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Microstructure and nanomechanical properties of foreleg surface of the prayingmantis(Mantis religiosa Linnaeus)

查看全文 作　　者：Hongliang [1,2,3]Sun;Zhang [3]Haohan;Mo [4]Li 高影响力作者 机构地区：[1]School of Mechanical Engineering,Xi'an JiaoTong University,Xi'an 710049,People's Republic of China;[2]State Key Laboratory for Manufacturing Systems Engineering,Xi'an JiaoTong University,Xian 710049,People's Republic of China;[3]school of Mechanical and Electronic Engineering,Yunnan Open Universty,Kunming 650223,People's Republic of China;[4]Key Laboratory of Bionic Engineering(Ministry of Education,China),Jilin University,Changchun 130012,People's Republic of China高影响力机构 出　　处：《Biosurface and Biotribology》索引2018年第4卷第4期,共5页高影响力期刊 基　　金：Zhao Yulong for the advice on this research,and Professor Jiang Zhonghao for the usage of the Nanoindenter,and this research was supported by the National Natural Science Foundation of China(grant no.51505184);Open Foundation of State Key Laboratory for Manufacturing Systems Engineering,Xi'an JiaoTong University(grant no.sklms2018007). 摘　　要：Detailed investigations on the microstructure and mechanical properties of the surface of the praying mantis'foreleg were carried out in this work since the microstructure and mechanical properties of insect organisms surfaceare well adjusted to their functions.Scanning electron microscopy revealed the surface microstructures of the tibia andfemur were composed of squamous fibre and the spine surfaces on these two parts are arris.A nanoindenter wasused to investigate the mechanical properties of the praying mantis's foreleg,including the mean Young's modulusand hardness of the femur cuticle,tibia cuticle and the apical claw.The test results on these parts were E=5.533 GPa,H=0.239 GPa,E=3.471GPa,H=0.186 GPa,E=2.232GPa,H=0.449 GPa,respectively.The variation of mechanicalproperties agreed with the analysis of microstructure. 关 键 词：MICROSTRUCTURE MICROSTRUCTURE MICROSTRUCTURE
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