Intermetallic alloy based on titanium aluminide for casting

Details Intermetallic alloy based on titanium aluminide for casting Intermetallic alloy based on titanium aluminide for casting

1996-03-26

1998-12-08

Sheehan, John

Metal treatment

Stock

Titanium, zirconium, or hafnium base

420418, C22C 1400

Patent

active

058463453

ABSTRACT:
In an alloy having a Ti/Al ratio close to 52/48, good castability, by virtue of initial solidification in the .beta. phase, together with a sufficiently low density and a good oxidation resistance are obtained by introducing approximately 2 atom. % of rhenium and/or tungsten. These alloys can be used especially for the production of aeronautical turbomachine components.

REFERENCES:
patent: 4783329 (1988-11-01), Maeland et al.
patent: 5041262 (1991-08-01), Gigliotti

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