A novel tetrachiral and antitetrachiral hybrid metastructure is proposed, and its in-plane mechanical properties are studied through strain energy analysis. Based on rigid ring rotation assumption, the analytical expression for the in-plane modulus of anisotropic tetrachiral and antitetrachiral hybrid metastructure is derived, and in-plane tensile experimental test and finite element simulation are performed and compared with the theoretical models. The corresponding in-plane anisotropic mechanical properties can be tuned with three independent dimensionless geometrical parameters, and effects of dimensionless geometrical parameters on the in-plane mechanical properties are studied systematically. Finally, an innovative tetrachiral and antitetrachiral hybrid metastructure stent is designed, and its mechanical behaviors under uniaxial tensile loading are investigated. It is found that the designed tetrachiral and antitetrachiral hybrid stent shows negative Poisson ratio properties, and the axial and circumferential deformation can be controlled through adjusting the spacing of unit cell along axial and circumferential directions.
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August 2017
Research-Article
In Plane Mechanical Properties of Tetrachiral and Antitetrachiral Hybrid Metastructures
Huimin Li,
Huimin Li
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Key Laboratory of Lightweight
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
Search for other works by this author on:
Yongbin Ma,
Yongbin Ma
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Key Laboratory of Lightweight
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
Search for other works by this author on:
Weibin Wen,
Weibin Wen
State Key Laboratory for Turbulence and
Complex Systems,
College of Engineering,
Peking University,
Beijing 100871, China
Complex Systems,
College of Engineering,
Peking University,
Beijing 100871, China
Search for other works by this author on:
Wenwang Wu,
Wenwang Wu
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Key Laboratory of Lightweight
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
e-mail: wuwenwang@bit.edu.cn
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
e-mail: wuwenwang@bit.edu.cn
Search for other works by this author on:
Hongshuai Lei,
Hongshuai Lei
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Key Laboratory of Lightweight
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
e-mail: lei123shuai@126.com
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
e-mail: lei123shuai@126.com
Search for other works by this author on:
Daining Fang
Daining Fang
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China
Beijing Institute of Technology,
Beijing 100081, China
Search for other works by this author on:
Huimin Li
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Key Laboratory of Lightweight
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
Yongbin Ma
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Key Laboratory of Lightweight
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
Weibin Wen
State Key Laboratory for Turbulence and
Complex Systems,
College of Engineering,
Peking University,
Beijing 100871, China
Complex Systems,
College of Engineering,
Peking University,
Beijing 100871, China
Wenwang Wu
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Key Laboratory of Lightweight
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
e-mail: wuwenwang@bit.edu.cn
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
e-mail: wuwenwang@bit.edu.cn
Hongshuai Lei
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Institute of Technology,
Beijing 100081, China;
Beijing Key Laboratory of Lightweight
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
e-mail: lei123shuai@126.com
Multi-functional Composite
Materials and Structures,
Beijing 100081, China
e-mail: lei123shuai@126.com
Daining Fang
Institute of Advanced Structure Technology,
Beijing Institute of Technology,
Beijing 100081, China
Beijing Institute of Technology,
Beijing 100081, China
Contributed by the Applied Mechanics Division of ASME for publication in the JOURNAL OF APPLIED MECHANICS. Manuscript received March 31, 2017; final manuscript received May 25, 2017; published online June 15, 2017. Editor: Yonggang Huang.
J. Appl. Mech. Aug 2017, 84(8): 081006 (12 pages)
Published Online: June 15, 2017
Article history
Received:
March 31, 2017
Revised:
May 25, 2017
Citation
Li, H., Ma, Y., Wen, W., Wu, W., Lei, H., and Fang, D. (June 15, 2017). "In Plane Mechanical Properties of Tetrachiral and Antitetrachiral Hybrid Metastructures." ASME. J. Appl. Mech. August 2017; 84(8): 081006. https://doi.org/10.1115/1.4036937
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