Specifications of a ground-based electrostatic levitation furnace and applications to the study of liquid properties

Yasutomo Arai, Naokiyo Koshikawa, Takehiko Ishikawa, Paul Francois Paradis, Tomotsugu Aoyama, Shinichi Yoda, Jianding Yu, Tadahiko Masaki, Hirokatsu Aoki

研究成果: Article査読

3 被引用数 (Scopus)

抄録

From 1997, the National Space Development Agency of Japan (NASDA) metastable research team has studied containerless materials processing to establish undercooled and nucleation processing techniques for oxides and high-melting-temperature metals as a preparation for flying the electrostatic levitation furnace on the International Space Station. This crucible-less facility allows samples to be deeply undercooled while avoiding nucleation on the sample surface. It allows not only precise measurements of the thermophysical properties of molten sample, but also permits material processing from the undercooled state. Of the four levitation techniques (acoustic, electromagnetic, electrostatic, aerodynamic), NASDA has concentrated on the development of an electrostatic levitation system, both for use in the ISS and for fundamental research on the ground. A promising containerless experiment of a ceramic oxide using the electrostatic containerless furnace under the microgravity condition offered by a sounding rocket (TR-IA No. 7) was also carried out in 1998 and is addressed in this paper. A novel aerodynamic levitation system was developed to adopt the drop tube which gave smooth cooling curves for molten Y3Al5O12 (YAG) sample.

本文言語English
ページ(範囲)314-318
ページ数5
ジャーナルJournal of Non-Crystalline Solids
312-314
DOI
出版ステータスPublished - 2002 10月
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • 凝縮系物理学
  • 材料化学

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