Structure of the Modified Layer Prepared by Nitriding of Carbon Steel with a Zinc-Filled Coating

L. G. Petrova; P. E. Demin; G. Yu. Timofeeva; A. V. Kosachev

doi:10.1134/S0036029519130263

Structure of the Modified Layer Prepared by Nitriding of Carbon Steel with a Zinc-Filled Coating

Authors: Petrova L.G.¹, Demin P.E.¹, Timofeeva G.Y.¹, Kosachev A.V.¹
Affiliations:
1. Moscow Automobile and Road Construction State Technical University MADI
Issue: Vol 2019, No 13 (2019)
Pages: 1414-1420
Section: Coating Deposition
URL: https://journals.rcsi.science/0036-0295/article/view/173844
DOI: https://doi.org/10.1134/S0036029519130263
ID: 173844

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Abstract

The nitriding of a grade 45 carbon steel with a zinc-filled coating (ZFC), which was preliminary formed by cold galvanizing, is considered. The microstructure and the chemical and phase compositions of the modified layer are studied experimentally. It is found that the nitriding leads to the formation of a transition zone in the steel substrate, which is located under ZFC and results from the diffusion of zinc and nitrogen in iron.