Precision casting titanium aluminide

Details Precision casting titanium aluminide Precision casting titanium aluminide

1993-11-29

1998-11-24

Batten, Jr., J. Reed

Metal founding

Process

Shaping a forming surface

164 47, 1641221, B22D 2100, B22D 2704

Patent

active

058395040

ABSTRACT:
A titanium aluminide is composed of 31.5 to 33.5 weight % of Al, 1.5 to 2.3 weight % of Fe, 1.5 to 2.1 and 3.7 to 4.8 weight % of Nb, 0.07 to 0.12 weight % of B with remainder being Ti and inevitable impurities. The 1.5-2.0 weight % of Nb may be replaced with 0.5 to 2.0 weight % of V if severe oxidation resistance is not necessary. The titanium aluminide is melted and poured into a mold, and the melt is cooled in the mold naturally.

REFERENCES:
patent: 4849168 (1989-07-01), Nishiyama et al.

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