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

被引：0
|
作者：
Sanygin, V. P.
Kvardakov, A. M.
Padalko, A. G.
Veselov, A. N.
Avdyukhin, S. P.
机构：
[1] Russian Acad Sci, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, Russia
[2] Russian Acad Sci, Inst Physicochem Problems Ceram Sci, Moscow 119361, Russia
来源：
INORGANIC MATERIALS | 2007年 / 43卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S0020168507020100
中图分类号：
T [工业技术];
学科分类号：
08 ;
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.
引用
收藏
页码：148 / 152
页数：5
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