Effect of magnetic abrasive treatment on high-temperature oxidation of NiAl and NiAl–Re coatings

被引：0
|
作者：
V. E. Oliker
T. Ya. Gridasova
V. L. Sirovatka
E. N. Eliseeva
I. I. Timofeeva
E. F. Grechishkin
机构：
[1] National Academy of Sciences of Ukraine,Frantsevich Institute for Problems of Materials Science
[2] National Technical University of Ukraine ‘Kiev Polytechnic Institute’,undefined
来源：
Powder Metallurgy and Metal Ceramics | 2009年 / 48卷
关键词：
NiAl; rhenium; eutectic alloy; detonation coating; oxidation; magnetic abrasive treatment;
D O I：
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学科分类号：
摘要：
A comparative microstructural analysis of the scale formed on the NiAl–Re detonation coating shows that the mechanism of its high-temperature oxidation can be changed with preliminary magnetic abrasive treatment (MAT). The scale formed over the NiAl–Re coating in ordinary conditions includes several layers (NiO–NiAl2O4–Al2O3), while the scale formed on the MAT coating consists of an Al2O3 monolayer with spinel inclusions. The differences in the oxidation of the NiAl and NiAl–Re coatings after MAT are attributed to changes in their dislocation structure.
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页码：466 / 477
页数：11
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