Research demonstrates improved biocompatibility and antibacterial effects of Ti/TaN coating in orthopaedic implants, suggesting enhanced performance.
Titanium (Ti) alloy is biocompatible in nature and hence is used in orthopaedic applications. To enhance the biological properties of Ti6Al4V-alloy, some surface modification techniques have been used. In this study, RF-magnetron–sputtered Ti/TaN coating is deposited on Ti6Al4V-alloy and the antibacterial and biocompatibility properties of the deposited film are demonstrated. Surface topographical analysis with field emission scanning electron microscopy (FESEM) showed the cross-section morphology of the deposited thin film. The element composition of the coating was obtained using energy-dispersive X-ray spectroscopy, confirming the presence of the coating elements. The wetting-angle of Ti/TaN-coated surface (86.13°) was greater than uncoated Ti6Al4V surface (65.61°). Escherichia coli bacteria were used to demonstrate the antibacterial examination using a disc diffusion method. For biocompatibility, in-vitro tests with MG63 osteoblast cells showed greater viability (survival rate of 96.62%) on the coated sample. The results of this work indicate the viability of the deposited coating for implant application.
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Hussain et al. (2025) studied this question.
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