Heat treatment process for material bodies made of nickel base s

Details Heat treatment process for material bodies made of nickel base s Heat treatment process for material bodies made of nickel base s

1997-04-10

1999-03-16

Phipps, Margery

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148675, C22F 110

Patent

active

058824464

ABSTRACT:
In a heat treatment process for material bodies made of nickel base superalloys, in particular for monocrystals made of nickel base superalloys, the heat treatment of the material body comprises the following steps: annealing at 850.degree. C. to 1100.degree. C., heating to 1200.degree. C., heating to a temperature of 1200.degree. C.<T.ltoreq.1300.degree. C. at a heat-up rate of less than or equal to 1.degree. C./min, and a multistage homogenization and dissolution process at a temperature of 1300.degree. C..ltoreq.T.ltoreq.1315.degree. C.

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