Damage prediction of carbon-epoxy composites under shear loads using the finite element method

Karumbaiah, K, Das, R and Campbell, S 2015, 'Damage prediction of carbon-epoxy composites under shear loads using the finite element method', in G. R. Liu and Raj Das (ed.) Proceedings of the 6th International Conference on Computational Methods (ICCM 2015), Auckland, New Zealand, 14-17 July 2015, pp. 939-950.


Document type: Conference Paper
Collection: Conference Papers

Title Damage prediction of carbon-epoxy composites under shear loads using the finite element method
Author(s) Karumbaiah, K
Das, R
Campbell, S
Year 2015
Conference name ICCM 2015
Conference location Auckland, New Zealand
Conference dates 14-17 July 2015
Proceedings title Proceedings of the 6th International Conference on Computational Methods (ICCM 2015)
Editor(s) G. R. Liu and Raj Das
Publisher Scientech
Place of publication United States
Start page 939
End page 950
Total pages 12
Abstract Carbon fiber reinforced polymer composite (CFRP) laminates are used in many applications of the aerospace industry, particularly, in aircraft structural components due to their good stiffness to weight ratios compared to traditionally used aluminium. The ability of accurate prediction of the structural response of composites under complex loadings is crucially important for high-end designs and optimisation of composite structures. The accuracy and predictive capabilities of finite element models in the failure analysis of the carbon-epoxy (IM7/977-3) composite laminates have been evaluated. The cross ply composite laminate with the layup configuration [0,90]4S was numerically modelled under shear loads, and the commercial finite element program ABAQUS was utilised. The failure due to shear loads were analysed using the Hashin's failure criterion. The numerical results were validated by comparing them against the carefully conducted experimental test data. The difference between the experimental and numerically predicted values of the stress and strain were compared to evaluate the accuracy of the finite element models.
Subjects Materials Engineering not elsewhere classified
Keyword(s) Composite materials
Carbon-epoxy
Failure criteria
Progressive damage
Copyright notice © 2015 This work is licensed under a Creative Commons Attribution 3.0 License.
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