Abstract
The aim of this article is to develop a damage constitutive law for composite laminates by using the complementary contribution of numerical and experimental tests. The experimental tests conducted on cross ply laminates ([02/90n]s) permit to observe and to quantify the damage type present in the laminate. The numerical tests allow to determine the damage effects (transverse cracks and delaminations induced by transverse cracks) on the ply behaviour in taking into account the discrete aspect of the real crack. Assuming the damage effects known by computations, the experimental observations and results are analyzed in order to determine the different damage evolution laws. This study underlines the 90° plies thickness influence on transverse cracks development and the experimental results could be explained by using a criterion based on stress and energy.
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Huchette, C., Lévêque, D., Carrère, N. (2006). A MULTISCALE DAMAGE MODEL FOR COMPOSITE LAMINATE BASED ON NUMERICAL AND EXPERIMENTAL COMPLEMENTARY TESTS. In: Sadowski, T. (eds) IUTAM Symposium on Multiscale Modelling of Damage and Fracture Processes in Composite Materials. SOLID MECHANICS AND ITS APPLICATIONS, vol 135. Springer, Dordrecht. https://doi.org/10.1007/1-4020-4566-2_28
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DOI: https://doi.org/10.1007/1-4020-4566-2_28
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-4565-3
Online ISBN: 978-1-4020-4566-0
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