Mechanism of enhanced vaporization from molten metal surface by argon-hydrogen Arc plasma

研究成果: ジャーナルへの寄稿記事

7 引用 (Scopus)

抄録

A DC arc with hydrogen addition is one of the promising routes to prepare nanoparticles with high productivity. The purpose of this study is to investigate the mechanism of vaporization enhancement of a particular metal from a molten metal mixture by the DC arc method with hydrogen addition. The selective enhanced vaporization of Sn from a Sn-Ag molten mixture by an Ar-H2 arc was confirmed. Spectroscopic measurements were conducted to investigate the vaporization mechanism on the anode boundary region. The obtained results indicated that Sn was mainly vaporized as SnH from the molten Sn-Ag mixture, which decomposed to H and Sn vapor soon after SnH was vaporized. The mechanism of the vaporization enhancement of particular metal from a molten metal mixture by an Ar-H2 arc is mainly attributed to the formation of the metal hydride.

元の言語英語
記事番号076201
ジャーナルJapanese Journal of Applied Physics
52
発行部数7 PART 1
DOI
出版物ステータス出版済み - 1 2013
外部発表Yes

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Liquid metals
Vaporization
plasma jets
metal surfaces
Argon
arcs
argon
Plasmas
Hydrogen
hydrogen
metals
Molten materials
Metals
direct current
metal hydrides
augmentation
productivity
Hydrides
Anodes
anodes

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

これを引用

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abstract = "A DC arc with hydrogen addition is one of the promising routes to prepare nanoparticles with high productivity. The purpose of this study is to investigate the mechanism of vaporization enhancement of a particular metal from a molten metal mixture by the DC arc method with hydrogen addition. The selective enhanced vaporization of Sn from a Sn-Ag molten mixture by an Ar-H2 arc was confirmed. Spectroscopic measurements were conducted to investigate the vaporization mechanism on the anode boundary region. The obtained results indicated that Sn was mainly vaporized as SnH from the molten Sn-Ag mixture, which decomposed to H and Sn vapor soon after SnH was vaporized. The mechanism of the vaporization enhancement of particular metal from a molten metal mixture by an Ar-H2 arc is mainly attributed to the formation of the metal hydride.",
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AB - A DC arc with hydrogen addition is one of the promising routes to prepare nanoparticles with high productivity. The purpose of this study is to investigate the mechanism of vaporization enhancement of a particular metal from a molten metal mixture by the DC arc method with hydrogen addition. The selective enhanced vaporization of Sn from a Sn-Ag molten mixture by an Ar-H2 arc was confirmed. Spectroscopic measurements were conducted to investigate the vaporization mechanism on the anode boundary region. The obtained results indicated that Sn was mainly vaporized as SnH from the molten Sn-Ag mixture, which decomposed to H and Sn vapor soon after SnH was vaporized. The mechanism of the vaporization enhancement of particular metal from a molten metal mixture by an Ar-H2 arc is mainly attributed to the formation of the metal hydride.

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