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Influence of Optimization Techniques on Wire Electrical Discharge Machining of Ti–6Al–2Sn–4Zr–2Mo Alloy using Modeling Approach

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Abstract

Nowadays, the Wire Electrical Discharge Machining (WEDM) process was also working to cut the hard titanium alloys. During the WEDM, the generation of high temperatures was used to melt and vaporize and also flushed away the hard titanium alloy. The tough Ti–6Al–2Sn–4Zr–2Mo alloy was machined in the current research by the WEDM method and machining features such as surface roughness (SR) and Material Removal Rate (MRR) were statistically evaluated to achieve optimum performance. The investigations were performed using the Taguchi orthogonal array technique. The optimum process factors were defined from the main effect plot 32 μs, 3 m/min, and 12 g for material removal rate and as 10 μs, 32 μs, 7 m/min, and 12 g for surface roughness. The best essential parameters were established from the Analysis of variance (ANOVA) analysis. The pulse on-time current and pulse off time were identified as important parameters for the material removal rate with a contribution of 23.60%, 5.91%, and 65.02%. The best essential parameters for surface roughness were pulse on time, pulse off time, and a combination of pulse on-time and pulse off time with a percentage contribution of 22.71% and 36.88% respectively.Moreover, the machined surface was examined using the Scanning Electron Microscope (SEM).

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Acknowledgements

The staffs express their sincere thanks and thankfulness to Department of Mechanical Engineering at National Institute of Technology Tiruchirappalli for providing the facility of tools and equipment for doing the trial research work. The journalists also thank mechanical staffs for the support in running the trial work in the workshop of Mechanical Engineering Department of NIT, Tiruchirappalli.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Faculty in Sethu Institute of Technology, Kariyapatti, Tamilnadu, 626115, India

    A. Perumal, P. R. Rajkumar, C. Kailasanathan & G. Venkatesan

  2. Department of Mechanical Engineering, Faculty in MepcoSchlenk Engineering College, Sivakasi, Tamilnadu, 626005, India

    A. Azhagurajan

  3. Department of Mechanical Engineering, Faculty in Kalasalingam Academy of Research and Education, KrishnanKoil, Tamilnadu, India

    S. Suresh Kumar

  4. Department of Mechanical Engineering, Faculty in Madanapalle Institute of Technology and Science, Madanapalle, Andhra Pradesh, India

    R. Prithivirajan & S. Baskaran

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  1. A. Perumal
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Contributions

AP: Writing—original draft, Formal analysis. AA: Conceptualization, Data curation, Supervision, SSK: Investigation, Methodology. RP: Project administration, Resources, Software. SB: Validation, Visualization. PRR: Editing, Data curation, Formal analysis. CK: Data curation, Formal analysis, Editing. GV: Data curation, Formal analysis.

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Correspondence to A. Perumal.

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Perumal, A., Azhagurajan, A., Kumar, S.S. et al. Influence of Optimization Techniques on Wire Electrical Discharge Machining of Ti–6Al–2Sn–4Zr–2Mo Alloy using Modeling Approach. J Inorg Organomet Polym 31, 3272–3289 (2021). https://doi.org/10.1007/s10904-021-01953-y

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