A model of friction for a pin-on-disc configuration with imposed pin rotation
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Authors: Pérez, A.T., Fatjó, G.G.A., Hadfield, M. and Austen, S.
Journal: Mechanism and Machine Theory
A friction model is developed by considering the Coulomb friction model, a probabilistic approach of wear prediction, the kinematics of the pin-on-disc configuration and the elastic theory of bending. The model estimates the magnitude and direction of the frictional force, the pin torque, the probability of asperity contact and the real area of contact distinguishing between the part due to elastic and plastic asperity contacts respectively. Therefore, the proposed model is suitable for the prediction of adhesive wear. It can be applied to metal contacts for conductance characterisation through the plastically deformed asperities which is of great interest for electrical contact resistance studies. © 2011 Elsevier Ltd.