CUED Publications database

Residual strength of GRP laminates with multiple randomly distributed fragment impacts

Kazemahvazi, S and Nilsson, M and Zenkert, D (2014) Residual strength of GRP laminates with multiple randomly distributed fragment impacts. Composites Part A: Applied Science and Manufacturing, 60. pp. 66-74. ISSN 1359-835X

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Abstract

The residual tensile strength of glass fibre reinforced composites with randomly distributed holes and fragment impact damages have been investigated. Experiments have been performed on large scale panels and small scale specimens. A finite element model has been developed to predict the strength of multi-axial panels with randomly distributed holes. Further, an effective analytical model has been developed using percolation theory. The model gives an estimation of the residual strength as function of removed surface area caused by the holes. It is found that if 8% of the area is removed, the residual strength is approximately 50% of the un-damaged strength. © 2014 Published by Elsevier Ltd.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div C > Applied Mechanics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:12
Last Modified: 27 Jul 2017 05:23
DOI: