Computer simulation of grain growth by the phase field model. Effect of interfacial energy on kinetics of grain growth

Yoshihiro Suwa*, Yoshiyuki Saito

*この研究の対応する著者

    研究成果: Article査読

    20 被引用数 (Scopus)

    抄録

    Numerical simulations of grain growth based on the phase field method were performed in order to investigate effect of interfacial energy on kinetics of growth. From the theoretical analysis of the evolution equation with the Ginzburg-Landua type free energy functional. It is known that the gradient energy coefficient, κ, and a parameter λ in a local free energy function affects interfacial energy of a materials. Numerical simulation results indicate that the average size is proportional to the square root of time and after a short transient time, the grain size distribution and the grain side distribution functions become time-independent. These results are in good agreement with these obtained by the mean field theory and the Monte Carlo simulation. Growth rate becomes larger with the increase of κ and growth rate becomes smaller with the increase of γ. These results are in good agreement with these obtained by conventional theories.

    本文言語English
    ページ(範囲)2245-2251
    ページ数7
    ジャーナルMaterials Transactions
    44
    11
    出版ステータスPublished - 2003 11月

    ASJC Scopus subject areas

    • 材料科学(全般)
    • 金属および合金

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