NDLI: Circumcolumnar microstructure of Tumblebug cuticle and biomimetic application

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Circumcolumnar microstructure of Tumblebug cuticle and biomimetic application

Content Provider	Semantic Scholar
Author	Chen, B. David Peng, Xiangyi Cai, Chao Fan, Jinghong Wu, Xing
Copyright Year	2006
Abstract	The elegant microstructures of insect cuticle obtained through long-time evolution endow the cuticle with excellent mechanical properties. Scanning electron microscope (SEM) observation shows that the cuticle of Tumblebug (an insect) has a basic characteristic of laminated structure consisting of highly oriented chitin fibers and sclerotized protein matrixes. Compared with manmade advanced composites, it contains more detailed heterogeneous microstructures. The observation also shows that there are many tiny holes in the cuticle and fibers distribute continuously round the holes forming a kind of circumcolumnar layup. With the observed results, a kind of special composite laminate specimen with the circumcolumnar layup is designed and fabricated. Its rupture strength is tested and compared with that of the conventional one with the holes drilled. The comparison shows that the rupture strength of the former is obviously higher than that of the latter. The larger the hole, the larger increase in the rupture strength c ©
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://biomimetic.pbworks.com/f/Circumcolumnar+microstructure+of+Tumblebug+cuticleChen.pdf
Language	English
Access Restriction	Open
Subject Keyword	Biological specimen Biomimetics CDISC SEND Biospecimens Terminology Chitin Composite pattern Cuticle Genetic Heterogeneity Laminate Device Component Large Microscope Device Component Microscopes, Electron, Scanning Steam rupture Tissue fiber electron microscope
Content Type	Text
Resource Type	Article

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