Electrochemical surface modification of Ti6Al4V: positioning electrochemical machining as a low-valence dissolution pathway for enhanced performance
Review paper
DOI:
https://doi.org/10.5599/jese.3078Keywords:
Titanium alloy, surface modification techniques, anodization, plasma electrolytic oxidation, electrochemical polishing, valence-controlled dissolutionAbstract
The automotive, aerospace, biomedical, and other engineering sectors make substantial use of Ti6Al4V titanium alloy, known for its high strength-to-weight ratio, corrosion resistance, and biocompatibility, but it often suffers from poor tribological performance and low surface hardness. To increase durability, a variety of surface modification techniques have been investigated, including chemical etching, shot peening, thermal oxidation, laser surface texturing, and physical vapor deposition. However, these methods frequently entail high thermal input and mechanical stress with limited control over surface chemistry. Electrochemical methods, on the other hand, allow uniform and precise alteration of surface morphology without thermal or mechanical damage. Among these, anodization and plasma electrolytic oxidation (PEO) facilitate hardening and stress-free surfaces but suffer from passive film formation, porosity and micro-cracks, while electrochemical polishing (ECP) yields much better surface finish but at high energy cost and causes passive film formation. In this review, electrochemical machining (ECM), typically viewed as a subtractive method for material removal, is reevaluated as a process for both material removal and functional surface tailoring. Despite its application for removing material, ECM promotes valence-controlled dissolution that favours the formation of lower oxidation states of titanium. It also inhibits the formation of passive films and enables the formation of atomically smooth surfaces. The present study provides a novel theoretical framework for customizing Ti6Al4V surfaces with improved functional and morphological properties by integrating ECM with anodization, PEO and ECP within the broader paradigm of electrochemical surface engineering.
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[1] M. Weinmann, M. Stolpe, O. Weber, R. Busch, H. Natter, Electrochemical dissolution behaviour of Ti90Al6V4 and Ti60Al40 used for ECM applications, Journal of Solid State Electrochemistry 19 (2015) 485-495. http://dx.doi.org/10.1007/s10008-014-2621-x
[2] C. Prakash, H.K. Kansal, B. S. Pabla S. Puri, Powder mixed electric discharge machining: an innovative surface modification technique to enhance fatigue performance and bioactivity of β Ti implant for orthopedics application, Journal of Computing and Information Science in Engineering 16(4) (2016) 041006. https://doi.org/10.1115/1.4033901
[3] X. Lu, Y. Leng, Electrochemical micromachining of titanium surfaces for biomedical applications, Journal of Materials Processing Technology 169(2) (2005) 173-178. 10.1016/j.jmatprotec.2005.04.040
[4] S. Li, Y. Wu, M. Nomura, T. Fujii, Fundamental machining characteristics of ultrasonic-assisted electrochemical grinding of Ti6Al4V, Journal of Manufacturing Science and Engineering 140(7) (2018) 071009. https://doi.org/10.1115/1.4039855
[5] L. C. Zhang, Y. C. Liang W. Liqiang, Surface modification of titanium and titanium alloys: technologies, developments, and future interests, Advanced Engineering Materials 22(5) (2020) 1901258. https://doi.org/10.1002/adem.202070017
[6] A. Pawar, D. Kamble, D. B. Jadhav, Experimental investigation on titanium alloys for machining of stepped circular holes using ultrasonic-assisted hybrid ECM, Journal of Engineering and Applied Science 71(1) (2024) 58. https://doi.org/10.1186/s44147-024-00395-w
[7] D. S. Patel, V. Sharma, V. K Jain, J. Ramkumar, Sustainable electrochemical micromachining using atomized electrolyte flushing, Journal of The Electrochemical Society 168(4) (2021) 043504. https://doi.org/10.1149/1945-7111/ABF4E9
[8] W. Cao, D. Wang, G. Cui, J. Zhang, D. Zhu, Improvement on the machining accuracy of titanium alloy casing during counter-rotating electrochemical machining by using an insulation coating, Surface and Coatings Technology 443 (2022) 128585. https://doi.org/10.1016/j.surfcoat.2022.128585
[9] Y. Cheng, Y. Wang, J. Lin, S. Xu, P. Zhang, Research status of the influence of machining processes and surface modification technology on the surface integrity of bearing steel materials, International Journal of Advance Manufacturing Technology 125(7) (2023) 2897-2923.https://doi.org/10.1007/s00170-023-10960-x
[10] M. Painuly, R.P. Singh, R. Trehan, Investigation into electrochemical machining of aviation grade inconel 625 super alloy: an experimental study with advanced optimization and microstructural analysis, Aircraft Engineering and Aerospace Technology 97(2) (2025) 137-148. https://doi.org/10.1108/AEAT-08-2023-0211
[11] K. Gao, Y. Zhang, J. Yi, F. Dong, P. Chen, Overview of surface modification techniques for titanium alloys in modern material science: a comprehensive analysis, Coatings 14(1) (2024) 148. https://doi.org/10.3390/coatings14010148
[12] P. L. Fauchais, J. V. R. Heberlein, M. I. Boulos, Thermal Spray Fundamentals: From Powder to Part, Springer, New York, 2014. https://doi.org/10.1007/978-0-387-68991-3
[13] S. Singh, S. Kumar, V. Khanna, H. Singh, Reliable surface modification techniques, in Thermal Spray Coatings: Materials, Techniques and Applications, S. Kuma, V. Khanna Eds., Bentham Science, Sharjah, UAE, 2024, 43-75. https://doi.org/10.2174/9789815223552124010005
[14] P. Vijaya Kumar, C. Velmurugan, Surface treatments and surface modification techniques for 3D built materials, in Innovations in Additive Manufacturing, M. Adam Khan, J. T. Winowlin Jappes, Eds., Springer Cham, Switzerland, 2022, 189-220. https://doi.org/10.1007/978-3-030-89401-6
[15] W. Okuniewski, M. Walczak M. Szala, Effects of shot peening and electropolishing treatment on the properties of additively and conventionally manufactured Ti6Al4V alloy, Materials 17(4) (2024) 934. https://doi.org/10.3390/ma17040934
[16] B. Xie, K. Gao, Research progress of surface treatment technologies on titanium alloys: a mini review, Coatings 13(9) (2023) 1486. https://doi.org/10.3390/coatings13091486
[17] S. K. Singh, D. Sharma, N. Alam, S. K. Yadav, Enhancing the tribological properties of surfaces through various surface modification and coating techniques, in Machining and Tribology of Advanced Materials: From Coatings, Lubrications, Surface Treatments to Modeling and Simulation, N. K. Singh, R. K. Verma, V. Kumar, J. P. Davim, Eds., De Gruyter, Berlin/Boston, Germany/USA, 2025, 107-125. http://dx.doi.org/10.1515/9783111377292-006
[18] V. Fiore, F. Di Franco, R. Miranda, M. Santamaria, D. Badagliacco, A. Valenza, Effects of anodizing surface treatment on the mechanical strength of aluminum alloy 5083 to fibre reinforced composites adhesive joints, International Journal of Adhesion and Adhesives 108 (2021) 102868. https://doi.org/10.1016/j.ijadhadh.2021.102868
[19] P. Pesode, S. Barve, Surface modification of titanium and titanium alloy by plasma electrolytic oxidation process for biomedical applications, Materials Today: Proceedings 46 (2021) 594-602. https://doi.org/10.1016/j.matpr.2020.11.294
[20] T. O. B. Polo, W. P. P. Silva, G. A. C. Momesso, T. J. Lima Neto, S. Barbosa, J. M. Cordeiro, L. P. Faverani, Plasma electrolytic oxidation as a feasible surface treatment for biomedical applications: an in vivo study, Scientific Reports 10(1) (2020) 18821. https://doi.org/10.1038/s41598-020-75951-4
[21] T. Zehra, M. Kaseem, Recent advances in surface modification of plasma electrolytic oxidation coatings treated by non biodegradable polymers, Journal of Molecular Liquids 365 (2022) 120091. https://doi.org/10.1016/j.molliq.2022.120091
[22] J. Wang, Y. Zhou, Z. Qiao, S. Goel, J. Wang, X. Wang, B. Lyu, Surface polishing and modification of Ti 6Al 4V alloy by shear thickening polishing, Surface and Coatings Technology 468 (2023) 129771. https://doi.org/10.1016/j.surfcoat.2023.129771
[23] G. Wu, Z. Yang, Y. Xu, Y. Wang, H. Zhang, Y. Tian, J. Yao, Effect of laser surface melting on superficial morphology and properties of the electrochemical polishing of Ti6Al4V alloy, Journal of Materials Research and Technology 33 (2024) 7434-7447. https://doi.org/10.1016/j.jmrt.2024.11.072
[24] J. Li, X. Lin, P. Guo, M. Song, W. Huang, Electrochemical behaviour of laser solid formed Ti6Al4V alloy in a highly concentrated NaCl solution. Corrosion Science 142 (2018) 161-174. http://dx.doi.org/10.1016/j.corsci.2018.07.023
[25] F. Klocke, M. Zeis, A. Klink, D. Veselovac, Experimental research on the electrochemical machining of modern titanium-and nickel-based alloys for aero engine components, Procedia CIRP 6 (2013) 368-372. https://doi.org/10.1016/J.PROCIR.2013.03.040
[26] Y. Sasikumar, K. Indira, N. Rajendran, Surface modification methods for titanium and its alloys and their corrosion behavior in biological environment: a review, Journal of Bio- and Tribo-Corrosion 5(2) (2019) 36. https://doi.org/10.1007/s40735-019-0229-5
[27] R. K. Upadhyay, Challenges and control strategies for disrupting passive oxide layer formation in electrochemical machining, Journal of Electrochemical Science and Engineering 15(5) (2025) 2796. https://doi.org/10.5599/jese.2796
[28] M. V. A. Ramakrishna, S. V. Venugopal Rao, Fabrication of ECM and study of its parameters in NaCl electrolyte, Materials Today: Proceedings 46(2) (2021) 934-939. https://doi.org/10.1016/j.matpr.2021.01.181
[29] M. İzmir, B. Ercan, Anodization of titanium alloys for orthopedic applications, Frontiers of Che¬mical Science and Engineering 13(1) (2019) 28-45. https://doi.org/10.1007/s11705-018-1759-y
[30] N. Allal, A. Bourahla, F. Benharcha, A. Abdi, Z. B. D. Sayah, M. Trari, Anodizing parameters optimization of Ti6Al4V titanium alloy using response surface methodology, Journal of the Indian Chemical Society 99(6) (2022) 100470. https://doi.org/10.1016/j.jics.2022.100470
[31] A. Seyidaliyeva, S. Rues, Z. Evagorou, A. J. Hassel, C. Büsch, P. Rammelsberg, A. Zenthöfer, Pre¬dictability and outcome of titanium color after different surface modifications and anodic oxi¬dation, Dental Materials Journal 41(6) (2022) 930-936. https://doi.org/10.4012/dmj.2022-075
[32] E. Y. Hussein, J. M. S. Al-Murshdy, N. S. Radhi, Surface improvement of titanium alloys for biomedical applications by anodizing, Jordan Journal of Mechanical and Industrial Engineering 18(3) (2024) 461-470. https://doi.org/10.59038/jjmie/180302
[33] L. Dong, Y. Li, M. Huang, X. Hu, Z. Qu, Y. Lu, Effect of anodizing surface morphology on the adhesion performance of 6061 aluminum alloy, International Journal of Adhesion and Adhesives 113 (2022) 103065. http://dx.doi.org/10.1016/j.ijadhadh.2021.103065
[34] I. Ali, M. M. Quazi, E. Zalnezhad, A. A. Sarhan, N. L. Sukiman, M. Ishak, Hard anodizing of aero¬space AA7075-T6 aluminum alloy for improving surface properties, Transactions of the Indian Institute of Metals 72(10) (2019) 2773-2781. http://dx.doi.org/10.1007/s12666-019-01754-5
[35] A. Fattah alhosseini, M. Molaei, A review of functionalizing plasma electrolytic oxidation (PEO) coatings on titanium substrates with laser surface treatments, Applied Surface Science Advances 18 (2023) 100506. https://doi.org/10.1016/j.apsadv.2023.100506
[36] M. Kaseem, T. Zehra, B. Dikici, A. Dafali, H. W. Yang, Y. G. Ko, Improving the electrochemical stability of AZ31 magnesium alloy in a 3.5 wt.% NaCl solution via the surface functionalization of plasma electrolytic oxidation coating, Journal of Magnesium and Alloys 10(5) (2022) 1311-1325. https://doi.org/10.1016/j.jma.2021.08.028
[37] S. S. Nisar, S. Arun, H. C. Choe, Plasma electrolytic oxidation coatings on femtosecond laser treated Ti6Al4V alloy for bio implant use, Surface and Coatings Technology 464 (2023) 129553. http://dx.doi.org/10.1016/j.surfcoat.2023.129553
[38] R. Luo, Y. Jiao, S. Zhang, J. Wu, X. Wu, K. Lu, P. Zhang, Y. Li, X. Ni, and Q. Zhao, Fabrication, properties and biological activity of a titanium surface modified with zinc via plasma electrolytic oxidation, Frontiers in Materials 10 (2023) 1202110. https://doi.org/10.3389/fmats.2023.1202110
[39] G. Wu, L. Li, X. Chen, L. Zhu, Y. Wang, C. Wen, J. Yao, The growth mechanism and corrosion resistance of laser assisted plasma electrolytic oxidation (PEO) composite coating on AZ31B magnesium alloy, Journal of Magnesium and Alloys 13(2) (2025) 760-776. https://doi.org/10.1016/j.jma.2024.01.033
[40] H. Shi, D. Liu, T. Jia, X. Zhang, W. Zhao, Effect of the ultrasonic surface rolling process and plasma electrolytic oxidation on the hot salt corrosion fatigue behavior of TC11 alloy, International Journal of Fatigue 168 (2023) 107443. https://doi.org/10.1016/j.ijfatigue.2022.107443
[41] H. Li, Y. Wang, W. Mu, S. Li, Effect of electrical parameters on the microstructure and corrosion resistance of plasma electrolytic oxidation coatings of LA103Z alloy based on orthogonal experiment method, Journal of Materials Science 60(28) (2025) 12105-12121. https://doi.org/10.1007/s10853-025-11164-2
[42] A. Acquesta, T. Monetta, S. Franchitti, R. Borrelli, A. Viscusi, A. S. Perna, L. Carrino, Green electrochemical polishing of EBM Ti6Al4V samples with preliminary fatigue results, The International Journal of Advanced Manufacturing Technology 126(9) (2023) 4269-4282. http://dx.doi.org/10.1007/s00170-023-11400-6
[43] S. Shabir, M. D. Sharma, Surface modification of Ti3Al2.5V titanium alloy using laser texturing with improved wettability, corrosion and bioactivity behaviour, Transactions of the Indian Institute of Metals 77(4) (2024) 1093-1103. http://dx.doi.org/10.1007/s12666-023-03203-w
[44] D. Yang, H. Sun, J. Wang, G. Ji, H. Duan, Y. Xiang, Y. Fan, The formation and stripping mechanism of oxide film on Ti6Al4V alloy surface during electrolytic plasma polishing, Surface and Coatings Technology 478 (2024) 130469. http://dx.doi.org/10.1016/j.surfcoat.2024.130469
[45] X. Zhang, J. Wang, J. Chen, B. Lyu, J. Yuan, Material removal and surface modification of copper under ultrasonic assisted electrochemical polishing, Processes 12(6) (2024) 1046. https://doi.org/10.3390/pr12061046
[46] R. N. Oosterbeek, G. Sirbu, S. Hansal, K. Nai, J. R. Jeffers, Effect of chemical-electrochemical surface treatment on the roughness and fatigue performance of porous titanium lattice structures, Additive Manufacturing 78 (2023) 103896. https://doi.org/10.1016/j.addma.2023.103896
[47] Y. Wang, H. Liu, X. Yin, Y. Zhou, M. Feng, S. Li, Study on electrochemical polishing mechanism of TC4 titanium alloy, Physica Scripta 99(8) (2024) 085983. http://dx.doi.org/10.1088/1402-4896/ad63e1
[48] Y. Yang, Y. Wang, C. Sun, Q. Wu, J. Yan, Y. Liu, W. Zhang, Processing of titanium alloys with improved efficiency and accuracy by laser and electrochemical machining, The International Journal of Advanced Manufacturing Technology 130(7) (2024) 4013-4025. http://dx.doi.org/10.21203/rs.3.rs-3394216/v1
[49] R. Bhagat, D. Dye, S. L. Raghunathan, R. J. Talling, D. Inman, B. K. Jackson, R. J. Dashwood, In situ synchrotron diffraction of the electrochemical reduction pathway of TiO2, Acta Materialia 58(15) (2010) 5057-5062. http://dx.doi.org/10.1016/j.actamat.2010.05.041
[50] Y. He, J. Zhao, H. Xiao, W. Lu, W. Gan, F. Yin, Z. Yang, Electrochemical machining of titanium alloy based on NaCl electrolyte solution, International Journal of Electrochemical Science 13(6) (2018) 5736-5747. https://doi.org/10.20964/2018.06.31
[51] A. Speidel, J. Mitchell-Smith, D. A. Walsh, M. Hirsch, A. Clare, Electrolyte jet machining of titanium alloys using novel electrolyte solutions, Procedia CIRP 42 (2016) 367-372. http://dx.doi.org/10.1016/j.procir.2016.02.200
[52] T. P. Gopinath, J. Prasanna, C. C. Sastry, S. Patil, Experimental investigation of the electro-che¬mical micromachining process of Ti6Al4V titanium alloy under the influence of magnetic field, Materials and Polymers 39(1) (2021) 124-138. http://dx.doi.org/10.2478/msp-2021-0013
[53] M. Painuly, R. P. Singh, R. Trehan, Investigation into surface quality of Inconel 625 processed with micro-electrochemical machining, Journal of Solid State Electrochemistry 29(4) (2025) 1543-1559. https://doi.org/10.1007/s10008-024-06156-2
[54] C. Ciszak, I. Abdallah, I. Popa, J.M. Brossard, A. Vande Put, D. Monceau, S. Chevalier, Degradation mechanism of Ti-6Al-2Sn-4Zr-2Mo-Si alloy exposed to solid NaCl deposit at high temperature, Corrosion Science 172 (2020) 108611. https://doi.org/10.1016/j.corsci.2020.108611
[55] F. Zhu, P. Zhang, G. Gao, Z. Ma, T. Mu, J. Li, K. Qiu, Efficient preparation of metallic titanium from lower valence titanium chloride slurry by electrochemical reduction in molten salts, Journal of Environmental Chemical Engineering 12(3) (2024) 112983. http://dx.doi.org/10.1016/j.jece.2024.112983
[56] X. R. Li, X. Z. Meng, Q. H. Zhang, H. R. Cai, Z. Z. Yan, L. K. Wu, F. H. Cao, In situ studies of hydrogen evolution kinetics on pure titanium surface: The effects of pre-reduction and dissolved oxygen, The Journal of Physical Chemistry C 126(4) (2022) 1828-1844. http://dx.doi.org/10.1021/acs.jpcc.1c09818
[57] J. Li, X. Lin, J. Wang, M. Zheng, P. Guo, Y. Zhang, W. Huang, Effect of stress-relief annealing on anodic dissolution behaviour of additive manufactured Ti6Al4V via laser solid forming, Corrosion Science 153 (2019) 314-326. http://dx.doi.org/10.1016/j.corsci.2019.04.002
[58] I. Herath, J. Davies, G. Will, P. A. Tran, A. Velic, M. Sarvghad, P. K. Yarlagadda, Anodization of medical grade stainless steel for improved corrosion resistance and nanostructure formation targeting biomedical applications, Electrochimica Acta 416 (2022) 140274. https://doi.org/10.1016/j.electacta.2022.140274
[59] O. El-Said Shehata, A. M. Abdel-karim, A. H. Abdel Fatah, New trends in anodizing and electrolytic coloring of metals, Egyptian Journal of Chemistry 65(9) (2022) 229-241. https://doi.org/10.21608/ejchem.2022.112570.5110
[60] F. Şenaslan, M. Taşdemir, A. Çelik, Y. B. Bozkurt, Enhanced wear resistance and surface properties of oxide film coating on biocompatible Ti45Nb alloy by anodization method, Surface and Coatings Technology 469 (2023) 129797. http://dx.doi.org/10.1016/j.surfcoat.2023.129797
[61] S. Y. Joo, S. S. Nisar, J. K. Lee, H. C. Choe, Calcium silicate ceramic coatings on the plasma electrolytic oxidized Ti-6Al-4V alloy using spin coating method, Surface and Coatings Technology 479 (2024) 130575. http://dx.doi.org/10.1016/j.surfcoat.2024.130575
[62] P. Fernández López, S. A. Alves, J. T. San Jose, E. Gutierrez Berasategui, R. Bayón, Plasma electrolytic oxidation (PEO) as a promising technology for the development of high performance coatings on cast Al Si alloys, Coatings 14(2) (2024) 217. https://doi.org/10.3390/coatings14020217
[63] Y. Xu, Y. Mao, M. H. Ijaz, M. E. Ibrahim, S. Le, F. Wang, Y. Zhang, Principles and applications of electrochemical polishing, Journal of The Electrochemical Society 171(9) (2024) 093506. http://dx.doi.org/10.1149/1945-7111/ad75bc
[64] Y. Ng, X. Y. Tan, T. L. Meng, C. N. Sun, Z. Huang, A. C. Y. Ngo, H. Liu, Material removal and surface finishing of additively manufactured Ti6Al4V coupons by cyclic plasma electrolytic polishing, Surface and Coatings Technology 498 (2025) 131872. http://dx.doi.org/10.1016/j.surfcoat.2025.131872
[65] Z. Tang, M. Ke, J. Wang, L. Shao, B. Lyu, Electrochemistry assisted shear thickening polishing of Ti6Al4V, Precision Engineering 96 (2025) 609-624. https://doi.org/10.1016/j.precisioneng.2025.07.020
[66] J. Li, D. Wang, D. Zhu, A new perspective on the surface quality of titanium alloys in pulsed electrochemical machining: effect of frequency and passivation film, Journal of Materials Processing Technology 330 (2024) 118463. https://doi.org/10.1016/j.jmatprotec.2024.118463
[67] M. E. Khosroshahi, M. Mahmoodi, H. Saeedinasab, M. Tahriri, Evaluation of mechanical and ele¬ctrochemical properties of laser surface modified Ti6Al4V for biomedical applications: in vitro study, Surface Engineering 24(3) (2008) 209-218. https://doi.org/10.1179/174329408X282505
[68] K. Fushimi, H. Hiroki. Anodic dissolution of titanium in NaCl-containing ethylene glycol, Electro¬chimica Acta 53(8) (2008) 3371-3376. http://dx.doi.org/10.1016/j.electacta.2007.11.074
[69] R. Li, L. Liu, Y. Cui, R. Liu, F. Wang, Corrosion behavior of pure Ti under continuous NaCl solution spraying at 600° C, npj Materials Degradation 6(53) (2022) 53. https://doi.org/10.1038/s41529-022-00257-x
[70] X. Gai, Y. Bai, J. Li, S. Li, W. Hou, Y. Hao, R. D. K. Misra, Electrochemical behaviour of passive film formed on the surface of Ti-6Al-4V alloys fabricated by electron beam melting, Corrosion Science 145 (2018) 80-89. https://doi.org/10.1016/j.corsci.2018.09.010
[71] E. V. Likrizon, S. A. Silkin, A. I. Dikusar, Effect of passive oxide film structure and surface temperature on the rate of anodic dissolution of chromium-nickel and titanium alloys in electrolytes for electrochemical machining: Part 2. Anodic dissolution of titanium alloys in nitrate and chloride solutions, Surface Engineering and Applied Electrochemistry 59(3) (2023) 255-263. https://doi.org/10.3103/S1068375523030134
[72] S. Mehrotra, D. Kalyan, S.K. Makineni, S. Santra, Oxide growth characteristics, kinetics and mechanism of rutile formation on pure titanium, Vacuum 219 (2024) 112682. https://doi.org/10.1016/j.vacuum.2023.112682
[73] D. S. Kong, W. H. Lu, Y. Y. Feng, Z. Y. Yu, J. X. Wu, W. J. Fan, H. Y. Liu, Studying on the point-defect-conductive property of the semiconducting anodic oxide films on titanium, Journal of The Electrochemical Society 156(1) (2008) C39. http://dx.doi.org/10.1149/1.3021008
[74] Z. Shi, F. Cao, G. L. Song, A. Atrens, Low apparent valence of Mg during corrosion, Corrosion Science 88 (2014) 434-443. https://doi.org/10.1016/j.corsci.2014.07.060
[75] R.K. Upadhyay, A. Kumar, P.K. Srivastava, Experimental investigations of catalytic effect of Cu2+ during anodic dissolution of iron in NaCl electrolyte, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 231(13) (2017) 2408-2415. https://doi.org/10.1177/0954405416629865
[76] H. Demirtas, A. Cebi, M. T. Aslan, O. Yilmaz, S. Nesli, L. Subasi, G. Akbulut, Electrochemical machining of additively manufactured γ TiAl parts: post processing technique to reduce surface roughness, The International Journal of Advanced Manufacturing Technology 127(5) (2023) 2475-2485. http://dx.doi.org/10.1007/s00170-023-11690-w
[77] B. Bhattacharyya, J. Munda, Experimental investigation on the influence of electrochemical machining parameters on machining rate and accuracy in micromachining domain, International Journal of Machine Tools and Manufacture 43(13) (2003) 1301-1310. https://doi.org/10.1016/S0890-6955(03)00161-5
[78] O. Weber, M. Weinmann, H. Natter, D. Bähre, Electrochemical dissolution of cast iron in NaNO3 electrolyte, Journal of Applied Electrochemistry 45 (2015) 591-609. http://dx.doi.org/10.1007/s10800-015-0809-0
[79] R. V Rao, P.J. Pawar, R. Shankar, Multi-objective optimization of electrochemical machining process parameters using a particle swarm optimization algorithm, Proceedings of the Institution of Mechanical Engineers B 222(8) (2008) 949-958. https://doi.org/10.1243/09544054JEM1158
[80] V. Rajput, M. Goud, N. M. Suri, Electrochemical discharge machining: gas film electrochemical aspects, stability parameters, and research work, Journal of The Electrochemical Society 168(1) (2021) 013503. https://doi.org/10.1149/1945-7111/abd516
[81] G. Cui, D. Wang, Z. Zhu, W. Cao, T. Fu, Improvement on leveling ability in counter-rotating ele¬c¬trochemical machining by using a variable voltage, The International Journal of Advanced Ma¬nu¬facturing Technology 132(1) (2024) 553-569. http://dx.doi.org/10.1007/s00170-024-13395-0
[82] V. M. Volgin, V. V. Lyubimov, T. B. Kabanova, A. D. Davydov, Theoretical analysis of micro/nano electrochemical machining with ultra-short voltage pulses, Electrochimica Acta 369 (2021) 137666. https://doi.org/10.1016/j.electacta.2020.137666
[83] X. Chen, Z. Xu, D. Zhu, Z. Fang, D. Zhu, Experimental research on electrochemical machining of titanium alloy Ti60 for a blisk, Chinese Journal of Aeronautics 29(1) (2016) 274-282. http://dx.doi.org/10.1016/j.cja.2015.09.010
[84] M. Datta, Anodic dissolution of metals at high rates, IBM Journal of Research and Development 37(2) (1993) 207-226. https://doi.org/10.1147/rd.372.0207
[85] J. P. Hoare, M. A. LaBoda, M. L. McMillan, A. J. Wallace, An Investigation of the differences between NaCl and NaClO3 as electrolytes in electrochemical machining, Journal of The Electrochemical Society 116(2) (1969) 199. http://dx.doi.org/10.1149/1.2411795
[86] F. Shen, Y, Zhu, X, Li, R, Luo, Q. Tu, J. Wang, N. Huang, Vascular cell responses to ECM produced by smooth muscle cells on TiO2 nanotubes, Applied Surface Science 349 (2015) 589-598. https://doi.org/10.1016/j.apsusc.2015.05.042
[87] L. An, D. Wang, D. Zhu, Improvement on surface quality of 316L stainless steel fabricated by laser powder bed fusion via electrochemical polishing in NaNO3 solution, Journal of Manufacturing Processes 83 (2022) 325-338. https://doi.org/10.1016/j.jmapro.2022.09.005
[88] L. Freire, M. J. Carmezim, M. A. Ferreira, M. F. Montemor, The passive behaviour of AISI 316 in alkaline media and the effect of pH: A combined electrochemical and analytical study, Electro¬chimica Acta 55(21) (2010) 6174-6181. https://doi.org/10.1016/j.electacta.2009.10.026
[89] M. C. Weidman, D. V. Esposito, I. J. Hsu, J. G. Chen, Electrochemical stability of tungsten and tungsten monocarbide (WC) over wide pH and potential ranges, Journal of The Electrochemical Society 157(12) (2010) F179. https://doi.org/10.1149/1.3491341
[90] A. Dalmau, V. G. Pina, F. Devesa, V. Amigó, A. I. Muñoz, Electrochemical behavior of near-beta titanium biomedical alloys in phosphate buffer saline solution, Materials Science and Engineering C 48 (2015) 55-62. https://doi.org/10.1016/j.msec.2014.11.036
[91] C. Battocchio, S. Concolato, S. De Santis, M. Fahlman, G. Iucci, M. Santi, G. Sotgiu, M. Orsini, Chitosan functionalization of titanium and Ti6Al4V alloy with chloroacetic acid as linker agent, Materials Science and Engineering C 99 (2019) 1133-1140. https://doi.org/10.1016/j.msec.2019.02.052
[92] S. Niu, K. Huang, P. Ming, S. Wang, F. Zhao, G. Qin, H. Liu, Jet Electrochemical Micromilling of Ti-6Al-4V Using NaCl-Ethylene Glycol Electrolyte, Micromachines 15(2) (2024) 173. https://doi.org/10.3390/mi15020173
[93] G. Thangamani, M. Thangaraj, K. Moiduddin, S. H. Mian, H. Alkhalefah, U. Umer, Performance Analysis of Electrochemical Micro Machining of Titanium (Ti-6Al-4V) Alloy under Different Electrolytes Concentrations, Metals 11(2) (2021) 247. https://doi.org/10.3390/met11020247
[94] S. Niu, H. Wang, P. Ming, G. Qin, L, Ren, H, Liu, X. Li, Electrochemical Properties and Jet Electrochemical Micromilling of (TiB+TiC)/Ti6Al4V Composites in NaCl+NaNO₃ Mixed Electrolyte, Materials 17(19) (2024) 4904. https://doi.org/10.3390/ma17194904
[95] R. Tetot, G. Boureau, Statistical thermodynamic study of nonstoichiometric titanium monoxide: Determination of formation and interaction energies of vacancies, Physical Review B 40(4) (1989) 2311. https://doi.org/10.1103/PhysRevB.40.2311
[96] D. A. Andersson, A. K. Pavel, J. Börje, Thermodynamics of structural vacancies in titanium monoxide from first-principles calculations, Physical Review B 71(14) (2005) 144101. https://doi.org/10.1103/PhysRevB.71.144101
[97] C. B. Worley, W. A. Ricks, M. P. Prendergast, B. W. Gregory, R. Collins, J. J. Cassimus Jr., R. G. Thompson, Anodic passivation of tin by alkanethiol self-assembled monolayers examined by cyclic voltammetry and coulometry, Langmuir 29(42) (2013) 12969-12981. https://doi.org/10.1021/la402703w
[98] A. K. Swain, M. M. Sundaram, K. P. Rajurkar, Use of coated microtools in advanced manufac-turing: An exploratory study in electrochemical machining (ECM) context, Journal of Manu-facturing Processes 14(2) (2012) 150-159. https://doi.org/10.1016/j.jmapro.2011.11.005
[99] A. I. Dikusar, S. A. Silkin, Formation and breakdown of oxide films in high-rate anodic dissolution of chromium-nickel steels in electrolytes for electrochemical machining, Surface Engineering and Applied Electrochemistry 58(4) (2022) 313-322. http://dx.doi.org/10.3103/S1068375522040056
[100] M. Lübben, V. Llia, Active electrode redox reactions and device behavior in ECM type resistive switching memories, Advanced Electronic Materials 5(9) (2019) 1800933. http://dx.doi.org/10.1002/aelm.201800933
[101] X. Chen, Z. Xu, D. Zhu, Z. Fang, D. Zhu, Experimental research on electrochemical machining of titanium alloy Ti60 for a blisk, Chinese Journal of Aeronautics 29(1) (2016) 274-282. http://dx.doi.org/10.1016/j.cja.2015.09.010
[102] S. Ameer, H. Ibrahim, M.U. Yaseen, F. Kulsoom, S. Cinti, M. Sher, Electrochemical impedance spectroscopy-based sensing of biofilms: A comprehensive review, Biosensors 13(8) (2023) 777. https://doi.org/10.3390/bios13080777
[103] S. S. Shabnum, R. Siranjeevi, C. K. Raj, P. Nivetha, K. Benazir, A comprehensive review on recent progress in carbon nanotubes for biomedical application, Environmental Quality Management 34(3) (2025) e70040. https://doi.org/10.1002/tqem.70040
[104] X. Rong, D. Zhao, C. He, N. Zhao, Recent progress in aluminum matrix composites reinforced by in situ oxide ceramics, Journal of Materials Science 59(22) (2023) 9657-9684. https://doi.org/10.1007/s10853-023-09120-z
[105] M. Kaseem, A. R. Safira, M. Aadil, T. Zehra, M. A. Khan, A. Fattah-alhosseini, Innovative approach to boosting the chemical stability of AZ31 magnesium alloy using polymer-modified hybrid metal oxides, Journal of Magnesium and Alloys 12(3) (2024) 1068-1081. https://doi.org/10.1016/j.jma.2024.05.016
[106] A. Dvivedi, P. Kumar, Computational modelling and experimental investigation of micro-electrochemical discharge machining by controlling the electrolyte temperature, Journal of Micromechanics and Microengineering 34(3) (2024) 035001. http://dx.doi.org/10.1088/1361-6439/ad2089
[107] M. Zhang, M. Chouchane, S. A. Shojaee, B. Winiarski, Z. Liu, L. Li, Y.S. Meng, Coupling of multiscale imaging analysis and computational modeling for understanding thick cathode degradation mechanisms, Joule 7(1) (2023) 201-220. https://doi.org/10.1016/j.joule.2022.12.001
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