Preparation of Wear-Resistant and Antibacterial TiN/GO Coating for Knee Pads by Arc Deposition Technology in Seawater Environment

Lingjun Zhu

doi:10.71222/jks62b17

Authors

Lingjun Zhu Jiangsu Ruike Health Technology Co., Ltd., Suzhou, China Author

DOI:

https://doi.org/10.71222/jks62b17

Keywords:

TiN/GO coating, Arc deposition, Wear resistance, Antibacterial, Seawater environment, Knee pads, Tribological properties

Abstract

This study investigates the preparation of wear-resistant and antibacterial titanium nitride/graphene oxide (TiN/GO) coatings on knee pads using arc deposition technology in a simulated seawater environment. The coatings were synthesized with varying GO concentrations to optimize their tribological and antibacterial properties. The microstructure, composition, and mechanical properties of the coatings were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), and nanoindentation. Wear resistance was evaluated through pin-on-disk tests, while antibacterial activity was assessed against Staphylococcus aureus and Escherichia coli. Results indicated that the incorporation of GO significantly enhanced the wear resistance and antibacterial performance of the TiN coating. Specifically, an optimized GO concentration led to a substantial reduction in the friction coefficient and wear rate, alongside improved antibacterial efficacy. The enhanced performance is attributed to the synergistic effect of TiN’s hardness and GO’s lubricating and antibacterial properties. This research provides a promising approach for developing high-performance coatings for biomedical applications in harsh environments.

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