Machining Performance and Optimizing Machining Parameters of Al2O3–TiC Ceramics Using EDM Based on the Taguchi Method
- 26 March 2009
- journal article
- research article
- Published by Taylor & Francis in Materials and Manufacturing Processes
- Vol. 24 (6) , 667-674
Abstract
Investigating machining performance of conductive ceramics (Al2O3 + 30 vol% TiC) using electrical discharge machining (EDM) is the aim of this work. The EDM machining parameters such as machining polarity, peak current, auxiliary current with high voltage, pulse duration, no load voltage, and servo reference voltage were chosen to explore the effects on material removal rate (MRR), electrode wear rate (EWR), and surface roughness (SR). The L18 orthogonal array based on the Taguchi experimental method was adopted to determine EDM machining characteristics systemically, and the experimental data were statistically analyzed by analysis of variance (ANOVA). Experimental results showed EDM is a feasible process to shape conductive ceramics, and relationships between machining characteristics and parameters were examined. Moreover, machining parameter optimal combination levels in machining conductive ceramics via EDM were also determined.Keywords
This publication has 23 references indexed in Scilit:
- Methodology for developing technological tables used in EDM processes of conductive ceramicsJournal of Materials Processing Technology, 2007
- Material removal rate and electrode wear study on the EDM of silicon carbideJournal of Materials Processing Technology, 2005
- High Aspect Ratio and Complex Shaped Blind Micro Holes by Micro EDMCIRP Annals, 2002
- EDM-Lathe for MicromachiningCIRP Annals, 2002
- Material removal by spalling during EDM of ceramicsJournal of the European Ceramic Society, 2000
- Investigation of silicon wafering by wire EDMJournal of Materials Science, 1992
- Modeling of Thermal Spalling During Electrical Discharge Machining of Titanium DiborideJournal of the American Ceramic Society, 1991
- Micro electro-discharge machining using water as a working fluid 2: Narrow slit fabricationPrecision Engineering, 1990
- Electrical discharge machining of carbon fibre composite materialsInternational Journal of Machine Tools and Manufacture, 1990
- EDM-Future Steps towards the Machining of CeramicsCIRP Annals, 1988