期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 36, 期 6, 页码 798-805出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2004.10.024
关键词
laminates; delamination; microstructure; micro-mechanics
Composite laminates are commonly tapered by terminating internal prepreg plies, creating geometrical defects which can induce failure. In this study, experiments have been conducted on tapered laminates loaded in axial compression. Failures by microbuckling or delamination were observed to nucleate near the dropped plies. The results indicate that existing models of microbuckling give adequate predictions of strength in specimens with mild geometric defects, while a new model given here for delamination provides satisfactory predictions of strength for more severe defects. (c) 2004 Elsevier Ltd. All rights reserved.
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