2019•Russian Metallurgy (Metally)Requires access

Structure and Tribological Properties of the Wear-Resistant Coatings Deposited Using Flux-Cored Wires Modified by Tantalum and Tungsten

Г. Г. Винокуров, М. И. Васильева, Anatoly K. Kychkin, L V Moskvitina

Abstract

Abstract Test flux-cored wires for arc spraying technology are developed. Tantalum and tungsten powders are selected as modifying additives. A PGSR-4 (Ni–Cr–B–Si) commercial powder is the basis of the powder material. The structure of the modified coatings is studied by metallographic analysis. Wear tests of the modified coatings are performed by slipping friction. The friction coefficients and the roughness characteristics are measured.

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Available abstract

Key concepts: Materials science, Tantalum, Tungsten, Slipping, Metallurgy, Tribology, Flux (metallurgy), Surface finish