Hot deformation behavior of Inconel617 alloy

doi:10.13251/j.issn.0254-6051.2025.02.002

Abstract

Abstract: Hot compression simulation tests of Inconel617 alloy were carried out using Gleeble-3800 thermal simulation test machine in the range of deformation temperature of 950-1200 ℃ and strain rate of 0.001-1 s^-1. The hot deformation behavior under different deformation conditions were analyzed. The results show that the Inconel617 alloy exhibits obvious work hardening characteristics at the initial stage of deformation. As the strain increases, the flow stress increases to the peak value and then gradually decreases, showing dynamic softening dominated by dynamic recrystallization. The hot deformation constitutive equation of the Inconel617 is constructed based on the Arrhenius model modified by the hyperbolic sine function. The hot deformation activation energy Q is 418.4 kJ/mol. The hot working map of the Inconel617 alloy is constructed, and the appropriate hot working range is determined: deformation temperature of 1080-1170 ℃, strain rate of 0.012-1 s^-1.

Key words: Inconel617 alloy, hot deformation behavior, dynamic recrystallization, hot working map

CLC Number:

TG312

Ding Zuojun, Ren Wenhao, Zhang Guo, Zheng Yue, He Xikou. Hot deformation behavior of Inconel617 alloy[J]. Heat Treatment of Metals, 2025, 50(2): 8-14.

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