High strain rate in-plane shear behavior of composites

被引：27
|
作者：
Gowtham, H. L. [1 ]
Pothnis, Jayaram R. [1 ]
Ravikumar, G. [1 ]
Naik, N. K. [1 ]
机构：
[1] Indian Inst Technol, Dept Aerosp Engn, Bombay 400076, Maharashtra, India
来源：
POLYMER TESTING | 2013年 / 32卷 / 08期
关键词：
In-plane shear properties; High strain rate; Split Hopkinson pressure bar; Off-axis testing; Compression; Tension; AXIS TENSION TEST; UNIDIRECTIONAL COMPOSITES; MECHANICAL-PROPERTIES; FABRIC COMPOSITES; IOSIPESCU TEST; STRENGTH;
D O I：
10.1016/j.polymertesting.2013.08.008
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Studies are presented on in-plane shear properties of a typical plain weave E-glass/epoxy composite under high strain rate loading. In-plane shear properties were determined with +/- 45 degree off-axis compression and tension tests using a split Hopkinson pressure bar apparatus. In-plane shear properties are presented as a function of axial and shear strain rates. The range of axial strain rates for off-axis compression tests was 819-2003 per sec, and for off-axis tension tests was 91-180 per sec, whereas the range of shear strain rates for off-axis compression tests was 1388-3442 per sec and for off-axis tension tests was 153-303 per sec. In general, it was observed that in-plane shear strength was enhanced at high strain rate loading compared to that at quasi-static loading. Also, it was observed that in-plane shear strength increased with increasing strain rate within the range of strain rates considered. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1334 / 1341
页数：8
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