Mechanical alloying of immiscible elements: Ag-Fe contrasted with Cu-Fe

被引：108
|
作者：
Ma, E [1 ]
He, JH [1 ]
Schilling, PJ [1 ]
机构：
[1] LOUISIANA STATE UNIV,DEPT ENGN MECH,BATON ROUGE,LA 70803
来源：
PHYSICAL REVIEW B | 1997年 / 55卷 / 09期
关键词：
D O I：
10.1103/PhysRevB.55.5542
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Extended x-ray-absorption fine-structure analysis demonstrates that the Cu-Fe and Ag-Fe systems, both immiscible in equilibrium, exhibit contrasting alloying behavior when subjected to mechanical milling. While Cu-Fe undergoes atomic-level alloying forming solid solutions, Ag-Fe remains largely unreacted. The alloying behavior observed is explained based on a model for a dynamic system, combining both the effects of externally driven mixing and thermal evolution under the thermodynamic driving force prevailing in a ball-milled mixture.
引用
收藏
页码：5542 / 5545
页数：4
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