Abstract

The results of a study of dispersion-hardening high-temperature nickel alloys EI698, EP742, and EP741 after thermomechanical treatment (TMT) are considered. The alloys differ from the EI437BU type by a higher content of the strengthening γ′-phase and considerably higher temperatures of recrystallization and complete dissolution of the γ′-phase. The alloys studied are used for disks of aircraft engines.

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