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Strip twisted electrospun nanofiber yarns: Structural effects on tensile properties

Zhou, Yaqiong, Fang, Jian, Wang, Xungai and Lin, Tong 2012, Strip twisted electrospun nanofiber yarns: Structural effects on tensile properties, Journal of Materials Research, vol. 27, no. 3, pp. 537-544.

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Title Strip twisted electrospun nanofiber yarns: Structural effects on tensile properties
Author(s) Zhou, Yaqiong
Fang, Jian
Wang, Xungai
Lin, Tong
Journal name Journal of Materials Research
Volume number 27
Issue number 3
Start page 537
End page 544
Total pages 8
Publisher Cambridge University Press
Place of publication New York, United States
Publication date 2012
ISSN 0884-2914
2044-5326
Keyword(s) Nanoscale
Fiber
Strength
Summary Nanofiber yarns with controlled twist levels were prepared by twisting a narrow fibrous strip cut directly from electrospun nanofiber mats. The effects of fiber morphology, diameter and orientation, as well as the yarn twist level on the yarn tensile properties were examined. For the yarns made from randomly oriented fine uniform nanofibers (e.g., diameter 359 nm) and beaded nanofibers, the tensile strength increased with increasing the yarn twist level. Higher fiber diameter (e.g., 634 nm) led to the tensile strength having an initial increase and then decrease trend. The modulus increased with the twist level for all the yarns studied. However, the elongation at break increased initially with the twist level and subsequently decreased. The orientation of aligned fibers within the fiber strip greatly influenced the yarn tensile properties. When the fibers were oriented along the fiber length direction, both tensile strength and modulus were the largest.
Language eng
Field of Research 091205 Functional Materials
091209 Polymers and Plastics
Socio Economic Objective 860406 Synthetic Fibres, Yarns and Fabrics
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, Cambridge University Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30047021

Document type: Journal Article
Collections: Institute for Frontier Materials
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.