Hydroxyapatite Coating on New Type Titanium, TNTZ, Using Electrophoretic Deposition

  • Nuzul Ficky Nuswantoro Biomedical Science, Medicine Faculty, Universitas Andalas, Padang, Indonesia
  • Imron Maulana Mechanical Engineering, Engineering Faculty, Universitas Andalas, Padang, Indonesia
  • Djong Hon Tjong Biology Department, Mathematics and Science Faculty, Universitas Andalas, Padang, Indonesia
  • Menkher Manjas Biomedical Science, Medicine Faculty, Universitas Andalas, Padang, Indonesia
  • Gunawarman Gunawarman Mechanical Engineering, Engineering Faculty, Universitas Andalas, Padang, Indonesia
DOI: http://dx.doi.org/10.36842/jomase.v56i1.37

Abstract

In order to improve bioactivity of new type of titanium alloy, TNTZ, Hydroxyapatite (HA) coating is applied. Electrophoretic Deposition (EPD) has chosen as coating method because the simplicity of the instrument and its making, inexpensive cost, and ability to coat things with complicated design. EPD used electric current to move the HA particle through electrode in the suspension of ethanol and HA. Desired HA coating quality can be adjusted with optimizing the voltage and coating time. This research aimed to analyzed the effect of voltage and coating time of EPD process toward the HA coating that produced on the surface of new type titanium implant prototype, Ti-29Nb-13Ta-4.6Zr (TNTZ). Voltages are in range of 3, 5, and 7 volt and coating times are in range of 3, 5, and 7 minutes. Based on the result it is known that the best HA coating that can be produced are on 7 minutes and 7 volt. This best result shows the good surface morphology, highest value of screw mass growth, coating thickness, and surface coverage. Enhancement of voltage will affect the surface coverage value of HA coating, however, coating time will affect the thickness. Based on this research it can be concluded that enhancement of the voltage can produced HA coating that spread more evenly that proved by the increasing of surface coverage value. The enhancement of coating time will produce thicker layer of HA coating and increase deposition rate of HA on the implant surface. This result shows that the EPD can be used to produce TNTZ titanium implant that coated with HA for orthopedic application.

##Keywords:## TNTZ, Electrophoretic Deposition (EPD), Hydroxyapatite (HA)
Published
Oct 8, 2018
How to Cite
NUSWANTORO, Nuzul Ficky et al. Hydroxyapatite Coating on New Type Titanium, TNTZ, Using Electrophoretic Deposition. Journal of Ocean, Mechanical and Aerospace -science and engineering-, [S.l.], v. 56, n. 1, p. 1-4, oct. 2018. ISSN 2527-6085. Available at: <https://www.isomase.org/Journals/index.php/jomase/article/view/37>. Date accessed: 30 may 2026. doi: http://dx.doi.org/10.36842/jomase.v56i1.37.
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Vol 56 No 1 (2018): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
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