Thermodynamic prediction of the composition of Fe-based amorphous alloys

被引：0
|
作者：
REN Yuping1
机构：
来源：
Rare Metals | 2007年 / 05期
基金：
中国国家自然科学基金;
关键词：
Fe-Nb-B ternary system; amorphous composition prediction; thermodynamic calculation; eutectic point;
D O I：
暂无
中图分类号：
TB333 [金属－非金属复合材料];
学科分类号：
0805 ; 080502 ;
摘要：
The liquidus univariant lines of the Fe-Nb-B ternary system have been thermodynamically calculated by means of CALPHAD method and Fe-based thermodynamic data. It is found that there are two eutectic reactions in the Fe-rich corner,that is,(1) L(Fe-3Nb-15B) →α+γ+ M2B (1430 K),and (2) L(Fe-10Nb-27B) → FeB + Lc14 + M2B (1575 K). Moreover,the eutectic points are very close to the compositions with high glass forming ability determined experimentally. This means that it is feasible to design the compositions of multicomponent bulk metallic glasses by looking for the eutectic points in the Fe-Nb-B system by means of thermodynamic calculation.
引用
收藏
页码：504 / 507
页数：4
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