Surface finishing of L-PBF Ti6Al4V ELI samples for biomedical applications by dry electro- and chemical polishing

Open Access

Issue		MATEC Web Conf. Volume 417, 2025 2025 RAPDASA-RobMech-PRASA-AMI Conference: Bridging the Gap between Industry & Academia - The 26^th Annual International RAPDASA Conference, joined by RobMech, PRASA and AMI, co-hosted by CSIR and Tshwane University of Technology, Pretoria


Article Number		09002
Number of page(s)		15
Section		AM Post Processing and Qualification
DOI		https://doi.org/10.1051/matecconf/202541709002
Published online		25 November 2025

I. Yadroitsev, I. Yadroitsava, A. Du Plessis and E. Macdonald, Fundamentals of Laser Powder Bed Fusion of Metals, March, (2021). https://doi.org/10.1016/C2020-0-01200-4 [Google Scholar]
J. C. Snyder and K. A. Thole, Understanding laser powder bed fusion surface roughness, ASME, 142, 7 (2020). https://doi.org/10.1115/1.4046504 [Google Scholar]
W. M. I. Makhetha, T. H. Becker, and N. Sacks, Post-Processing Framework for As-Built LPBF Ti-6Al-4V Parts Towards Meeting Industry Functional Requirements, 74, 764–776 (2022), https://doi.org/10.1007/s11837-021-05078-y [Google Scholar]
A. Yánez, M. P. Fiorucci, O. Martel, and A. Cuadrado, The Influence of Dimensions and Powder Recycling on the Roughness and Mechanical Properties of Ti-6Al-4V Parts Fabricated by Laser Powder Bed Fusion, 15, 16 (2022). https://doi.org/10.3390/ma15165787 [Google Scholar]
P. Thomsen, Material Science, Surface Science, Engineering, Biological Responses, (2001). [Google Scholar]
A. G. Harvey, E. W. Hill, and A. Bayat, Designing implant surface topography for improved biocompatibility, 10, 2, pp. 257–267, (2013). https://doi.org/10.1586/erd.12.82 [Google Scholar]
T. Albrektsson and A. Wennerberg, On osseointegration in relation to implant surfaces, 21, pp. 4–7 (2019). https://doi.org/10.1111/cid.12742. [Google Scholar]
D. Buser et al., Long-term stability of early implant placement with contour augmentation, 92, no. 12, (2013). https://doi.org/10.1177/0022034513504949. [Google Scholar]
A. Jemat, M. J. Ghazali, M. Razali, and Y. Otsuka, “Surface modifications and their effects on titanium dental implants, (2015). https://doi.org/10.1155/2015/791725. [Google Scholar]
P. S. Sibanda, P. Carr, M. Ryan, and S. Bigot, State of he Art in Surface Finish of Metal Additive Manufactured Parts, 9, November, pp. 221–225, (2019). [Google Scholar]
Surface Finishing using Dry Electro-polishing Machines Comparison Surface Finishing Process for Machining Implants. https://metrotool.co.za/wp-content/uploads/2022/04/Surface-Finishing-using-Dry-Electro-polishing-Machines.pdf [Google Scholar]
A. Chmielewska, A. Jahadakbar, B. Wysocki, M. Elahinia, W. Świȩszkowski, and D. Dean, Chemical Polishing of Additively Manufactured, Porous, Nickel-Titanium Skeletal Fixation Plates, 9, 4, pp. 269–277, (2022). https://doi.org/10.1089/3dp.2020.0209 [Google Scholar]
P. Lanfermann, C. Weidmann, M. C. Maaß, S. Waitz, T. Schönberger, and T. Waitz, Electrochemical surface modification of titanium in Chemistry Class, 11, pp. 2–6, (2022). [Google Scholar]
M. A. Obeidi, Results in Engineering Metal additive manufacturing by laser-powder bed fusion : Guidelines for process optimisation, 15, May,100473 (2022). https://doi.org/10.1016/j.rineng.2022.100473 [Google Scholar]
I. Yadroitsev, P. Krakhmalev, and I. Yadroitsava, Selective laser melting of Ti6Al4V alloy for biomedical applications: Temperature monitoring and microstructural evolution, 583, 404–409 (2014). https://doi.org/10.1016/j.jallcom.2013.08.183 [Google Scholar]
Cleaning and sterilization Guidelines for Nobel Biocare products including MRI information, Nobel Biocare. [Google Scholar]
M. Bezuidenhout, G. Ter Haar, T. Becker, S. Rudolph, O. Damm, and N. Sacks, The effect of HF-HNO3 chemical polishing on the surface roughness and fatigue life of laser powder bed fusion produced Ti6Al4V, 25, June,101396, (2020). https://doi.org/10.1016/j.mtcomm.2020.101396 [Google Scholar]
M. Mhlanga, L. R. Masheane, I. Yadroitsava, and I. Yadroitsev, Surface roughness of Ti6Al4V samples produced by laser powder bed fusion for bone implants, 370, 11001, (2022). https://doi.org/10.1051/matecconf/202237011001 [Google Scholar]
Y. Wang, H. Liu, X. Yin, Y. Zhou, M. Feng, and S. Li, Study on electrochemical polishing mechanism of TC4 titanium alloy, 99, 85983 (2024). https://doi.org/10.1088/1402-4896/ad63e1. [Google Scholar]

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.