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ANZIAM J. 47(EMAC2005) pp.C682--C694, 2007.

Fracture modelling of composite marine T-Joint

H. C. H. Li

I. Herszberg

A. P. Mouritz

F. Dharmawan

(Received 20 March 2006; revised 28 February 2007)

Abstract

This article outlines a study on the fracture behaviour of representative 2D sections of large adhesively bonded glass fibre reinforced polymer T-joints commonly found in composite marine vessels. Finite element models of the structure were developed with various damage configurations in the adhesive bond lines which represent damage that may occur during service, particularly as a result of impact or shock loading. The T-joint sections were subjected to a straight pull-off load to simulate normal operational conditions of such structures in a ship. The fracture behaviour and damage criticality of the structure were numerically predicted using the Virtual Crack Closure Technique.

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Authors

H. C. H. Li

School of Aerospace Mechanical & Manufacturing Engineering, RMIT University, Melbourne, Australia. mailto:h.li@crc-acs.com.au

I. Herszberg

Cooperative Research Centre for Advanced Composite Structures Ltd, Melbourne, Australia.

A. P. Mouritz

F. Dharmawan

Published June 26, 2007. ISSN 1446-8735

References

1. F. Dharmawan, R. S. Thomson, H. C. H. Li, I. Herszberg and E. Gellert. Geometry and Damage Effects in a Composite Marine T-Joint, Composite Structures, 66, 2004, 181--187.
2. R. Krueger. The Virtual Crack Closure Technique: History, Approach and Applications, NASA/CR-2002-211628, 2002.
3. J. J. La Scala, J. A. Orlicki, C. Winston, E. J. Robinette, J. M. Sands and G. R. Palmese. The use of Bimodal Blends of Vinyl Ester Monomers to Improve Resin Processing and Toughen Polymer Properties, Polymer, 46, 2005, 2908--2921.
4. P. Suppakul and S. Bandyopadhyay. The Effect of Weave Pattern on the Mode-I Interlaminar Fracture Energy of E-Glass/Vinyl Ester Composites, Composites Science and Technology, 62, 2002, 709--717.
5. H. C. H. Li, I. Herszberg, C. E. Davis and A. P. Mouritz. Disbond Detection in Bonded Composite Ship Joints Using Embedded Bragg Grating Sensors, in Proceedings of the 2nd Australasian Workshop on Structural health Monitoring, Melbourne, Australia, 2004.
6. H. C. H. Li, I. Herszberg and A. P. Mouritz. Strain Distributions Due to Disbonds in Composite Ship Joints, in Proceedings of the 4th Australasian Congress on Applied Mechanics, Melbourne, Australia, 16--18 February, 2005.