![Open Access](https://i-scholar.in/lib/pkp/templates/images/icons/fulltextgreen.png)
![Restricted Access](https://i-scholar.in/lib/pkp/templates/images/icons/fulltextred.png)
Optimization of Machining Parameters on Electrochemical Micro Machining of Hastelloy C22 Using Grey Taguchi Method
Subscribe/Renew Journal
Electro Chemical Machining (ECM) is a process that is used to machine extremely hard materials easily. It is a non-contact machining process. This ensures a higher tool life and no friction generated. The entire process is based on faradays laws of electrochemical process. With no heat affected zones (HAZ), this process holds a significant advantage over other high precision processes. This ensures that the material has neither thermal nor any other residual stresses. Nickel based alloys are known for their hardness and non-corrosive properties. This makes them unviable for machining using conventional methods as the overhead costs rise and makes them unproductive for use. ECM provides a better alternative comparatively. The alloy chosen for this analysis is Hastelloy C22. Its higher chromium content gives it better corrosion and pitting resistance. The objective of this analysis is to find the effects of various process parameters on MRR, surface finish, and dimensional deviation. The Taguchi technique has been used to investigate the effects of the ECMM process parameters and subsequently to predict sets of optimal parameters for maximum MRR and better surface finish. Grey analysis is done to find the optimal set of parameters for machining.
Keywords
Hastelloy C22, Machining, Material Removal, Optimization.
User
Subscription
Login to verify subscription
Font Size
Information
- A. Singh, S. Anandita and S. Gangopadhyay. 2015. Microstructural analysis and multiresponse optimization during ECM of Inconel 825 using hybrid approach, J. Materials and Mfg. Processes, 30(7), 842-851.
- B. Bhattacharyya, S. Mitra and A.K.B. Robotic. 2002. Electrochemical machining: new possibilities for micromachining, Robotics and Computer Integrated Mfg., 18, 283-289. https://doi.org/10.1016/S0736-5845(02)00019-4.
- B. Bhattacharyya, J. Munda and M. Malapati. 2004. Advancement in electrochemical micro-machining, Int. J. Machine Tools & Manufacture, 44, 1577-1589. https://doi.org/10.1016/j.ijmachtools.2004.06.006.
- A.K.M. De Silva, H.S.J. Altena and J.A. McGeough. 2000. Precision ECM by process characteristic modelling, CIRP Annals – Mfg. Tech., 49(1), 151-155.
- A.K.M. De Silva, H.S.J. Altena and J.A. McGeough. 2003. Influence of electrolyte concentration on copying accuracy of precision - ECM, CIRP Annals, 52(1), 165-168. https://doi.org/10.1016/S0007-8506(07)60556-3.
- S. Dharmalingam, P. Marimuthu, K. Raja, R. Pandyrajan and R. Surendar. 2014. Optimization of process parameters on MRR and overcut in electrochemical micro machining on metal matrix composites using grey relational analysis, Int. J. Engg. and Tech., 6(2), 519-529.
- P. Govindan, M. Arjun, J. Arjun and S. Akshay. 2013. Analysis of electrochemical micromachining, Int. J. Mgmt., 1, 5-14.
- S. Gowri, P. Ranjithkumar, R. Vijayaraj and A.S.S. Balan. 2007. Micromachining: Technology for the future, Int. J. Materials and Structural Integrity, 1(1/2/3), 161-179.
- J. Kozaka, K.P. Rajurkar and Y. Makkar. 2004. Selected problems of micro-electrochemical machining, J. Materials Processing Tech., 149, 426-431. https://doi.org/10.1016/j.jmatprotec.2004.02.031.
- F. Klockea, M. Zeisa, A. Klinka and D. Veselovaca. 2013. Experimental research on the electrochemical machining of modern titanium and nickel-based alloys for aero engine components, The 17th CIRP Conf. Electro Physical and Chemical Machining, Proc. CIRP, 6, 368-372.
- T. Koyanoa and M. Kunieda. 2013. Ultra-short pulse ECM using electrostatic induction feeding method, The 17th CIRP Conf. Electro Physical and Chemical Machining, Proc. CIRP, 6, 390-394.
- L. Guodong, L. Yong, K. Quancun and T. Hao. 2016. Selection and optimization of electrolyte for micro electrochemical machining on stainless steel 304, 18th CIRP Conf. Electro Physical and Chemical Machining, Proc. CIRP, 42, 412-417.
- L. Yong, Z. Yunfei, Y. Guang and P. Liangqiang. 2003. Localized electrochemical micromachining with gap control, Sensors and Actuators, 108, 144-148. https://doi.org/10.1016/S0924-4247(03)00371-6.
- M.M.K. Reddy. 2013. Influence of pulse period and duty ratio on electrochemical micro machining EMM characteristics, Int. J. Mech. Engg. and Applications, 1(4), 78-86. https://doi.org/10.11648/j.ijmea.20130104.11.
- M.K. Dasa, K. Kumarb, T.Kr. Barmana and P. Sahooa. 2014. Optimization of surface roughness and MRR in electrochemical machining of EN31 tool steel using Grey-Taguchi approach, Proc. Materials Sci., 6, 729-740. https://doi.org/10.1016/j.mspro.2014.07.089.
- A.R. Mihalen and S.J. Harvey. 1986. Avoidance of macro surface defects in electrochemical machining (ECM) of steel work piece, Advance Mfg. Tech., 374-380.
- A. Mohanty, G. Talla, S. Dewangan and S. Gangopadhyay. 2014. Experimental study of material removal rate, surface roughness & microstructure in electrochemical machining of Inconel 825, 5th Int. & 26th All India Mfg. Tech., Design and Research Conf., 174(1-6).
- N. Shibuya, Y. Ito and W. Natsu. 2012. Electrochemical machining of tungsten carbide alloy micro-pin with NaNO3 solution, Int. J. Precision Engg. and Mfg., 13(11), 2075-2078. https://doi.org/10.1007/s12541-012-0273-2.
- W. Natsua and D. Kurahat. 2013. Influence of ECM pulse conditions on WC alloy micro-pin fabrication, The 17th CIRP Conf. Electro Physical and Chemical Machining, Proc. CIRP, 6, 401-406.
- K.P. Rajurkar, M.M. Sundaram and A.P. Malshe. 2013. Review of electrochemical and electro discharge machining, Proc. CIRP, 6, 13-26. https://doi.org/10.1016/j.procir.2013.03.002.
![](https://i-scholar.in/public/site/images/abstractview.png)
Abstract Views: 327
![](https://i-scholar.in/public/site/images/pdfview.png)
PDF Views: 137