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Repair efficiency studies on resin infused scarf repaired composite structure

Palaniappan, J., Brisoux, S., Boyd, S.W., Shenoi, R.A. and Mawella, J. (2009) Repair efficiency studies on resin infused scarf repaired composite structure At 10th Deformation and Fracture of Composites (DFC 10), United Kingdom.

Record type: Conference or Workshop Item (Other)

Abstract

Composite materials have been increasingly adopted in marine industries such as for patrol boats, minecounter measure vessels, hovercrafts etc. The composite materials in these vessels undergo damage during service and any permanent repair technique adopted has to restore the integrity of the damaged composite structure. Although number of researchers have studied on scarf repaired technique [1, 2], they are mostly layer-by-layer handlaid scarf repaired technique. One of the modern fabrication technology for composite material, vacuum-assisted resin infused technique [3] is gaining wider acceptance due to reduced styrene emission, one step process, more consistent, higher laminate properties etc. In this current study, this vacuum assisted resin infused fabrication technique is adopted as the repair route to scarf repair the damaged composite structure. The composite scarf joint configuration was utilized to simulate scarf repaired composite panels.

Experimental tests, tensile and 4 point bending tests, were conducted on resin infused scarf repaired Glass -epoxy composite laminate to determine the repair efficiency of the structure. Effectiveness was assessed by the tensile strength and flexure strength of the repaired laminate.

Aiming towards better efficiency, parametric studies are conducted for various parameters such as scarf angle, repair material and surface preparation. Failure modes for various configurations are studied and reported. The efficiency improvements by these parameters are dealt in the rest of the paper.

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More information

Published date: April 2009
Venue - Dates: 10th Deformation and Fracture of Composites (DFC 10), United Kingdom, 2009-04-01
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 66479
URI: http://eprints.soton.ac.uk/id/eprint/66479
PURE UUID: 6a4208ac-cb99-4f63-a5e1-49847bbb750d

Catalogue record

Date deposited: 22 Jun 2009
Last modified: 19 Jul 2017 00:24

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Contributors

Author: J. Palaniappan
Author: S. Brisoux
Author: S.W. Boyd
Author: R.A. Shenoi
Author: J. Mawella

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