Sustainable Nano-fluid-Assisted MQL Machining of Titanium Alloys: A Review of Trends, Barriers, and Future Pathways
DOI:
https://doi.org/10.32628/IJSRMME25961Keywords:
Sustainable Machining, Minimum Quantity Lubrication (MQL), Nanofluids, Titanium AlloysAbstract
This review presents an integrated assessment of the current state-of-the-art in sustainable machining, with particular emphasis on advanced lubrication and cooling strategies for titanium alloys. Given the high strength, low thermal conductivity, and chemical reactivity of titanium alloys, selecting environmentally responsible and effective machining approaches is essential. The review critically examines the growing use of nanoparticle-amended vegetable oils in Minimum Quantity Lubrication (MQL) systems, highlighting their tribological advantages, enhanced heat dissipation, improved wettability, and positive influence on tool wear, cutting forces, surface integrity, and overall machining efficiency. Complementary sustainable techniques including cryogenic cooling, hybrid cooling–lubrication methods, waste-reduction practices, and energy-efficient process optimization are also evaluated to position nano-enhanced MQL within the broader framework of green manufacturing. The discussion further incorporates sustainable manufacturing principles focused on reducing machining stages, minimizing material and energy consumption, and improving operational efficiency. By synthesizing current knowledge and identifying critical research gaps related to nanoparticle stability, high-speed lubrication delivery, mist formation, and environmental impact, this review contributes to directorial future studies toward more resource-efficient, eco-friendly, and high-performance machining solutions for titanium alloys.
References
Bordin, A. et al. (2017) ‘Experimental investigation on the feasibility of dry and cryogenic machining as sustainable strategies when turning ti6al4v produced by additive manufacturing’, Journal of cleaner production, 142, pp.4142–51, http://dx.Doi.Org/10.1016/j.Jclepro.2016.09.209. DOI: https://doi.org/10.1016/j.jclepro.2016.09.209
Dargusch, Matthew S. et al., (2018) ‘Effect of tool wear evolution on chip formation during dry machining of ti-6al-4v alloy’, International journal of machine tools and manufacture 126, pp. 13–17, https://doi.Org/10.1016/j.Ijmachtools.2017.12.003. DOI: https://doi.org/10.1016/j.ijmachtools.2017.12.003
Dawood, Abdulhameed et al., (2015) ‘A comparative study on the machinability of Ti-6Al-4V using conventional flood coolant and sustainable dry machining’, International journal of machining and machinability of materials17(6),pp.507–528, DOI: https://doi.org/10.1504/IJMMM.2015.073721
Sharma, Jagdeep, et al., (2014) ‘ Investigation of effects of dry and near dry machining on AISI D2 steel using vegetable oil’,Journal of cleaner production 66,pp.619–623,http://dx.Doi.Org/10.1016/j.Jclepro.2013.11.042. DOI: https://doi.org/10.1016/j.jclepro.2013.11.042
Kannan, Suresh, et al., (2018) ‘Anti-friction and wetting behavior of a new polymer composite coating towards aluminium and dry machining of AA2024 alloy by coated end mills’, Journal of materials processing technology 252,pp.280–293, http://dx.Doi.Org/10.1016/j.Jmatprotec.2017.09.033 DOI: https://doi.org/10.1016/j.jmatprotec.2017.09.033
Thakur, A., et al., (2016) ‘Dry machining of nickel-based super alloy as a sustainable alternative using TiN/TiAlN coated tool’, Journal of cleaner production 129,pp.256–268,http://dx.Doi.Org/10.1016/j.Jclepro.2016.04.074. DOI: https://doi.org/10.1016/j.jclepro.2016.04.074
Goindi, Gyanendra singh, et al., (2017) ‘Dry machining: A step towards sustainable machining – challenges and future directions’, Journal of cleaner production 165, pp.1557–1571. DOI: https://doi.org/10.1016/j.jclepro.2017.07.235
Tebaldo, Vincenzo, et al., (2017) ‘Sustainability in machining: ‘eco-friendly’ turning of Inconel 718. Surface characterisation and economic analysis’, Journal of cleaner production 140, pp.1567–1577. DOI: https://doi.org/10.1016/j.jclepro.2016.09.216
Simunovic, Katica, et al., (2015) ‘Single and multiple goal optimization of structural steel face milling process considering different methods of cooling/lubricating’, Journal of cleaner production 94, pp. 321–329,http://dx.Doi.Org/10.1016/j.Jclepro.2015.02.015. DOI: https://doi.org/10.1016/j.jclepro.2015.02.015
Çolak, Ot uz (2014) ‘Optimization of machining performance in high-pressure assisted turning of Ti6Al4V alloy’, Strojniski vestnik /Journal of mechanical engineering 60(10), pp. 675–681. DOI: https://doi.org/10.5545/sv-jme.2013.1079
Mohsan, Aziz ui Hassan, et al., (2017) ‘A review on the progress towards improvement in surface integrity of Inconel 718 under high pressure and flood cooling conditions’, International journal of advanced manufacturing technology 91(1–4), pp.107–125,http://dx.Doi.Org/10.1007/s00170-016-9737-3. DOI: https://doi.org/10.1007/s00170-016-9737-3
Mia et al., (2018) ‘Effects of duplex jets high-pressure coolant on machining temperature and machinability of Ti-6Al-4V superalloy’, Journal of materials processing technology 252, pp. 688–696 ,http://dx.Doi.Org/10.1016/j.Jmatprotec.2017.10.040. DOI: https://doi.org/10.1016/j.jmatprotec.2017.10.040
Suárez (2016) ‘Effects of High-Pressure Cooling on the Wear Patterns on Turning Inserts Used on Alloy In718’, Journal of materials and manufacturing process32(06), pp. 678-686, https://doi.org/10.1080/10426914.2016.1244838 DOI: https://doi.org/10.1080/10426914.2016.1244838
Polvorosa, R. et al., (2017) ‘Tool wear on nickel alloys with different coolant pressures: comparison of alloy 718 and waspaloy’, Journal of manufacturing processes 26, pp.44–56, http://dx.Doi.Org/10.1016/j.Jmapro.2017.01.012. DOI: https://doi.org/10.1016/j.jmapro.2017.01.012
Mia, Mozammel, et al., (2016) ‘Prediction of surface roughness in hard turning under high pressure coolant using artificial neural network’, Measurement: Journal of the International measurement confederation 92, pp. 464–474. DOI: https://doi.org/10.1016/j.measurement.2016.06.048
Mia et al., (2017) ‘Optimization of surface roughness and cutting temperature in high-pressure coolant-assisted hard turning using taguchi method’, Int. Journal of Advance Manufacturing Technology 88(1–4), pp. 739–753,http://dx.Doi.Org/10.1007/s00170-016-8810-2. DOI: https://doi.org/10.1007/s00170-016-8810-2
Braham-Bouchnak, Tarek, et al., (2015) ‘Influence of high-pressure coolant assistance on the machinability of the titanium alloy Ti555-3’, Machining science and technology 19(1), pp. 134–151. DOI: https://doi.org/10.1080/10910344.2014.991029
Bermingham, M. J. et al., (2014) ‘Advantages of milling and drilling Ti-6Al-4V components with high-pressure coolant’, Int. Journal of Advance Manufacturing Technology 72(1–4), pp. 77–88. DOI: https://doi.org/10.1007/s00170-014-5666-1
Ayed, Y., et al., (2015) ‘Tool wear analysis and improvement of cutting conditions using the high-pressure water-jet assistance when machining the Ti17 titanium alloy’, Precision engineering 42, pp. 294–301, http://linkinghub.Elsevier.Com/retrieve/pii/S0141635915001063. DOI: https://doi.org/10.1016/j.precisioneng.2015.06.004
Uysal, Alper, et al., (2015) ‘Applying minimum quantity lubrication (MQL) method on milling of martensitic stainless steel by using nano MoS2 reinforced vegetable cutting fluid’, Procedia - social and behavioral sciences 195, pp. 2742–2747, http://linkinghub.Elsevier.Com/retrieve/pii/S187704281503863X. DOI: https://doi.org/10.1016/j.sbspro.2015.06.384
Paul, et al., (2017) ‘Grinding of Ti-6Al-4V under small quantity cooling lubrication environment using Alumina and MWCNT nanofluids’, Journal of materials and manufacturing process32(06), pp. 608-615, https://doi.org/10.1080/10426914.2016.1257797 DOI: https://doi.org/10.1080/10426914.2016.1257797
Sharma, Anuj kumar, et al., (2016) ‘Effects of minimum quantity lubrication (MQL) in machining processes using conventional and nanofluid based cutting fluids: A comprehensive review’, Journal of cleaner production 127, pp.1–18. http://dx.Doi.Org/10.1016/j.Jclepro.2016.03.146. DOI: https://doi.org/10.1016/j.jclepro.2016.03.146
Sayuti, Mohd, et al., (2014) ‘Novel uses of SiO2 nano-lubrication system in hard turning process of hardened steel AISI4140 for less tool wear, surface roughness and oil consumption’, Journal of cleaner production 67, pp. 265–276. http://dx.Doi.Org/10.1016/j.Jclepro.2013.12.052. DOI: https://doi.org/10.1016/j.jclepro.2013.12.052
Rapeti, Padmini, et al., (2016) ‘Performance evaluation of vegetable oil based nano cutting fluids in machining using grey relational analysis-a step towards sustainable manufacturing’, Journal of cleaner production 172, pp. 2862–2875,
Padmini, R., et al., (2016) ‘Effectiveness of vegetable oil based nano fluids as potential cutting fluids in turning AISI 1040 steel’, Tribology international 94, pp. 490–501,http://dx.Doi.Org/10.1016/j.Triboint.2015.10.006. DOI: https://doi.org/10.1016/j.triboint.2015.10.006
Kim, Hyun Joon, et al., (2016) ‘Nano-lubrication: A review’, International journal of precision engineering and manufacturing 17(6), pp. 829–841. DOI: https://doi.org/10.1007/s12541-016-0102-0
Gupta, Munish kumar, et al., (2016) ‘Optimization of machining parameters and cutting fluids during nano-fluid based minimum quantity lubrication turning of titanium alloy by using evolutionary techniques’, Journal of cleaner production 135, pp. 1276–1288, http://dx.Doi.Org/10.1016/j.Jclepro.2016.06.184. DOI: https://doi.org/10.1016/j.jclepro.2016.06.184
Hegab, H. et al., (2018) ‘On machining of Ti-6Al-4V using multi-walled carbon nanotubes-based nano-fluid under minimum quantity lubrication’, The International Journal of Advanced Manufacturing Technology, https://doi.org/10.1007/s00170-018-2028-4 DOI: https://doi.org/10.1007/s00170-018-2028-4
Deiab, Ibrahim, et al., (2014) ‘Analysis of lubrication strategies for sustainable machining during turning of titanium Ti-6Al-4V alloy’, Procedia CIRP 17: 766–771,http://dx.Doi.Org/10.1016/j.Procir.2014.01.112. DOI: https://doi.org/10.1016/j.procir.2014.01.112
Do, the-Vinh, et al., (2016) ‘Optimization of minimum quantity lubricant conditions and cutting parameters in hard milling of AISI H13 steel’, Applied sciences 6(3), pp. 83,http://www.Mdpi.Com/2076-3417/6/3/83. DOI: https://doi.org/10.3390/app6030083
Park, Kyung Hee et al., (2017) ‘Milling of titanium alloy with cryogenic cooling and minimum quantity lubrication (MQL)’, International journal of precision engineering and manufacturing 18(1), pp. 5–14. DOI: https://doi.org/10.1007/s12541-017-0001-z
Priarone, Paolo C., et al., (2015) ‘Effectiveness of minimizing cutting fluid use when turning difficult-to-cut alloys’, In procedia CIRP, elsevier B.V., 341–346,http://dx.Doi.Org/10.1016/j.Procir.2015.02.006. DOI: https://doi.org/10.1016/j.procir.2015.02.006
Sarıkaya, Murat, et al., (2016) ‘Analysis of cutting parameters and cooling/lubrication methods for sustainable machining in turning of haynes 25 superalloy’, Journal of cleaner production 133, pp. 172–181,http://dx.Doi.Org/10.1016/j.Jclepro.2016.05.122. DOI: https://doi.org/10.1016/j.jclepro.2016.05.122
Sharma, Vishal S, et al., (2015) ‘A review on minimum quantity lubrication for machining processe’, Materials and manufacturing, 30(8), pp. 935–953. DOI: https://doi.org/10.1080/10426914.2014.994759
Wang, Yaogang et al., (2016) ‘Experimental evaluation of the lubrication properties of the wheel/workpiece interface in minimum quantity lubrication (MQL) grinding using different types of vegetable oils’, Journal of cleaner production 127, pp.487–499, http://dx.Doi.Org/10.1016/j.Jclepro.2016.03.121. DOI: https://doi.org/10.1016/j.jclepro.2016.03.121
Mia, Mozammel (2017) ‘Multi-response optimization of end milling parameters under through-tool cryogenic cooling condition’, Measurement: journal of the international measurement confederation 111(July), pp.134–45, http://dx.Doi.Org/10.1016/j.Measurement.2017.07.033. DOI: https://doi.org/10.1016/j.measurement.2017.07.033
Sadik, M. Ibrahim, et al., (2016) ‘Influence of coolant flow rate on tool life and wear development in cryogenic and wet milling of Ti-6Al-4V’, Procedia CIRP 46, pp. 91–94. DOI: https://doi.org/10.1016/j.procir.2016.02.014
Osman et al., (2018) ‘Application of minimum quantity lubrication techniques in machining process of titanium alloy for sustainability: a review’, The International Journal of Advanced Manufacturing Technology, https://doi.org/10.1007/s00170-018-2813-0 DOI: https://doi.org/10.1007/s00170-018-2813-0
Benedicto, E., et al., (2017) ‘Technical, economic and environmental review of the lubrication/cooling systems used in machining processes’, Procedia engineering 184, pp. 99–116, http://dx.Doi.Org/10.1016/j.Proeng.2017.04.075. DOI: https://doi.org/10.1016/j.proeng.2017.04.075
Yıldırım, et al., (2017) ‘Determination of MQL parameters contributing to sustainable machining in the milling of nickel-base superalloy waspaloy’, Arabian journal for science and engineering ,42(11), pp. 4667–4681. DOI: https://doi.org/10.1007/s13369-017-2594-z
Boswell, B. et al., (2017) ‘A review identifying the effectiveness of minimum quantity lubrication (MQL) during conventional machining. The International Journal of Advanced Manufacturing Technology 92(1–4): 321–40. DOI: https://doi.org/10.1007/s00170-017-0142-3
Mia, Mozammel et al., (2018) ‘An approach to cleaner production for machining hardened steel using different cooling-lubrication conditions’, Journal of cleaner production 187, pp. 1069–1081. DOI: https://doi.org/10.1016/j.jclepro.2018.03.279
Makhesana, M.A., et al., (2018) ‘Experimental investigations on the effect of process parameters with the use of minimum quantity solid lubrication in turning’, AIP conference proceedings 1943. DOI: https://doi.org/10.1063/1.5029621
Sartori, S., et al., (2018) ‘Solid lubricant-assisted minimum quantity lubrication and cooling strategies to improve Ti-6Al-4V machinability in finishing turning’, Tribology International 118, pp. 287–294, https://doi.org/10.1016/j.triboint.2017.10.010. DOI: https://doi.org/10.1016/j.triboint.2017.10.010
Paturi, Uma Maheshwera Reddy, et al., (2016) ‘Measurement and analysis of surface roughness in WS2 solid lubricant assisted minimum quantity lubrication (MQL) turning of Inconel 718’, Procedia CIRP 40, pp. 138–143. DOI: https://doi.org/10.1016/j.procir.2016.01.082
Padmini, R., et al., (2015) ‘Performance assessment of micro and nano solid lubricant suspensions in vegetable oils during machining’, Proceedings of the Institution of Mechanical Engineers, part b: Journal of Engineering manufacture 229(12), pp. 2196–2204. DOI: https://doi.org/10.1177/0954405414548465
Najiha, M. S., et al., (2016) ‘Performance of water-based TiO2 nanofluid during the minimum quantity lubrication machining of aluminium alloy, AA6061-T6’, Journal of cleaner production,135, pp. 1623-
1636, http://dx.doi.org/10.1016/j.jclepro.2015.12.015. DOI: https://doi.org/10.1016/j.jclepro.2015.12.015
Saleem, Muhammad Qaiser, et al., (2017) ‘Air-assisted boric acid solid powder lubrication in surface grinding: an investigation into the effects of lubrication parameters on surface integrity of AISI 1045’, The International Journal of Advanced Manufacturing Technology 91(9–12), pp. 3561–3572, http://dx.doi.org/10.1007/s00170-016-9982-5. DOI: https://doi.org/10.1007/s00170-016-9982-5
Kien Nguyen, et al., (2016) ‘Experimental results on lamellar-type solid lubricants in enhancing minimum quantity lubrication machining’, Journal of manufacturing science and engineering 138(10), pp. 101011, http://manufacturingscience.Asmedigitalcollection.Asme.Org/article.Aspx?Doi=10.1115/1.4033995. DOI: https://doi.org/10.1115/1.4033995
Kiliçay, Koray, et al., (2016) ‘Investigation of the solid lubrication effect of commercial boron-based compounds in end milling’, International journal of precision engineering and manufacturing 17(4), pp. 517–524. DOI: https://doi.org/10.1007/s12541-016-0065-1
Janak B. Valaki, et al., (2016) ‘Investigations on technical feasibility of Jatropha curcas oil based bio dielectric fluid for sustainable electric discharge machining (EDM). Journal of Manufacturing Processes 22: 151–160. DOI: https://doi.org/10.1016/j.jmapro.2016.03.004
Padmini Rapeti , et al., (2018) ‘ Performance evaluation of vegetable oil based nano cutting fluids in machining using grey relational analysis-A step towards sustainable manufacturing’, Journal of Cleaner Production 172 , pp. 2862-2875 DOI: https://doi.org/10.1016/j.jclepro.2017.11.127
Vinay Varghese, et al., (2018) ‘Experimental investigation and optimization of machining parameters for sustainable machining. Materials and Manufacturing Processes, Tailor & Francis ISSN: 1042-6914 (Print) 1532-2475 (Online) https://DOI: 10.1080/10426914.2018.1476760 DOI: https://doi.org/10.1080/10426914.2018.1476760
Taoheed O. Sadiq, et al., (2018) ‘Energy Consideration in Machining Titanium Alloys with a Low Carbon Manufacturing Requirements: A Critical Review’, International Journal of Engineering Research in Africa, ISSN: 1663-4144, Vol. 35, pp 89-107, https://doi:10.4028/www.scientific.net/JERA.35.89 DOI: https://doi.org/10.4028/www.scientific.net/JERA.35.89
H.A. Hegab, et al., (2018) ‘Towards sustainability assessment of machining processes’, Journal of Cleaner Production 170, pp. 694-703. DOI: https://doi.org/10.1016/j.jclepro.2017.09.197
Janak B. Valaki et al., (2015) ‘Assessment of operational feasibility of waste vegetable oil based bio-dielectric fluid for sustainable electric discharge machining (EDM)’, The International Journal of Advanced Manufacturing Technology, https://DOI 10.1007/s00170-015-7169-0 DOI: https://doi.org/10.1007/s00170-015-7169-0
Janak B. Valaki et al., (2015) ‘Investigating Feasibility through Performance Analysis of Green Dielectrics for Sustainable Electric Discharge Machining’, Materials and Manufacturing Processes, https://DOI:10.1080/10426914.2015.1070430 DOI: https://doi.org/10.1080/10426914.2015.1070430
Rakesh Kumar Gunda, Narala Suresh Kumar Reddya,, H.A. Kishawyb, 2016, “A Novel Technique to Achieve Sustainable Machining System”,13th Global Conference on Sustainable Manufacturing - Decoupling Growth from Resource Use , Procedia CIRP 40 ,pp. 30-34. https://doi.org/10.1016/j.procir.2016.01.045 DOI: https://doi.org/10.1016/j.procir.2016.01.045
Hamed Hassanpour, Mohammad H. Sadeghi, Amir Rasti, Shaghayegh Shajari, 2016, “Investigation of surface roughness, microhardness and white layer thickness in hard milling of AISI 4340 using minimum quantity lubrication”, Journal of cleaner production 120, pp.124-134. http://dx.doi.org/10.1016/j.jclepro.2015.12.091 DOI: https://doi.org/10.1016/j.jclepro.2015.12.091
Durga Venkata Prasad Ramena et al., (2024) ‘Sustainable green cutting fluid for interpreting optimization of process variables while machining on various CNC manufacturing systems—an experimental approach for exploring’, The International Journal of Advanced Manufacturing Technology (2025)136, pp. 329–342, https://doi.org/10.1007/s00170-024-14028-2 DOI: https://doi.org/10.1007/s00170-024-14028-2
Kara, F.(2024) ‘Investigation of the Effect of Al2O3 Nanoparticle-Added MQL Lubricant on Sustainable and Clean Manufacturing’, Lubricants 2024, 12, pp.393. https://doi.org/10.3390/lubricants12110393 DOI: https://doi.org/10.3390/lubricants12110393
Fu, M et al., (2024) ‘Investigation of Surface Integrity of 304 Stainless Steel in Turning Process with Nanofluid Minimum-Quantity Lubrication Using h-BN Nanoparticles’, Metals 2024, 14 (5),pp. 583. https://doi.org/10.3390/met14050583 DOI: https://doi.org/10.3390/met14050583
Chu, A et al., (2023) ‘Nanofluids Minimal Quantity Lubrication Machining: From Mechanisms to Application’, Lubricants 2023, 11 (10),pp.422. https://doi.org/10.3390/lubricants11100422 DOI: https://doi.org/10.3390/lubricants11100422
Eltaggaz, A.; Ali, S.; Badwal, K.; Deiab, I.(20243 ‘Influence of Nanoparticle Concentration in Nanofluid MQL on Cutting Forces, Tool Wear, Chip Morphology When Milling of Inconel 718’, The International Journal of Advanced Manufacturing Technology 2023, 129,pp. 1787–1800. https://doi.org/10.1007/s00170-023-12393-y DOI: https://doi.org/10.1007/s00170-023-12393-y
Azami, A et al., (2023) ‘Influence of Nano-Minimum Quantity Lubrication with MoS₂ and CuO Nanoparticles on Cutting Forces and Surface Roughness during Grinding of AISI D2 Steel’, Journal of Manufacturing Processes Vol. 87, pp.209–220. https://doi.org/10.1016/j.jmapro.2023.01.029 DOI: https://doi.org/10.1016/j.jmapro.2023.01.029
Bai, X et al., (2023) ‘Tribological Performance of Different Concentrations of Al₂O₃ Nanofluids on Minimum Quantity Lubrication Milling’, Chinese Journal of Mechanical Engineering 2023, 36,pp.11. https://doi.org/10.1186/s10033-022-00830-0 DOI: https://doi.org/10.1186/s10033-022-00830-0
Mane, P.A et al., (2022) ‘ Inconel 718 Turning Process Parameters Optimization with MQL Nanofluid Based on CuO Nanoparticles’, Journal of Nanomaterials, Article ID 1408529, https://doi.org/10.1155/2022/1408529 DOI: https://doi.org/10.1155/2022/1408529
Venkatesan, K.(2022) ‘Machining of Different Superalloys under MQL Using h-BN Nanofluids’,Advances in Materials and Processing Technologies, pp. 1–15. https://doi.org/10.1080/2374068X.2022.2133720 DOI: https://doi.org/10.1080/2374068X.2022.2133720
Xiao,B. et al.,. (2024) ‘ The Effect of MoS₂ and MWCNTs Nanomicro Lubrication on the Process of 7050 Aluminum Alloy’, Processes Vol. 2024 12, 68. H DOI: https://doi.org/10.3390/pr12010068
Yang, Q. et al. (2022) ‘The effect of addition of MWCNT nanoparticles to CryoMQL conditions on tool wear patterns, tool life, roughness, and temperature in turning of Ti–6Al–4 V.’ Int J Adv Manuf Technol 120, pp.5587–5604. https://doi.org/10.1007/s00170-022-09101-7 DOI: https://doi.org/10.1007/s00170-022-09101-7
