Journal
COMPOSITES PART B-ENGINEERING
Volume 154, Issue -, Pages 157-165Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2018.07.058
Keywords
Moulding compounds; Anisotropy; Computational modeling; Mechanical testing
Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC) [PGSD2-489295-2016]
- German Research Foundation (DFG) [GRK 2078]
- General Motors Corporation
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Phenomenological models are required to predict the behaviour of a glass fibre reinforced Sheet Moulding Compound (SMC) composite material for use in the automotive industry. Material testing is conducted in tension, compression, in-plane shear, and three-point bending. The SMC composite exhibits tension-compression asymmetry and in-plane anisotropy. A model, which incorporates an anisotropic and asymmetric yield function, is developed. The model is calibrated to the experimental tension, compression and in-plane shear tests and are validated using the three-point flexure test. The model captures the flexure response within 8.1% of the experimental observations. The importance of including tension compression asymmetry within the model is demonstrated.
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