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Phase Composition of Heat-Resistant Layered Coatings of the Al-Cr-Ni System.
- Source :
-
Metallurgist . Jan2017, Vol. 60 Issue 9/10, p1113-1119. 7p. - Publication Year :
- 2017
-
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 + NiAl) 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 NiCr, NiCr, and NiAl. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00260894
- Volume :
- 60
- Issue :
- 9/10
- Database :
- Academic Search Index
- Journal :
- Metallurgist
- Publication Type :
- Academic Journal
- Accession number :
- 121413177
- Full Text :
- https://doi.org/10.1007/s11015-017-0414-z