Grain-boundary diffusion in nanocrystals with a time-dependent diffusion coefficient

被引：26
|
作者：
Nazarov, AA [1 ]
机构：
[1] Russian Acad Sci, Inst Problems Met Superplast, Ufa 450001, Bashkortostan, Russia
来源：
PHYSICS OF THE SOLID STATE | 2003年 / 45卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.1583809
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A solution to the equation of grain-boundary diffusion is obtained under conditions where migration of the diffusant from the boundaries into the grains is absent and the diffusion coefficient decreases with time from an increased value to a value characteristic of equilibrium grain boundaries. The specific features of the grain-boundary diffusion in nanocrystals are qualitatively analyzed in terms of this solution. (C) 2003 MAIK "Nauka/Interperiodica".
引用
收藏
页码：1166 / 1169
页数：4
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