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A generalised model of materials behaviour during friction is presented. It represents a certain approach resulting from the unified theory of friction and deterioration. Based on the relevant literature and our research data, which includes the behaviour of Fe-C alloys during friction, the basic stages and reasons of the alloy operational stability are shown.
This paper analyses the mechanisms of abrasive wear based on research results and literary data. A generalised model describes the influence of microstructure, chemical composition and hydrogen-containing lubricant on the wear processes in the surface layers of cast irons and graphitized steels. Major factors affecting the intensity of wear are determined: pressure, speed of sliding, chemical composition...
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