Spray casting of metallic preforms
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United States of America Patent
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-
Oct 24, 2000
Grant Date -
N/A
app pub date -
Apr 26, 1996
filing date -
Apr 26, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A metal alloy is melted in a crucible and ejected from the bottom of the crucible as a descending stream of molten metal. The descending stream is impacted with a plurality of primary inert gas jets surrounding the molten metal stream to produce a plume of atomized molten metal droplets. An inert gas is blown onto a lower portion of the plume with a plurality of auxiliary inert gas jets to deflect the plume into a more restricted pattern of high droplet density, thereby substantially eliminating unwanted overspray and resulting wasted material. The plume is projected onto a moving substrate to form a monolithic metallic product having generally parallel sides.
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