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Title: Electrophoretic deposition of hydroxyapatite coating on Mg-3Zn alloy for orthopaedic application
Authors: Manoj Kumar R.
Kuntal K.K.
Singh S.
Gupta P.
Bhushan B.
Gopinath P.
Lahiri D.
Published in: Surface and Coatings Technology
Abstract: The present work deals with developing a HA coated Mg alloy material system for application in orthopaedic implants. A nanostructured hydroxyapatite (HA) coating was grown on selected Mg alloy (Mg-3Zn) through the electrophoretic deposition (EPD) technique. The mechanical integrity of the coating is established as a function of surface roughness of the substrate and annealing temperature of the coating. Coating on a substrate with lower roughness shows a uniform layer and very few cracks. The mechanical properties of the surfaces help in optimizing the coating conditions to get a better integrated HA coating on the Mg surface. The HA coating shows an impressive 25 times improvement in corrosion resistance of the Mg alloy surface during in vitro exposure. The coating also helps in better growth of bone cells on the Mg surface. This study establishes the potential of electrophoretic deposition of HA coating on Mg-3Zn alloy in orthopaedic application. © 2016 Elsevier B.V.
Citation: Surface and Coatings Technology(2016), 287(): 82-92
Issue Date: 2016
Publisher: Elsevier
Keywords: Electrophoretic deposition
Mechanical and corrosion property
Mg alloy implant
ISSN: 2578972
Author Scopus IDs: 56556778200
Author Affiliations: Manoj Kumar, R., Biomaterials and Multiscale Mechanics Lab, Indian Institute of Technology Roorkee, Uttarakhand, 247667, India, Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Uttarakhand, 247667, India
Funding Details: The authors are grateful to all the laboratory stuff at Metallurgical and Materials Engineering Department and Centre of Nano Technology, Indian Institute of Technology, Roorkee for their facilities. DL acknowledges financial support from the funding thro
Corresponding Author: Lahiri, D.; Biomaterials and Multiscale Mechanics Lab, Indian Institute of Technology RoorkeeIndia; email:
Appears in Collections:Journal Publications [BT]

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