The Inconel superalloy family, which is based on nickel and chromium, is renowned for its exceptional mechanical capabilities at high temperatures and strong resistance to oxidation and corrosion. Among the most well-known grades are Inconel 625, 718, 600, and so on. Inconel 925 is a good choice for applications demanding corrosion resistance in addition to high-strength requirements. There is difficulty in machining Inconel 925 due to low heat conductivity, high hardness, significant chemical reaction with tools at elevated temperatures, and low elastic modulus. Optimizing the various machining conditions to achieve the best machinability criteria for machining Inconel 925 is essential. This study explores the application of response surface methodology (RSM) in analyzing the performance of machining operations with five levels of feed, spindle rate, and depth of cut. The finite-element method (FEM) was utilized to conduct numerical modeling based on the RSM experimental design, with experiments carried out in a dry working environment on a heavy-duty lathe. The study focused on predicting cutting forces, surface roughness, and tool wear. The experimental resu
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