Phase relation of Sm-Fe-V alloys around the compound Sm-3(Fe,V)(29)

被引：18
|
作者：
Sugimoto, S
Shimono, T
Nakamura, H
Kagotani, T
Okada, M
Homma, M
机构：
[1] Department of Materials Science, Faculty of Engineering, Tohoku University
来源：
MATERIALS TRANSACTIONS JIM | 1996年 / 37卷 / 03期
关键词：
phase relation; Sm-3(Fe; V)(29); compound; isothermal section; microstructure; annealing; X-ray diffraction; SEM-EDX;
D O I：
10.2320/matertrans1989.37.494
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Phase relations in the Sm-Fe-V system, especially around the compound Sm-3(Fe,V)(29), have been studied. Isothermal sections of the iron-rich corner of the Sm-Fe-V system were constructed from X-ray diffraction studies and microstructural observations. alpha-(Fe,V), gamma-(Fe,V), Sm-2(Fe,V)(17), Sm(Fe,V)(12) and liquid phases are present near the Sm-3(Fe,V)(29) compound after annealing at 1100 degrees C. However, nearly single phase Sm-3(Fe,V)(29) can be obtained with an alloy of composition Sm9.5Fe83.5V7. The solid solubility of Sm in Sm-3(Fe,V)29 compound is very small, but that of V is in the range 5.6 at% to 9.2 at%. The liquid phase region expands to the lower V content with increasing annealing temperature, leading to a decreasing V content in the Sm(Fe,V)(12) compound at high temperature.
引用
收藏
页码：494 / 498
页数：5
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