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Noncontact thermophysical property measurement of liquid cerium by electrostatic levitation

机译：静电悬浮法测量液态铈的非接触热物理性质

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摘要

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.
机译：活性金属的热物理性质知识对于理解其冶金过程和进一步的工业应用至关重要。然而，由于高反应性和来自坩埚和气体环境的熔体污染，使用常规方法如固着滴法难以获得准确的性能值。在本研究中，使用真空静电悬浮器来克服这些困难，即使在过冷状态下也可以非接触式测定液态铈的热物理性质。报告了熔融铈的密度，表面张力和粘度的数据，以及它们的温度依赖性。

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  • 来源
    《Journal of Materials Research》 |2009年第7期|2449-2452|共4页
  • 作者

    Jianqiang Li; Takehiko Ishikawa; Junpei T. Okada; Yuki Watanabe; Jianding Yu; Shinichi Yoda; Zhangfu Yuan;

  • 作者单位

    Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505, Japan State Key Laboratory of Multiphase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;

    Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505, Japan;

    Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505, Japan;

    Advanced Engineering Services Co. Ltd., Tsukuba, Ibaraki 305-0032, Japan;

    Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505, Japan;

    Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505, Japan;

    State Key Laboratory of Multiphase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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