Creep resistant titanium aluminide alloy

Details Creep resistant titanium aluminide alloy Creep resistant titanium aluminide alloy

1993-07-19

1994-09-27

Roy, Upendra

Metal treatment

Stock

Titanium, zirconium, or hafnium base

148669, 148670, 420418, 420421, C22C 1400

Patent

active

053504666

ABSTRACT:
Creep resistant titanium aluminide alloy article consisting essentially of, in atomic %, about 45 to about 48 Al, about 1.0 to about 3.0 Nb, about 0.5 to about 1.5 Mn, about 0.25 to about 0.75 Mo, about 0.25 to about 0.75 W, about 0.15 to about 0.3 Si and the balance titanium. The article has a heat treated microstructure including gamma phase, alpha-two phase and at least one additional particulate phase including, one or more or W, Mo, and Si dispersed as distinct regions in the microstructure.

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