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Numerical modeling of the dynamic tensile behavior of irregular fibers

He, Wendy W. and Wang, Xungai 2004, Numerical modeling of the dynamic tensile behavior of irregular fibers, Journal of applied polymer science, vol. 91, no. 5, pp. 2855-2861.

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Title Numerical modeling of the dynamic tensile behavior of irregular fibers
Author(s) He, Wendy W.
Wang, Xungai
Journal name Journal of applied polymer science
Volume number 91
Issue number 5
Start page 2855
End page 2861
Publisher Wiley
Place of publication Thousand Oaks, Calif.
Publication date 2004
ISSN 0021-8995
Keyword(s) fibre
irregularity
dynamic
stress
strain
fibre science
Summary Most fibers are irregular, and they are often subjected to rapid straining during mechanical processing and end-use applications. In this paper, the effect of fiber dimensional irregularities on the dynamic tensile behavior of irregular fibers is examined, using the finite element method (FEM). Fiber dimensional irregularities are simulated with sine waves of different magnitude (10%, 30% and 50% level of diameter variation). The tensile behavior of irregular fibers is examined at different strain rates (333%/sec, 3,333%/sec and 30,000%/sec). The breaking load and breaking extension of irregular fibers at different strain rates are then calculated from the finite element model. The results indicate that strain rate has a significant effect on the dynamic tensile behavior of an irregular fiber, and that the position of the thinnest segment along the fiber affects the simulation results markedly. Under dynamic conditions, an irregular fiber does not necessarily break at the thinnest segment, which is different from the quasi-static results.
Notes Published in Journal of applied polymer science, vol 91, no 5, 2004 at www.interscience.wiley.com
Language eng
Field of Research 091012 Textile Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004 Wiley Periodicals, Inc.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002555

Document type: Journal Article
Collections: School of Engineering and Technology
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