Abstract
In the current study, the machining performance evaluation of electric discharge-machined Cobalt Chromium (Co–Cr) and β-type titanium (Ti) alloys is reported. The research investigation was carried out using Taguchi’s L9 orthogonal array with the electrode, current, pulse-on time, and pulse-off time as the input variables. For determining the importance of machining performance parameters on the machined surface of both biomedical alloys, material removal rate was determined. The material removal rate calculations’ findings showed that the titanium alloy substrate had 1.5 times higher MRR than the Co–Cr alloy substrate. The ideal parametric configuration for machining is a 16 A peak current at a 150 ms pulse on time and a 60 ms pulse off time with a tungsten-copper (W–Cu) electrode. An examination of the surface’s morphology showed that low metal removal rate machining produces surfaces with higher integrity when compared to high metal removal rate machining.
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Devgan, S., Mahajan, A., Mahajan, V. (2023). Machining Performance of Cobalt-Chromium and β-Type Titanium Biomedical Alloy. In: Chanda, A., Sidhu, S.S., Singh, G. (eds) Materials for Biomedical Simulation. Materials Horizons: From Nature to Nanomaterials. Springer, Singapore. https://doi.org/10.1007/978-981-99-5064-5_5
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