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Article
Nanoscience & Nanotechnology
Jingxiu Chen et al.
Summary: A biomimetic micro-/nanofibrous composite membrane with highly aligned fibrous structure and tailored surface wettability was developed for high-efficiency indoor humidification, demonstrating outstanding wicking height, water absorption, evaporation rate, and humidification capacity, surpassing commercial nonwoven membranes by 57%. This innovative membrane design provides new insights into the development of micro-/nanofibrous humidifying membranes for personal comfort and industrial productivity.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Shelley D. Rawson et al.
Summary: Aerogels are attracting attention due to their lightweight and high porosity, and this study has developed a method to quantitatively analyze the microstructural evolution of lamellar aerogels. The study shows that the sheets rotate towards a flat orientation and narrow in spacing during compression, except for sheets close to the loading direction. These findings provide insights for optimizing the freeze-casting process.
Article
Materials Science, Ceramics
Mingyang Yan et al.
Summary: This paper examines the effect of pore morphology on the piezoelectric energy harvesting performance of porous barium calcium zirconate titanate (BCZT) ceramics. Results show that porous BCZT ceramics with aligned lamellar pores exhibit a higher remanent polarization and a slower decrease in the piezoelectric charge coefficient, leading to the highest piezoelectric energy harvesting figure of merit. The peak power density of these ceramics is significantly higher than that of ceramics with other pore morphologies.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
Yuanhui Gao et al.
Summary: A gradient porous ceramic membrane with surface super-hydrophilic and underwater super-oleophobic performance was prepared using hydrogel directional freezing method and low temperature oxidation process. The membrane's pore size gradually changed from 0.5 μm to 25 μm, and the super-hydrophilic and underwater super-oleophobic performance was achieved through surface modification with TiO2 nanowire array.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
Lei Yuan et al.
Summary: High performance porous mullite ceramics were successfully prepared via aqueous gel-casting in this study, and the addition of mullite fibers significantly improved the properties of the ceramic samples, including high cold compressive strength and low thermal conductivity.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
Lidiane Pereira Bessa et al.
Summary: In this study, Si was added as a sintering additive into SiC to produce Si-bonded SiC hollow fiber membranes for oil/water separation. The addition of Si improved the mechanical resistance and filtration efficiency of the membranes.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Materials Science, Multidisciplinary
Yan Xing et al.
Summary: This study demonstrates the synthesis of high-entropy oxide nanofibers from liquid precursors at low temperatures using an electrospinning method. The results show that a single-phase solid solution with bixbyite structure can be formed at a temperature as low as 500℃, and the nanofibers exhibit continuous and uniform morphology with a small diameter. This provides a new avenue for the low-temperature synthesis of high-entropy ceramics.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Materials Science, Ceramics
Mert Arslanoglu et al.
Summary: This paper presents an experimental analysis of the freeze-casting process for fabricating porous ceramics. The effects of process parameters on porosity characteristics are evaluated using silica and camphene as the materials. Image processing is used to obtain the porosity characteristics, including areal porosity, pore size, pore shape, and pore orientation. The capability to steer the pore orientation is also demonstrated through bidirectional freezing experiments.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2022)
Article
Materials Science, Ceramics
Chao Wang et al.
Summary: In this study, low-cost ceramic membranes were prepared using waste materials and demonstrated superior performance in oily wastewater treatment, suggesting their potential for solid waste utilization and oil wastewater treatment.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Materials Science, Ceramics
Xingyu Fan et al.
Summary: By utilizing the method of Y-Si-O/PVB sol-gel electrospinning combined with high-temperature calcination, ceramic fiber felts composed of gamma-Y2Si2O7 fibers were successfully prepared. These felts have the characteristics of lightweight, high porosity, and low thermal conductivity, and exhibit excellent insulation performance in high temperature conditions.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
Kecai Long et al.
Summary: A finite element model is developed to simulate the solid-state sintering process of fibrous insulator. The highest holding temperature is found to strongly control the sintered morphology, while the heating rate has little effect. The Feature Neck Ratio (FNR) is defined to quantitatively describe the degree of sintering and morphology feature of the sintered fibers.
CERAMICS INTERNATIONAL
(2022)
Review
Materials Science, Multidisciplinary
Jiahui Li et al.
Summary: This paper comprehensively reviews the mechanical properties and deformation mechanisms of discontinuous and continuous fiber-reinforced composites fabricated by various additive manufacturing techniques. The effects of fiber type, orientation, weight/volume fraction, printing path, and stacking sequence on the mechanical properties of additively manufactured composites are discussed. Additionally, the applications of additively manufactured composites, the main challenges of current additive manufacturing techniques, and recommendations for future work are presented.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Energy & Fuels
Yaning Bai et al.
Summary: Solar energy is an important green energy source and efficient utilization of solar energy has been a popular issue. In this study, chitosan/carbon fiber powder aerogels were used as a support matrix for phase change materials, and paraffin was successfully encapsulated in the aerogels. The resulting composites showed high load rate, good encapsulation capability, high enthalpy, thermal stability, solar-thermal energy conversion, and storage capability. The composites have great potential for solar energy utilization, waste heat recovery, building energy saving, and hot compression.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Engineering, Environmental
Shiqi Wu et al.
Summary: Researchers have developed a hierarchically porous hybrid carbon aerogel with chitosan hydrogels and MXenes, which exhibits lightweight, robust and durable high-performance electromagnetic interference (EMI) shielding properties. The hybrid carbon aerogel shows high EMI shielding effectiveness, significant thermal insulation and fire resistance. It also retains superior performance even after storage in a hygrothermal environment for 30 days.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Ceramics
Hao Yan et al.
Summary: Porous mullite matrix ceramics with high strength and high porosity were prepared using gelcasting forming technology and pressureless sintering, and the sintering shrinkage was effectively reduced by the in situ formation of a three-dimensional whisker network structure.
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
(2022)
Article
Materials Science, Ceramics
Wenjie Li et al.
Summary: Mullite fibers/whiskers hierarchical structure materials were successfully prepared via a three-stage method, involving seeds breeding, precursors introducing and whiskers growth. The mechanism of low-temperature in-situ synthesis of mullite whiskers during gas-phase reaction process was discussed, and the results showed that the seeds bred on mullite fibers acted as growth points and effectively reduced the growth temperature of mullite whiskers. The resulting material exhibited low density and ultralow thermal conductivity.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Materials Science, Ceramics
Xiang Li et al.
Summary: A novel method using a green and non-toxic poly-gamma-glutamic acid gelling system to fabricate porous mullite ceramics with homogeneous pore size and high-strength is reported. By optimizing the solid loading, samples with small pores dominate, exhibiting high porosity and low thermal conductivity, making them suitable as energy-saving thermal insulation materials.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Nanoscience & Nanotechnology
Mengting Liu et al.
Summary: Researchers synthesized hierarchically porous TiO2-x/C nanofibers with axially aligned cylindrical tunnel pore channels as a host for sulfur in lithium-sulfur batteries. The unique structure and enhanced conductivity of the materials enable high sulfur loading and reduced shuttle effect.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Ceramics
Angelo Oliveira Silva et al.
Summary: An asymmetric alumina microfiltration membrane with high performance was prepared by combining freeze and tape casting techniques followed by two sintering steps. The morphology influences were investigated for different solid loadings, additives content and the assembled layer membrane structures. The assembled ceramic membrane had an average pore size between 30 and 50 m, suitable for microfiltration separation with porosity in the range of 26-50% and water flux of 11-32 m(3) m(-2) h(-1) bar(-1).
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Ceramics
Zhimin An et al.
Summary: A flexible and recoverable SiO2 fiber skeleton with anisotropic layered structure was prepared through papermaking process and low-temperature sintering, improving the composite properties of the pure fiber block when impregnated with silica aerogel. This composite material exhibited lower thermal conductivity, higher compressive strength, and excellent high temperature thermal insulation, providing a cost-effective way for manufacturing aerogel composite materials with potential applications in high-temperature thermal insulation.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Hong Liu et al.
Summary: The study investigated the anisotropy of compression response and energy absorption of fiber enforced porous ceramics by directional freeze-casting to infer the failure mechanism. It was found that scaffolds supported with fiber bridges have higher mechanical properties and tend to exhibit plastic fracture, increasing toughness without decreasing porosity and pore size compared to traditional freeze-casting ceramics.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Ziwen Cheng et al.
Summary: Researchers fabricated mullite fiberboards by vacuum filtration using hollow mullite fibers based on a ceiba fiber template to improve their thermal insulation properties. The obtained fiberboards have ultralow density, low thermal conductivity, and good volume stability, showing potential for heat-insulating refractory materials.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Jinzhu Zou et al.
Summary: The pore characteristics and macroscopical performance of porous ceramics can be controlled by adjusting the freeze casting parameters. Different parameters have significant effects on the microstructure and compressive strength of porous SiC. Increasing PCS content, freeze temperature, freeze front velocity, or temperature gradient can improve the performance of porous SiC, with increased freeze front velocity showing a more efficient way to enhance compressive strength.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Linfeng Miao et al.
Summary: Sodium lignosulfonate (SL) and silane coupling agent (SCA) were used to modify fibrous filter elements in order to remove useless binder, improve strength, and investigate effects on microstructures and properties. SL reduced slurry viscosity to remove binder, while SCA promoted more Si-O bonds for enhanced adhesion. The modifications resulted in decreased bulk density but unaffected flexural strength with SL, and significantly increased flexural strength with further SCA modification.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Ceramics
Lei Yuan et al.
Summary: The mullite-ZrO2 porous fibrous ceramic fabricated by the aqueous gel-casting method showed high porosity and compressive strength, making it suitable for advanced applications in oil-water separation membranes.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Lei Yuan et al.
Summary: The novel aqueous gel-casting process successfully developed Al2O3-bonded porous fibrous YSZ ceramics with high performance and lightweight characteristics. Increasing the number of YSZ fibers led to denser network structure and more stable performance of the ceramics, although thermal conductivity and compressive strength decreased as a result.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Kaihui Zuo et al.
Summary: The study found that increasing solid loading and sintering additive content in the preparation of porous calcium silicate ceramics leads to larger pore sizes, decreased open porosity, and increased compressive strength. Higher sintering temperature promotes densification of the pore wall, reduces porosity, and improves strength. Lower freezing temperature has little effect on porosity, but reduces the size of lamellar pores and pore walls, thereby increasing strength.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Lijuan Huang et al.
Summary: By optimizing the preparation process, the multilayer microstructures, mechanical properties, and filtering performances of freeze-casting SiC ceramic membranes can be controlled. Increasing the solid content narrows the directional pore channels and improves mechanical properties, while increasing coarse particle content thickens separation layers and transition layers to enhance permeability efficiency.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Ying Zhang et al.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2020)
Article
Multidisciplinary Sciences
Nifang Zhao et al.
Article
Chemistry, Physical
Mingchao Wang et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2020)
Article
Multidisciplinary Sciences
Ting Yang et al.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2020)
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Tao Jiaa et al.
CERAMICS INTERNATIONAL
(2019)
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Linlin Guo et al.
CERAMICS INTERNATIONAL
(2019)
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Hui Li et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
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Zhi-Jie Hu et al.
CERAMICS INTERNATIONAL
(2018)
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Xiaolei Song et al.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2018)
Article
Materials Science, Multidisciplinary
J. J. Liang et al.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2017)
Article
Nanoscience & Nanotechnology
Xueqin Wang et al.
ACS APPLIED MATERIALS & INTERFACES
(2016)
