Tool for producing cast components, method for producing said tool, and method for producing cast components
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United States of America Patent
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Jun 24, 2008
Grant Date -
Feb 15, 2007
app pub date -
Sep 23, 2004
filing date -
Oct 9, 2003
priority date (Note) -
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Abstract
A tool and method for production of a cast component from molten titanium alloy. The tool includes a casting mold, wherein at least one mold wall area of the casting mold, which comes into contact with the molten titanium alloy, is made of yttrium oxide, magnesium oxide and calcium oxide. The casting mold includes at least first and second layers, the first layer forming a mold wall area which comes into contact with the molten titanium alloy and the second layer forming a backfilling stabilization area for the mold wall area. Both the first layer and the second layer is formed of yttrium oxide, magnesium oxide and calcium oxide. In addition, the second layer, which backfills the first layer, has less yttrium oxide and is more coarsely grained than the first layer.
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