Results 11 to 20 of about 6,529,113 (237)

STUDY ON ELASTIC MECHANICAL PROPERTY OF NOVEL OBLIQUE CROSS-LIKE STRUCTURE WITH NEGATIVE POISSON’S RATIO (MT)

open access: yesJixie qiangdu, 2023
Negative Poisson’s ratio(NPR) structure has been widely used in aerospace, biomedicine and military equipment and other fields owing to its outstanding energy absorption and adjustable volume.
HAN Guang, QIE YanHui, BAN BaoWang
doaj   +2 more sources

DYNAMIC CRUSHING OF HONEYCOMBS WITH A NEGATIVE POISSON’S RATIO—A FINITE ELEMENT STUDY

open access: yesJixie qiangdu, 2016
The deformation modes and energy absorption properties of honeycombs with a negative Poisson’s ratio under inplane dynamic crushing were studied by means of finite element simulation in this paper.
LU ZiXing, LI Kang
doaj   +2 more sources

Mechanical performance of auxetic polyurethane foam for antivibration glove applications [PDF]

open access: yes, 2005
In this study the static and dynamic characteristics of conventional open cell polyurethane (PU), of auxetic (negative Poisson’s ratio) and of iso-density foams were analysed.
Scarpa, F   +3 more
core   +6 more sources

Poisson’s ratio of nucleus pulposus tissue : comparison of experimental results with a biphasic poroviscoelastic finite element model [PDF]

open access: yes, 2012
This presentation looks at Poisson’s ratio of nucleus pulposus tissue, comparison of experimental results with a biphasic poroviscoelastic finite element ...
Farrell, Mark, Riches, Philip
core   +3 more sources

Novel Negative Poisson's Ratio Lattice Structures with Enhanced Stiffness and Energy Absorption Capacity. [PDF]

open access: yesMaterials (Basel), 2018
The weak stiffness and strength of materials with negative Poisson’s ratio limits their application. In this paper, three types of novel lattices with negative Poisson’s ratio are proposed to improve not only stiffness and strength but also energy ...
Chen Z, Wang Z, Zhou S, Shao J, Wu X.
europepmc   +2 more sources

Numerical analysis of impact resistance of honeycomb structures with different Poisson's ratios

open access: yesZhongguo Jianchuan Yanjiu, 2023
ObjectivesThis papers aims to analyze the impact resistance of honeycomb structure with different Poisson's ratio. MethodsBased on the explicit dynamic finite element method, this paper analyzes the dynamic mechanical properties of honeycomb structures ...
Xiaobo GONG   +3 more
doaj   +1 more source

Negative Poisson’s Ratio Lattice Structure with Chiral and Re-Entrant Properties

open access: yesApplied Sciences, 2023
Materials exhibiting negative Poisson’s ratio (NPR) effects possess several advantageous properties, including high specific strength, specific stiffness, and impact resistance.
Yifei Luo   +5 more
doaj   +1 more source

Design and Microscale Fabrication of Negative Poisson’s Ratio Lattice Structure Based on Multi-Scale Topology Optimization

open access: yesMachines, 2023
The current design of negative Poisson’s ratio lattice structures is mainly forward-looking and predominantly dependent on several known deformation patterns.
Ran An, Xueyuan Ge, Miaohui Wang
doaj   +1 more source

Hierarchical Fibers with a Negative Poisson’s Ratio for Tougher Composites [PDF]

open access: yes, 2013
In this paper, a new kind of hierarchical tube with a negative Poisson’s ratio (NPR) is proposed. The first level tube is constructed by rolling up an auxetic hexagonal honeycomb.
Yongtao Sun   +7 more
core   +1 more source

TiNi Alloy Lattice Structures with Negative Poisson’s Ratio: Computer Simulation and Experimental Results

open access: yesMetals, 2022
One of the issues that modern implants face is their high stiffness, coupled with a positive Poisson’s ratio along the implant. This creates certain problems with bone inflammation and implant detachment.
Eduard Farber   +6 more
doaj   +1 more source

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