期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 68, 期 -, 页码 110-120出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2014.09.024
关键词
Carbon fibre; Impact behaviour; Damage mechanics; Ply drop-off
资金
- SOGETI HIGH TECH
This paper presents an experimental study of low velocity impact response of carbon/epoxy asymmetrically tapered laminates. The tests are realised at energy between 10 and 30J on two types of layup with multiple terminated plies. The type and localisation of damage are analysed using C-scan and micrographs. Then, the data is compared with the response of corresponding respective plain laminate. The effects of some tapering parameters (taper angle, drop-off disposition and configuration) on the impact damage mechanisms are also investigated. Very similar impact damage phenomena are found between tapered and plain laminates. The presence of material discontinuity due to the resin pocket affects less the damage mechanism than the structural difference between the thick and the thin sections. (C) 2014 Elsevier Ltd. All rights reserved.
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