INGOT-MAKING METHOD FOR HALF-SOLIDIFIED METAL

Title:

INGOT-MAKING METHOD FOR HALF-SOLIDIFIED METAL

Document Type and Number:

Japanese Patent JPH07148550

Kind Code:

A

Abstract:

PURPOSE: To obtain a good quality cast ingot having soundness, fine structure and a little segregation without cast defect from the ingot-making of a half- solidified metal.

CONSTITUTION: The half-solidified metal is supplied into a mold in which a feeder head and a riser are communicated with a casting space, the inclination of a half-solidified metal slurry receiving part 4 in a pouring hole to the dropping flow of the slurry is 35-55°, a chill plate 5 is arranged at the bottom wall in the casting space and a gas exhaust inclination is provided at the top wall 6 thereof, to execute the ingot-making. Further, the solid phase ratio of the supplied half-solidified metal slurry is specified to 0.05-0.40 and the supplying speed to 5-100l/min.

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Inventors:

MURATA YASUYUKI
YOSHIDA CHISATO
HIRONAKA KAZUSATO
NIIDE TSUKASA

Application Number:

JP29993393A

Publication Date:

June 13, 1995

Filing Date:

November 30, 1993

Export Citation:

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Assignee:

LEOTEC KK

International Classes:

B22D1/00; B22D7/00; B22D7/10; (IPC1-7): B22D7/10; B22D1/00; B22D7/00

Attorney, Agent or Firm:

Akihide Sugimura (5 outside)

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