A Simple Methodology to Generate Metamaterials and Structures with Negative Poisson's Ratio,Physica Status Solidi (B) - Basic Solid State Physics

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A Simple Methodology to Generate Metamaterials and Structures with Negative Poisson's Ratio
Physica Status Solidi (B) - Basic Solid State Physics ( IF 1.5 ) Pub Date : 2020-09-03 , DOI: 10.1002/pssb.202000439
Xiang Yu Zhang ₁ , Xin Ren ₁

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Buckling is one type of unstable structural response which has been known for centuries. Although buckling is generally regarded as a type of undesirable phenomenon, many investigations reported that it can be utilized to generate buckling‐induced metamaterials and structures with negative Poisson's ratio. Recent studies demonstrate that buckling‐induced auxetic behavior will disappear when the base material is changed from elastomer to metal. A pattern scale factor (PSF) method to recover auxeticity of metallic metamaterials and structures was mentioned in previous studies, but the method has not been specifically introduced. Herein, a more detailed introduction of the PSF method is made and some successful case studies are presented.

中文翻译：

生成具有负泊松比的超材料和结构的简单方法

屈曲是一种不稳定的结构响应，已经有数百年的历史了。尽管屈曲通常被认为是一种不良现象，但许多研究报告称屈曲可用于产生屈曲为负泊松比的屈曲诱发的超材料和结构。最近的研究表明，当基础材料从弹性体变为金属时，屈曲引起的拉力行为将消失。在先前的研究中提到了一种用于恢复金属超材料和结构的膨胀性的图案比例因子（PSF）方法，但该方法尚未专门介绍。本文对PSF方法进行了更详细的介绍，并介绍了一些成功的案例研究。

更新日期：2020-10-11

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