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The study has been carried out on the basis of scientific foundations of materials science and powder metallurgy. It has been found out that the main factors determining the wear resistance of antifriction powder materials are dispersibility of powders, structure and porosity of the material. Considering the state of studying the problem of increasing the wear resistance of powder materials, it has been noted that in the present time there are no scientifically based receptions for obtaining sintered products from the charge containing industrial waste. Analyzing the relationship of the influence of various factors on the formation of product properties by the need to develop a new class of antifriction powder materials containing iron powders, chips of stamping steel and copper graphite is substantiated.Keywords: powder metallurgy, production of friction assemblies, chips, grinding, mixing, pressing, sintering, iron steel-copper graphite, sintered alloys, physical and mechanical properties, structure, tribotechnical characteristics.

equipment, technologies, materials

THE STUDY OF THE PRINCIPLE OF CREATING POROUS POWDER MATERIALS OF ANTIFRICTION PURPOSES BY INTRODUCING INTO THEM HETEROGENEITY PROVIDING STEEL CHIP WASTE