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Modeling of the Tribological Behavior of Materials Using Crystal Plasticity Constitutive Model. Effect of Heat Partition and Friction

Abstract : A polycrystal model has been developed to study the tribological behavior of an aggregate BCC crystal under extreme contact loading conditions. The polycrystal behavior is defined from the local behavior of a single crystal within the framework of the Hill’s self-consistent scheme by considering the temperature effect. The tribological problem simulated in this work is a contact problem where a pin (tool) moves on a workpiece with a fairly high pressure and large sliding velocity. The results show the importance of the physical parameters as the hardening effect, the restoration of the dislocation and the crystallographic orientations of grains on the contact. The effect of the frictional heat partition and the friction coefficient have been particularly discussed.
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https://hal.univ-lorraine.fr/hal-03325740
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Submitted on : Wednesday, August 25, 2021 - 11:33:24 AM
Last modification on : Friday, August 5, 2022 - 2:54:00 PM

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K. Akoussan, M. Nouari, A. Moufki. Modeling of the Tribological Behavior of Materials Using Crystal Plasticity Constitutive Model. Effect of Heat Partition and Friction. Tribology Letters, Springer Verlag, 2021, 69 (3), ⟨10.1007/s11249-021-01484-0⟩. ⟨hal-03325740⟩

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