Adhesion and Scratch Testing of Antibiotic Loaded Poly-Lactic Acid Biocomposite Thin Films on Metallic Implants

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dc.contributor.authorKaracan, Ipek
dc.contributor.authorChou, Joshua
dc.contributor.authorBen-Nissan, Besim
dc.contributor.authorMacha, Innocent J
dc.contributor.authorJuritza, Arion
dc.contributor.authorWang, Andy H
dc.contributor.authorMuller, Wolfgang H
dc.contributor.authorGrossin, David
dc.contributor.authorTaraschi, Valerio
dc.contributor.authorOktar, Faik N
dc.contributor.authorSwain, Michael
dc.date.accessioned2019-02-14T20:31:05Z
dc.date.available2019-02-14T20:31:05Z
dc.date.issued2018-10
dc.description.abstractSurface modifications have been progressively applied in order to improve the mechanical, biological and chemical properties of metallic dental and orthopedic implants. Therefore, the novel and multifunctional biocomposites coating matrices, which also consist of local and targeted drug delivery systems, are the most recent applications in the medical field. In this study, gentamicin antibiotic containing HAp bioceramics were utilized in a biodegradable poly-lactic acid thin film matrix which was applied to Ti6Al4V metallic implant surfaces. Nanoindentation and scratch test methods were applied. It was observed that, bonding between coating and the substrate is strong enough to be used in implant applications. Additionally, it was observed that the hardness and Young's Modulus values of uncoated Ti6Al4V disc were 4.3 and 125.2 GPa, respectively. However, under the same testing conditions, it was also observed that the H values (0.6-0.8GPa) and the E (50-60 GPa) values of PLA-HAp biocomposite coated samples are slightly higher than the H values (0.4-0.6 GPa) and the E values (40-50GPa) of only PLA coated sample.en_US
dc.identifier.doi10.4028/www.scientific.net/KEM.782.195
dc.identifier.urihttp://hdl.handle.net/20.500.11810/5047
dc.language.isoenen_US
dc.publisherTrans Tech Publicationsen_US
dc.subjectNano-indentation, scratch test, PLA biocomposites thin film, coatingen_US
dc.titleAdhesion and Scratch Testing of Antibiotic Loaded Poly-Lactic Acid Biocomposite Thin Films on Metallic Implantsen_US
dc.typeJournal Articleen_US
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