ELECTRODEPOSITED GRAPHENE OXIDE-HYDROXYAPATITE COMPOSITE COATING WITH IMPROVED BONDING STRENGTH FOR BIOMEDICAL APPLICATION

Xiaoqiang Liu ()
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Xiaoqiang Liu: Qiyuan Pharmaceutical Company Limited, Wangyuan Industrial Park, Yinchuan City 750101, Ningxia Province, P. R. China

Surface Review and Letters (SRL), 2023, vol. 30, issue 05, 1-5

Abstract: In order to improve the interfacial bonding at coating-substrate, a graphene oxide-hydroxyapatite (GH) coating was designed and constructed. The microstructure, bonding strength and in vitro bioactivity of the coating were analyzed. The results showed that GH coating presented uniform and crack-free structure with a flake morphology. The bonding strength of GH coating was 7.81MPa, which is about 1.2 times that of pure hydroxyapatite coating. In vitro bioactivity test using simulated body fluid exhibited that GH coating processes the ability to induce apatite formation. The GH coating should have potential application in surface modification for biomedical materials.

Keywords: Electrodeposition; biomaterials; bonding strength; coating; graphene (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1142/S0218625X23500312

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