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<strong>Study of surface integrity and effect of process parameters in wire electrical discharge turning of Ti-6Al-4V</strong>

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Title Statement <strong>Study of surface integrity and effect of process parameters in wire electrical discharge turning of Ti-6Al-4V</strong>
 
Added Entry - Uncontrolled Name Nag, Akash ; Indian Institute of Technology (I.S.M) – Dhanbad 826004, Jharkhand, India
Srivastava, Ashish Kumar; G L Bajaj Institute of Technology and Management, Greater Noida, Gautam Budha Nagar 201306, India
Dixit, Amit Rai; Indian Institute of Technology (I.S.M) – Dhanbad 826004, Jharkhand, India
Mandal, Amitava ; Indian Institute of Technology (I.S.M) – Dhanbad 826004, Jharkhand, India
Das, Alok Kumar; Indian Institute of Technology (I.S.M) – Dhanbad 826004, Jharkhand, India
 
Uncontrolled Index Term Surface integrity, Wire wear, Wire electrical discharge turning, Ti6Al4V
 
Summary, etc. Wire electrical discharge turning set-up has been developed by modifying the conventional five axes CNC WEDM machine. The main objective of this setup is to achieve cylindrical forms on hard to cut materials. This work focuses on the study of effect of input process parameters like pulse on-time, pulse off time, gap voltage, spindle rotational speed on output responses like surface roughness, material removal rate and wire wear ratio. A mathematical model of responses has been developed using response surface methodology and the optimal value of process parameters has been obtained by desirability function. Surface morphology studies of the machined surface and the worn-out wire has also been elaborated by FE-SEM images. The results show that with an increase in machining parameters value except pulse-on time, all the desired machining outcome decreases. Surface roughness, material removal rate and wire wear ratio have been found in the range of 1.99 μm – 1.37 μm, 7.55 – 13.66 mm3/min and 0.05–0.08, respectively. The formation of thick recast layer over the machined surface has also been discussed. The reduction in wire dimension has been calculated by optical microscopy and its morphology has been discussed by FE-SEM images.
 
Publication, Distribution, Etc. Indian Journal of Engineering and Materials Sciences (IJEMS)
2020-08-06 16:02:52
 
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http://op.niscair.res.in/index.php/IJEMS/article/view/45927
 
Data Source Entry Indian Journal of Engineering and Materials Sciences (IJEMS); ##issue.vol## 27, ##issue.no## 2 (2020): IJEMS- April 2020
 
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