COMPRESSION STRENGTH REDUCTIONS IN COMPOSITE LAMINATES DUE TO MULTIPLE-LAYER WAVINESS

被引：47
作者：
ADAMS, D
BELL, SJ
机构：
[1] Department of Aerospace Engineering and Engineering Mechanics, Iowa State University, Ames
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 1995年 / 53卷 / 02期
关键词：
COMPRESSION STRENGTH; COMPOSITE LAMINATES; MULTIPLE-LAYER WAVINESS;
D O I：
10.1016/0266-3538(95)00020-8
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The effects of multiple-layer regions of waviness on static compression strength were investigated. A single-step fabrication method was developed for fabricating multiple-nested wavy 0 degrees layers into otherwise wave-free thermoset crossply laminates. Laminates were fabricated with varying percentages of 0 degrees layers containing layer waviness, but all with a constant layer wave severity. Testing was performed to determine the effects of multiple-layer wave regions on compression strength. When no greater than 33% of the 0 degrees layers contained waviness, the percentage reduction in compression strength was approximately equal to the percentage of wavy 0 degrees layers. However, a constant strength reduction of approximately 35% was observed when more than 33% of the 0 degrees layers contained waviness. These results suggest that under limited conditions, compression strength reductions due to layer waviness may be estimated by the percentage of 0 degrees layers containing layer waviness.
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页码：207 / 212
页数：6
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