Titanium aluminum alloys containing niobium, vanadium and molybd

Details Titanium aluminum alloys containing niobium, vanadium and molybd Titanium aluminum alloys containing niobium, vanadium and molybd

1982-09-27

1987-12-29

Terapane, John F.

Alloys or metallic compositions

Titanium base

Aluminum containing

420420, 148 127B, 148407, 148133, C22C 1400

Patent

active

047160209

ABSTRACT:
The high temperature strength to density ratio of titanium aluminum niobium alloys of the Ti.sub.3 Al (alpha two) type is increased when molybdenum is added. New alloys contain by atomic percent 25-27 aluminum, 11-16 (niobium+molybdenum), 1-4 molybdenum, balance titanium. When vanadium replaces up to 3.5% molybdenum a lighter weight alloy is produced. The new alloys have higher elastic modulus and higher creep strength to density ratio than alloys without molybdenum.

REFERENCES:
patent: 2754203 (1956-07-01), Vordahl
patent: 2880087 (1959-03-01), Jaffee
patent: 2968586 (1961-01-01), Vordahl
patent: 4292077 (1981-09-01), Blackburn et al.
patent: 4294615 (1981-10-01), Blackburn et al.

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