Study of the thermodynamic mechanism of the crystallization of amorphous Fe-Mo-Si-B alloy with a diffusion reaction at the surface

被引：0
|
作者：
Yao, B [1 ]
Hao, YY [1 ]
Wang, AM [1 ]
Guo, WQ [1 ]
Ding, BZ [1 ]
Liu, HZ [1 ]
Hu, ZQ [1 ]
机构：
[1] SHENYANG INST TECHNOL,SHENYANG 110015,PEOPLES R CHINA
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 1996年 / 207卷
关键词：
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The crystallization of amorphous (Fe0.99Mo0.01)(78)Si9B13 (FMSB) alloy, with and without a diffusion reaction with Al at their surfaces, was studied under pressures from 3 to 5 GPa at a temperature range of 780 to 930 K. With a diffusion reaction the alloy transformed into alpha-Fe(Al) solid solution at 4 GPa and alpha-Fe(Mo,Si) solid solution, (Fe,Mo)(3)B or Fe2B at other pressures. However, without the reaction the crystalline products alloy were alpha-Fe(Mo,Si), (Fe,Mo)(3)B or Fe2B in this pressure range. On the basis of thermodynamic theory, the change of the Gibbs' free energies of the alpha-Fe(Al) and alpha-Fe(Mo,Si) with pressure is given, and a crystallization mechanism is suggested.
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页码：554 / 558
页数：5
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