Processes of microstructure coarsening at liquid phase sintering

被引：3

作者：

Anestiev, L ^{[1
]}

Froyen, L ^{[1
]}

机构：

[1] Fac Toegepaste Wetenschappen, Dept MTM, B-3001 Heverlee, Belgium

来源：

PHYSICAL REVIEW E | 2000年 / 61卷 / 06期

关键词：

D O I：

10.1103/PhysRevE.61.6721

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A different approach to the theoretical description of the classical theory of Ostwald ripening at liquid phase sintering has been proposed. The model developed in the present approach is based on an equation describing the growth kinetics of the particles, which is different from those used until now. The model developed here accounts automatically fur the influence of the initial volume fraction and predicts correctly: the time dependence of <(rho)over bar> at t-->infinity- <(rho)over bar>(3)(t) - <(rho)over bar>(3)(0)=Kt; the form of the distribution function after considerable coarsening time; the experimentally observed values for the relation rho(max)/<(rho)over bar> and the phenomena of "abnormal growth'' at liquid phase sintering.

引用

页码：6721 / 6731

页数：11

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