Title:
イリジウム合金ルツボ
Document Type and Number:
Japanese Patent JP6674881
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an Ir alloy crucible that not only has been improved in high-temperature strength, but also resists plastic deformation at high temperature, with an amount of use of Pt reduced for low-cost production.SOLUTION: A crucible is composed of an iridium alloy comprising Pt of 0.3-3 mass%, W of 0.01-0.2 mass%, with the balance being Ir and unavoidable impurities.SELECTED DRAWING: None
Inventors:
Koichi Hasegawa
Yosuke Imai
Keisuke Ito
Yukio Masuda
Yosuke Imai
Keisuke Ito
Yukio Masuda
Application Number:
JP2016198607A
Publication Date:
April 01, 2020
Filing Date:
October 07, 2016
Export Citation:
Assignee:
Ishifuku Metal Industry Co., Ltd.
International Classes:
C22C5/04; F27B14/10
Domestic Patent References:
| JP2000290739A | ||||
| JP10259435A |
Foreign References:
| CN1820398A |
Attorney, Agent or Firm:
Tomita clause