Title:
COLD CRUCIBLE MELTING METHOD AND APPARATUS
Document Type and Number:
Japanese Patent JP2008111185
Kind Code:
A
Abstract:
To provide a cold crucible melting method capable of efficiently producing an alloy molten metal of a prescribed uniform composition and thus producing an alloy ingot of a prescribed uniform composition, by using a relatively inexpensive apparatus that can be easily upsized, and a cold crucible melting apparatus used in the cold crucible melting method.
Above a furnace body composing the cold crucible melting apparatus, an added metal material is held in a vertically movable manner. The bottom end of the added metal material is dipped into a molten metal of a base metal material, which is levitation-melted in the furnace body, to melt a required amount of the added metal material into the molten metal of the base metal material.
Inventors:
OKUMURA TEPPEI
MURASE YOSHIMI
AKIYOSHI TETSUO
ANAYAMA KOJI
MURASE YOSHIMI
AKIYOSHI TETSUO
ANAYAMA KOJI
Application Number:
JP2007156206A
Publication Date:
May 15, 2008
Filing Date:
June 13, 2007
Export Citation:
Assignee:
DAIDO STEEL CO LTD
International Classes:
C22B9/22; F27B14/06; F27D3/12; F27D11/06; C22C14/00
Attorney, Agent or Firm:
Hiromasa Iriyama