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Deposition of Protective Coatings on Tungsten-Free Hard Alloys

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Powder Metallurgy and Metal Ceramics Aims and scope

Abstract

The process of deposition of coatings of titanium carbide, vanadium carbide, and chromium carbide on the surface of the tungsten-free hard alloys TN20, KNT16, and KKhN15 is investigated. The structure and phase composition of specially created layers are explored and the microhardness measured (11.5-24.5 GPa). The optimal temperature-time conditions for deposition of carbide coatings is determined. The ultimate transverse bending strength of hard alloys with and without coatings is determined. From the results of industrial tests, a two- to five-fold increase in the durability of plates in cutting was noted.

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Authors and Affiliations

  1. National Academy of Sciences of Ukraine, Institute for Problems of Materials Science, ul. Krzhizhanovskogo 3, Kiev, Ukraine, 03142

    Miroslav V. Karpets

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  1. Miroslav V. Karpets
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Karpets, M.V. Deposition of Protective Coatings on Tungsten-Free Hard Alloys. Powder Metallurgy and Metal Ceramics 42, 540–545 (2003). https://doi.org/10.1023/B:PMMC.0000013229.75289.76

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  • DOI: https://doi.org/10.1023/B:PMMC.0000013229.75289.76

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