Method for producing shaped article of aluminum alloy, shaped aluminum alloy article and production system

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United States of America Patent

PATENT NO 8828157
APP PUB NO 20070144629A1
SERIAL NO

10583040

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Abstract

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A method for producing an aluminum-alloy shaped product, includes a step of forging a continuously cast rod of aluminum alloy serving as a forging material, in which the aluminum alloy contains Si in an amount of 10.5 to 13.5 mass %, Fe in an amount of 0.15 to 0.65 mass %, Cu in an amount of 2.5 to 5.5 mass % and Mg in an amount of 0.3 to 1.5 mass %, and heat treatment and heating steps including a step of subjecting the forging material to pre-heat treatment, a step of heating the forging material during a course of forging of the forging material and a step of subjecting a shaped product to post-heat treatment, the pre-heat treatment including treatment of maintaining the forging material at a temperature of −10 to 480° C. for two to six hours.

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Patent Owner(s)

  • SHOWA DENKO K.K.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okamoto, Yasuo Kitakata, JP 49 377

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