Patent ID: 7959748

Claim:
A method of manufacturing a Ni-based superalloy component suitable for a gas turbine, the method comprising simultaneously performing a hot isostatic pressing (HIP) process and a heat treatment process as a one-step process on a Ni-based superalloy using an HIP apparatus under pressure to produce the Ni-based superalloy component, wherein the simultaneous HIP process and heat treatment process is performed at a first temperature of from about 1210° C. to about 1250° C., said first temperature being below an incipient melting temperature of the Ni-based superalloy, and a first pressure of 1000 atm to 1500 atm for 1-3 hours and then a second temperature of from about 1000° C. to about 1090° C., said second temperature being below γ′ solvus of the Ni-based superalloy, and a second pressure of 1000 atm to 1500 atm for 1-3 hours.