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US 2022/0017995 A1Published application
TiAl ALLOY AND METHOD OF MANUFACTURING THE SAME
AssigneeIHI Corporation
InventorKeiji KUBUSHIRO
Life of this patent
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Abstract
A TiAl alloy contains 48 at % or more and 50 at % or less of Al, 1 at % or more and 3 at % or less of Nb, 0.3 at % or more and 1 at % or less of Zr, 0.05 at % or more and 0.3 at % or less of B, and the balance being Ti and inevitable impurities.
Claims9
A TiAl alloy, consisting of:
- 48 at % or more and 50 at % or less of Al;
- 1 at % or more and 3 at % or less of Nb;
- 0.3 at % or more and 1 at % or less of Zr;
- 0.05 at % or more and 0.3 at % or less of B;
- and
- the balance being Ti and inevitable impurities.
3 more elements
A method of manufacturing a TiAl alloy, comprising:
- a casting step of casting a TiAl alloy raw material which consists of 48 at % or more and 50 at % or less of Al, 1 at % or more and 3 at % or less of Nb, 0.3 at % or more and 1 at % or less of Zr, 0.05 at % or more and 0.3 at % or less of B, and the balance being Ti and inevitable impurities.
Dependencies are inferred from the claim text.