Rapidly solidified and heat-treated manganese and niobium-modifi

Details Rapidly solidified and heat-treated manganese and niobium-modifi Rapidly solidified and heat-treated manganese and niobium-modifi

1988-10-03

1990-01-30

Roy, Upendra

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

75245, 148421, 420418, 420420, C22F 118, B32B 1514

Patent

active

048971278

ABSTRACT:
A TiAl composition is prepared to have high strength and to have improved ductility by altering the atomic ratio of the titanium and niobium to have what has been found to be a highly desirable effective aluminum concentration by addition of a combination of manganese and niobium according to the approximate formula Ti.sub.52-42 Al.sub.46-50 Nb.sub.1-5 Mn.sub.1-3.

REFERENCES:
patent: 4661316 (1987-04-01), Hashimoto et al.
patent: 4746374 (1988-05-01), Froes et al.
patent: 4788035 (1988-11-01), Gigliotti et al.
patent: 4834036 (1989-05-01), Nishiyama et al.
Binary-Alloy Phase Diagram, vol. 1, ed. Massalski et al., ASM, Metals Park, OH 1986, pp. 175-176.

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