Casting molds for use in directional solidification processes and methods of making
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United States of America Patent
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Nov 13, 2012
Grant Date -
Jul 8, 2010
app pub date -
Jan 6, 2009
filing date -
Jan 6, 2009
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Abstract
Casting molds suitable for directional solidification processes using a liquid cooling bath include a graded facecoat structure on a mold body. The graded facecoat structure includes an innermost layer and a delamination layer, wherein the delamination layer fractures upon cooling of the molten metal so as to separate the mold body from the innermost layer, which remains in contact with or in close proximity to the metal being cast. Also disclosed are directional solidification processes.
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