Method of producing sintered and forged member
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United States of America Patent
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Nov 24, 2020
Grant Date -
Nov 15, 2018
app pub date -
May 9, 2018
filing date -
May 15, 2017
priority date (Note) -
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Abstract
A method of producing a sintered and forged member includes a mixing process in which a manganese-containing powder made of Fe—Mn—C—Si containing manganese as a main component, an iron powder made of Fe, a copper powder made of Cu, and a graphite powder made of graphite are mixed together to prepare a mixed powder; a molding process in which the mixed powder is compression-molded into a molded product; a sintering process in which, when the molded product is heated, copper derived from the copper powder and manganese contained in the manganese-containing powder are alloyed, the alloyed copper-manganese alloy is brought into a liquid phase state, and the molded product is sintered to produce a sintered product while elements of the copper-manganese alloy diffuse into an iron base of the molded product; and a process in which the sintered product is forged.
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