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A facile electrodeposition of hydroxyapatite onto borate passivated surgical grade stainless steel |
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| Authors: | D. Gopi V. Collins Arun Prakash L. Kavitha S. Kannan P.R. Bhalaji E. Shinyjoy J.M.F. Ferreira |
| Affiliation: | aDepartment of Chemistry, Periyar University, Salem 636 011, Tamilnadu, India;bDepartment of Physics, Periyar University, Salem 636 011, Tamilnadu, India;cCeramics and Glass Engineering Department, University of Aveiro, 3810-193 Aveiro, Portugal;dThe Abdus Salam International Centre for Theoretical Physics, Trieste, Italy |
| Abstract: | This paper reports a successful electrodeposition method for coating hydroxyapatite (HAP) onto surgical grade stainless steel (SS). Pure HAP coatings could be achieved at −1400 mV vs SCE and the coating resistivity was assessed by potentiodynamic polarization and impedance techniques which showed that HAP coatings deposited onto the borate passivated-SS specimens possess maximum bioresistivity in Ringer’s solution. The coatings were characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM) and Atomic force microscopy (AFM). The results have showed that the borate passivation followed by HAP coating performed on 316L SS could enhance the longevity of the alloy in Ringer’s solution. |
| Keywords: | A. Ceramic A. Stainless steel B. Polarization C. Passive films B. EIS B. AFM |
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