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CONTACT BETWEEN ROUGH SURFACES : CRYSTAL PLASTICITY INFLUENCE ON THE CONTACT TIGHTNESS ESTIMATION

Durand, J.; Proudhon, H.; Cailletaud, G.;

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This paper is devoted to analyse the influence of material behaviour in a normal frictionless contact between a rough surface and a rigid plane. By means of Finite Element code Zset/Z´eBuLoN, crystal plasticity models are determined and compared to a von Mises elastoplastic behaviour. The influence of grain orientation but also elastic anisotropy are put forward. Stress distributions, cumulated plastic strain, global responses and fluid flow in the resulting aperture field between surfaces are then quantified and compared.

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Palavras-chave: Mechanical contact, Rough surface, Crystal plasticity, Fluid flow.,

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DOI: 10.5151/meceng-wccm2012-18221

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Como citar:

Durand, J.; Proudhon, H.; Cailletaud, G.; "CONTACT BETWEEN ROUGH SURFACES : CRYSTAL PLASTICITY INFLUENCE ON THE CONTACT TIGHTNESS ESTIMATION", p. 968-979 . In: In Proceedings of the 10th World Congress on Computational Mechanics [= Blucher Mechanical Engineering Proceedings, v. 1, n. 1]. São Paulo: Blucher, 2014.
ISSN 2358-0828, DOI 10.5151/meceng-wccm2012-18221

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