Failure Criteria Analysis of Laminate Composite Materials

Journal of Solid Mechanics

مقاله 5، دوره 10، شماره 3، آذر 2018، صفحه 522-531   

نوع مقاله: Research Paper

نویسندگان

L Nourine^{* 1}؛ A Sahli²؛ S Sahli³

¹Laboratoire de Mécanique Appliquée, Université des Sciences et de la Technologie d’Oran , Algéira

²Laboratoire de Recherche des Technologies Industrielles, Université Ibn Khaldoun de Tiaret, Algéira

³Département de Génie Mécanique, Université d’Oran, Algéira

چکیده

This paper deals with the development of a numerical simulation methodology for estimating damages in laminate composite materials caused by a low-speed impact. Experimental tests were performed on laminate plates reinforced with woven carbon fibers and epoxy resin. Three thickness plates were evaluated. The impact loads were transversal and punctual. Two lamina failure criteria were evaluated. The first is the maximum stress. The second is a proposed modification of the Hashin failure criterion. Four lamina degradation criteria were evaluated too. The numerical contact loads between the plate and impactor were well represented. The numerical damaged areas and lengths were similar or greater than the experimental results.

کلیدواژه‌ها

Criterion damage؛ Failure criteria؛ Impact؛ Laminate composite materials؛ Damage strength

مراجع

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