METHOD AND APPARATUS FOR FORMING AMORPHOUS COATING FILM
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United States of America Patent
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Issued Date -
Oct 1, 2009
app pub date -
Aug 13, 2007
filing date -
Aug 14, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention provides a method and an apparatus for forming, by spraying, a commonly known amorphous coating film, which is not limited to a metallic glass or the like. According to this invention, a flame containing metal particles is ejected toward a base material from a nozzle, such that the material particles are melted with the flame. Thereafter, the melted material particles and flame are cooled before they reach the base material. For this cooling process, a gas is externally ejected toward the flame, such that the gas can gradually approach the central line of the flame. Preferably, the particle size of the material particles in the flame is within a range of 10 to 100 μm.
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