FATIGUE DAMAGE PERIODS IN COMPOSITE LAMINATES

被引：0
|
作者：
TURCIC, B
机构：
[1] National Research Institute for Materials, Prague
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1990年 / 130卷 / 01期
关键词：
D O I：
10.1016/0921-5093(90)90076-F
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Tensile fatigue tests with notched coupons of carbon-epoxy (T300-914) composite laminate with the stacking sequence (0 ± 45/90)2s have been conducted to study the changes in the fatigue response during cyclic loading. The tests reveal that there are three periods of fatigue damage in composite laminates. Period II shows a linear dependence of the response parameter (or the characteristic material property values) on the number of loading cycles. The period limits seem to be mutually dependent. Each dependence shows a small data scatter and it can be approximated by a simple power curve in shifted logarithmic coordinates. © 1990.
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页码：17 / 20
页数：4
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