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US 2020/0347484 A1Published application
Titanium alloy material
AssigneeNippon Steel Corporation
InventorsHidenori TAKEBE, Sosuke NISHIWAKI, Tomonori KUNIEDA
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Abstract
A titanium alloy material contains: in mass %, Cu: 0.7% to 1.4%; Sn: 0.5% to 1.5%; Si: 0.10% to 0.45%; Nb: 0.05% to 0.50%; Fe: 0.00% to 0.08%; O: 0.00% to 0.08%; and the balance composed of Ti and impurities, in which in a structure, an area fraction of an α phase is 96.0% or more and an area fraction of an intermetallic compound is 1.0% or more, and an average crystal grain size of the α phase is 10 μm or more and 100 μm or less and an average grain size of the intermetallic compound is 0.1 to 3.0 μm.
Claims3
A titanium alloy material comprising:
- in mass %,
- Cu:
- 0.7% to 1.4%;
- Sn:
- 0.5% to 1.5%;
- Si:
- 0.10% to 0.45%;
- Nb:
- 0.05% to 0.50%;
- Fe:
- 0.00% to 0.08%;
- O:
- 0.00% to 0.08%;
- and
- the balance:
- Ti and impurities, wherein
- in a structure, an area fraction of an α phase is 96.0% or more and an area fraction of an intermetallic compound is 1.0% or more, and
- an average crystal grain size of the α phase is 10 μm or more and 100 μm or less and an average grain size of the intermetallic compound is 0.1 to 3.0 μm.
15 more elements
Dependencies are inferred from the claim text.