Inconel-100 (IN-100) which is a nickel-base alloy is used in metal components operate at the hot sections of gas turbines and jet engines due its excellent strength and corrosion resistance at high temperatures. This work presents investigations on the microstructural changes that occur during the machining process and specifically focuses on the effects of cutting parameters on the resultant average grain sizes of γ and γ′ phases and microhardness of the finished surfaces. Furthermore, finite element simulations have been performed to calculate the changes in grain sizes due to dynamic recrystallization by using the Johnson-Mehl-Avrami-Kolmogorov model.

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