Ballistic impact resistance of SMA and spectra hybrid graphite composites

被引：23
作者：
Ellis, RL
Lalande, F [1 ]
Jia, HY
Rogers, CA
机构：
[1] Boeing Co, Long Beach, CA 90846 USA
[2] USN, Ctr Surface Warfare, Dahlgren, VA 22448 USA
[3] Virginia Polytech Inst & State Univ, Ctr Intelligent Mat Syst & Struct, Blacksburg, VA 24061 USA
[4] Univ S Carolina, Columbia, SC 29208 USA
来源：
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES | 1998年 / 17卷 / 02期
关键词：
ballistic impact; hybrid composites; SMA; Spectra (TM);
D O I：
10.1177/073168449801700205
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The effect of adding small amounts of high strain hybrid components on the impact resistance of graphite epoxy composites subjected to projectiles traveling at ballistic velocities (greater than 900 ft/sec) has been studied. The hybrid components tested include superelastic shape memory alloy (SMA) and a high performance extended chain polyethylene (ECPE) known as Spectra(TM). In all cases, the embedded SMA fibers were pulled through the graphite without straining to their full potential. It is believed that this is due to high strain rate effects coupled with a strain mismatch between the tough SMA and the brittle epoxy resin. However, a significant increase in energy absorption was found by adding ECPE and ECPE/SMA layers to the backface of the composite.
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收藏
页码：147 / 164
页数：18
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