Effect of Cerium on the Viscosity of Liquid Fe-C Alloy of Eutectic Content

被引：0
|
作者：
滕新营
叶以富Key Laboratory of Liquid Structure and Heredity of Materials
Ministry of Education
South Campus of Shandong University
刘含莲
王焕荣
石志强
耿浩然
机构：
[1] Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, South Campus of Shandong University,College of Mechanical Engineering, Shandong University,Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Educat
[2] College of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China ,Jinan 250061, China ,Jinan 250061,China ,Jinan 250061,China ,Jinan 250061,China
来源：
Journal of Rare Earths | 2002年 / 06期
关键词：
rare earths; cerium; viscosity; liquid eutectic Fe-C alloy;
D O I：
暂无
中图分类号：
TG146 [有色金属及其合金];
学科分类号：
080502 ;
摘要：
The viscosities of liquid Fe-4.30C and Fe-4.30C-Ce alloys were measured by oscillating crucible viscometer. The results show that viscosity of Fe-4.30C alloy changes from 5.50 to 8.30 MPa·s when the liquid is cooled from 1425 ℃ to the melting point. The abnormity of viscosity of Fe-4.30C alloy near the melting point is reasonable due to the formation of graphite. The addition of cerium especially with content higher than 0.21% causes an evidently decrease in viscosity for eutectic alloy resulting from increase of free volume and size decrease of atom cluster in the liquids. It can be concended that the existence of C-Ce compound contributes to the discontinuous of viscosity at 1340～1370 ℃ for the Fe-4.30C-Ce alloy by experinments with differential scanning calorimeter.
引用
收藏
页码：630 / 634
页数：5
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