Method of forging in 706 components

Details Method of forging in 706 components Method of forging in 706 components

1993-12-03

1995-05-16

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C21D 800

Patent

active

054157129

ABSTRACT:
In a method of forging an IN 706 alloy component, the component is forged at about 1750.degree. F. to 1825.degree. F. The component is cooled by quenching to minimize the formation of embrittling grain boundary phases, and subsequently air cooled to prevent surface cracking in the forging. The component is aged to precipitate gamma prime. Preferably, the quenching is performed to lower the temperature throughout the component below about 1500.degree. F.

REFERENCES:
patent: 3660177 (1972-05-01), Brown et al.
patent: 3930904 (1976-01-01), Eiselstein et al.
patent: 4652315 (1987-03-01), Igarashi et al.
H. L. Eiselstein: "Properties of a Fabricable, High Strength Superalloy" Nov. 1971 published in Metals Engineering Quarterly.

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