Title:
Mg ALLOY, AND CASTING METHOD OR FORGING METHOD OF THE SAME
Document Type and Number:
Japanese Patent JP2007046071
Kind Code:
A
Abstract:
To obtain an Mg-alloy casting or forging in which Fe content is decreased to a value lower than 0.002 wt.%.
An Mg alloy raw material thrown into a melting furnace 3 is melted to undergo component regulation, subjected to temperature fall down to about 630°C, allowed to stand for at least 30 min and then tapped. The resultant molten metal discharged from the melting furnace 3 is cooled while flowing down along an inclined cooling body 8 to form crystal nuclei (primary crystals), flows down while growing crystals and is grown into granular state in a tundish 9 to form semisolid slurry. The semisolid slurry in the tundish 9 is fed into a water-cooled mold 11, and an Mg-alloy billet 13 is continuously manufactured by this water-cooled mold 11.
Inventors:
MOGI TETSUICHI
UENO SATORU
YOSHIHARA KIYOTAKA
UENO SATORU
YOSHIHARA KIYOTAKA
Application Number:
JP2005228699A
Publication Date:
February 22, 2007
Filing Date:
August 05, 2005
Export Citation:
Assignee:
CHUO KOSAN KK
ADOKO KOKI KK
ADOKO KOKI KK
International Classes:
C22C23/02; B22D1/00; B22D7/00; B22D11/00; B22D17/00; B22D21/04; B22D35/06; B22D37/00
Domestic Patent References:
| JPH0849025A | 1996-02-20 | |||
| JPH08187547A | 1996-07-23 | |||
| JPH11104800A | 1999-04-20 | |||
| JPH08157981A | 1996-06-18 | |||
| JP2001252759A | 2001-09-18 |
Attorney, Agent or Firm:
Masashi Hirai
Kozu Sako
Kozu Sako