High strength titanium alloy

Details High strength titanium alloy High strength titanium alloy

2006-03-07

2006-03-07

Sheehan, John P. (Department: 1742)

Metal treatment

Stock

Titanium, zirconium, or hafnium base

C420S418000, C420S419000, C420S420000, C420S421000

Reexamination Certificate

active

07008489

ABSTRACT:
An alpha-beta, titanium-base alloy with improved ductility at high strength levels compared to commercially available alloys, such as Ti-17. The alloy exhibits at least a 20% improvement in ductility at a given strength level compared to Ti-17. The alloy comprises, in weight %, 3.2 to 4.2 Al, 1.7 to 2.3 Sn, 2 to 2.6 Zr, 2.9 to 3.5 Cr, 2.3 to 2.9 Mo, 2 to 2.6 V, 0.25 to 0.75 Fe, 0.01 to 0.8 Si, 0.21 max. Oxygen and balance Ti and incidental impurities.

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