Titanium-Aluminum intermetallic having nitrogen in solid solutio

Details Titanium-Aluminum intermetallic having nitrogen in solid solutio Titanium-Aluminum intermetallic having nitrogen in solid solutio

1991-05-10

1992-10-06

Roy, Upendra

Alloys or metallic compositions

Titanium base

Aluminum containing

148407, 148421, 420417, C22C 1400

Patent

active

051529602

ABSTRACT:
Disclosed are a Ti-Al alloy including aluminum (Al) in an amount of 30 to 38% by weight, nitrogen (N) in an amount of 0.2 to 1.0% by weight, and titanium (Ti), substantially the balance, and a process for producing the same. Since the Ti-Al alloy includes the nitrogen in the predetermined amount, the microstructure of the Ti-Al ally can be micro-fined and made into a uniform one, and accordingly the shrinkage cavities can be reduced remarkably. Therefore, the strength, the ductility or the like of the Ti-Al alloy can be improved remarkably. With the production process, it is possible to produce the Ti-Al alloy including the nitrogen in the predetermined range.

REFERENCES:
patent: 3203794 (1965-08-01), Jaffee et al.
patent: 4849168 (1989-07-01), Nishiyama et al.

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