Electric discharge machining (EDM) has been proven as an alternate process for machining complex and intricate shapes from the conductive ceramic composites. based electrodischarge machinable ceramic composite is a potential substitute for traditional materials due to their high hardness, excellent chemical, and mechanical stability under a broad range of temperature, and high specific stiffness. The right selection of the machining condition is the most important aspect to take into consideration in the EDM. The present work correlates the inter-relationships of various EDM machining parameters, namely, discharge current, pulse-on time, duty cycle, and gap voltage on the metal removal rate (MRR), electrode wear ratio (EWR), and surface roughness using the response surface methodology (RSM) while EDM of ceramic composite. Analysis of variance is used to study the significance of process variables on MRR, EWR, and surface roughness. The experimental results reveal that discharge current, pulse-on time, and duty cycle significantly affected MRR and EWR, while discharge current and pulse-on time affected the surface roughness. The validation of developed models shows that the MRR EWR and surface roughness of EDM of ceramic can be estimated with reasonable accuracy using the second-order models. Finally, trust-region method for nonlinear minimization is used to find the optimum levels of the parameters. The surface and subsurface damage have also been assessed and characterized using scanning electron microscopy. This study reveals that EDMed material unevenness increases with discharge current and pulse-on time.
Skip Nav Destination
e-mail: kaushik.patel@nirmauni.ac.in
Article navigation
April 2011
Research Papers
Study on Machinabilty of Ceramic Composite in EDM Using Response Surface Methodology
K. M. Patel,
K. M. Patel
Department of Mechanical Engineering, Institute of Technology,
e-mail: kaushik.patel@nirmauni.ac.in
Nirma University
, Ahmedabad 382 481, India
Search for other works by this author on:
Pulak M. Pandey,
Pulak M. Pandey
Department of Mechanical Engineering,
Indian Institute of Technology Delhi
, New Delhi 110 016, India
Search for other works by this author on:
P. Venkateswara Rao
P. Venkateswara Rao
Department of Mechanical Engineering,
Indian Institute of Technology Delhi
, New Delhi 110 016, India
Search for other works by this author on:
K. M. Patel
Department of Mechanical Engineering, Institute of Technology,
Nirma University
, Ahmedabad 382 481, Indiae-mail: kaushik.patel@nirmauni.ac.in
Pulak M. Pandey
Department of Mechanical Engineering,
Indian Institute of Technology Delhi
, New Delhi 110 016, India
P. Venkateswara Rao
Department of Mechanical Engineering,
Indian Institute of Technology Delhi
, New Delhi 110 016, IndiaJ. Eng. Mater. Technol. Apr 2011, 133(2): 021004 (10 pages)
Published Online: March 3, 2011
Article history
Received:
October 13, 2009
Revised:
August 25, 2010
Online:
March 3, 2011
Published:
March 3, 2011
Citation
Patel, K. M., Pandey, P. M., and Rao, P. V. (March 3, 2011). "Study on Machinabilty of Ceramic Composite in EDM Using Response Surface Methodology." ASME. J. Eng. Mater. Technol. April 2011; 133(2): 021004. https://doi.org/10.1115/1.4003100
Download citation file:
Get Email Alerts
Evaluation of Machine Learning Models for Predicting the Hot Deformation Flow Stress of Sintered Al–Zn–Mg Alloy
J. Eng. Mater. Technol (April 2025)
Blast Mitigation Using Monolithic Closed-Cell Aluminum Foam
J. Eng. Mater. Technol (April 2025)
Irradiation Damage Evolution Dependence on Misorientation Angle for Σ 5 Grain Boundary of Nb: An Atomistic Simulation-Based Study
J. Eng. Mater. Technol (July 2025)
Related Articles
Laser-Assisted Machining of Reaction Sintered Mullite Ceramics
J. Manuf. Sci. Eng (November,2002)
Evaluation of the Performance of CBN Tools When Turning Austempered Ductile Iron Material
J. Manuf. Sci. Eng (October,2008)
Automatic Stripping of Dielectric-Encased Wire Tool Electrode Used in Electrical Discharge Machining
J. Manuf. Sci. Eng (October,2007)
An Investigation of Magnetic-Field-Assisted Material Removal in Micro-EDM for Nonmagnetic Materials
J. Manuf. Sci. Eng (April,2011)
Related Proceedings Papers
Related Chapters
Study of the Effect of Machining Parameters on Material Removal Rate and Electrode Wear during Electric Discharge Machining of Mild Steel
International Conference on Computer and Automation Engineering, 4th (ICCAE 2012)
Surface Analysis and Tools
Tribology of Mechanical Systems: A Guide to Present and Future Technologies
On the Evaluation of Thermal and Mechanical Factors in Low-Speed Sliding
Tribology of Mechanical Systems: A Guide to Present and Future Technologies