Phase-field simulation of Ni-Al-Cr system with chemical free energy using CALPHAD method

Tomonori Kitashima, Jincheng Wang, Hiroshi Harada

科研成果: 期刊稿件文章同行评审

4 引用 (Scopus)

摘要

The size, morphology and dispersion of γ′ precipitates affect the creep behaviors of Ni-base single-crystal superalloys. Phase-field modeling is powerful tool to predict such microstructure evolution. In this research, the Gibbs-free-energy function of γ and γ′ phases in the ternary Ni-Al-Cr system with a four-sublattice model was introduced to extend the phase-filed simulation of γ/γ′-microstructure-evolution to the ternary system. The values of γ/γ′-phase-compositions were in good agreements with the estimation of Dupin's CALPHAD method.

源语言英语
页(从-至)682-685
页数4
期刊Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
70
8
DOI
出版状态已出版 - 8月 2006

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