Results 21 to 30 of about 22,427 (184)

Novel design of tubular metamaterials with sign-switchable Poisson’s ratio and tunable mechanical properties for intestinal stents [PDF]

Frontiers in Bioengineering and Biotechnology
IntroductionCurrent intestinal stents used to restore patency face limitations due to the rigidity of metal structures and the premature degradation of biopolymer alternatives.
Yongtao Lyu, Yongtao Lyu, Yongtao Lyu, Volha Siniauskaya, Volha Siniauskaya, Jian Jiang, Hao Wang, Lingqi Meng, Sergei Bosiakov, Mohammed Rafiq Abdul Kadir   +9 more
doaj   +2 more sources

Intralayer Negative Poisson's Ratio in 2D Black Arsenic by Strain Engineering

Small Structures, 2023
Negative Poisson's ratio as the anomalous characteristic generally exists in artificial architectures, such as re‐entrant and honeycomb structures.
Jingjing Zhang, Weihan Zhang, Leining Zhang, Guoshuai Du, Yunfei Yu, Qinglin Xia, Xu Wu, Yeliang Wang, Wei Ji, Jingsi Qiao, Feng Ding, Yabin Chen   +11 more
doaj   +1 more source

Design and Mechanical Properties of Negative Poisson’s Ratio Structure-Based Topology Optimization

Applied Sciences, 2023
Scholars have shown significant interest in the design and investigation of mechanical metamaterials with a negative Poisson’s ratio as a result of the rapid progress in additive manufacturing technology, giving rise to the concept of metamaterials.
Dongchen Qin, Mengchun Li, Tingting Wang, Jiangyi Chen, Hongxia Wu   +4 more
doaj   +1 more source

Research on the auxetic behavior and mechanical properties of periodically rotating graphene nanostructures

Nanotechnology Reviews, 2022
Negative Poisson’s ratio (auxetic) material is one of the most widely studied metamaterials, and recent attempts have been made to discover auxeticity in graphene-based and related carbon-based materials.
Liang Yingjing, Huang Jietao, Qu Jianxin, Huang Jianzhang, Hui David   +4 more
doaj   +1 more source

Dynamic behavior and damping capacity of auxetic foam pads [PDF]

, 2006
A novel set of auxetic (negative Poisson's ratio) open cell polyurethane foam has been developed and tested under dynamic loading conditions to assess the viscoelastic response under white noise random excitation and compressive cycling.
Bezazi, A, Bullough, WA, Giacomin, J, Scarpa, F   +3 more
core   +1 more source

Tunable negative Poisson's ratio in hydrogenated graphene [PDF]

Nanoscale, 2016
Nanoscale ...
Jiang, Jin-Wu, Chang, Tienchong, Guo, Xingming   +2 more
openaire   +3 more sources

Review of the structural design and mechanical properties of metamaterials with negative Poisson’s ratio [PDF]

Journal of Hebei University of Science and Technology
Metamaterials can break through the performance boundaries of traditional materials through artificial structure design, and show unique advantages in the fields of impact resistance, energy absorption and lightweight.
Boxing HOU, Guojie JIN, Lining YANG, Guang YANG, Cheng SHANG   +4 more
doaj   +1 more source

Study of Mechanical Properties of Three-Dimensional Framed Plate Protective Structures with Negative Poisson’s Ratio

Journal of Marine Science and Engineering, 2023
In this paper, the negative Poisson’s ratio and rigidity of a protective structure are improved to allow the structure to exert a negative Poisson’s ratio effect in multiple directions and to enhance the structural load-carrying capacity. Therefore, a 3D
Weijun Lin, Mengzhen Li, Pu Li, Qianning Li, Wei Chen   +4 more
doaj   +1 more source

Negative Poisson's Ratio Behavior Induced by an Elastic Instability [PDF]

, 2013
Negative Poisson's ratio behavior has been uncovered in cellular solids that comprise a solid matrix with a square array of circular voids. The simplicity of the fabrication implies robust behavior, which is relevant over a range of scales.
Bertoldi, Katia, Mullin, Tom, Reis, Pedro M., Willshaw, Stephen   +3 more
core   +1 more source

The Negative Poisson’s Ratio Ship Base Design and Vibration Isolation Performance Analysis

Applied Sciences, 2021
This paper mainly studies the vibration isolation of negative Poisson’s ratio structure in the honeycomb base of ships. Based on the structure of the negative Poisson’s ratio structure, different laying methods and different cell structure are used to ...
Kun Pan, Jieyu Ding, Wei Zhang, Shengdong Zhao   +3 more
doaj   +1 more source