Results 21 to 30 of about 6,234,302 (234)

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

Applied 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, Fulun Dai, Jing Shen, Aiqiu Wang, Xiongzhi Jiang, Yangbo Li   +5 more
doaj   +1 more source

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

, 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, Pugno, Nicola M., Y. Sun, Nicola Pugno, Sun, Yongtao, Sun, Y, Pugno, N, Pugno, Nicola   +7 more
core   +1 more source

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

Metals, 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, Alexey Orlov, Evgenii Borisov, Arseniy Repnin, Stepan Kuzin, Nikita Golubkov, Anatoly Popovich   +6 more
doaj   +1 more source

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

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

Multiferroicity and giant in-plane negative Poisson’s ratio in wurtzite monolayers

npj Computational Materials, 2022
Monolayers of layered materials, such as graphite and molybdenum dichalcogenides, have been the focus of materials science in the last decades. Here, we reveal benign stability and intriguing physical properties in the thinnest monolayer wurtzite (wz ...
Zhuang Ma, Pu Huang, Jin Li, Peng Zhang, Jiaxin Zheng, Wen Xiong, Fei Wang, Xiuwen Zhang   +7 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

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

The Vibration Isolation Design of a Re-Entrant Negative Poisson’s Ratio Metamaterial

Applied Sciences, 2023
An improved re-entrant negative Poisson’s ratio metamaterial based on a combination of 3D printing and machining is proposed. The improved metamaterial exhibits a superior load-carrying and vibration isolation capacity compared to its traditional ...
Xu Gao, Jiyuan Wei, Jiajing Huo, Zhishuai Wan, Ying Li   +4 more
doaj   +1 more source

Static characteristics and engineering applications of micro negative Poisson’s ratio bolt

Rock and Soil Mechanics, 2022
Compared with traditional small deformation bolt materials, the negative Poisson’s ratio (NPR) bolt/cable material has excellent mechanical properties such as large elongation, high strength, high toughness, high constant resistance, and energy ...
TAO Zhi-gang, GUO Ai-peng, HE Man-chao, ZHANG Jin, XIA Min, WANG Ding, LI Meng-nan, ZHU Zhen   +7 more
doaj   +1 more source