Development of graphene oxide as a protective coating on biodegradable magnesium implant

Mohamed salah Atallah; Akila Khlifi; Kaouther Khlifi; Marie Jonas Sima Nkele; Najoua Barhoumi; Masoud Atapour

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Mohamed salah Atallah

, Akila Khlifi

, Kaouther Khlifi

, Marie Jonas Sima Nkele

, Najoua Barhoumi

, Masoud Atapour

Резюме: Recently, magnesium alloys including AZ31 have attracted attention in bone regeneration applications such as temporary orthopedic implants due to their high biocompatibility and biodegradability. In the present work, graphene oxide was synthesized by the Hummer process and deposited on magnesium alloy AZ31 by spin coating. The effect of graphene oxide on the surface morphology was defined by Scanning Electron Microscopy and Fourier Transformation Infrared Spectroscopy. Also, the adhesion of graphene oxide to magnesium alloy substrates was evaluated using a scratch tester. Furthermore, the friction and wear behavior of the coatings were tested using multiple scratches. The results show that the graphene oxide coating was successfully deposited on magnesium alloy, and its good adhesion and high wear resistance provide potential for future orthopedic applications.

Series on Biomechanics, Vol.37, No.4 (2023), 85-92

Ключови думи: graphene oxide (GO); Magnesium alloys; spin coating; wear resistance

Литература: (click to open/close)

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DOI: 10.7546/SB.11.04.2023

Дата на публикуване: 2023-11-28

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