A finite fracture mechanics formulation to predict fibre kinking and splitting in CFRP under combined longitudinal compression and in-plane shear |
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| Authors: | R. Gutkin S.T. PinhoP. Robinson P.T. Curtis |
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| Affiliation: | a Department of Aeronautics, South Kensington Campus, Imperial College London, SW7 2AZ London, UK
b Physical Sciences Department, DSTL, 415 BLDG, Porton Down, SP4 0JQ Wiltshire, UK |
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| Abstract: | An analytical model to predict fibre kinking and splitting in CFRP under combined longitudinal compression and in-plane shear is presented. The model is based on the fracture mechanics of microcracks and split formation between the fibres during kink-band formation or splitting. A simple criterion which can readily be used in design is derived from the model. The predictions from this criterion are compared with experimental data and numerical results available in the literature, and are found to be in good agreement. |
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| Keywords: | Fracture Fiber-reinforced composites Kink band Splitting Failure criterion |
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