Aluminum cast -forged product and method for manufacturing aluminum cast-forged product
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United States of America Patent
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Issued Date -
Nov 11, 2004
app pub date -
Sep 9, 2002
filing date -
Sep 9, 2002
priority date (Note) -
Abandoned
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Abstract
This invention is directed to a method for manufacturing an aluminum cast-forged product by forging a preform made of a material for forging obtained by casting a material for forging of an aluminum alloy, and an aluminum cast-forged product produced thereby. Forming is performed by heating the preform made of a material for forging at a temperature of from approximately 450.degree. C. to a melting point of the alloy. In this method, a recycled material may be used as a starting material, and some omission of the steps may be possible. There is provided a method for manufacturing an aluminum cast-forged product having excellent mechanical properties, such as, a higher tensile strength, higher proof stress, higher elongation, and the like with a lower production cost.
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