Grain growth behavior of GH4141 superalloy during solution treatment process

doi:10.13251/j.issn.0254-6051.2023.03.036

Abstract

Abstract: Effects of solution temperature and holding time on grain growth behavior of GH4141 alloy were studied, and the grain growth model of the alloy was established. The results show that when the solution temperature is less than orequal to 1080 ℃, the grain growth of the alloy is not obvious; while the grain size grows significantly when the temperature is higher than orequal to 1100 ℃. At different solution temperatures, the grain size grows rapidly when the holding time is less than or equal to 60 min; and the grain growth trends is slow with the increasing of the holding time especially when the holding time is over 60 min. The established grain growth kinetic model of the GH4141 alloy can accurately predict the grain size evolution during solution treatment.

Key words: GH4141 alloy, solution treatment, grain growth

CLC Number:

Xiao Dongping, Wang Fu, Zhou Yang, Fu Jianhui. Grain growth behavior of GH4141 superalloy during solution treatment process[J]. Heat Treatment of Metals, 2023, 48(3): 221-225.

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