Abstract
A method for determining the parameters of thermal decomposition of polymer layers transferred onto a metal counterbody surface in the course of friction has been developed on the basis of thermodesorption mass spectrometry (TDMS). The efficacy of the proposed method is demonstrated using experimental data for poly(tetrafluoroethylene), polystyrene, and poly(methyl methacrylate) (PMMA). Using TDMS, it is possible to distinguish between damaged and intact molecules transferred in the course of friction in a relatively soft regime. TDMS data revealed differences in the character of thermal decomposition in the layers transferred during the friction of pure PMMA and PMMA-fullerene (C60) composition on steel.
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