Effect of barothermal processing on the composition and properties of a polycrystalline high-temperature nickel alloy

被引：0
|
作者：
V. P. Sanygin
A. M. Kvardakov
A. G. Padalko
A. N. Veselov
S. P. Avdyukhin
机构：
[1] Russian Academy of Sciences,Kurnakov Institute of General and Inorganic Chemistry
[2] Russian Academy of Sciences,Institute of Physicochemical Problems in Ceramic Science
来源：
Inorganic Materials | 2007年 / 43卷
关键词：
Nickel Alloy; Electron Probe Microanalysis; Titanium Concentration; Corrosion Stability; Piston Compressor;
D O I：
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中图分类号：
学科分类号：
摘要：
Chemical inhomogeneities in the form of concentric zones enriched in aluminum and titanium have been revealed in cylindrical samples of a polycrystalline multicomponent high-temperature nickel alloy by electron probe microanalysis. Barothermal processing has been shown to accelerate aluminum and titanium diffusion in the alloy and to promote the accumulation of these elements in the surface layer of the sample. The final stage of the diffusion process is the formation of a surface layer enriched in Al and Ti, which enhances the corrosion stability of the alloy.
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页码：148 / 152
页数：4
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