Title:
鋳造アルミニウム製品又はマグネシウム製品用の細粒化剤
Document Type and Number:
Japanese Patent JP2004514564
Kind Code:
A
Abstract:
The invention relates to a grain refining agent for cast aluminum or magnesium products, comprising particles having an average particle size of 0.1 to 30 mum and each formed of an agglomerate of grains with each grain comprising a nanocrystal of a transition metal boride or carbide of the formula: MeaXb (I) wherein Me is a transition metal, X is boron or carbon, a ranges from 1 to 10 and b ranges from 1 to 20. The grain refining agent according to the invention does not require to be formed into a master alloy prior to being added to the molten aluminum or magnesium to be cast.
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Inventors:
Boali Sabin
Bruin Marco
Bruin Marco
Application Number:
JP2002548200A
Publication Date:
May 20, 2004
Filing Date:
December 07, 2001
Export Citation:
Assignee:
Group Minutia Inc.
International Classes:
B02C17/04; B02C17/14; B22D27/20; C01B32/921; B02C17/00; C01B35/04; C04B35/56; C04B35/58; C22C1/06; (IPC1-7): B22D27/20; B02C17/00; B02C17/04; B02C17/14
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda