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Metallurgist
Published in: Metallurgist 9-10/2017

11-02-2017

Phase Composition of Heat-Resistant Layered Coatings of the Al–Cr–Ni System

Authors: V. G. Shmorgun, L. D. Iskhakova, A. I. Bogdanov, A. O. Taube

Published in: Metallurgist | Issue 9-10/2017

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Abstract

The results are provided for a study of the effect of high-temperature action duration in an air atmosphere at 1150°C for 100, 200, and 300 h on phase and chemical composition of heat-resistant layered coatings of the Al–Cr–Ni system. A collection of methods of electron microscopy (Z-contrast regime), energy-dispersion, and x-ray phase analyses shows that the main structural component of a diffusion barrier, providing a stable composition for a (NiAl + Ni3Al) coating and its heat resistance, are chromium-based solid solutions with a content in the range 93–99 at.%, and also solid solutions based on phases Ni3Cr, Ni3Cr2, and Ni3Al.
previous article Features of the Formation of Wear-Resistant Coatings from Powders Prepared by a Micrometallurgical Process of High-Speed Melt Quenching

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Metadata
Title
Phase Composition of Heat-Resistant Layered Coatings of the Al–Cr–Ni System
Authors
V. G. Shmorgun
L. D. Iskhakova
A. I. Bogdanov
A. O. Taube
Publication date
11-02-2017
Publisher
Springer US
Published in
Metallurgist / Issue 9-10/2017
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-017-0414-z

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