Journal
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
Volume 30, Issue 17, Pages 3630-3638Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2022.2079032
Keywords
Fatigue damage; angle-ply laminate; damage modeling; fatigue life; damage estimation
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A mathematical model is proposed in this study to estimate the damage accumulation in CFRP composite based on two design variables: stacking sequence and fiber orientation. The model is validated by comparing the results with those previously reported in the literature, and it is found to accurately predict the fatigue damage accumulation based on the laminate design variables, eliminating the need for additional fatigue tests.
A mathematical model for estimating the damage accumulation in CFRP composite based on two laminate design variables: stacking sequence and fiber orientation, is presented. The laminates were tested to obtain the damage-cycle curves and then were fitted to obtain regression coefficients, which were correlated to the laminate design variables. The results show that the proposed model is in good agreement with those previously reported in the literature and also allows estimating the fatigue damage accumulation based on the information of the laminate design variables, therefore, no further experimental fatigue tests are required.
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