SINGLE AND MULTIPLE IMPACT BEHAVIOR OF A CFRP LAMINATE

被引：50

作者：

FOUND, MS

HOWARD, IC

机构：

[1] Department of Mechanical and Process Engineering, University of Sheffield, Sheffield, S1 4DU

来源：

COMPOSITE STRUCTURES | 1995年 / 32卷 / 1-4期

关键词：

D O I：

10.1016/0263-8223(95)00024-0

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Single and repeated impact tests have been conducted on a thin (0, 45, 0) CFRP laminate using an instrumented dropweight impact rig. For single impacts the data suggest that the initiation of failure is governed by the impact force rather than the impact energy and a limiting maximum force of 570 N was observed for our circularly clamped plates. Changes in the rate of increase in impact force could be related to change in damage with increasing impact energy. Damage caused by repeated impacts at energies of 0.54 and 0.73 J did not produce changes in the peak impact force. However a second impact at 0.93 J produced a significant reduction in the peak force and an increase in impact duration.

引用

页码：159 / 163

页数：5

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