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Numerical Analysis of Direct Aged 718 Inconel Alloy Turning Using Power Law Equation. Modares Mechanical Engineering 2022; 22 (10) :19-24
URL: http://mme.modares.ac.ir/article-15-65920-en.html

Nowadays, Inconel superalloys are often used in various industries due to their extraordinary properties. Some unique properties of Inconel, such as maintaining its yield strength at elevated temperatures, very low thermal conductivity, and high abrasion resistance, provide very difficult to cut conditions for machining this superalloy. This paper presents a method for simulating the direct aged Inconel 718 superalloy turning by using the power law equation based on the finite element method. One of the main objectives of this research is the correct determination of material properties based on power law equation such as strain hardening coefficients, strain rate sensitivity coefficient, thermal softening coefficients, and other coefficients required to simulate direct aged Inconel 718. The simulation results, such as shear plane angle, machining forces, chip temperature, and tool and chip shape, have been validated by reference [1]. This study, similar to [1], has been studied at three different undeformed chip thicknesses to examine the deformed chip thicknesses and other machining outputs such as machining forces using the power law equation. Third wave Systems-AdvantEdge software has been used for the current study. The output of this study has been investigated with the results of experimental research [1] and shows the high efficiency and accuracy of the present analysis.