Thermodynamic state and kinetic process: Analysis of grain boundary excess in nano-scale grain growth

被引：6
|
作者：
Zhang, K. [1 ]
Chen, Z. [1 ]
Liu, F. [1 ]
Yang, G. C. [1 ]
机构：
[1] NW Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 501卷 / 01期
关键词：
Nanocrystalline; Grain boundary energy; Segregation; Drag force; Grain growth; SIZE-DEPENDENT SOLUTE; NANOCRYSTALLINE MATERIALS; SOLID-SOLUTION; SEGREGATION; ALLOYS; DRAG; STABILIZATION; STABILITY; METALS; ENERGY;
D O I：
10.1016/j.jallcom.2010.04.050
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Derivation for grain boundary (GB) energy at thermodynamic equilibrium is reviewed. On this basis, the evolution of GB excess and bulk concentration with grain growth, and the relation between thermodynamic state and kinetic process have been discussed, for nanocrystalline materials. A concise description for the stop of grain growth is given in terms of thermodynamic and kinetic analysis. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：L4 / L7
页数：4
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