Titanium-base alloy and method of improving creep properties

Details Titanium-base alloy and method of improving creep properties Titanium-base alloy and method of improving creep properties

1977-07-05

1979-03-27

Stallard, W.

Metal treatment

Compositions

Heat treating

751755, 148 32, 148133, C22C 1400, C22F 118

Patent

active

RE0299464

ABSTRACT:
A titanium-base alloy consisting by weight of about 5.5 to 6.5% aluminum, 1.7 to 2.3% tin, 0.7 to 5.0% zirconium, 0.7 to 3.0% molybdenum, 0.04 to 0.13% silicon, and the balance titanium. The addition of silicon to the otherwise known alloy produces a marked improvement in creep properties without significant detrimental effect to other properties.

REFERENCES:
patent: 2893864 (1959-07-01), Harris et al.
patent: 3049425 (1962-08-01), Fentiman et al.
patent: 3343951 (1967-09-01), Peebles
patent: 3378368 (1968-04-01), Minton et al.
patent: 3482968 (1969-12-01), Hunter
patent: 3619184 (1971-11-01), Bomberger et al.
patent: 3756810 (1973-09-01), Parris et al.
AFML-TR-70-125, Development of a 900.degree. F. Titanium Alloy, Russo et al., Jul. 1970, pp. 5-33 & 84-89.

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