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金属学报  1999 

Ni-Al系中γ,γ’,β相平衡的实验与热力学分析

, PP. 193-197

Keywords: 相图,高温合金,热力学分析,Ni-Al系

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Abstract:

为了对Ni基高温合金的设计提供数据和理论依据,采用实验和热力学解析的方法对该体系中γ,γ',β之间的相平衡进行了研究.实验结果发现,γ'相的存在区域有一定的成分范围,且在1050℃左右成分范围最宽.采用规则溶液模型和亚点阵模型对该体系的液相、γ,γ'和β相进行了热力学分析和计算,与实验结果基本一致.

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