ABSTRACT Application of titanium alloy has increased many fields since the past 50 years. The major drawback encountered during machining was difficult to cut and the formation of BUE (Built up Edge). This paper presents the tool wear study of TTI 15 ceramic insert (80% Aluminum oxide and 20 % Titanium carbide) on machining Ti-6Al-4V at moderate speed with and without the application of water soluble servo cut S coolant. Titanium alloy is highly refractory metal and machining titanium is challenging to the manufacturers. Experiments were carried out on medium duty lathe. Application of coolant tends to reduce toolwear and minimize adhesion of the work material on the cutting tool during machining and also improves the surface finish. Result provides some useful information.
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nullM. Namb and D. Paulo, "Influence of Coolant in Machinability of Titanium Alloy (Ti-6Al-4V)," Journal of Surface Engineered Materials and Advanced Technology, Vol. 1 No. 1, 2011, pp. 9-14. doi: 10.4236/jsemat.2011.11002.
 E. M. Trent, “Metal Cutting,” Butterworth-Heinemann, Oxford, 1991.
 E. M. Trent and P. K. Wright, “Metal Cutting,” 3rd Edition, Butterworth Heinemann, Boston, 2000.
 W. Koning, “Applied Research on the Mach Inability of Titanium and Its Alloys,” Proceedings of the 47th Meeting of AGARD, London, September 1978, pp 1-10.
 A. R. Machado and J. Wallbank, “Machining of Titanium and Its Alloys: A Review,” Proceedings’of the Institution of Mechanical Engineers Part B: Management and Engineering Manufacture, Vol. 204, No. 11, 2005, pp. 53-60.
 E. O. Augur and Z. M. Wang, “Titanium Alloys and Their Machinability—A Review,” Journal of Material Processing Technology, Vol. 68, No. 3, 1997, pp. 262-274.
 R. Komanduri and B. F. Von Turkovich, “New Observations on the Mechanisms of Chip Formation When Machining Titanium Alloys,” Wear, Vol. 69, No. 2, 1981, pp. 179-188. doi:10.1016/0043-1648(81)90242-8
 P. D. Hartung and B. M. Kramer, “Tool Wear in Titanium Machining,” CIRP Annals—Manufacturing Technology, Vol. 31, No. 1, 1982, pp. 75-80.
 N. Narutaki, A. Murakoshi, S. Motonishi and H. Takeyama, “Study on Machining Titanium Alloys,” CIRP Annals—Manufacturing Technology, Vol. 32, No. 1, 1982, pp. 65-69.
 Y. Kosaler, J. C. Fanning and S. P. Fox, “Development of Low Cost High Strength Alpha/Beta Tiatanium Alloy with Superior Machinability,” 10th World Conference on Titanium, Hamburg, July 2003, pp. 3028-3034.
 P. A. Dearnley and A. N. Grearson, “Evaluation of Principal Wear Mechanisms of Cemented Carbides and Ceramics Used for Machining Titanium Alloy IMI 318,” Materials Science and Technology, Vol. 2, 1987, pp. 47-58.
 P. A. Dearnley, A. N. Grearson and J. Aucote, “Wear Mechanisms of Cemented Carbides and Ceramics Used for Machining Titanium Alloys,” High-Tech Ceramics, Vol. 38, 1987, pp. 2699-2712.
 Z. M. Wang and E. O. Ezugwu, “Performance of PVD Coated Carbide Tool When Machining Ti-6Al-4V,” Tribology Transactions, 1997, Vol. 40, pp. 81-86. doi:10.1080/10402009708983632
 X. Yang and C. R. Liu, “Machining Titanium and Its Alloys,” Machining Science and Technology, Vol. 3, No. 1, 1999, pp. 107-139. doi:10.1080/10940349908945686
 E. O. Ezugwu, J. Bonneya, R. B. O. C da Silvab and O. ?akir, “Surface Integrity of Finished Turned Ti-6Al-4V Alloy with PCD Tools Using Conventional and High Pressure Coolant Supplies,” International Journal of Machine Tools & Manufacture, Vol. 47, No. , 2007, pp. 884-891.
 J. F. Kahles, D. Eylon, F. H. Froes and M. Field, “Machining of Titanium Alloys,” Journal of Metals, Vol. 37, No. 4, 1985, pp. 27-35.
 L. Zhou, J. Shimizu, A. Muroya and H. Eda, “Material Removal Mechanism beyond Plastic Wave Propagation Rate,” Precision Engineering, Vol. 27, No. 2, 2003, pp. 109-116. doi:10.1016/S0141-6359(02)00124-1
 J. I. Hughes, A. R. C. Sharman and K. Ridgway, “The Effect of Cutting Tool Material and Edge Geometry on Tool Life and Workpiece Surface Integrity,” Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 220, No. 2, 2006, pp. 93-107. doi:10.1243/095440506X78192