Biocompatibility and mechanical properties of diamond-like coatings on cobalt-chromium-molybdenum steel and titanium-aluminum-vanadium biomedical alloys

Journal of Biomedical Materials Research. Part a
C HinüberM J Baumann

Abstract

Diamond-like carbon (DLC) films are favored for wear components because of diamond-like hardness, low friction, low wear, and high corrosion resistance (Schultz et al., Mat-wiss u Werkstofftech 2004;35:924-928; Lappalainen et al., J Biomed Mater Res B Appl Biomater 2003;66B:410-413; Tiainen, Diam Relat Mater 2001;10:153-160). Several studies have demonstrated their inertness, nontoxicity, and the biocompatibility, which has led to interest among manufacturers of surgical implants (Allen et al., J Biomed Mater Res B Appl Biomater 2001;58:319-328; Uzumaki et al., Diam Relat Mater 2006;15:982-988; Hauert, Diam Relat Mater 2003;12:583-589; Grill, Diam Relat Mater 2003;12:166-170). In this study, hydrogen-free amorphous, tetrahedrally bonded DLC films (ta-C) were deposited at low temperatures by physical vapor deposition on medical grade Co28Cr6Mo steel and the titanium alloy Ti6Al4V (Scheibe et al., Surf Coat Tech 1996;85:209-214). The mechanical performance of the ta-C was characterized by measuring its surface roughness, contact angle, adhesion, and wear behavior, whereas the biocompatibility was assessed by osteoblast (OB) attachment and cell viability via Live/Dead assay. There was no statistical difference found in the wettabi...Continue Reading

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Citations

Nov 15, 2012·Antimicrobial Resistance and Infection Control·Nathalie TétaultNathalie van der Mee-Marquet
Jul 22, 2014·Journal of Biomedical Materials Research. Part a·Niall LoganPeter Brett
Oct 20, 2015·Materials Science & Engineering. C, Materials for Biological Applications·A P HopperF Claeyssens
Oct 28, 2015·BioMed Research International·Martin B BezuidenhoutLeon M T Dicks
Dec 22, 2016·Journal of Materials Science. Materials in Medicine·Elena FilovaLucie Bacakova
Jul 6, 2018·Journal of Applied Biomaterials & Functional Materials·Konstantinos KapnisisGeorgios Constantinides
Dec 16, 2020·ACS Biomaterials Science & Engineering·Nitu BhaskarBikramjit Basu

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