An improved 2D arc-star-shaped structure with negative Poisson's ratio: In-plane analysis

被引：8
|
作者：
Sindelic, Vladimir [1 ]
Nikolic, Aleksandar [1 ]
Minak, Giangiacomo [2 ]
Bogojevic, Nebojsa [1 ]
Kostic, Snezana Ciric [1 ]
机构：
[1] Univ Kragujevac, Fac Mech & Civil Engn Kraljevo, Kraljevo, Serbia
[2] Univ Bologna, Dept Ind Engn DIN, Alma Mater Studiorum, Bologna, Italy
来源：
MATERIALS TODAY COMMUNICATIONS | 2023年 / 37卷
关键词：
Arc-star-shaped structure; Negative Poisson's ratio; Auxetic; Metamaterials; Selective laser sintering; Optical measurement technique; HONEYCOMB;
D O I：
10.1016/j.mtcomm.2023.107593
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper proposes an improved 2D arc-star-shaped structure with a negative Poisson's ratio, whereas the analytical and finite element analyses were performed. Furthermore, the model of the improved 2D arc-star-shaped structure was produced by using selective laser sintering additive technology and scanned after that by using the optical measurement technique on the ATOS COMPACT SCAN 5 M scanner to obtain experimental measurements. It has been observed that for the same geometric parameters, a higher value of the negative Poisson's ratio is obtained compared to the initial 2D arc-star structure with the most often lower value of relative density, which directly leads to lower consumption of the material.
引用
收藏
页数：12
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