Volume 11, Issue 1, 2002

Strain measurement in tests on fibre fabric by image correlation method

Jean Launay1, Fathia Lahmar1, Philippe Boisse1, Pierre Vacher2

1Laboratoire de Mecanique des Systemes et des Procedes, Ecole Superieure de l’ Energie et des Materiaux, 8 Rue Leonard de Vinci, 45072 Orleans Cedex 2,France

2Laboratoire de Mecanique Appliquee – ESIA, 41 Avenue de la Plaine BP 806, 74016 Annecy Cedex France

(Received 10/01; accepted 1/02 )

Abstract

Strain measurements are investigated by an image correlation method, for tensile tests, in order to analyse the non-linearities due to crimp. The interest of the method is the possibility to study the phenomena at different scales and so to contribute to a better understanding of the yarn interactions and of their influence on the fabric mechanical behaviour

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