Title:
TITANIUM ALLOY MEMBER
Document Type and Number:
WIPO Patent Application WO/2019/044858
Kind Code:
A1
Abstract:
A titanium alloy member characterized by comprising, in percent by mass, 1.0-8.0% of Al, 0.10-0.40% of Fe, 0.00-0.30% of O, 0.00-0.10% of C, 0.00-0.20% of Sn, and 0.00-0.15% of Si, the balance being Ti and unavoidable impurities; the average grain size of α-phase crystal grains being 15.0 μm or less, the average aspect ratio of the α-phase crystal grains being 1.0-3.0 (inclusive), and the variation coefficient of the number density of β-phase crystal grains distributed in the α phase being 0.30 or less.
Inventors:
TSUKAMOTO GENKI (JP)
TAKAHASHI KAZUHIRO (JP)
SETO HIDETO (JP)
TAKAHASHI KAZUHIRO (JP)
SETO HIDETO (JP)
Application Number:
PCT/JP2018/031836
Publication Date:
March 07, 2019
Filing Date:
August 28, 2018
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
C22C14/00; C22F1/00; C22F1/18
Foreign References:
| JP2009084690A | 2009-04-23 | |||
| JP2009167518A | 2009-07-30 | |||
| JP2017053021A | 2017-03-16 | |||
| JPH07150274A | 1995-06-13 | |||
| JPH0743478A | 1995-02-14 | |||
| JPH0762466A | 1995-03-07 | |||
| JPH07150274A | 1995-06-13 |
Other References:
See also references of EP 3628754A4
Attorney, Agent or Firm:
HAGIWARA, Yasushi et al. (JP)
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