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Article Dans Une Revue Polymer Testing Année : 2009

A new characterisation method for rubber

Résumé

This paper deals with the mechanical characterisation of elastomeric materials. An original method is proposed to identity the material parameters. It consists of performing only one heterogeneous mechanical test, measuring the displacement/strain field using suitable Digital Image Correlation software and applying an inverse method, namely the Virtual Fields Method, to process the resulting displacement/strain maps. For this purpose, a new apparatus is designed to be adapted to a conventional tensile machine. This apparatus enables us to obtain simultaneously uniaxial tension, pure shear and equibiaxial tension, using only one sample. The heterogeneity of the kinematic fields induced by the test is first discussed in relation to two criteria. The main features of the identification method are then presented, and results provided by a test performed on an elastomeric material are discussed in the context of hyperelasticity.
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hal-01131584 , version 1 (16-03-2015)

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Thomas Guélon, Evelyne Toussaint, Jean-Benoit Le Cam, Nattawit Promma, Michel Grediac. A new characterisation method for rubber. Polymer Testing, 2009, 28, pp.715-723. ⟨10.1016/j.polymertesting.2009.06.001⟩. ⟨hal-01131584⟩
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