PeriyarUniversity

Salem, India

PeriyarUniversity

Salem, India
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Sathishkumar S.,PeriyarUniversity | Sathishkumar S.,Periyar University | Karthika A.,PeriyarUniversity | Surendiran M.,PeriyarUniversity | And 3 more authors.
International Journal of ChemTech Research | Year: 2015

Surgical grade stainless steel (316L SS) is mostly used in orthopedic implants due to its good mechanical properties, corrosion resistance and good biocompatibility. Though it possesses advantages, the surface of stainless steel is prone to release metal ions in the physiological medium. For this reason, it is important tointroduce bioceramic coatings on the metallic surface to improve the biocompatibility and corrosion resistance. The present work is dealt with successful development of cerium substituted hydroxyapatite (Ce-HAP) on borate passivated 316L SS. The coatings were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray analysis (EDAX). The electrochemical characterization such as using potentiodynamic cyclic polarization and electrochemical impedance spectroscopic techniques of Ce-HAP coating on the passivated 316L SS in Ringer’s solution demonstrated the enhanced anti-corrosion performance of Ce-HAP coating. The antimicrobial performance was studied for the obtained coatings against the pathogenic bacterial strains S. aureusand E. coli. Thus, the Ce-HAP coating on the passivated 316L SS can play a significant role in the biomedical applications. © 2015, Sphinx Knowledge House. All rights reserved.

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