Title:
PROCESS FOR PRODUCING INGOT
Document Type and Number:
WIPO Patent Application WO/2006/132016
Kind Code:
A1
Abstract:
A process for producing an ingot, in which even when a high-melting-point active metal, such as Ti, is contained, a large homogeneous ingot can be obtained economically. A large ingot is produced by casting an ingot from a melt obtained according to a cold crucible induction melting method, forming a consumable electrode from the ingot, re-melting the consumable electrode according to a vacuum arc re-melting method and casting the large ingot from the obtained melt.
Inventors:
CHUJOYA MAKOTO (JP)
YAMAMOTO KAZUMI (JP)
OKUMURA TEPPEI (JP)
YAMAMOTO KAZUMI (JP)
OKUMURA TEPPEI (JP)
Application Number:
PCT/JP2006/305099
Publication Date:
December 14, 2006
Filing Date:
March 15, 2006
Export Citation:
Assignee:
DAIDO STEEL CO LTD (JP)
CHUJOYA MAKOTO (JP)
YAMAMOTO KAZUMI (JP)
OKUMURA TEPPEI (JP)
CHUJOYA MAKOTO (JP)
YAMAMOTO KAZUMI (JP)
OKUMURA TEPPEI (JP)
International Classes:
B22D7/00
Foreign References:
| JPH0931558A | 1997-02-04 | |||
| JP2001293550A | 2001-10-23 | |||
| JP2003307390A | 2003-10-31 | |||
| JP2001131651A | 2001-05-15 |
Other References:
See also references of EP 1889675A4
Attorney, Agent or Firm:
Iriyama, Hiromasa (Yato Bldg. 2-8-14, Kamimaezu, Naka-ku Nagoya-sh, Aichi 13, JP)
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