Influence of ball-milling on the oxidation behavior of Ag-Zn alloy powders

被引：2
|
作者：
Yi, D. Q. [1 ]
Wu, C. P. [1 ]
Goto, S. [2 ]
Xu, C. H. [1 ]
Li, J. [1 ]
Wang, B. [1 ]
Xiao, L. R. [1 ]
Zheng, F. [1 ]
机构：
[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China
[2] Akita Univ, Fac Engn & Resource Sci, Akita 0108502, Japan
来源：
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2010年 / 61卷 / 07期
关键词：
ELECTRICAL CONTACT MATERIALS;
D O I：
10.1002/maco.200905334
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The gas atomized Ag-15.2 at% Zn alloy powders were treated using ball-milling. The effect of ball-milling on surface morphology, microstructure, and oxidation behavior of the alloy powders was investigated. The results showed that ball-milling treatment enhanced the oxidation rate of Ag-Zn alloy powders due to the increase of dislocation density and the decrease of the diffusion distance of oxygen during internal oxidation. The fully oxidized time of Ag-Zn alloy powders decreases with the ball-milling time. In addition, the ball-milling treatment not only changes the oxidation mechanism but also improves microstructure and properties of the Ag-ZnO materials fabricated by internal oxidation.
引用
收藏
页码：590 / 598
页数：9
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