Multiscale Microstructure of Chafer Cuticle

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The observation of scanning electron microscope (SEM) shows chafer cuticle is a kind of biocomposite which possesses multiscale microstructural characteristic. Under a relative small magnification of the SEM, it is found that the cuticle consists of chitin-fiber layers and protein matrix and that the fibers in two adjacent fiber layers have different directions, which composes a kind of fiber-crossed microstructure. Under a relative large magnification, it is observed that the many chitin fibers in the crossed fiber layers are furcated fibers, which exhibits a kind of fiber-furcated microstructure. The maximum pullout force of the fiber-furcated microstructure is investigated and compared with that of the fiber-non-furcated microstructure through their representational models. It shows that the maximum pull out force of the fiber-furcated structure is distinctly larger than that of the fiber-non-furcated structure.

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Periodical:

Edited by:

Enhou Han, Guanghong Lu and Xiaolin Shu

Pages:

144-148

DOI:

10.4028/www.scientific.net/MSF.689.144

Citation:

B. Chen et al., "Multiscale Microstructure of Chafer Cuticle", Materials Science Forum, Vol. 689, pp. 144-148, 2011

Online since:

June 2011

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$38.00

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