Method for grain refinement of magnesium alloy castings

United States of America Patent

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Issued Date
Dec 30, 2004
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Apr 23, 2004
filing date
Apr 25, 2003

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Abstract

A method for grain refinement of magnesium alloy castings includes adding graphite (C) powder and manganese dioxide (MnO.sub.2) to a melt of magnesium alloy containing aluminum (Al) and manganese (Mn) to finely divide crystal grains of a cast structure.

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Patent Owner	Address
YOSHIHARA KIYOTAKA	15-2 HIGASHICHUO 2-CHOME FUKUSHIMA-SHI FUKUSHIMA 960-8071
SEIKO IDEA CENTER CO LTD	SHINJUKU BLDG 4-10 YOTUYA SHINJUKU-KU TOKYO
MOTEGI TETSUICHI	FUNABASHI-SHI CHIBA

International Classification(s)

C22B:PRODUCTION OR REFINING OF METALS

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Inventor Name	Address	# of filed Patents	Total Citations
Kikuchi, Tetsuo	Yuki-shi, JP	195	1500
Motegi, Tetsuichi	Funabashi-shi, JP	10	57
Yoshihara, Kiyotaka	Fukushima-shi, JP	6	10

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Method for grain refinement of magnesium alloy castings

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10829953

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