Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/60498
Title: Stress and failure analysis of woven composite plates with adhesive patch-reinforced circular hole
Authors: Tse, PC
Lau, KJ
Wong, WH
Keywords: Patch reinforcement
Elasticity
Finite element analysis
Fastener hole
Issue Date: 2002
Publisher: Pergamon Press
Source: Composites. Part B, Engineering, 2002, v. 33, no. 1, p. 57-65 How to cite?
Journal: Composites. Part B, Engineering 
Abstract: The application of a single-sided patch reinforcement to a woven E-glass fiber/epoxy composite panel with a central circular fastener hole is studied using three-dimensional finite element analysis. The width of the panel is 25.4 mm, while three hole diameters (3, 6 and 9 mm) are used in the study. The reinforcement patch is square in shape and is made of either E-glass fiber/epoxy or carbon fiber/epoxy laminae, with the patch-to-panel-thickness varying from 0.1 to 0.7. To simulate the ‘fastened’ condition, the patch-reinforced panel is bolted to a mild steel bar, which is fixed in the direction normal to the panel. One end of the panel is subject to unidirectional tensile load while the other end is under clamped boundary conditions. The through-thickness stress distributions and the failure loads of the patch-reinforced panels are evaluated by finite element analysis. Contact elements are used to account for interaction between contact surfaces. Experiments are also performed to verify the model.
The relationships between the patch-to-panel-thickness and the strength of the panel and the material of patch reinforcement are considered and discussed.
URI: http://hdl.handle.net/10397/60498
ISSN: 1359-8368
EISSN: 1879-1069
DOI: 10.1016/S1359-8368(01)00060-9
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