A mixed-mode model for partitioning phase transformations

被引：56
作者：
Bos, C.
Sietsma, J.
机构：
[1] Delft Univ Technol, Dept Mat Sci & Engn, NL-2628 CD Delft, Netherlands
[2] Netherlands Inst Met Res, NL-2628 CD Delft, Netherlands
来源：
SCRIPTA MATERIALIA | 2007年 / 57卷 / 12期
关键词：
phase transformation kinetics; modelling; precipitation; mixed-mode kinetics;
D O I：
10.1016/j.scriptamat.2007.08.030
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A mixed-mode model for the interface velocity during partitioning phase transformations [J. Sietsma, S. van der Zwaag, Acta Mater. 52 (2004) 4143-4152] is reformulated and rigorously validated. Comparison with a numerical treatment shows that the model gives a near-exact description of the growth kinetics. In addition, the model provides information on the concentration profiles of the partitioning element. The mixed-mode growth model can be combined with a range of different microstructure models. As an example a combination with a Johnson-Mehl-Avrami extended volume model is shown. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1085 / 1088
页数：4
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