Title:
α+β TYPE TITANIUM ALLOY SHAPED MATERIAL AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/127073
Kind Code:
A1
Abstract:
An α+β type titanium alloy shaped material according to an embodiment of the present invention has a 0.2% yield strength of 830 MPa or higher, an elongation percentage of 10% or higher, a fatigue strength of 450 MPa or higher, and an acicular structure. The titanium alloy shaped material has a void area ratio of 1.0 x 10-5% or less, a torsion angle of ±3.0˚ or less from one end to the other end thereof, and a warp height (mm)/total length (m) of ±2.17 or less.
Inventors:
NISHIYAMA SHINYA (JP)
KITAURA TOMOYUKI (JP)
KITAURA TOMOYUKI (JP)
Application Number:
PCT/JP2021/048734
Publication Date:
July 06, 2023
Filing Date:
December 28, 2021
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C22C14/00; B21C23/00; B21C35/03
Domestic Patent References:
| WO2020213719A1 | 2020-10-22 |
Foreign References:
| JP2018154922A | 2018-10-04 | |||
| JP2019167621A | 2019-10-03 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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