AN ASSESSMENT OF THE RESIDUAL STRENGTH OF AN IMPACT-DAMAGED CARBON-FIBER REINFORCED EPOXY

被引：12
|
作者：
CANTWELL, WJ
MORTON, J
机构：
[1] Department of Aeronautics, Imperial College of Science and Technology, London
来源：
COMPOSITE STRUCTURES | 1990年 / 14卷 / 04期
关键词：
D O I：
10.1016/0263-8223(90)90012-4
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Fracture mechanics principles have been applied to a carbon fibre reinforced epoxy to assess its post-impact load-bearing capability in tension. Low-velocity impact loading has been shown to generate large zones of fibre fracture. By modelling this region of fibre damage as a sharp crack with equivalent transverse dimensions, the residual strength of a number of damaged carbon fibre reinforced plastic laminates has been analysed. This technique has then been extended to yield a lower bound in the residual strength versus impact energy curves. The applicability of the technique has been further assessed by applying it to data generated from high-velocity impact tests. © 1990.
引用
收藏
页码：303 / 317
页数：15
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