Method for producing spheroidal graphite cast iron and vehicle component using said spheroidal graphite cast iron

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United States of America Patent

PATENT NO 9556498
APP PUB NO 20140271330A1
SERIAL NO

14349727

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Abstract

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A method for producing spheroidal graphite cast iron having a specific final composition includes: subjecting a molten iron to a spheroidization treatment using a spheroidizing agent of an Fe—Si—Mg—Ca-based alloy containing no rare earth element; conducting an inoculation treatment using a first Fe—Si-based inoculant; and conducting a pouring inoculation treatment with a given amount of a second Fe—Si-based inoculant containing 45-75% of Si, 1-3% of Ca, and 15 ppm or less of Ba.

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Patent Owner(s)

Patent OwnerAddress
AKEBONO BRAKE INDUSTRY CO LTDTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baba, Tsukasa Tokyo, JP 14 4
Horiya, Takao Tokyo, JP 4 8
Idei, Hiroshi Tokyo, JP 19 82
Sato, Takashi Tokyo, JP 973 9680
Tokiyama, Takuya Tokyo, JP 2 3

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