IMECH-IR  > 非线性力学国家重点实验室
Mechanical Properties of 3D Isotropic Anti-Tetrachiral Metastructure
Xia R; Song XK; Sun LJ.; Wu WW; Li CL.; Cheng TB(程天宝); Qian GA(钱贵安)
Conference Name12th International Conference on Optics of Surfaces and Interfaces (OSI)
Conference DateJUN 25-30, 2017
Conference PlaceTrin Coll Dublin, Sch Phys, Dublin, IRELAND

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.

Keyword3d Anti-tetrachiral Auxetic Isotropic Modulus
WOS IDWOS:000430113000008
Funding OrganizationThis 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.
Indexed ByCPCI-S
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Recommended Citation
GB/T 7714
Xia R,Song XK,Sun LJ.,et al. Mechanical Properties of 3D Isotropic Anti-Tetrachiral Metastructure[C]PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS,2018.
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