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Numerical simulation of the third body in fretting problems

Abstract : This study is devoted to the computation of realistic stress and strain fields at a local scale in fretting. Models are proposed to improve surface and volume modelling, by taking into account the heterogeneity of stress fields due to the irregular interface. This gives a new view toward damage mechanisms. The surface heterogeneity which is considered here, results from the third body trapped in the contact zone. This third body is known to drastically influence the contact conditions. The competition between wear and crack initiation is investigated with respect to local stress fields. The first model is used to study the evolutions of particles and the contact stress according to the loading conditions. Then, Dang Van's multiaxial fatigue model is used to predict cra
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Submitted on : Friday, February 25, 2011 - 4:56:53 PM
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Stéphanie Basseville, Eva Héripré, Georges Cailletaud. Numerical simulation of the third body in fretting problems. Wear, Elsevier, 2011, 270, pp.876-887. ⟨10.1016/j.wear.2011.02.016⟩. ⟨hal-00569974⟩



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