Title: PLASTIC DEFORMATION OF FIBROUS POLYMERS VIA WEIBULL MODEL
Page Range: p.473-482
Author(s): Juhar G; Saqan S; Zihlif A M
File size: 105K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 9
Issue No: No. 7
Abstract
A study is presented of the plastic deformation of Kevlar fibres, PAN-based carbon fibres and PP fibres of different gauge lengths. An attempt is reported to fit the Weibull model to the deformation behaviour of these fibrous polymers. A statistical analysis for the fibre strength and breaking strain is presented to test the experimental data relating to the fibre deformation. Mechanical parameters such as fibre strength, breaking strain and Young’s modulus are studied as a function of gauge length. The output of the analysis is claimed to support the concept that the Weibull model is a good technique to specify the statistical distribution for strength and breaking strain of fibres, and is suitable to investigate the mechanical behaviour of fibrous polymeric materials in general. 16 refs.
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