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Nonlinear Behavior of Laminated Composites

This paper extends the nonlinear behavior of unidirectional laminae of Reference [1] to that of laminated composites. A comparison between the theory and experimental results is shown through the analysis of uniaxial tension behavior of various laminates. The effect on buckling stress owing to nonlinearity is illustrated for a ±45° angle-ply laminate with simply- supported edges.