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Title:
METHOD AND DEVICE FOR REMOVING INCLUSION IN MOLTEN METAL, AND METALLIC MATERIAL
Document Type and Number:
Japanese Patent JP2011017482
Kind Code:
A
Abstract:

To provide an easily executable method of removing inclusions capable of efficiently removing fine inclusions in molten metal which cannot be removed by floatation and filtration.

The method of removing the inclusions in the molten metal includes steps for applying a high-frequency electric current of a frequency fA to an induction coil applying magnetic field to an induction heating melting furnace, melting and stirring the metal charged into a furnace body of the induction heating melting furnace, and then applying a high-frequency electric current of a frequency fB different from the frequency fA to separate the inclusions in the molten metal.


Inventors:
HIGUCHI MASARU
Application Number:
JP2009000162031
Publication Date:
January 27, 2011
Filing Date:
July 08, 2009
Export Citation:
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Assignee:
FURUKAWA ELECTRIC CO LTD:THE
International Classes:
F27B14/08; B22D1/00; C22B9/02; F27B14/06; F27D11/06
Domestic Patent References:
JP2001289567A2001-10-19
JPH11229055A1999-08-24
JPH02122011A1990-05-09
Attorney, Agent or Firm:
Toshizo Iida
Naosuke Miyamae