Titanium alloys including increased oxygen content and exhibiting improved mechanical properties
First Claim
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1. A metastable β
- titanium alloy comprising, in weight percentages based on total alloy;
up to 0.05 nitrogen;
up to 0.10 carbon;
up to 0.015 hydrogen;
up to 0.10 iron;
0.25 oxygen up to 0.50 oxygen;
14.00 to 16.00 molybdenum;
at least 83.54 titanium; and
incidental impurities;
wherein the metastable β
titanium alloy further comprises a yield strength in a range of 128 ksi to 181 ksi and a modulus of elasticity in a range of 10.1 Mpsi to 10.5 Mpsi.
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Abstract
One aspect of the present disclosure is directed to a metastable β titanium alloy comprising, in weight percentages: up to 0.05 nitrogen; up to 0.10 carbon; up to 0.015 hydrogen; up to 0.10 iron; greater than 0.20 oxygen; 14.00 to 16.00 molybdenum; titanium; and incidental impurities. Articles of manufacture including the alloy also are disclosed.
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Citations
26 Claims
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1. A metastable β
- titanium alloy comprising, in weight percentages based on total alloy;
up to 0.05 nitrogen; up to 0.10 carbon; up to 0.015 hydrogen; up to 0.10 iron; 0.25 oxygen up to 0.50 oxygen; 14.00 to 16.00 molybdenum; at least 83.54 titanium; and incidental impurities; wherein the metastable β
titanium alloy further comprises a yield strength in a range of 128 ksi to 181 ksi and a modulus of elasticity in a range of 10.1 Mpsi to 10.5 Mpsi. - View Dependent Claims (2, 3, 4, 5, 6, 19, 20, 21, 22, 23, 24, 25, 26)
- titanium alloy comprising, in weight percentages based on total alloy;
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7. A metastable β
- titanium alloy consisting essentially of, in weight percentages;
up to 0.05 nitrogen; up to 0.10 carbon; up to 0.015 hydrogen; up to 0.10 iron; 0.25 up to 0.50 oxygen; 14.00 to 16.00 molybdenum; remainder titanium; and incidental impurities; wherein the metastable β
titanium alloy further comprises a yield strength in a range of 128 ksi to 181 ksi and a modulus of elasticity in a range of 10.1 Mpsi to 10.5 Mpsi. - View Dependent Claims (8, 9, 10, 11, 12, 13)
- titanium alloy consisting essentially of, in weight percentages;
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14. A metastable β
- titanium alloy consisting of, in weight percentages;
up to 0.05 nitrogen; up to 0.10 carbon; up to 0.015 hydrogen; up to 0.10 iron; 0.25 up to 0.50 oxygen; 14.00 to 16.00 molybdenum; remainder titanium and incidental impurities; wherein the metastable β
titanium alloy further comprises a yield strength in a range of 128 ksi to 181 ksi and a modulus of elasticity in a range of 10.1 Mpsi to 10.5 Mpsi. - View Dependent Claims (15, 16, 17, 18)
- titanium alloy consisting of, in weight percentages;
Specification