Title:
METHOD AND APPARATUS FOR PRODUCING TITANIUM INGOT
Document Type and Number:
Japanese Patent JP2020121331
Kind Code:
A
Abstract:
To provide a method and apparatus for producing a titanium ingot having a fine solidification structure and suppressed in segregation of a solute element.SOLUTION: A method for producing a titanium ingot 52 includes a raw material supply process, a melting process that melts a raw material 50, a refining process that refines a molten metal 51 containing a melt of the raw material 50 in a hearth 7, a molding process that forms a titanium ingot 52 by cooling/solidifying the metal 51 refined in the hearth 7 by a mold 8, and a vibrating process that vibrates the titanium ingot 52 in order to vibrate a solid-liquid interface 53 as an interface of the molten metal 51 and the titanium ingot 52.SELECTED DRAWING: Figure 1
Inventors:
MIZUKAMI HIDEO
KITAURA TOMOYUKI
TAKEDA SENDAI
SHIRAI YOSHIHISA
UMEDA SHIGERU
KITAURA TOMOYUKI
TAKEDA SENDAI
SHIRAI YOSHIHISA
UMEDA SHIGERU
Application Number:
JP2019015486A
Publication Date:
August 13, 2020
Filing Date:
January 31, 2019
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
B22D11/114; B22D11/00; B22D11/041; B22D21/06; B22D27/02; C22B9/04; C22B9/22; C22B34/12; C22F1/18; F27D11/08
Domestic Patent References:
| JPH11350051A | 1999-12-21 | |||
| JPH06287661A | 1994-10-11 | |||
| JP2007118041A | 2007-05-17 |
Attorney, Agent or Firm:
Patents corporation Blitas