CERAMIC CASTING CORE MADE BY ADDITIVE MANUFACTURING
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United States of America Patent
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Oct 29, 2015
app pub date -
Apr 16, 2015
filing date -
Apr 24, 2014
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Abstract
A method of making a ceramic casting core involves using additive manufacturing to form a 3D ceramic casting core that includes an outer core body surface layer that exhibits reduced chemical reactivity with the molten metal or alloy being cast, wherein the ceramic body and the outer core body layer each comprises a layer-on-layer structure in a build direction of the ceramic casting core resulting from the additive manufacturing process, such as 3D printing.
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