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Effect of Voltage and Electrolyte during Anodizing on The Resulting Colored Oxide Film and Its Surface Characteristic of Ti-6Al-4V
Bambang Suharno (a), Nadya Aryani Putri (a), Nabila Ramadhanti (a), Sugeng Supriadi (*b)

a)Departement of Metallurgy and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok, 16424, Indonesia
b)Departement of Mechanical Engineering, Faculty of Engineering, Universitas Indonesia, Depok, 16424, Indonesia
*sugeng[at]eng.ui.ac.id


Abstract

Titanium is classified as a bio-inert material, so it still does not support osseointegration when compared to bio-active material. This study aims to increase the surface roughness of Titanium, thus increasing the material osseoconductivity, because cells tend to stick and develop in materials with a more rough surface topography. In this study, anodized Ti-6Al-4V at 30, 50, 70, 120 V in H3PO4 and H2SO4 electrolyte, both in concentration of 0.5 and 1 M was successfully prepared to evaluate the effect of parameters applied and its kinetic aspect to the color oxide film, surface roughness and using SEM-EDS, Accretech Surfcom 2900SD3, and scriber. The results show an increase in surface roughness with the increase of voltage and electrolyte concentration because of the surface texture in the form of valleys and peaks. Moreover increasing the voltage will thicken the oxide layer, and changing the color produced. Meanwhile the higher the concentration of the electrolyte will relatively makes the oxide layer less thick. The composition of the oxide layer shows incorporation of Phosphorus and Sulfur ions in both electrolyte, and the results of the scratch resistance test do not show any cracks.

Keywords: Anodizing, Surface Roughness, Ti-6Al-4V, Colored Oxide Film

Topic: Theoretical and Analysis in Materials

Link: https://ifory.id/abstract/VgmPpazBdCyY

Conference: The 7th International Conference on Advanced Materials Science and Technology (ICAMST 2019)

Plain Format | Corresponding Author (Nadya Aryani Putri)

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