Microstructual path analysis of polycrystalline solidification by using multi-phase-field method incorporating a nucleation model

被引：5

作者：

Nishida, Yasutaka ^{[1
]}

Aiga, Fumihiko ^{[1
]}

Itoh, Satoshi ^{[2
]}

机构：

[1] Toshiba Co Ltd, Ctr Corp Res & Dev, Saiwai Ku, 1 Komukai Toshiba Cho, Kawasaki, Kanagawa 2128582, Japan

[2] RIKEN Adv Inst Computat Sci, Chuo Ku, Kobe, Hyogo 6500047, Japan

来源：

JOURNAL OF CRYSTAL GROWTH | 2014年 / 405卷

关键词：

Phase-field method; Simulation; Avrami exponent; KJMA kinetics; Phase transformation; Microstructual path function; CRYSTALLIZATION KINETICS; RECRYSTALLIZATION KINETICS; COMPUTER-SIMULATION; GRAIN-GROWTH; TRANSFORMATION; DISTRIBUTIONS; TRANSITIONS; DEPENDENCE; PARTICLES; SYSTEM;

D O I：

10.1016/j.jcrysgro.2014.08.003

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Using the multi-phase-field (MPF) method incorporating a continuous nucleation model, we have revisited polycrystalline solidification described by the KJMA kinetics. Besides the Avrami exponents, the microstructural path functions to quantify the morphological characteristics were calculated within the framework of the MPF method. Our simulation can easily take account of the effects that are difficult to deduce from the conventional KJMA theory such as grain impingement and spatial distribution of crystallite seeds. As a result, quantitative differences among various types of transformation kinetics can be identified. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：110 / 121

页数：12

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