineering, Civil

IMPROVING THE PROPERTIES OF CLAY SOIL BY USING LATERITE SOIL FOR PRODUCTION OF BRICKS

Anteneh Geremew et al.

CIVIL AND ENVIRONMENTAL ENGINEERING (2019)

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Article Materials Science, Composites

Hemp reinforcement in lightweight geopolymers

B. Galzerano et al.

JOURNAL OF COMPOSITE MATERIALS (2018)

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Article Materials Science, Ceramics

lInfluence of water and aluminium powder content on the properties of waste-containing geopolymer foams

Rui M. Novais et al.

CERAMICS INTERNATIONAL (2018)

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Article Construction & Building Technology

Effects of cellulose, hemicellulose, and lignin on the morphology and mechanical properties of metakaolin-based geopolymer

Hanzhou Ye et al.

CONSTRUCTION AND BUILDING MATERIALS (2018)

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Article Construction & Building Technology

Stabilization effects on the thermal conductivity and sorption behavior of earth bricks

Meriem Saidi et al.

CONSTRUCTION AND BUILDING MATERIALS (2018)

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Article Construction & Building Technology

Olive-stone biomass ash (OBA): An alternative alkaline source for the blast furnace slag activation

Sayonara Maria de Moraes Pinheiro et al.

CONSTRUCTION AND BUILDING MATERIALS (2018)

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Article Construction & Building Technology

Metakaolin-based geopolymer mortars with different alkaline activators (Na+ and K+)

Thais da Silva Rocha et al.

CONSTRUCTION AND BUILDING MATERIALS (2018)

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Article Green & Sustainable Science & Technology

Can Portland cement be replaced by low-carbon alternative materials? A study on the thermal properties and carbon emissions of innovative cements

Riccardo Maddalena et al.

JOURNAL OF CLEANER PRODUCTION (2018)

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Article Engineering, Environmental

Innovative application for bauxite residue: Red mud-based inorganic polymer spheres as pH regulators

Rui M. Novais et al.

JOURNAL OF HAZARDOUS MATERIALS (2018)

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Article Materials Science, Ceramics

Porosity, mechanical and insulating properties of geopolymer foams using vegetable oil as the stabilizing agent

Chengying Bai et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2018)

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Article Construction & Building Technology

Mechanical, thermal and acoustic properties of cellular alkali activated fly ash concrete

Jonathan Stolz et al.

CEMENT & CONCRETE COMPOSITES (2018)

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Article Materials Science, Ceramics

Pore structure analysis and properties evaluations of fly ash-based geopolymer foams by chemical foaming method

Fang Xu et al.

CERAMICS INTERNATIONAL (2018)

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Article Construction & Building Technology

Mechanical and acoustic properties of fiber-reinforced alkali-activated slag foam concretes containing lightweight structural aggregates

M. Mastali et al.

CONSTRUCTION AND BUILDING MATERIALS (2018)

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Article Green & Sustainable Science & Technology

Greenhouse gas emissions of different fly ash based geopolymer concretes in building construction

Malindu Sandanayake et al.

JOURNAL OF CLEANER PRODUCTION (2018)

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Article Materials Science, Ceramics

Fly ash based geopolymeric foams using silica fume as pore generation agent. Physical, mechanical and acoustic properties

Y. Luna-Galiano et al.

JOURNAL OF NON-CRYSTALLINE SOLIDS (2018)

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Article Engineering, Environmental

Fabrication and characterization of thermally-insulating coconut ash-based geopolymer foam

Hassan Soltan Hassan et al.

WASTE MANAGEMENT (2018)

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Article Chemistry, Physical

Comparative Study of Water-Leaching and Acid-Leaching Pretreatment on the Thermal Stability and Reactivity of Biomass Silica for Viability as a Pozzolanic Additive in Cement

Weiting Xu et al.

MATERIALS (2018)

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Article Construction & Building Technology

Waste-based geopolymeric mortars with very high moisture buffering capacity

A. De Rossi et al.

CONSTRUCTION AND BUILDING MATERIALS (2018)

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Proceedings Paper Materials Science, Multidisciplinary

Effect of Sodium Hydroxide Molarity on Physical, Mechanical and Thermal Conductivity of Metakaolin Geopolymers

Nur Ain Jaya et al.

INTERNATIONAL CONFERENCE AND EXHIBITION IN ADVANCED MATERIALS AND MICROSCOPY 2017 (ICEAMM 2017) (2018)

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Article Chemistry, Multidisciplinary

The Effect of Alkaline Activator Types on Strength and Microstructural Properties of Geopolymer from Co-Combustion Residuals of Bamboo and Kaolin

Aprilina Purbasari et al.

INDONESIAN JOURNAL OF CHEMISTRY (2018)

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Article Engineering, Multidisciplinary

Compressive strength and microstructure of assorted wastes incorporated geopolymer mortars: Effect of solution molarity

Ghasan Fahim Huseien et al.

ALEXANDRIA ENGINEERING JOURNAL (2018)

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Article Construction & Building Technology

Effect of calcium stearate based foam stabilizer on pore characteristics and thermal conductivity of geopolymer foam material

Yong Cui et al.

JOURNAL OF BUILDING ENGINEERING (2018)

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Article Materials Science, Ceramics

Reexamining calcination of kaolinite for the synthesis of metakaolin geopolymers - roles of dehydroxylation and recrystallization

Qian Wan et al.

JOURNAL OF NON-CRYSTALLINE SOLIDS (2017)

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Article Materials Science, Ceramics

Production and thermomechanical characterization of wool-geopolymer composites

Annalisa Natali Murri et al.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2017)

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Article Materials Science, Multidisciplinary

Synthesis of open-cell ceramic foam derived from geopolymer precursor via replica technique

Tomas Kovarik et al.

MATERIALS LETTERS (2017)

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Article Construction & Building Technology

Formation of one-part-mixing geopolymers and geopolymer ceramics from geopolymer powder

Liew Yun-Ming et al.

CONSTRUCTION AND BUILDING MATERIALS (2017)

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Article Materials Science, Ceramics

Mix design factors and strength prediction of metakaolin-based geopolymer

Mukund Lahoti et al.

CERAMICS INTERNATIONAL (2017)

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Article Chemistry, Physical

Influence of the molar concentration of phosphoric acid solution on the properties of metakaolin-phosphate-based geopolymer cements

Herve K. Tchakoute et al.

APPLIED CLAY SCIENCE (2017)

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Article Construction & Building Technology

Preparation of geopolymers from vanadium tailings by mechanical activation

Bo Wei et al.

CONSTRUCTION AND BUILDING MATERIALS (2017)

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Article Construction & Building Technology

Geopolymerization reaction, microstructure and simulation of metakaolin-based geopolymers at extended Si/Al ratios

Qian Wan et al.

CEMENT & CONCRETE COMPOSITES (2017)

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Article Construction & Building Technology

Alkali fusion of bentonite to synthesize one-part geopolymeric cements cured at elevated temperature by comparison with two-part ones

Peng Mei Xun et al.

CONSTRUCTION AND BUILDING MATERIALS (2017)

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Article Acoustics

Acoustic modeling of perforated concrete using the dual porosity theory

J. Carbajo et al.

APPLIED ACOUSTICS (2017)

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Article Construction & Building Technology

Synthesis and strength optimization of one-part geopolymer based on red mud

Nan Ye et al.

CONSTRUCTION AND BUILDING MATERIALS (2016)

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Article Construction & Building Technology

Formulation and performance of flash metakaolin geopolymer concretes

R. Pouhet et al.

CONSTRUCTION AND BUILDING MATERIALS (2016)

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Article Materials Science, Ceramics

High strength metakaolin-based geopolymer foams with variable macroporous structure

Chengying Bai et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2016)

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Article Construction & Building Technology

Suitability of heat-cured low-calcium fly ash-based geopolymer concrete for precast applications

Amin Noushini et al.

MAGAZINE OF CONCRETE RESEARCH (2016)

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Article Materials Science, Multidisciplinary

Influence of blowing agent on the fresh- and hardened-state properties of lightweight geopolymers

Rui M. Novais et al.

MATERIALS & DESIGN (2016)

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Article Construction & Building Technology

Acoustic characterization of natural fibers for sound absorption applications

Umberto Berardi et al.

BUILDING AND ENVIRONMENT (2015)

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Article Construction & Building Technology

Mechanical, thermal insulation, thermal resistance and acoustic absorption properties of geopolymer foam concrete

Zuhua Zhang et al.

CEMENT & CONCRETE COMPOSITES (2015)

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Article Materials Science, Ceramics

Preparation of phosphoric acid-based geopolymer foams using limestone as pore forming agent - Thermal properties by in situ XRPD and Rietveld refinements

Magdalena Lassinantti Gualtieri et al.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2015)

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Article Chemistry, Applied

Synthesis of porous hierarchical geopolymer monoliths by ice-templating

Elettra Papa et al.

MICROPOROUS AND MESOPOROUS MATERIALS (2015)

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Article Engineering, Multidisciplinary

Synthesis and mechanical properties of cotton fabric reinforced geopolymer composites

T. Alomayri et al.

COMPOSITES PART B-ENGINEERING (2014)

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Review Construction & Building Technology

A review on alkaline activation: new analytical perspectives

A. Palomo et al.

MATERIALES DE CONSTRUCCION (2014)

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Article Materials Science, Multidisciplinary

Evaluation of Relationship between Water Absorption and Durability of Concrete Materials

S. P. Zhang et al.

ADVANCES IN MATERIALS SCIENCE AND ENGINEERING (2014)

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Article Materials Science, Ceramics

Effect of water absorption on the mechanical properties of cotton fabric-reinforced geopolymer composites

T. Alomayri et al.

JOURNAL OF ASIAN CERAMIC SOCIETIES (2014)

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Article Construction & Building Technology

Production and properties of foamed reservoir sludge inorganic polymers

Kun-Hsien Yang et al.

CEMENT & CONCRETE COMPOSITES (2013)

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Article Engineering, Multidisciplinary

Characterisation of cotton fibre-reinforced geopolymer composites

T. Alomayri et al.

COMPOSITES PART B-ENGINEERING (2013)

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Review Materials Science, Multidisciplinary

A review on the degradability of polymeric composites based on natural fibres

Z. N. Azwa et al.

MATERIALS & DESIGN (2013)

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Article Multidisciplinary Sciences

Performance Evaluation and Microstructure Characterization of Metakaolin-Based Geopolymer Containing Oil Palm Ash

Abideng Hawa et al.

SCIENTIFIC WORLD JOURNAL (2013)

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Article Construction & Building Technology

Alkali-activated geopolymer produced by seeded fly ash and rice husk bark ash

Ali Nazari et al.

ADVANCES IN CEMENT RESEARCH (2012)

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Article Thermodynamics

Insulating behavior of metakaolin-based geopolymer materials assess with heat flux meter and laser flash techniques

E. Kamseu et al.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2012)

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Article Materials Science, Multidisciplinary

The phase evolution of phosphoric acid-based geopolymers at elevated temperatures

Liu Le-ping et al.

MATERIALS LETTERS (2012)

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Article Construction & Building Technology

Effect of type, form, and dosage of activators on strength of alkali-activated natural pozzolans

Dali Bondar et al.

CEMENT & CONCRETE COMPOSITES (2011)

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Article Engineering, Chemical

Thermal insulating foamy geopolymers from perlite

V. Vaou et al.

MINERALS ENGINEERING (2010)

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Article Nanoscience & Nanotechnology

Mechanical properties of basalt fiber reinforced geopolymeric concrete under impact loading

Weimin Li et al.

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING (2009)

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Article Engineering, Chemical

Thermal conductivity of metakaolin geopolymers used as a first approximation for determining gel interconnectivity

Peter Duxson et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2006)

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Article Chemistry, Physical

Understanding the relationship between geopolymer composition, microstructure and mechanical properties

P Duxson et al.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2005)

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Article Construction & Building Technology

Fracture toughness of geopolymeric concretes reinforced with basalt fibers

DP Dias et al.

CEMENT & CONCRETE COMPOSITES (2005)

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