Journal
INTERNATIONAL JOURNAL OF FATIGUE
Volume 103, Issue -, Pages 546-556Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2017.06.035
Keywords
Non-symmetric crack; Fibre metal laminates; Crack opening displacement; Stress intensity factor
Funding
- Chinese Scholarship Council
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This paper proposes an analytical model for predicting the non-symmetric crack growth and accompanying delamination growth in FMLs. The general approach of this model applies Linear Elastic Fracture Mechanics, the principle of superposition, and displacement compatibility based on the understanding of deformation behaviour in eccentrically cracked metal panels. The non-symmetric crack growth behaviour of two crack tips and accompanying asymmetric load transfer from the eccentrically cracked metal layers to the intact bridging fibres are successfully predicted with the model. The predicted crack growth rates and delamination evolution are compared to test data, good correlation is observed. (C) 2017 Elsevier Ltd. All rights reserved.
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