The tensile and fatigue behaviour of Kevlar-49 (PRD-49) fibre

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 1975 English Publisher:Springer Science and Business Media LLCJournal:Journal of Materials Science, volume 10, pages 1,300-1,308 (issn: 0022-2461, eissn: 1573-4803,

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Authors: A. R. Bunsell;

doi: 10.1007/bf00540819

The tensile and fatigue behaviour of Kevlar-49 (PRD-49) fibre

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Abstract

The tensile, creep and tension-tension fatigue properties of Kevlar-49 fibre (formerly known as PRD-49) have been determined. The fracture morphology of the fibre has been examined and is shown to be complex due to considerable splitting. The fibre quickly stabilizes under a steady load but failure due to creep can occur when it is loaded very near to its simple tensile breaking load. Kevlar-49 has been found to fail by fatigue, and its fatigue lifetime is dependent on the amplitude of the applied oscillatory load as well as the maximum load to which the fibre is cycled.

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University of Sussex
United Kingdom

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