In conjunction with the failure mechanism of a glass/epoxy cross-ply lami nate under tension, the tree-shaped secondary failure was detected in our laboratory. Stress concentration which is induced by transverse cracking is the cause of the secondary failure. A theoretical approach to the failure is made in this paper on the basis of stress distributions and energy consideration.
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References
1.
I. Ohira, H "Analysis ot the Stress Distributions in the Cross-Ply Composite after Transverse Cracking," Fifth International Conference on Composite Materials, ICCM-V, edited by W C Harrigan, Jr , J Stnte and A K Dhingra, The Metallurgical Society , pp 1115-1124 (1985)
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Ohira, H. and T. Shono "Initial Failures of a Cross-Ply Composite and Plasticity Effects," Theoretical and Applied Mechames, Vol 35 University of Tokyo Press, pp 321-331 (1985)
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Ohira, H. , T. Shono and U. Uda "Further Damages of Transverse Cracks Occurnng in the Cross-Ply Composite ," Proceedings of Fifth International Conference on Mechanical Behaviour of Materials, ICM-5, Beijing, China, June 1987 (to be published)
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Ohira, H. and N. Uda "Observation of the Secondary Failure Near the Tip of Transverse Cracks in a GFRP Cross-Ply Laminate," Joint ASC/CCM Symposium on Composite Materials Science and Engineering, Delaware (Sept 1987)
