Failure Analysis of Laminate on Influence of the Hole

Abstract:

Failure process of laminated composites is performed by progressive failure analysis method. A modified form of Hashin’s failure criterion by Shokrieh is used to investigate the failure, where a sudden degradation model is proposed to reduce engineering material constants. The numerical study of laminated composites is implemented in ANSYS Parametric Design Language (APDL). The initiation and propagation of local damage and response of laminated composite structures from initial loading and ultimate failure are predicted. The model has been validated by comparing numerical results with existing experimental results. And then failure analysis of specimen fabricated from M40J/Ag80 on influence of the hole has been performed by the proposed model.

• Periodical: Advanced Materials Research (Volumes 450-451)
• Pages: 590-593
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.450-451.590
• Online since: January 2012
• Authors: Yin Huan Yang
• Keywords: Hole, Laminates, Material Properties Degradation, Progressive Failure

References

[1] J. D. Lee : Computers and Structures Vol.15(1982), p.335~350

[2] O. Ochoa, and J. N. Reddy, in: Finite Element Analysis of Composite Laminates. Kluwer Academic Publishers(1992)

[3] S. Tolson, and N. Zabaras : Computers and Structures Vol.38(1991)

[4] O. Ochoa, and J. J. Engblom : Composites Science and Technology Vol.28(1987), p.87~102

[5] W. J. Peng, and J. Q. Chen : Key Engineering Mate. (2006),p.771~774

[6] F. K. Chang, and K. Y. Chang: Journal of Composite Materials Vol.21(1987),p.834~855