Ductile iron composition and process of forming a ductile iron component

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United States of America Patent

PATENT NO 10662510
APP PUB NO 20170314105A1
SERIAL NO

15142732

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Abstract

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A ductile iron composition including, by weight:

    about 3.1% to about 3.6% C;about 3.5% to about 4.0% Si;about 0.035% to about 0.050% Mg;about 0.001% to about 0.004% Ce;up to about 0.005% Sb;about 0.008% to about 0.016% S;up to about 0.04% P;up to about 0.3% Mn; andbalance iron and incidental impurities;The ductile iron composition includes a ratio of Sb/Ce greater than or equal to about 1.25, has a ferritic microstructure and graphite nodules, and greater than about 65% of the graphite nodules having a highly spherical geometry. A method and apparatus for forming a ductile iron composition are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
GE INFRASTRUCTURE TECHNOLOGY LLC300 GARLINGTON ROAD GREENVILLE SC 29615

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Moore, Brian Victor Niskayuna, US 5 4
Park, Junyoung Greer, US 84 232

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