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


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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.

About the authors

L. G. Petrova

Moscow Automobile and Road Construction State Technical University MADI

Email: petr-demin@yandex.ru
Russian Federation, Moscow, 125319

P. E. Demin

Moscow Automobile and Road Construction State Technical University MADI

Author for correspondence.
Email: petr-demin@yandex.ru
Russian Federation, Moscow, 125319

G. Yu. Timofeeva

Moscow Automobile and Road Construction State Technical University MADI

Email: petr-demin@yandex.ru
Russian Federation, Moscow, 125319

A. V. Kosachev

Moscow Automobile and Road Construction State Technical University MADI

Email: petr-demin@yandex.ru
Russian Federation, Moscow, 125319

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