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

Du, Shan, Li, Jingliang, Zhang, Jin and Wang, Xungai 2015, Microstructure and mechanical properties of silk from different components of the Antheraea pernyi cocoon, Materials and design, vol. 65, pp. 766-771, doi: 10.1016/j.matdes.2014.09.066.

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Title Microstructure and mechanical properties of silk from different components of the Antheraea pernyi cocoon
Author(s) Du, Shan
Li, JingliangORCID iD for Li, Jingliang orcid.org/0000-0003-0709-2246
Zhang, JinORCID iD for Zhang, Jin orcid.org/0000-0002-4257-8148
Wang, XungaiORCID iD for Wang, Xungai orcid.org/0000-0002-3549-6769
Journal name Materials and design
Volume number 65
Start page 766
End page 771
Total pages 6
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-01
ISSN 0261-3069
1873-4197
Keyword(s) Mechanical properties
Outer floss
Peduncle
Silk fibres
Wild silk cocoon
Science & Technology
Technology
Materials Science, Multidisciplinary
Materials Science
CHINESE OAK SILKWORM
THERMAL-CONDUCTIVITY
ELASTIC-MODULUS
NANOINDENTATION
COMPOSITES
BIOMATERIALS
HARDNESS
FIBROIN
SERICIN
Summary 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.
Language eng
DOI 10.1016/j.matdes.2014.09.066
Field of Research 091202 Composite and Hybrid Materials
Socio Economic Objective 860403 Natural Fibres
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID DP120100139
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30069944

Document type: Journal Article
Collections: Institute for Frontier Materials
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