High-strain-rate behavior of several types of epoxy-based composites

被引：4
|
作者：
Silvestrov, VV
Plastinin, AV
机构：
[1] Lavrentyev Inst. of Hydrodynamics, Novosibirsk 630090
来源：
JOURNAL DE PHYSIQUE IV | 1997年 / 7卷 / C3期
关键词：
D O I：
10.1051/jp4:1997379
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The mechanical behavior of several types of epoxy-matrix composites with uni-and two-directional reinforcement and one quasi-isotropic sintactic foam plastic with embedded hollow glass microspheres, subjected to dynamic loading at strain rates up to 100-1000 1/s, is studied. For fiber reinforced composites, the ultimate strength and strain increase up to 2-2.5 times relative static values while the elastic modulus along the filaments is independent of the strain rate. For a foam plastic, not only its compression strength and modulus of elasticity increase as the strain-rate increases but its fracture and the stress-strain behavior change too.
引用
收藏
页码：459 / 464
页数：6
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