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Title:
MOLD FOR METAL CASTING, AND CASTING METHOD USING THE SAME
Document Type and Number:
Japanese Patent JP2009142878
Kind Code:
A
Abstract:

To provide a mold for metal casting which achieves the elongation of its service life and the reduction in the defect of the appearance in the obtained ingot by improving the adhesion between a casting face and a release agent, and to provide a casting method using the same.

The whole face of the casting face in a mold for metal casting is provided with ruggedness with the surface roughness Rmax of 0.1 to 1.0 mm, the casting face is coated with a carbon based release agent, and thereafter, molten metal is poured therein. Alternatively, the whole face of the casting face in the mold for metal casting is provided with ruggedness with the surface roughness Rmax of 0.1 to 1.0 mm, the casting face is coated with a silicon based release agent, and thereafter, molten metal is poured therein.


Inventors:
KUROKAWA HARUMASA
NAKAMURA SOJI
Application Number:
JP2007324960A
Publication Date:
July 02, 2009
Filing Date:
December 17, 2007
Export Citation:
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Assignee:
SUMITOMO METAL MINING CO
International Classes:
B22C9/06; B22C3/00
Domestic Patent References:
JPS55139138A1980-10-30
JP2007144499A2007-06-14
JP2004174581A2004-06-24
JP2003275845A2003-09-30
JP2002336935A2002-11-26
JPS56154253A1981-11-28
JP2006272352A2006-10-12
Attorney, Agent or Firm:
Kameda Tetsuaki



 
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