Title:
チタン合金板、チタン合金板の製造方法、銅箔製造ドラム及び銅箔製造ドラムの製造方法
Document Type and Number:
Japanese Patent JP6901049
Kind Code:
B2
Abstract:
This titanium alloy plate has a chemical composition containing, in terms of mass%: a total of 0.2-7.0% of one type or two or more types selected from the group consisting of 0-2.0% of Sn, 0-5.0% of Zr, and 0-7.0% of Al; at most 0.100% of N; at most 0.080% of C; at most 0.015% of H; at most 0.700% of O; and at most 0.500% of Fe, with the balance consisting of Ti and impurities. The average crystal grain size is 40 μm or less, the standard deviation of the grain size distribution based on the logarithm of the crystal grain size (μm) is 0.80 or less, the crystal structure includes an α phase having a hexagonal close-packed structure, and the area ratio of crystal grains, in which the angle formed in the [0001] direction of the α phase with respect to the plate thickness direction is 0-40 degrees, is 70% or more.
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Inventors:
Kunieda Chitoku
Hidenori Takebe
Ryotaro Miyoshi
High Kazuhiro Hashi
Mamoru Goto
Atsuhiko Kuroda
Shuo Saruwatari
Hidenori Takebe
Ryotaro Miyoshi
High Kazuhiro Hashi
Mamoru Goto
Atsuhiko Kuroda
Shuo Saruwatari
Application Number:
JP2020549832A
Publication Date:
July 14, 2021
Filing Date:
April 17, 2020
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C22C14/00; B21B3/00; B23K35/32; C25D17/10
Domestic Patent References:
| JP2013007063A | ||||
| JP2004250753A | ||||
| JP2004002953A | ||||
| JP2000045091A | ||||
| JP11226608A | ||||
| JP60009866A | ||||
| JP6015452A | ||||
| JP6335769A |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi