Powder chromium plating and cromium aluminizing of nickel alloy surface

Kashin D.S., Azarovskiy E.N.
UDC
621.762
DOI
10.18577/2307-6046-2022-0-10-90-99
Article PDF (Russian) (1.16 MB)
How to cite
Kashin D.S., Azarovskiy E.N. Powder chromium plating and cromium aluminizing of nickel alloy surface // Proceedings of VIAM. 2022. No. 10. DOI: 10.18577/2307-6046-2022-0-10-90-99. URL: https://test.viam.ru/en/journal/2022/10/8
Keywords
nickel alloy, powder chromium aluminizing, diffusion coating, thermal diffusion saturation, scanning electron microscopy
Abstract

Investigations of the surface of a nickel alloy after the penetration of diffusion coatings from powders were carried out. Application of chrome and chromoaluminide screens on atmospheric devices according to the parameters of the temperature-time interval. Determining the values of change in the mass of samples and the degree of diffusion of the surface. Given metallographicl and X-ray microspectral analysis of samples. According to the research results, it was found that after powder chromium plating, the depth of the diffusion zone reaches 18 microns with a chromium concentration of up to 92 %. With the appearance of chromoaluminide surfaces, aluminization mainly takes place, while the diffusion of chromium and iron is not observed.

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