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Experimental study on the microstructure and nanomechanical properties of the wing membrane of dragonfly

Experimental study on the microstructure and nanomechanical properties of the wing membrane of... Abstract Detailed investigations on the microstructure and the mechanical properties of the wing membrane of the dragonfly are carried out. It is found that in the direction of the thickness the membrane was divided into three layers rather than a single entity as traditionally considered, and on the surfaces the membrane displays a random distribution rough microstructure that is composed of numerous nanometer scale columns coated by the cuticle wax secreted. The characteristics of the surface structure are measured and described. The mechanical properties of the membranes taken separately from the wings of live and dead dragonflies are investigated by the nanoindentation technique. The Young’s moduli obtained here are approximately two times greater than the previous result, and the reasons that yield the difference are discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Acta Mechanica Sinica" Springer Journals

Experimental study on the microstructure and nanomechanical properties of the wing membrane of dragonfly

Xiao, Kewei; Bai, Ke; Wang, Wensheng; Song, Fan
"Acta Mechanica Sinica" , Volume 23 (3): 5 – Jun 1, 2007
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References (20)

Publisher
Springer Journals
Copyright
2007 Springer-Verlag
ISSN
0567-7718
eISSN
1614-3116
DOI
10.1007/s10409-007-0070-9
Publisher site
See Article on Publisher Site

Abstract

Abstract Detailed investigations on the microstructure and the mechanical properties of the wing membrane of the dragonfly are carried out. It is found that in the direction of the thickness the membrane was divided into three layers rather than a single entity as traditionally considered, and on the surfaces the membrane displays a random distribution rough microstructure that is composed of numerous nanometer scale columns coated by the cuticle wax secreted. The characteristics of the surface structure are measured and described. The mechanical properties of the membranes taken separately from the wings of live and dead dragonflies are investigated by the nanoindentation technique. The Young’s moduli obtained here are approximately two times greater than the previous result, and the reasons that yield the difference are discussed.

Journal

"Acta Mechanica Sinica" – Springer Journals

Published: Jun 1, 2007

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