NEAR-NET FORGING OF CAST METAL PART
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United States of America Patent
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Issued Date -
Nov 21, 2019
app pub date -
May 17, 2018
filing date -
May 17, 2018
priority date (Note) -
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Abstract
A method for use in manufacturing a metal part is provided. The method may include casting liquid metal in a ceramic mold. The ceramic mold may be formed via an investment casting process in which a wax mold is used to as a form for the ceramic mold, and the wax is melted away from the ceramic mold prior to its use. The method may further include cooling the liquid metal in the ceramic mold to form a solid metal part, and then divesting the ceramic mold to release the metal part. The metal part may include an imperfection in a shape of the metal part. To correct the imperfection, the method may include shaping the metal part by near-net shape forging.
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