METHOD FOR MANUFACTURING HOT-FORGED MEMBER
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United States of America Patent
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Issued Date -
Mar 2, 2023
app pub date -
Mar 12, 2021
filing date -
Mar 13, 2020
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Abstract
Provided is a method for manufacturing a hot-forged member, the method enabling efficient hot forging while preventing defects such as cracks even when a poor workability alloy is used as a material to be hot forged. A method for manufacturing a hot-forged member, comprising: a heating step of heating an unheated material for hot forging in a furnace to a hot forging temperature; a heat-resistant insulation material bonding step of bonding a heat-resistant insulation material to at least a part of a surface of a material for forging removed from the furnace to obtain a material to be hot forged; and a hot forging step of compressing a part or all of the material to be hot forged into a predetermined shape using any of a die, an anvil, and a tool.
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