Oxidation resistant titanium-base alloy

Details Oxidation resistant titanium-base alloy Oxidation resistant titanium-base alloy

1989-05-01

1990-12-25

Lechert, Jr., Stephen J.

Alloys or metallic compositions

Titanium base

Aluminum containing

420421, C22C 1400

Patent

active

049801279

ABSTRACT:
A titanium-base alloy characterized by a combination of good oxidation resistance at temperatures of at least 1500.degree. F. and good cold rollability. The alloy consists essentially of, in weight percent, molybdenum 14 to 20, niobium 1.5 to 5.5, silicon 0.15 to 0.55, aluminum up to 3.5, oxygen up to 0.25 and balance titanium. Preferably, molybdenum is 14 to 16, niobium is 2.5 to 3.5, silicon is 0.15 to 0.25, aluminum is 2.5 to 3.5 and oxygen is 0.12 to 0.16. The alloy may be in the form of a cold reduced sheet or foil product having a thickness of less than 0.1 inch. This product may be produced by cold rolling to effect a reduction within the range of 10 to 80%.

REFERENCES:
Chem. Abstracts 79(12): 69457c; "Titanium Alloys Alloyed with Refractory Elements", 1973; O. P. Solonina et al.
Alloys of Niobium; Prokoshkin, D. A. et al; 1965, pp. 178-181.

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