The Effects of Fe2P and Fe3P Intermediate Equilibrium Phases on Glass-Forming Ability of Fe76Si9B10P5 Bulk Metallic Glass

被引：3

作者：

Takeuchi, Akira ^{[1
]}

Makino, Akihiro ^{[1
]}

机构：

[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

MATERIALS TRANSACTIONS | 2014年 / 55卷 / 10期

关键词：

bulk metallic glasses; glass forming ability; phase diagram; thermodynamic calculation; SOFT-MAGNETIC PROPERTIES; SUPERCOOLED LIQUID REGION; ALLOYS; ELEMENTS;

D O I：

10.2320/matertrans.M2014148

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The glass-forming ability (GFA) of an Fe26Si9B10P5 bulk metallic glass (BMG) was evaluated thermodynamically with commercial software, Thermo-Calc, with Fe-base database, TCFE7 by utilizing its best ability to deal with equilibrium phases. The Fe26Si9B10P3 BMG was selected because it is the simplest Fe-rich BMG belonging to Fe-metalloid type with the greatest sample dimensions. A possible reason for the presence of intermediate equilibrium phases to degrade GFA of the Fe26Si9B10P3 was discussed. The results revealed that the Fe26Si9B10P5 BMG is characterized by near eutectic composition in the Fe-rich Fe-Si-B-P quaternary system and by the simultaneous presence of Fe3P and absence of Fe2B phases in equilibrium at a range below the solidus- to the glass-transition temperatures. The analysis of Fe-26(Si,B,P)(24) alloys for equilibrium phases revealed that the Fe2P phase can degrade GFA of the Fe26Si9B10P5 BMG.

引用

页码：1575 / 1581

页数：7

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