4.5 Article

Aluminum foam-filled auxetic double tubular structures: Design and characteristic study

Related references

Note: Only part of the references are listed.
Article Materials Science, Multidisciplinary

Investigation of the energy absorption capacity of foam-filled 3D-printed glass fiber reinforced thermoplastic auxetic honeycomb structures

Amin Farrokhabadi et al.

Summary: This paper experimentally examines the energy absorption capacity of continuous fiber-reinforced thermoplastic auxetic structures and compares the results with numerical and analytical methods. The study finds that using foam significantly increases the absorbed energy. Additionally, a theoretical formulation is developed and probabilistic analysis is performed to design honeycomb failures for various configurations.

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES (2023)

Article Materials Science, Multidisciplinary

Modification of hexachiral unit cell to enhance auxetic stent performance

Amir Asadi et al.

Summary: In this study, three stents with negative Poisson's ratio were designed by improving the unit cell structure, and numerical and experimental investigations were conducted using different materials. The modified auxetic stents showed better auxeticity and Poisson's ratio, and had higher radial expansion, stress tolerance and yield strain, which helped to overcome the drawbacks of non-auxetic stents.

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES (2023)

Article Materials Science, Multidisciplinary

Topology optimization of anisotropy hierarchical honeycomb acoustic metamaterials for extreme multi-broad band gaps

Jie Li et al.

Summary: This study reports on an acoustic metamaterial composed of hierarchical honeycomb structures, which have suitable mechanical properties and low-frequency band gaps. By optimizing the scatterer filling scheme, multiple wide band gaps are achieved. The effectiveness of the optimized structures is verified through experimental measurements. This research aims to promote the application of this metamaterial for low-frequency vibration isolation in the industrial field.

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES (2023)

Article Materials Science, Multidisciplinary

Exact strain gradient modelling of prestressed nonlocal diatomic lattice metamaterials

Binying Wang et al.

Summary: In this study, an accurate strain gradient continuum model is proposed to capture the broadband bandgap characteristics of prestressed diatomic lattice. The model can accurately predict the behavior when the wavelength is close to the lattice scale and is consistent with the results of the discrete model.

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES (2023)

Article Materials Science, Multidisciplinary

Quasi-static mechanical properties of origami-inspired cellular metamaterials made by metallic 3D printing

Kailun Huang et al.

Summary: This article presents a systematic study on the mechanical properties of 3D-printed metallic origami cellular metamaterials (OCMs) based on various origami configurations. The OCM specimens were fabricated using metallic 3D printing method, and compression tests were carried out to obtain their mechanical responses. The relationship between key design parameters and mechanical performance was revealed. Finite element modeling and parametric studies were conducted to further analyze the compressive behaviors of different OCM models. This work provides a practical guide for the design and fabrication of 3D-printed metallic OCMs.

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES (2023)

Article Materials Science, Multidisciplinary

Crushing and theoretical analysis of multi-cell tube filled with auxetic structure under axial impact loading

Qiang Gao et al.

Summary: This paper presents a novel structure of multi-cell tube filled with auxetic structures to improve crashworthiness performances. Finite element analysis and experimental validation are conducted to investigate the energy absorbing performances of these tubes. The results show that the multi-cell tubes with auxetic structures have better energy absorption performance compared to other typical energy absorbers. Parametric study reveals that tube and beam thicknesses and beam angles significantly affect the energy absorbing performances. An analytical model is established to accurately predict the energy absorption performances of the proposed structures under axial impact loadings.

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES (2023)

Article Mechanics

A novel auxetic chiral lattice composite: Experimental and numerical study

Xue Gang Zhang et al.

Summary: This paper investigates a new method to enhance the mechanical properties of auxetic composites by designing joints of frames. Through experiments and numerical analysis, optimizing the design of joints can improve energy absorption capacity and auxetic behavior.

COMPOSITE STRUCTURES (2022)

Article Engineering, Multidisciplinary

In-plane energy absorption characteristics of a modified re-entrant auxetic structure fabricated via 3D printing

Niranjan Kumar Choudhry et al.

Summary: In this study, the in-plane energy absorption characteristics of modified re-entrant auxetic honeycombs were investigated, showing a 36% improvement in specific energy absorption capacity compared to conventional structures. The introduced nodes with low rotational stiffness contributed to the enhanced energy absorption capacity of the modified structure.

COMPOSITES PART B-ENGINEERING (2022)

Review Materials Science, Multidisciplinary

A review on the energy absorption response and structural applications of auxetic structures

Matheus Brendon Francisco et al.

Summary: This manuscript reviews over 150 papers on energy absorption of auxetic structures, highlighting the importance of additive manufacturing and numerical analysis in samples manufacturing. It also discusses various cell models related to auxetic structures, providing additional guidelines for engineers and designers.

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES (2022)

Article Engineering, Multidisciplinary

A bio-inspired foam-filled multi-cell structural configuration for energy absorption

Ruyang Yao et al.

Summary: This study proposes a novel energy absorber by mimicking the structural characteristics of animal long bone, and investigates its performance and deformation mechanism through experiments and numerical simulations. A theoretical model is also developed to predict its performance.

COMPOSITES PART B-ENGINEERING (2022)

Article Engineering, Multidisciplinary

3D printed tubular lattice metamaterials for mechanically robust stents

Huan Jiang et al.

Summary: Coronary artery disease (CAD) is a common condition where the coronary arteries become narrow or blocked due to atherosclerosis. This study proposes a new type of tubular lattice metamaterial that shows improved mechanical resilience and bending performance, making it a promising alternative for stent design. The findings demonstrate the potential of this material for developing more robust stents in medical engineering.

COMPOSITES PART B-ENGINEERING (2022)

Article Engineering, Mechanical

Static and dynamic properties of a perforated metallic auxetic metamaterial with tunable stiffness and energy absorption

Yi Zhang et al.

Summary: This study examines the static performance and energy absorption of 2D metallic auxetic metamaterials designed by tuning densification strain. The concept of variable stiffness factor (VSF) is extended to variable energy factor (VEF) for tunable energy absorption. Results show that the designed structure has the desired mechanical properties and effective energy absorption under different crushing velocities.

INTERNATIONAL JOURNAL OF IMPACT ENGINEERING (2022)

Article Engineering, Mechanical

A reinforced energy-absorbing structure formed by combining multiple aluminum foam-filled open-hole tubes

Suchao Xie et al.

Summary: This study aims to improve the energy absorption performance of thin-walled structures. The crashworthiness of aluminum foam-filled open-hole tubes (AFOTs) and their combined energy-absorbing structure was studied. The effects of open-hole parameters on axial compression characteristics were investigated. The results showed that square holes can effectively reduce the initial peak crushing force (IPCF), but the decrease in IPCF is not exponential with an increase in the number of holes.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2022)

Article Engineering, Mechanical

A novel auxetic acoustic metamaterial plate with tunable bandgap

Zhi Tao et al.

Summary: This study proposes an acoustic metamaterial plate based on the negative Poisson's ratio structure, which has lower frequency, wider bandgap, and tunable bandgap compared to traditional plates. By increasing compression strain, the variation range of the bandgap frequency can be enlarged. This finding broadens the design of low-frequency broadband acoustic devices for dynamic environments, while providing new ideas and methodologies for real-time adjustment of bandgaps.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2022)

Article Engineering, Mechanical

Design and mechanical characteristics of auxetic metamaterial with tunable stiffness

Xian Cheng et al.

Summary: Auxetic materials are mechanical metamaterials that exhibit lateral expansion under tension and contraction under compression. Enhancing the stiffness of these materials is a focus of research to expand their potential applications. This study designs re-entrant unit cells with variable stiffness factors and verifies their accuracy through experimental and numerical analyses. The findings demonstrate that the compression points of the proposed structures can be quantitatively tuned, providing a new method for optimizing the design of unit cells with negative Poisson's ratio.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2022)

Article Engineering, Civil

A novel auxetic metamaterial with enhanced mechanical properties and tunable auxeticity

Xiang Yu Zhang et al.

Summary: An auxetic metamaterial composed of novel re-entrant unit cells was proposed and achieved more stable and significant auxetic behavior by adding wedge-shaped parts to the conventional re-entrant structure. The mechanical and deformation characteristics of this new material were investigated experimentally and numerically, and the influence of the wedge-shaped part was analyzed through a parametric study.

THIN-WALLED STRUCTURES (2022)

Article Mechanics

Lightweight auxetic metamaterials: Design and characteristic study

Dong Han et al.

Summary: In this study, lightweight auxetic metamaterials based on the elliptic perforated plate are designed to improve the energy absorption properties. Removing material in the small deformation region enhances the specific energy absorption without affecting the mechanical properties. Potential applications of the proposed lightweight auxetic metamaterials include civil engineering, aerospace, and vehicle engineering.

COMPOSITE STRUCTURES (2022)

Article Engineering, Manufacturing

Experimental and computational investigations of novel 3D printed square tubular lattice metamaterials with negative Poisson's ratio

Dong Han et al.

Summary: Novel 3D printed square auxetic tubular lattice (SATL) structures were designed, fabricated and investigated. The mechanical properties of SATL structures, including their response to axial and lateral loads, were examined. Compared to circular auxetic tubular (CATL) structures, SATL structures demonstrated lower peak force under axial load and higher stiffness and specific energy absorption under lateral load. Improved SATL structures (ISATL) exhibited stronger energy absorption capacity under both axial and lateral loads.

ADDITIVE MANUFACTURING (2022)

Article Engineering, Mechanical

The exploration of transmission property by using the circular-interface types of porous acoustic metamaterials

Guosheng Ji et al.

Summary: This study investigates the acoustic properties and design methods of circular-interface types of acoustic metamaterials (CAMs) based on the generalized Snell's law. The results show that porous CAMs have significantly enhanced sound insertion loss compared to uniform foam materials of the same thickness.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2022)

Article Engineering, Civil

Based on auxetic foam: A novel type of seismic metamaterial for Lamb waves

Ting Ting Huang et al.

Summary: Seismic metamaterial (SM) has gained significant attention in vibration isolation and damping due to its wave manipulation and bandgap properties. A novel 2D SM composed of auxetic foam and steel is proposed to attenuate seismic waves at ultra-low frequencies. Numerical simulations show that modifying the parameters of the components can enhance the bandgap and effectively attenuate seismic waves, aiming to cover the seismic peak spectrum at 2 Hz.

ENGINEERING STRUCTURES (2021)

Article Mechanics

Crack growth behavior and thermal shock resistance of ceramic sandwich structures with an auxetic honeycomb core

J. S. Hu et al.

Summary: This study developed a thermal-mechanical analysis model to describe the thermal shock behavior of ceramic sandwich structures with an auxetic honeycomb core. The results showed that the auxetic honeycomb core can substantially reduce the overall thermal stress level, providing higher thermal shock resistance compared to non-auxetic cores. The research provides valuable insights for the design and selection of CSSs in extreme temperature environments.

COMPOSITE STRUCTURES (2021)

Article Engineering, Mechanical

Isogeometric shape optimization of missing rib auxetics with prescribed negative Poisson's ratio over large strains using genetic algorithm

Deepak Kumar et al.

Summary: This paper proposes an isogeometric shape optimization framework using genetic algorithm to design 2D auxetic structures with prescribed Poisson's ratio in the nonlinear deformation regime. The versatility of the framework is demonstrated through optimization of a missing rib structure under different loading conditions, showing manufacturability using NURBS and PolyJet 3D printing. Experimental results match well with numerical predictions, highlighting the need for further investigations on compression behavior in very flexible materials.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2021)

Article Materials Science, Multidisciplinary

Tunable low-frequency bandgaps of a new two-dimensional multi-component phononic crystal under different pressures, geometric parameters and pre-compression strains

Xiao-Wei Sun et al.

Summary: A new two-dimensional phononic crystal plate is proposed for controlling low-frequency noise in complex external-pressure environments. The bandgap generation mechanism and tunability under different conditions are investigated, showing that significant bandgap tunability can be achieved by changing geometric parameters and applying pre-compression strain.

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES (2021)

Article Mechanics

Axial crashworthiness performance of foam-based composite structures under extreme temperature conditions

Emanoil Linul et al.

Summary: Metal foams have unique properties that allow them to be used under extreme temperature conditions. Research has shown that the mechanical characteristics of foam-based composites are highest at cryogenic temperatures due to hardening, but decrease at high temperatures due to softening of the matrix material. Additionally, there is a transition from brittle to ductile deformation between extreme temperatures.

COMPOSITE STRUCTURES (2021)

Article Engineering, Multidisciplinary

A novel combined auxetic tubular structure with enhanced tunable stiffness

Xiang Yu Zhang et al.

Summary: The study introduced a novel combined tubular structure with tunable stiffness to improve bearing capacity and stability by adjusting the length of the central column. Experimental results verified the effectiveness of the finite element model and examined the compression process and stress-strain curve of the tubular structure.

COMPOSITES PART B-ENGINEERING (2021)

Article Materials Science, Multidisciplinary

Size effect anomalies in the behaviour of loaded 3D mechanical metamaterials

Martin Dunn et al.

PHILOSOPHICAL MAGAZINE (2020)

Article Engineering, Multidisciplinary

Enhancing indentation and impact resistance in auxetic composite materials

Tiantian Li et al.

COMPOSITES PART B-ENGINEERING (2020)

Article Engineering, Multidisciplinary

Large deformation and energy absorption of additively manufactured auxetic materials and structures: A review

Jianjun Zhang et al.

COMPOSITES PART B-ENGINEERING (2020)

Article Mechanics

Shear resistance of an auxetic chiral mechanical metamaterial

Shengguang Jin et al.

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES (2019)

Review Materials Science, Multidisciplinary

Mechanical Metamaterials and Their Engineering Applications

James Utama Surjadi et al.

ADVANCED ENGINEERING MATERIALS (2019)

Review Materials Science, Multidisciplinary

Mechanical design and multifunctional applications of chiral mechanical metamaterials: A review

Wenwang Wu et al.

MATERIALS & DESIGN (2019)

Article Mechanics

A novel re-entrant auxetic honeycomb with enhanced in-plane impact resistance

Huan Wang et al.

COMPOSITE STRUCTURES (2019)

Article Mechanics

Auxetic nail: Design and experimental study

Xin Ren et al.

COMPOSITE STRUCTURES (2018)

Review Instruments & Instrumentation

Auxetic metamaterials and structures: a review

Xin Ren et al.

SMART MATERIALS AND STRUCTURES (2018)

Article Materials Science, Multidisciplinary

Design and characterisation of a tuneable 3D buckling-induced auxetic metamaterial

Xin Ren et al.

MATERIALS & DESIGN (2018)

Article Instruments & Instrumentation

A simple auxetic tubular structure with tuneable mechanical properties

Xin Ren et al.

SMART MATERIALS AND STRUCTURES (2016)

Article Instruments & Instrumentation

Experiments and parametric studies on 3D metallic auxetic metamaterials with tuneable mechanical properties

Xin Ren et al.

SMART MATERIALS AND STRUCTURES (2015)

Review Physics, Multidisciplinary

Metamaterials beyond electromagnetism

Muamer Kadic et al.

REPORTS ON PROGRESS IN PHYSICS (2013)

Article Engineering, Mechanical

Deformation and energy absorption of aluminum foam-filled tubes subjected to oblique loading

Zhibin Li et al.

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES (2012)

Article Materials Science, Multidisciplinary

Perforated Sheets Exhibiting Negative Poisson's Ratios

Joseph N. Grima et al.

ADVANCED ENGINEERING MATERIALS (2010)

Review Materials Science, Multidisciplinary

On auxetic materials

W Yang et al.

JOURNAL OF MATERIALS SCIENCE (2004)

Article Materials Science, Multidisciplinary

A pixel design method for mechanical metamaterials based on topology optimization

WenHai Zhang et al.

Summary: This article presents a pixel design method based on topology optimization for the arrangement of mechanical metamaterials. Metamaterials optimized with two different objectives, maximum stiffness and maximum stiffness with minimum Poisson's ratio, can be obtained using this method.

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES