Damage in composite laminates: Effects of transverse cracks |
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| Affiliation: | 1. LEMTA, Université de Lorraine, 2, Avenue de la Forêt de Haye, TSA 60604, 54504 Vandœuvre-lès-Nancy, France;2. Faculty of Engineering, Section III, Lebanese University, Campus Rafic Hariri, Beirut, Lebanon;1. School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, 610054, China;2. Center for Advanced Diffusion-Wave and Photoacoustic Technologies (CADIPT), Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, M5S 3G8, Canada;1. Wolfson School of Mechanical and Manufacturing Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK;2. Department of Aeronautical and Automotive Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK |
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| Abstract: | Two different methods of solution are used to study the effects of transverse cracks in cross-ply composite laminates. The results of an approximate analytical solution are compared with those obtained using a finite element analysis in order to study the effects of transverse cracks on the degradation of elastic and thermal coefficients as well as stress distributions. In particular, it is shown that transverse cracks cause significant degradation of the Poisson's ratio and shear modulus of the laminates, and also affect some stress distributions in a peculiar manner. Theoretical results are compared with existing experimental results where appropriate. |
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