US2025223671A1PendingUtilityA1
Titanium alloy
Est. expiryJan 12, 2035(~8.5 yrs left)· nominal 20-yr term from priority
Inventors:John W. Foltz, Iv
C22F 1/183C22C 1/02C22C 14/00
94
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Claims
Abstract
According to one embodiment, an alpha-beta titanium alloy comprises, in weight percentages: an aluminum equivalency in the range of about 6.7 to 10.0; a molybdenum equivalency in the range of 0 to 5.0; at least 2.1 vanadium; 0.3 to 5.0 cobalt; titanium; and incidental impurities.
Claims
exact text as granted — not AI-modified1 .- 17 . (canceled)
18 . An alpha-beta titanium alloy comprising, in weight percentages:
an aluminum equivalency (Al eq ) in a range of 2.0 to 10.0, wherein
[
Al
]
e
q
=
[
Al
]
+
1
/
3
[
Sn
]
+
1
/
6
[
Zr
+
Hf
]
+
10
[
O
+
2
N
+
C
]
+
[
Ga
]
+
[
Ge
]
;
a molybdenum equivalency (Mo eq ) in a range of 2.0 to 20.0, wherein
[
Mo
]
e
q
=
[
Mo
]
+
2
/
3
[
V
]
+
3
[
Mn
+
Fe
+
Ni
+
Cr
+
Cu
+
Be
]
+
1
/
3
[
Ta
+
Nb
+
W
]
;
0.3 to 5.0 cobalt;
up to 0.5 oxygen;
up to 0.25 nitrogen;
up to 0.3 carbon;
titanium; and
up to 0.4 incidental impurities.
19 . The alpha-beta titanium alloy recited in claim 18 , wherein the aluminum equivalency is in a range of 2.0 to 6.0.
20 . The alpha-beta titanium alloy recited in claim 18 , wherein the aluminum equivalency is in a range of 6.7 to 10.0.
21 . The alpha-beta titanium alloy recited in claim 18 , wherein the molybdenum equivalency is in a range of 2.0 to 10.0.
22 . The alpha-beta titanium alloy recited in claim 18 , wherein the molybdenum equivalency is in a range of 2.0 to 5.0.
23 . The alpha-beta titanium alloy recited in claim 18 , wherein the aluminum equivalency is in a range of 6.7 to 10.0, and the molybdenum equivalency is in a range of 2.0 to 10.0.
24 . The alpha-beta titanium alloy recited in claim 18 , comprising 0.3 to 4.0 weight percent cobalt.
25 . The alpha-beta titanium alloy recited in claim 18 , comprising 0.3 to 1.6 weight percent cobalt.
26 . The alpha-beta titanium alloy recited in claim 18 , comprising 2.0 to 7.0 weight percent aluminum.
27 . The alpha-beta titanium alloy recited in claim 18 , comprising 2.0 to 5.5 weight percent aluminum.
28 . The alpha-beta titanium alloy recited in claim 18 , comprising greater than 0 to 6.0 weight percent tin.
29 . The alpha-beta titanium alloy recited in claim 18 , comprising greater than 0 to 4.5 weight percent tin.
30 . The alpha-beta titanium alloy recited in claim 18 , comprising up to 0.2 weight percent incidental impurities.
31 . An alpha-beta titanium alloy comprising, in weight percentages:
up to 7.0 aluminum; 0.3 to 5.0 cobalt; up to 6.0 tin; an aluminum equivalency (Al eq ) in a range of 2.0 to 10.0, wherein
[
Al
]
e
q
=
[
Al
]
+
1
/
3
[
Sn
]
+
1
/
6
[
Zr
+
Hf
]
+
10
[
O
+
2
N
+
C
]
+
[
Ga
]
+
[
Ge
]
;
a molybdenum equivalency (Mo eq ) in a range of 2.0 to 20.0, wherein
[
Mo
]
e
q
=
[
Mo
]
+
2
/
3
[
V
]
+
3
[
Mn
+
Fe
+
Ni
+
Cr
+
Cu
+
Be
]
+
1
/
3
[
Ta
+
Nb
+
W
]
;
up to 0.5 oxygen;
up to 0.25 nitrogen;
up to 0.3 carbon;
titanium; and
up to 0.4 incidental impurities.
32 . The alpha-beta titanium alloy recited in claim 31 , wherein the aluminum equivalency is in a range of 6.7 to 10.0.
33 . The alpha-beta titanium alloy recited in claim 31 , wherein the molybdenum equivalency is in a range of 2.0 to 10.0.
34 . The alpha-beta titanium alloy recited in claim 31 , wherein the aluminum equivalency is in a range of 6.7 to 10.0, and the molybdenum equivalency is in a range of 2.0 to 10.0.
35 . The alpha-beta titanium alloy recited in claim 31 , comprising 0.3 to 4.0 weight percent cobalt.
36 . The alpha-beta titanium alloy recited in claim 31 , comprising up to 5.5 weight percent aluminum.
37 . The alpha-beta titanium alloy recited in claim 31 , comprising up to 4.5 weight percent tin.Cited by (0)
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