FIELD: mechanical engineering, working of tools. SUBSTANCE: article is subjected to working in plasma containing ions of argon, hydrogen and carbon or carbon and nitrogen. Simultaneously article is machined in order to clean it, oxides are reduced and diffusion saturation is carried out. After this wear-resistant coat is deposited. EFFECT: reduced labor input and raised wear resistance of tool thanks to diminished losses for roughness of backing. 1 dwg, 2 tbl
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