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Tribo-Corrosion Behaviour and Characterization of Biocompatible Coatings
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Author(s): Amol Bajarang Chavan (Sanjeevan Engineering and Technology Institute, Panhala, India), Sanjaykumar S. Gawade (Rajarambapu Institute of Technology, Islampur, India)and Digvijay G. Bhosale (Dr. D. Y. Patil Institute of Technology, Pimpri, India)
Copyright: 2022
Pages: 25
Source title:
Handbook of Research on Tribology in Coatings and Surface Treatment
Source Author(s)/Editor(s): Amirhossein Pakseresht (FunGlass – Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Slovakia)and Omid Sharifahmadian (FunGlass – Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Slovakia)
DOI: 10.4018/978-1-7998-9683-8.ch011
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Abstract
Commercially available metallic orthopaedic implant materials cause major problems like stress shielding and the release of harmful ions due to corrosion and wear. Also, the secondary operation is a must for the implant removal. Therefore, the biodegradable and biocompatible magnesium (Mg) implant materials have been investigated. Mg shows favorable biological properties and matching mechanical properties with the natural bone. Mg alloys rapidly corrode in the physiological environment, which cause failure of the implant before completing the expected function. Surface coating is the most effective method for improving the corrosion performance of Mg and its alloys. Hydroxyapatite (HA), being the most stable phase of calcium phosphates in physiological conditions, is preferred as a coating material. The chapter focuses on the tribo-corrosion and characterization of HA coatings prepared by electrodeposition process on Mg alloys. The results are useful for the designer community in the selection of biocompatible coatings and process parameters to maximize the life of bio-implants.
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