Failure of Delaminated Carbon/Epoxy Composite Plates under Compression

摘要: The purpose of this work is to study the buckling loads, modes, postbuckling behavior, and critical loads delamination growth for delaminated unidirectional carbon/epoxy composites. Nonlinear analysis, which a finite-element method including contact elements prevent overlapping situation, was applied predict loads. In order total strain-energy release rate criterion, component inerlaminar stress criterion were used in analysis. Experimental results also provided compare with prediction. indicate that nonlinear analysis has very good agreement on experiments except global case. For mode, are suggested represent failure composites, may not be necessary. mixed local ...