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Title:
Mechanical Properties of 3D Isotropic Anti-Tetrachiral Metastructure
Author: Xia R; Song XK; lijuan Sun(孙立娟); Wu WW; Li CL; Cheng TB(程天宝); Qian GA(钱贵安)
Issued Date: 2018
Conference Name: 12th International Conference on Optics of Surfaces and Interfaces (OSI)
Conference Date: JUN 25-30, 2017
Conference Place: Trin Coll Dublin, Sch Phys, Dublin, IRELAND
Abstract: Chiral metastructures consisting of ring (polygonal or cubic) nodes and elastic bending ligaments exhibit excellent design flexibility for compliant structures. In this paper, based on rigid cubic node rotation and the kinematic geometrical relations of a three-dimensional (3D) isotropic anti-tetrachiral structure, an analytical expression for the modulus of the 3D isotropic anti-tetrachiral structure is derived from strain energy analysis. The nylon powder Selected Laser Sintering (SLS) additive manufacturing technique is employed for fabricating two types of 3D isotropic anti-tetrachiral specimens with different geometrical parameters; then comparison between experiments, finite element analysis (FEA), and theoretical studies is performed for verifying the analytical formula. The mechanical properties of 3D isotropic anti-tetrachiral structures can be tuned with two independent dimensionless geometrical parameters. The proposed 3D anti-tetrachiral structures can be employed for designing advanced structures against impact damages, realizing flexibility of industrial components, and optimizing the vibration attenuation abilities of engineering structures.
Keyword: 3D anti-tetrachiral ; auxetic ; isotropic ; modulus
Indexed Type: CPCI-S
Sponsorship: This research is supported by the National Natural Science Foundation of China (Grant no. 11702023), and the 2017 Opening fund of State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences.
Related URLs: 查看原文
Source: PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Language: 英语
WOS ID: WOS:000430113000008
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Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/75549
Appears in Collections:非线性力学国家重点实验室_会议论文

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Recommended Citation:
Xia R,Song XK,Sun LJ,et al. Mechanical Properties of 3D Isotropic Anti-Tetrachiral Metastructure[C]. 见:12th International Conference on Optics of Surfaces and Interfaces (OSI). Trin Coll Dublin, Sch Phys, Dublin, IRELAND. JUN 25-30, 2017.10.1002/pssb.201700343
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