Results 31 to 40 of about 421,473 (291)

Numerical Experiment Research on Failure Characteristics of Anchored Rock With Negative Poisson’s Ratio Bolt

open access: yesFrontiers in Earth Science, 2022
With the continuous increase in the mining depth and engineering burying depth, the nonlinear physical and mechanical phenomena exhibited by rock are more complicated.
Feng Chen   +3 more
doaj   +1 more source

A physical modeling-based study on the control mechanisms of Negative Poisson's ratio anchor cable on the stratified toppling deformation of anti-inclined slopes

open access: yesInternational Journal of Rock Mechanics And Mining Sciences, 2021
With ongoing increases in excavation depth, the large-scale toppling instability failure of stratified anti-inclined slopes is gaining wide attention.
Z. Tao, Chun Zhu, M. He, M. Karakus
semanticscholar   +1 more source

Numerical predictions for the effect of negative Poisson's ratio on thermoelastic properties of triply periodic minimal surface-based composites

open access: yesResults in Materials, 2022
This study investigates the effect of negative Poisson's ratio on thermoelastic properties of triply periodic minimal surfaces (TPMS)-based composites.
Komal Chawla, Raj Kiran
doaj   +1 more source

Rutile-mimic 3D metamaterials with simultaneously negative Poisson's ratio and negative compressibility

open access: yesMaterials & Design, 2021
The origin of negative Poisson's ratio in rutile-type oxides and fluorides is explored through density functional theory (DFT) simulation. The study highlights the dominant role of nearest-neighbor central force interactions, thereby inspiring the design
Y. Yao, Y. Ni, L.H. He
doaj   +1 more source

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

A novel tubular structure with negative Poisson's ratio based on gyroid-type triply periodic minimal surfaces

open access: yesVirtual and Physical Prototyping, 2023
A novel type of tubular structure with negative Poisson's ratio based on gyroid-type triply periodic minimal surfaces (TPMSs) is proposed in this study. This work is an attempt to design auxetic tubular structures based on TPMS.
Weiwei Wang   +4 more
semanticscholar   +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

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

open access: yesSmall Structures, 2023
Negative Poisson's ratio as the anomalous characteristic generally exists in artificial architectures, such as re‐entrant and honeycomb structures.
Jingjing Zhang   +11 more
doaj   +1 more source

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

open access: yesNanotechnology 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   +4 more
doaj   +1 more source

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