Examining of Tool Wear in Cryogenic Machining of Cobalt-Based Haynes 25 Superalloy

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.




References:
[1] E. O. Ezugwu, “Improvements in the machining of aero-engine alloys
using self-propelled rotary tooling technique,” Journal of Materials
Processing Technology, vol. 185, pp. 60-71, 2007.
[2] Haynes, “High-Temperature Alloys – Haynes 25 alloy,” Haynes
International Inc.,
[3] Tungaloy, “Products for Machining High Temp Alloy Materials,”
Product Selection Guide No. 204, Tungaloy Inc., America.
[4] E. O. Ezugwu, “Key improvements in the machining of difficult-to-cut
aerospace superalloys,” International Journal of Machine Tools &
Manufacture, vol. 45, pp. 1353-1367, 2005.
[5] S. Aykut, E. Bagci, A. Kentli, O. Yazicioglu, “Experimental observation
of tool wear, cutting forces and chip morphology in face milling of
cobalt based super-alloy with physical vapour deposition coated and
uncoated tool,” Materials and Design, vol. 28, pp. 1880-1888, 2007.
[6] V.S. Sharma, M. Dogra, N.M. Suri, “Cooling techniques for improved
productivity in turning,” Int. J. Mach. Tools Manufact., vol. 49 (6), pp.
435-453, 2009.
[7] J. P. Davim, P. S. Sreejith, J. Silva, “Turning of brasses using minimum
quantity of lubricant (MQL) and flooded lubricant conditions,”
Materials and Manufacturing Processes, vol. 22 (1), pp. 45-50, 2007.
[8] N. R. Dhar, M. W. Islam, S. Islam, M. A. H. Mithu, “The influence of
minimum quantity of lubrication (MQL) on cutting temperature, chip
and dimensional accuracy in turning AISI-1040 steel,” Journal of
Materials Processing Technology, vol. 171, pp. 93-99, 2006.
[9] M. I. Ahmed, A. F. Ismail, Y. A. Abakr, A. N. Amin, “Effectiveness of
cryogenic machining with modified tool holder,” Journal of materials
processing technology, vol. 185 (1), pp. 91-96, 2007.
[10] Z. Y. Wang, K. P. Rajurkar, “Cryogenic machining of hard-to-cut
materials,” Wear, vol. 239 (2), pp. 168-175, 2000.
[11] M. Dhananchezian, M. P. Kumar, “Cryogenic turning of the Ti–6Al–4V
alloy with modified cutting tool inserts,” Cryogenics, vol. 51 (1), pp. 34-
40, 2011.
[12] K. A. Venugopal, S. Paul, A. B. Chattopadhyay, “Growth of tool wear in
turning of Ti-6Al-4V alloy under cryogenic cooling,” Wear, vol. 262
(9), pp. 1071-1078, 2007.
[13] D. Umbrello, F. Micari, I. S. Jawahir, “The effects of cryogenic cooling
on surface integrity in hard machining: A comparison with dry
machining,” CIRP Annals-Manufacturing Technology, vol. 61 (1), pp.
103-106, 2012.
[14] N. R. Dhar, M. Kamruzzaman, “Cutting temperature, tool wear, surface
roughness and dimensional deviation in turning AISI-4037 steel under
cryogenic condition,” International Journal of Machine Tools and
Manufacture, vol. 47 (5), pp. 754-759, 2007.
[15] N. R. Dhar, S. Paul, A. B. Chattopadhyay, “The influence of cryogenic
cooling on tool wear, dimensional accuracy and surface finish in turning
AISI 1040 and E4340C steels,” Wear, vol. 249 (10), pp. 932-942, 2001.
[16] S. Paul, N. R. Dhar, A. B. Chattopadhyay, “Beneficial effects of
cryogenic cooling over dry and wet machining on tool wear and surface
finish in turning AISI 1060 steel,” Journal of Materials Processing
Technology, vol. 116 (1), pp. 44-48, 2001.
[17] M. Sarıkaya, V. Yılmaz, H. Dilipak, “Modeling and multi-response
optimization of milling characteristics based on Taguchi and gray
relational analysis,” Proc IMechE Part B: J Engineering Manufacture,
(2015), doi: 10.1177/0954405414565136
[18] M. Sarıkaya, A. Güllü, “Taguchi design and response surface
methodology based analysis of machining parameters in CNC turning
under MQL,” Journal of Cleaner Production, vol. 65, pp. 604-616,
2014.
[19] T. Kıvak, “Optimization of surface roughness and flank wear using the
Taguchi method in milling of Hadfield steel with PVD and CVD coated
inserts,” Measurement, vol. 50, pp. 19-28, 2014.