{"references": ["E. O. Ezugwu, \"Improvements in the machining of aero-engine alloys\nusing self-propelled rotary tooling technique,\" Journal of Materials\nProcessing Technology, vol. 185, pp. 60-71, 2007.", "Haynes, \"High-Temperature Alloys \u2013 Haynes 25 alloy,\" Haynes\nInternational Inc.,", "Tungaloy, \"Products for Machining High Temp Alloy Materials,\"\nProduct Selection Guide No. 204, Tungaloy Inc., America.", "E. O. Ezugwu, \"Key improvements in the machining of difficult-to-cut\naerospace superalloys,\" International Journal of Machine Tools &\nManufacture, vol. 45, pp. 1353-1367, 2005.", "S. Aykut, E. Bagci, A. Kentli, O. Yazicioglu, \"Experimental observation\nof tool wear, cutting forces and chip morphology in face milling of\ncobalt based super-alloy with physical vapour deposition coated and\nuncoated tool,\" Materials and Design, vol. 28, pp. 1880-1888, 2007.", "V.S. Sharma, M. Dogra, N.M. Suri, \"Cooling techniques for improved\nproductivity in turning,\" Int. J. Mach. Tools Manufact., vol. 49 (6), pp.\n435-453, 2009.", "J. P. Davim, P. S. Sreejith, J. Silva, \"Turning of brasses using minimum\nquantity of lubricant (MQL) and flooded lubricant conditions,\"\nMaterials and Manufacturing Processes, vol. 22 (1), pp. 45-50, 2007.", "N. R. Dhar, M. W. Islam, S. Islam, M. A. H. Mithu, \"The influence of\nminimum quantity of lubrication (MQL) on cutting temperature, chip\nand dimensional accuracy in turning AISI-1040 steel,\" Journal of\nMaterials Processing Technology, vol. 171, pp. 93-99, 2006.", "M. I. Ahmed, A. F. Ismail, Y. A. Abakr, A. N. Amin, \"Effectiveness of\ncryogenic machining with modified tool holder,\" Journal of materials\nprocessing technology, vol. 185 (1), pp. 91-96, 2007.\n[10] Z. Y. Wang, K. P. Rajurkar, \"Cryogenic machining of hard-to-cut\nmaterials,\" Wear, vol. 239 (2), pp. 168-175, 2000.\n[11] M. Dhananchezian, M. P. Kumar, \"Cryogenic turning of the Ti\u20136Al\u20134V\nalloy with modified cutting tool inserts,\" Cryogenics, vol. 51 (1), pp. 34-\n40, 2011.\n[12] K. A. Venugopal, S. Paul, A. B. Chattopadhyay, \"Growth of tool wear in\nturning of Ti-6Al-4V alloy under cryogenic cooling,\" Wear, vol. 262\n(9), pp. 1071-1078, 2007.\n[13] D. Umbrello, F. Micari, I. S. Jawahir, \"The effects of cryogenic cooling\non surface integrity in hard machining: A comparison with dry\nmachining,\" CIRP Annals-Manufacturing Technology, vol. 61 (1), pp.\n103-106, 2012.\n[14] N. R. Dhar, M. Kamruzzaman, \"Cutting temperature, tool wear, surface\nroughness and dimensional deviation in turning AISI-4037 steel under\ncryogenic condition,\" International Journal of Machine Tools and\nManufacture, vol. 47 (5), pp. 754-759, 2007.\n[15] N. R. Dhar, S. Paul, A. B. Chattopadhyay, \"The influence of cryogenic\ncooling on tool wear, dimensional accuracy and surface finish in turning\nAISI 1040 and E4340C steels,\" Wear, vol. 249 (10), pp. 932-942, 2001.\n[16] S. Paul, N. R. Dhar, A. B. Chattopadhyay, \"Beneficial effects of\ncryogenic cooling over dry and wet machining on tool wear and surface\nfinish in turning AISI 1060 steel,\" Journal of Materials Processing\nTechnology, vol. 116 (1), pp. 44-48, 2001.\n[17] M. Sar\u0131kaya, V. Y\u0131lmaz, H. Dilipak, \"Modeling and multi-response\noptimization of milling characteristics based on Taguchi and gray\nrelational analysis,\" Proc IMechE Part B: J Engineering Manufacture,\n(2015), doi: 10.1177/0954405414565136\n[18] M. Sar\u0131kaya, A. G\u00fcll\u00fc, \"Taguchi design and response surface\nmethodology based analysis of machining parameters in CNC turning\nunder MQL,\" Journal of Cleaner Production, vol. 65, pp. 604-616,\n2014.\n[19] T. K\u0131vak, \"Optimization of surface roughness and flank wear using the\nTaguchi method in milling of Hadfield steel with PVD and CVD coated\ninserts,\" Measurement, vol. 50, pp. 19-28, 2014."]}

Haynes 25 alloy (also known as L-605 alloy) is cobalt based super alloy which has widely applications such as aerospace industry, turbine and furnace parts, power generators and heat exchangers and petroleum refining components due to its excellent characteristics. However, the workability of this alloy is more difficult compared to normal steels or even stainless. In present work, an experimental investigation was performed under cryogenic cooling to determine cutting tool wear patterns and obtain optimal cutting parameters in turning of cobalt based superalloy Haynes 25. In experiments, uncoated carbide tool was used and cutting speed (V) and feed rate (f) were considered as test parameters. Tool wear (VBmax) were measured for process performance indicators. Analysis of variance (ANOVA) was performed to determine the importance of machining parameters.