Title:
チタン鋳塊またはチタン合金鋳塊の製造方法および製造装置
Document Type and Number:
Japanese Patent JP7035885
Kind Code:
B2
Abstract:
To provide a titanium ingot or a titanium alloy ingot of excellent quality with less LDI (Low Density Inclusion).SOLUTION: A manufacturing method of a titanium alloy ingot 52 includes: a raw material supply process of supplying a raw material 50; a melting process of melting the raw material 50; a refining process of refining a molten metal 51 at a hearth 7; and a casting process of casting the molten metal 51 supplied from the hearth 7. In the refining process, a flow direction D of the molten metal 51 is changed from a first direction D1 to a second direction D2. A depth L of the molten metal 50 becomes shallow as proceeding in the first direction D1, in a flow direction change region 29 where the flow direction D changes.SELECTED DRAWING: Figure 1
Inventors:
Hideo Mizukami
Tomoyuki Kitaura
Ilan University Takeda
Yoshihisa Shirai
Umeda Shigeru
Tomoyuki Kitaura
Ilan University Takeda
Yoshihisa Shirai
Umeda Shigeru
Application Number:
JP2018141828A
Publication Date:
March 15, 2022
Filing Date:
July 27, 2018
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C22B34/12; B22D1/00; B22D21/06; B22D27/02; C22B9/21; C22B9/22; F27B3/02
Domestic Patent References:
| JP2013245398A | ||||
| JP2009161855A | ||||
| JP62099424A | ||||
| JP2013184174A |
Attorney, Agent or Firm:
Patents corporation Blitas