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Title:
CRUCIBLE FOR MELTING RARE EARTH ALLOY
Document Type and Number:
Japanese Patent JP2003185346
Kind Code:
A
Abstract:

To provide a crucible for melting rare earth alloy capable of elongat ing the life with little erosion even when the rare earth alloy is melted therein, and a yield rate of the alloy can be improved.

A layer including rate earth metallic oxide is formed on a part kept into contact with at least a rare earth alloy of the refractory forming a crucible body, and the refractory layer is porous, and includes at least one kind of alumina, magnesia and zirconia.


Inventors:
Nishio, Koji
Mizukami, Hideo
Matsuo, Toru
Application Number:
JP2001000389707
Publication Date:
July 03, 2003
Filing Date:
December 21, 2001
Export Citation:
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Assignee:
SUMITOMO METAL IND LTD
International Classes:
C04B41/85; C04B41/87; F27B14/10; (IPC1-7): F27B14/10; C04B41/85; C04B41/87
Attorney, Agent or Firm:
広瀬 章一



 
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