Thermal Stresses Due to Frictional Heating with Time-Dependent Specific Power of Friction

Topczewska, Katarzyna

doi:10.1515/ama-2017-0043

Abstract

In this paper influence of temporal profile of the specific friction power (i.e. the product of the coefficient of friction, sliding velocity and contact pressure) on thermal stresses in a friction element during braking was investigated. Spatio-temporal distributions of thermal stresses were analytically determined for a subsurface layer of the friction element, based on the model of thermal bending of a thick plate with unfixed edges (Timoshenko and Goodier, 1970). To conduct calculations, the fields of dimensionless temperature were used. These fields were received in the article (Topczewska, 2017) as solutions to a one-dimensional boundary-value problem of heat conduction for a semi-space heated on its outer surface by fictional heat flux with three, different time profiles of the friction power.

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Thermal Stresses Due to Frictional Heating with Time-Dependent Specific Power of Friction

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