Author/Authors :
Nourine, L Laboratoire de Mécanique Appliquée - Université des Sciences et de la Technologie d’Oran , Algéira , Sahli, A Laboratoire de Recherche des Technologies Industrielles - Université Ibn Khaldoun de Tiaret, Algéira , Sahli, S Département de Génie Mécanique - Université d’Oran, Algéira
Abstract :
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.
Keywords :
Criterion damage , Failure criteria , Impact , Laminate composite materials , Damage strength
