Unloading of an elastic-plastic spherical contact under stick contact condition

By Y. Zait, Y. Kligerman, I. Etsion. 2010

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The unloading process of an elastic–plastic spherical contact under stick contact condition is analyzed for various material properties. The evolution of normal and shear stress distribution at the contact area as well as the residual profile of the sphere and residual von Mises stresses inside the sphere are presented. Empirical expressions for the residual interference and for the evolution of the interference and contact area during the unloading are provided. Good agreement with experimental results is shown.

Subfields: Mechanical Engineering, Mechanics of Materials

View Paper: https://www.semanticscholar.org/paper/bf32b49345b62df56f844087e00b27b85df1f0d5