MATEC Web Conf.
Volume 340, 2021VII International Russian - Kazakhstan Conference “Chemical Technologies of Functional Materials” (RKFM 2021)
|Number of page(s)||5|
|Published online||08 July 2021|
Influence of Chromium Concentration on Corrosion Resistance of Surface Layers of Stainless Steel
1 Novosibirsk State Technical University, Department of Material Science in Mechanical Engineering, 20 K. Marx Pr., 630073 Novosibirsk, Russian Federation
2 Novosibirsk State Technical University, Department of Chemistry and Chemical Technologies, 20 K. Marx Pr., 630073 Novosibirsk, Russian Federation
* Corresponding author: firstname.lastname@example.org
Phase transformations occurring during the non-vacuum electron-beam surfacing using a mixture of amorphous boron and chromium powder (from 5 to 30 wt%) as well as the effect of the resulting structure on the corrosion resistance of the surface layers of chromium-nickel austenitic steel have been investigated. It has been found that when processing a powder mixture with a minimum chromium content (5 and 10 wt%), layers with a dense arrangement of borides are formed. Further increase in chromium concentration (20 and 30 wt%) leads to the formation of solid solutions in the modified layer. It has been shown that an increase in the concentration of chromium in the surface layer leads to a twofold increase in the corrosion resistance of the 12Х18Н9T (AISI 302) steel surface.
© The Authors, published by EDP Sciences, 2021
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