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Graphene Coatings for Biomedical Implants
Published on: March 1, 2013
Bioactive apatite-wollastonite glass ceramics coating on metallic titanium for biomedical applications: effect of
Eren Yılmaz1,2, Serbülent Türk3,4, Alican Bahadır Semerci5
1Department of Welding Technology, Arifiye Vocational High School, Sakarya Applied Sciences University, 54187, Serdivan, Sakarya, Turkey. erenyilmaz@subu.edu.tr.
Abstract:
Metallic titanium (Ti) implant surfaces need improvement for bioproperties and antibacterial behavior. For this purpose, a new boron-doped bioactive apatite-wollastonite (AW) coating was successfully developed on the Ti plate surface. The effects of boron addition on the microstructure, mechanical properties, and bioproperties of the AW coating were investigated. With the addition of boron (B), the AW coating morphology became less porous and compact. In terms of bio properties, the rate of apatite formation increased with the addition of B, and the cell viability rate increased from approximately 66-81%. B addition increased the elastic modulus of the AW coating from about 24-46 GPa and increased its hardness about 2.5 times. In addition, while no antibacterial activity was observed in the AW coating, the addition of boron slightly introduced antibacterial properties. The novel AW/B composite coating obtained is promising for Ti implant surfaces.
