Modelling of kinetics in multi-component multi-phase systems with spherical precipitates - I: Theory

被引：310

作者：

Svoboda, J

Fischer, FD

Fratzl, P

Kozeschnik, E

机构：

[1] Graz Univ Technol, Inst Mat Sci Welding & Forming, A-8010 Graz, Austria

[2] Acad Sci Czech Republ, Inst Phys Mat, CZ-61662 Brno, Czech Republic

[3] Univ Leoben, Inst Mech, A-8700 Leoben, Austria

[4] Univ Leoben, Inst Phys Met, A-8700 Leoben, Austria

[5] Austrian Acad Sci, Erich Schmid Inst Mat Sci, A-8700 Leoben, Austria

[6] Mat Ctr Leoben, A-8700 Leoben, Austria

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2004年 / 385卷 / 1-2期

关键词：

modelling; diffusion; phase transformation; thermodynamics; precipitation;

D O I：

10.1016/j.msea.2004.06.018

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A new model for the evolution of the precipitate structure derived by means of application of the thermodynamic extremum principle is presented. The model describes the evolution of the radii and of the chemical composition of individual precipitates of different phases in the multi-component system. In connection with a proper theory of nucleation, the model is able to describe the evolution of the precipitate structure in the classical stages of nucleation, growth and coarsening as well as interaction of precipitates of different phases, of different chemical composition and of different sizes via diffusion in the matrix. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：166 / 174

页数：9

共 38 条

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