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Al-Azhar Dental Journal for Girls
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marzouk, R., Shoreibah, E., motawae, I., shoeib, M. (2019). Preparation and Characterization of TiO2-SiO2 Bioceramic Coating on Ti Alloy via Electrochemical Anodization and Its Effect on Corrosion Resistance. Al-Azhar Dental Journal for Girls, 6(3), 317-328. doi: 10.21608/adjg.2019.6218.1058
rasha mohammed marzouk; Eatemad Shoreibah; Inas talaat motawae; madiha ahmed shoeib. "Preparation and Characterization of TiO2-SiO2 Bioceramic Coating on Ti Alloy via Electrochemical Anodization and Its Effect on Corrosion Resistance". Al-Azhar Dental Journal for Girls, 6, 3, 2019, 317-328. doi: 10.21608/adjg.2019.6218.1058
marzouk, R., Shoreibah, E., motawae, I., shoeib, M. (2019). 'Preparation and Characterization of TiO2-SiO2 Bioceramic Coating on Ti Alloy via Electrochemical Anodization and Its Effect on Corrosion Resistance', Al-Azhar Dental Journal for Girls, 6(3), pp. 317-328. doi: 10.21608/adjg.2019.6218.1058
marzouk, R., Shoreibah, E., motawae, I., shoeib, M. Preparation and Characterization of TiO2-SiO2 Bioceramic Coating on Ti Alloy via Electrochemical Anodization and Its Effect on Corrosion Resistance. Al-Azhar Dental Journal for Girls, 2019; 6(3): 317-328. doi: 10.21608/adjg.2019.6218.1058

Preparation and Characterization of TiO2-SiO2 Bioceramic Coating on Ti Alloy via Electrochemical Anodization and Its Effect on Corrosion Resistance

Article 24, Volume 6, Issue 3, July 2019, Page 317-328  XML PDF (1.52 MB)
Document Type: Original Article
DOI: 10.21608/adjg.2019.6218.1058
Authors
rasha mohammed marzouk email 1; Eatemad Shoreibah2; Inas talaat motawae3; madiha ahmed shoeib4
1Associate Lecturer of dental biomaterial,faculty of dental medicine,al-azhar university for girls,cairo, egypt
2professor of oral medicine and periodontology
3Professor of Dental Biomaterials, Faculty of Dentistry-Girls branch,Alazhar University
4Professor and Former Head of Surface Treatment and Corrosion Control, The Central Metallurgical RD Institute, cairo,egypt
Abstract
Abstract
Purpose: The present study was carried out to study changing the anodization parameters and investigate the corrosion resistance of the ceramic coating that will be formed on the CP-Ti by anodization method. Materials and Methods: CP-Ti (10mm×10mm×2mm) were used for fabrication of bioceramic coating through anodization with different parameters using potassium silicate electrolyte. Samples were characterized using XRD, AT-FTIR. Surface roughness was measured using ESEM and surface topography was evaluated by SEM. Tafel polarization and electrochemical impedance spectroscopy were used to detect the change in the corrosion resistance after anodization. Results: XRD revealed that the anodized coated samples showed well defined peaks of Ti and TiO2 and shallow peaks of SiO2. AT-FTIR showed stretching bands of titania and silica. Surface roughness results: anodized coated samples at the optimum conditions had the lowest Ra values while the uncoated group had the highest Ra value. Results of the surface morphology: best evenly distributed ceramic coat was formed at the optimum conditions where (the applied voltage =50v, the electrolyte concentration =3% and process duration=60min). Corrosion resistance of the anodized coated samples at the optimum conditions was markedly increased more than that of the uncoated CP-Ti. Conclusions:optimum conditions of the anodization process to get a uniform anodized coating can be achieved when; the applied voltage is 50v, the electrolyte concentration is 3% and the process duration in 60min. Moreover, formation of a bioceramic coating has been shown to be a useful method for improving the corrosion resistance.
Keywords
Anodization; CP-Ti implant; Corrosion Resistance; Surface Morphology
Main Subjects
Dental Biomaterials
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