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Journal of Reinforced Plastics and Composites
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Hypervelocity Planar Plate Impact Experiments of Aramid Fiber-reinforced Plastics

Tomotaka Homae

1st Research Center, Technical Research and Development Institute Japan Defense Agency, 2-2-1 Nakameguro, Meguro Tokyo, 153-8630, Japan; Research Center for Explosion Safety, Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8565, Japan to-homae{at}aist.go.jp

Toshihiko Shimizu

Koushirou Fukasawa

Osami Masamura

1st Research Center, Technical Research and Development Institute Japan Defense Agency, 2-2-1 Nakameguro, Meguro Tokyo, 153-8630, Japan

Planar plate impact experiments of aramid fiber-reinforced plastics (AFRPs) have been carried out to determine its average shock Hugoniot and to examine response to shock compression using polyvinylidene difluoride (PVDF) stress gauges. The determined shock Hugoniot is Us 1/4 2.42up + 1.18, where Us is the shock velocity and up is the particle velocity. The output waveforms of the stress gauges reveal that the shock impedance of an aramid-fabric ply is lower than that of resin matrix and once the shock wave passes through, the aramid-fabric ply and the resin matrix have almost equal shock impedance.

Key Words: aramid fiber-reinforced plastics • Kevlar • PVDF stress gauges • Hugoniot • planar plate impact experiments

Journal of Reinforced Plastics and Composites, Vol. 25, No. 11, 1215-1221 (2006)
DOI: 10.1177/0731684406066370
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