Compressive strength of composite laminates following free edge impact
Reference:
Rhead, A. T., Marchant, D. and Butler, R., 2010. Compressive strength of composite laminates following free edge impact. Composites Part A Applied Science and Manufacturing, 41 (9), pp. 1056-1065.
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Official URL:
http://dx.doi.org/10.1016/j.compositesa.2009.10.024
Abstract
Barely Visible Impact Damage (BVID) can occur when laminated composite material is subject to free edge Impact loads in the plane of the laminate and can result in a significant reduction in compressive strength caused by buckle-driven delamination. This paper will report on a semi-analytical fracture mechanics model that predicts the Compression After Impact (CAI) strength of composite laminates subject to in-plane free edge Impact. Compression testing has been undertaken on three impacted coupons in order to validate the theoretical results. Analytical results are shown to be on average within 10% of experimental values for the strain at which propagation of damage occurs.
Details
| Item Type | Articles |
| Creators | Rhead, A. T., Marchant, D. and Butler, R. |
| DOI | 10.1016/j.compositesa.2009.10.024 |
| Uncontrolled Keywords | free edge impact, laminates, damage tolerance, analytical modelling |
| Departments | Faculty of Engineering & Design > Mechanical Engineering |
| Research Centres | Aerospace Engineering Research Centre |
| Refereed | Yes |
| Status | Published |
| ID Code | 20590 |
| Additional Information | 10th International Conference on Deformation and Fracture of Composites (DFC-10). 15-17 April 2009. Sheffield, England. |
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