Technological increase of adhesive wear-resistance of parts added with chromium powder wire alloyed with complex of boron and nitrogen compounds

Abstract

It is shown that the structure of metal padded with powder wire having the following mixture: 15% Cr – 0,5% B4C – 0,5% BN – 2,5% TiB2 – 1,0% ZrB2, is a martensitic matrix with (Fe, Cr)2B boride eutectic, carbon boride of (Fe, Cr)7(C, B)3 type and ε –(Fe, Cr)2-3N nitrides. Such a wire can be used for strengthening weld deposition of parts operated under conditions of heavy friction loading.