Co-Fe-Gd合金系非晶形成能力的热力学研究

材料热处理学报, 2013, 34(12): 196-200.

Co-Fe-Gd合金系非晶形成能力的热力学研究

王嵬 ^1, , 王楠 ^2, , 张万友 ^3, , 郭博闻 ^4, , 郭翠萍 ^5,

1.东北电力大学化学工程学院,吉林吉林132012

2.东北电力大学化学工程学院,吉林吉林132012

3.东北电力大学化学工程学院,吉林吉林132012

4.东北电力大学化学工程学院,吉林吉林132012

5.北京科技大学材料科学与工程学院,北京100083

基金项目: 东北电力大学博士科研基金资助(11139)

关键词： Co-Fe-Gd非晶合金 , CALPHAD技术 , 玻璃形成能力

Thermodynamic investigation on glass-forming ability of Co-Fe-Gd alloy system

WANG Wei ^1, , WANG Nan ^2, , ZHANG Wan-you ^3, , GUO Bo-wen ^4, , GU Cui-ping ^5,

1.东北电力大学化学工程学院,吉林吉林132012

2.东北电力大学化学工程学院,吉林吉林132012

3.东北电力大学化学工程学院,吉林吉林132012

4.东北电力大学化学工程学院,吉林吉林132012

5.北京科技大学材料科学与工程学院,北京100083

Keywords： Co-Fe-Gd amorphous alloy , CALPHAD technique , glass-forming ability (GFA)

在Co-Fe-Gd三元系合金体系的热力学优化评估的基础之上,应用CALPHAD技术,研究此三元非晶合金的玻璃形成能力.本文分析了800 K时Co-Fe-Gd合金中各元素含量对非晶形成能力的影响,预测了非晶形成的最优成分,计算过冷液相中的结晶相形成驱动力.通过与部分实验和非晶共晶点准则的比较可见,本文所做的热力学分析对此三元合金的非晶制备具有一定的理论指导意义.

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材料期刊网

Co-Fe-Gd合金系非晶形成能力的热力学研究

Thermodynamic investigation on glass-forming ability of Co-Fe-Gd alloy system

参考文献