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Microstructure and mechanical properties of silk from different components of the Antheraea pernyi cocoon

Version 2 2024-06-06, 00:27
Version 1 2015-02-23, 16:01
journal contribution
posted on 2024-06-06, 00:27 authored by S Du, Jingliang LiJingliang Li, J Zhang, X Wang
Silk fibres from different components of the Antheraea pernyi silkworm cocoon, namely peduncle, outer floss, and cocoon shells (outermost layer and pelade layer) were studied in detail to gain insights into the structure-property-function relationship. Among the fibres from different components, peduncle fibres are the softest with the largest viscoelastic lag, which may reduce the oscillation amplitude when a cocoon hangs on a twig. Fibres from the outermost layer are the toughest and have the largest breaking energy. Outer floss fibres have the highest content of sericin (about 11.98%) but their hardness and elasticity are intermediate. Pelade fibres are shape - preservable and stable with superior hardness and elasticity. The understanding of the properties of different silk fibres is essential for understanding their respective roles in the function of a silk cocoon and will also inspire new designs of protective materials under stringent environmental conditions.

History

Journal

Materials and design

Volume

65

Pagination

766-771

Location

Amsterdam, The Netherlands

ISSN

0261-3069

eISSN

1873-4197

Language

eng

Publication classification

C Journal article, C1 Refereed article in a scholarly journal

Copyright notice

2015, Elsevier

Publisher

Elsevier

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