Microstructures of the Fiber-Round Hole of the Chafer Cuticle

Xin Yan Wu; Fu Ling Guan; Bin Chen; You Wei Wang

doi:10.4028/www.scientific.net/AMR.79-82.199

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 79-82Microstructures of the Fiber-Round Hole of the...

Microstructures of the Fiber-Round Hole of the Chafer Cuticle

Abstract:

In this paper, microstructure and mechanical properties of the chafer cuticle were investigated. The microstructures of the chafer cuticle were first observed with a SEM. It showed that the cuticle is a kind of chitin-fiber-reinforced biocomposite with protein matrix. There are some holes existing in the chafer cuticle and the fibers around hole are continuous. Based on the observed results of the SEM, the analyses of 3D models on the simple composite elements with fiber-round hole were conducted. The result showed the microstructures of composite laminates with fiber-round holes can decrease the stress concentration and well transfer the stress. So it can improve the strength and toughness of the composite laminates included holes. These conclusions may present a bio-inspired approach for design and development of advanced man-made fiber-reinforced composites.

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Periodical:

Advanced Materials Research (Volumes 79-82)

Pages:

199-202

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.79-82.199

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Online since:

August 2009

Authors:

Xin Yan Wu, Fu Ling Guan, Bin Chen, You Wei Wang

Keywords:

Chitin, Composite, Finite Element Analysis (FEA), Scanning Electron Microscope (SEM)

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