Abstract
The known criterial relationships of thermomechanical wear are adapted to the case of spatial quasistationary temperature and stress-strain state of the triboelement. The original data used are the distribution of temperature and stresses in the semispace exposed to the heat flux and normal pressure in the region moving over the surface with constant velocity. The dimensionless parameters Pe, Gth and p0/σf0 are used to plot the maps of thermomechanical wear which take into account the tribosurface plastic fracture (steel; ShKh15) or brittle and plastic fracture (aluminum oxide Al2O3) in response to the temperature.
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