rf‐induction plasma apparatus for generating submicron particles of metals

A unique apparatus is described for generating submicron particles of metals over a narrow‐size distribution range. Coarse particles of the metal were injected into the tail flame of an argon rf‐induction plasma torch, where they were vaporized. The vapor was gas quenched, producing a metallic smoke...

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Bibliographic Details
Published in:Review of scientific instruments 1989-07, Vol.60 (7), p.1328-1333
Main Authors: Barmore, W. L., Hrubesh, L. W., Keene, L. E., Raymond, E. L.
Format: Article
Language:English
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Summary:A unique apparatus is described for generating submicron particles of metals over a narrow‐size distribution range. Coarse particles of the metal were injected into the tail flame of an argon rf‐induction plasma torch, where they were vaporized. The vapor was gas quenched, producing a metallic smoke of fine spheroidal particles. The system collection units separated the fine particles (∼0.3‐μm diameter) from the heavier particles (≥1‐μm diameter) while the material was finely dispersed and moving in the gas stream.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1140986