期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 37, 期 1, 页码 63-73出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2005.04.016
关键词
fracture; strength; analytical modelling; kinking
3D failure criteria for laminated fibre-reinforced composites, based on a physical model for each failure mode and considering non-linear matrix shear behaviour, are developed. Special emphasis is given to compression failure. The physical model for matrix compression failure is based on the Mohr-Coulomb criterion and also predicts the fracture angle. For fibre kinking, an initial fibre-misalignment angle is considered to trigger failure, due to further rotation during the compressive loading. The plane where the kinking takes place is predicted by the model, as well as the kink-band angle. Applications are presented that validate the model against experimental data. (C) 2005 Elsevier Ltd. All rights reserved.
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