Characterization of mechanical nanocrystallization process of amorphous Fe-Mo-Si-B alloy by transmission Mossbauer spectroscopy

被引：4
|
作者：
Liu, XD [1 ]
Guo, FQ [1 ]
Lu, K [1 ]
Umemoto, M [1 ]
机构：
[1] ACAD SINICA,INST MET RES,STATE KEY LAB RSA,SHENYANG 110015,PEOPLES R CHINA
来源：
JOURNAL OF MATERIALS RESEARCH | 1997年 / 12卷 / 03期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1557/JMR.1997.0102
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The nanocrystallization process of the amorphous Fe-Mo-Si-B alloy under ball milling is characterized by means of transmission Mossbauer emission spectroscopy (TMES) in the present paper. It was found that a single alpha-Fe phase with the bcc structure is formed under ball-milling the amorphous Fe-Mo-Si-B alloy. A significant increase in the relative area of the subspectra of 8Fenn and 7Fenn and a remarkable decrease in isomer shift and half linewidth of the subspectra of various Fe configurations, especially in the case of 6Fenn, were observed during the ball-milling process. The diffusion of metalloid atoms from the bcc alpha-Fe phase to the remaining amorphous phase and alpha-Fe/alpha-Fe grain boundaries is suggested to occur during the mechanical crystallization of the current amorphous alloy based on the above TMES investigations.
引用
收藏
页码：681 / 687
页数：7
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