<i>In Situ</i> Phase Transformations in CrN/Cr-Сoated E110 Alloy under High Temperature-Reference-Cited by-同舟云学术

<i>In Situ</i> Phase Transformations in CrN/Cr-Сoated E110 Alloy under High Temperature

Published:2022-02-15 Issue: Volume:910 Page:940-946
ISSN:1662-9795
Container-title:Key Engineering Materials
language:
Short-container-title:KEM

Author:

Syrtanov Maxim¹,Pirozhkov Alexey¹,Sidelev Dmitrii¹

Affiliation:

1. National Research Tomsk Polytechnic University

Abstract

The paper considers phase transformations in the E110 zirconium alloy with multilayer CrN/Cr coatings under linear heating up to 1250 °C with isothermal exposure for 20 min. The multilayer CrN/Cr coatings can decelerate Cr-Zr interdiffusion by formation of a barrier ZrN layer at the “coating-alloy interface” due to CrN decomposition at high temperature. The duration of barrier effect depends on a layer thickness of CrN/Cr multilayers. This effect results in a better corrosion resistance of the E110 alloy with multilayer CrN/Cr coatings under high-temperature oxidation at 1100 °C in air in comparison with Cr-coated E110 alloy.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Link

https://www.scientific.net/KEM.910.940.pdf

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