Mechanical properties of a novel, lightweight structure inspired by beetle’s elytra
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- 作者：Ce Guo (1)
Dong Li (1)
Zhenyu Lu (1)
Chunsheng Zhu (1)
Zhendong Dai (1) - 关键词：Bio ; inspired structure ; Beetle elytra ; Lightweight structure ; Finite element method ; Carbon fibre prepreg
- 刊名：Chinese Science Bulletin
- 出版年：2014
- 出版时间：September 2014
- 年：2014
- 卷：59
- 期：26
- 页码：3341-3347
- 全文大小：4,065 KB
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Dong Li (1)
Zhenyu Lu (1)
Chunsheng Zhu (1)
Zhendong Dai (1)
1. Institute of Bio-inspired Structure and Surface Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China - ISSN：1861-9541
文摘
A new kind of bio-inspired, lightweight structure was designed and built from carbon fibre prepreg based on the cross-sectional microstructure of a beetle’s elytra. The compression strength and failure process of the resulting structure was analysed using the finite element method; while at the same time, a quasi-static compression experiment was performed using an electronic universal testing machine to verify the effectiveness and accuracy of this finite element method. This bio-inspired structure was compared against a conventional honeycomb structure using FEM, revealing that for a given porosity and load parallel to the axis of the core tubes the respective compressive and specific compressive strengths of the bio-inspired structure are much higher at 84.3?MPa and 194.7?MPa/(g?cm?); thus demonstrating that this bio-inspired structure has superior compressive capability.