Moldless/coreless single crystal castings of nickel-aluminide
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United States of America Patent
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May 17, 1994
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N/A
app pub date -
Feb 18, 1992
filing date -
Feb 18, 1992
priority date (Note) -
Expired
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Abstract
Disclosed is a method of making moldless/coreless single crystal castings of NiAl(.beta.') alloys. Drops of molten NiAl(.beta.') alloy is deposited on a starter seed block of single crystal alloy and casting structures are epitaxially grown to predetermined configurations and shapes by repeatedly dropping and solidifying molten NiAl(.beta.') materials.
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