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Noncontact thermophysical property measurement of liquid cerium by electrostatic levitation

Published online by Cambridge University Press:  31 January 2011

Jianqiang Li ,
Takehiko Ishikawa ,
Junpei T. Okada ,
Yuki Watanabe ,
Jianding Yu ,
Shinichi Yoda  and
Zhangfu Yuan
Jianqiang Li*
Affiliation:
Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505, Japan; and State Key Laboratory of Multiphase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
Junpei T. Okada
Affiliation:
Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505, Japan
Yuki Watanabe
Affiliation:
Advanced Engineering Services Co. Ltd., Tsukuba, Ibaraki 305-0032, Japan
Shinichi Yoda
Affiliation:
Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505, Japan
Zhangfu Yuan
Affiliation:
State Key Laboratory of Multiphase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
*
a) Address all correspondence to this author. e-mail: jqli@home.ipe.ac.cn
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Abstract

The knowledge of thermophysical properties of active metals is critical to understand their metallurgical processes and further industrial applications. However, due to high reactivity and melt contamination from a crucible and gaseous environment, accurate values of the properties are hard to obtain using conventional methods such as the sessile-drop method. In the present study, a vacuum electrostatic levitator was used to circumvent these difficulties and enabled the noncontact determination of thermophysical properties of liquid cerium even in an undercooled state. The data of density, surface tension, and viscosity of molten cerium were reported, as well as their temperature dependence.

Keywords

CeLiquidMetal
Type
Rapid Communications
Information
Journal of Materials Research , Volume 24 , Issue 7 , July 2009 , pp. 2449 - 2452
Copyright
Copyright © Materials Research Society 2009

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