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Volume 3, Issue 3
(October 1981)
ISSN: 0884-6804
The Relation Between Physical Structure and Deformation and Failure Processes of Kevlar 49 Fibers To conserve energy, high-performance fiber composites are increasingly used by the transportation industry as lightweight, strong structural materials. In the past, graphite, glass, or boron fibers were predominantly used in these composites. However, since their introduction ten years ago, poly(p-phenylene terephthalamide) (PPTA) fibers (Kevlar 49, E. I. du Pont) have found increasing use in such composites. The chemical structure of PPTA is illustrated in Fig. 1. The PPTA macromolecule has the physical shape of a rod and an average length of ∼200 nm.
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Paper ID: CTR10733J | ||
