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

页码：5542 / 5545

页数：4

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