Abstract

Titanium alloys are the most important new materials widely utilized in the automobile, aviation, and defense industry. Its exceptional hardness and work hardening qualities make it difficult to cut using traditional machining. Micro-ED Milling is a well-known method of milling electrically conductive materials, such as metals, metal alloys, etc. Response Surface Methodology (RSM) has been employed to analyze the effect of input factors on the Micro-ED Milling of titanium alloy (Ti-6Al-4V). The input variables for the Micro-ED Milling process are voltages [100, 110 and 120 (V)], capacitances [0.0001, 0.01 and 0.1 (μF)], and feed rates of [1, 2 and 3 (μm/s)]. The response parameters include material removal rates (MRR), tool wear rates (TWR), and surface roughness (SR). The developed mathematical model was statistically significant, and it was used to predict MRR, TWR and SR. The main factors and their interaction were affected the machining performance of micro-ED milling.

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