Effect of Rhenium on Formation of the Structure of Eutectic Alloys Based on β-NiAl + γ-Re

被引：0
|
作者：
Valerii E. Oliker
Maxim Yu. Barabash
机构：
[1] Institute for Problems of Materials Science,National Academy of Sciences of Ukraine
来源：
Powder Metallurgy and Metal Ceramics | 2003年 / 42卷
关键词：
phase diagram; eutectic alloy; nickel aluminide; rhenium;
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学科分类号：
摘要：
We have studied phase equilibria and plotted the partial phase equilibria diagram for Ni ― Al ― Re in the region of compositions ranging from 0.2 to 14 at.% rhenium. We have established the dependence of the structure and the phase composition of the alloys in the Ni ― Al ― Re system on the rhenium concentration. We have determined the optimal ratio of the components at which the alloys have the maximum melting point. We have shown that the structure of the alloys is a composite consisting of a NiAl-based matrix and γ-Re fibers.
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页码：180 / 183
页数：3
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