Microstructure evolution and stability of a fourth-generation Ni-based single-crystal superalloy under ultra-long-term aging

Key Points

• Microstructure stability is enhanced under ultra-long-term aging conditions, critical for the performance of nickel-based superalloys.
• Creep resistance improvements were observed over extended aging periods, providing crucial data for future applications.
• Assessment using microstructural analysis techniques demonstrates effective aging characteristics of the fourth-generation superalloy.
• These findings highlight potential advancements in material science and engineering, particularly in high-temperature applications.