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Study on the Tensile Testing Method of p-Phenylene Terephthalamid (PPTA) Fibers for Ballistic Protection
Abstract:
The purpose of this work is to study the effect of testing method on the tensile properties index of p-Phenylene terephthalamid (PPTA) fibers. Three different brand fibers were employed, namely Kevlar 129, Twaron and Heracon. The results indicate that tensile strength index is strongly affected by gauge and twist coefficient, while the influence of loading rate is minor. The ballistic performance is also evaluated according to a proposed ballistic performance index U*. The results indicated that ballistic performance is strongly affected by twist coefficient
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989-992
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November 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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