Tribological investigation of diamond-like carbon coated micro-dimpled surface under bovine serum and osteoarthritis oriented synovial fluid

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dc.contributor.authorGhosh, Subircs
dc.contributor.authorChoudhury, Dipankarcs
dc.contributor.authorRoy, Taposhcs
dc.contributor.authorMamat, Azuddin Bincs
dc.contributor.authorMasjuki, Haji Hassancs
dc.contributor.authorPingguan-Murphy, Belindacs
dc.coverage.issue3cs
dc.coverage.volume16cs
dc.date.issued2015-06-01cs
dc.description.abstractOsteoarthritis-oriented synovial fluid (OASF), i.e., that typical of a patient with osteoarthritis, has different physical and biological characteristics than bovine serum (BS), a lubricant widely used in biotribological investigations. Micro-dimpled and diamond-like carbon-(DLC) coated surfaces are key emerging interfaces for orthopedic implants. In this study, tribological performances of dimpled surfaces, with and without DLC coating, have been investigated under both BS and OASF. The friction tests were performed utilizing a pin on a disk tribometer, whereas contact pressure, speed, and temperature were simulated to a 'medium walking gait' of hip joint conditions. The mechanical properties of the specimen and the physical properties of the lubricant were characterized before the friction test. Raman analysis was conducted to identify the coating condition both before and after the test. The DLC-coated dimpled surface showed maximum hardness and residual stress. A DLC-coated dimpled surface under an OASF lubricated condition yielded a lower friction coefficient and wear compared to those of plain and dimpled specimens. The higher graphitization of coated materials with increasing load was confirmed by Raman spectroscopy.en
dc.formattextcs
dc.format.extent1-11cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationScience and Technology of Advanced Materials. 2015, vol. 16, issue 3, p. 1-11.en
dc.identifier.doi10.1088/1468-6996/16/3/035002cs
dc.identifier.issn1878-5514cs
dc.identifier.other163344cs
dc.identifier.urihttp://hdl.handle.net/11012/201332
dc.language.isoencs
dc.publisherIOP Publishingcs
dc.relation.ispartofScience and Technology of Advanced Materialscs
dc.relation.urihttps://www.tandfonline.com/doi/full/10.1088/1468-6996/16/3/035002cs
dc.rightsCreative Commons Attribution 3.0 Unportedcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1878-5514/cs
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/cs
dc.subjectfrictionen
dc.subjectwearen
dc.subjectDLCen
dc.subjectdimpleen
dc.subjectOA synovial fluiden
dc.titleTribological investigation of diamond-like carbon coated micro-dimpled surface under bovine serum and osteoarthritis oriented synovial fluiden
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-163344en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:48:38en
sync.item.modts2025.01.17 18:33:12en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav konstruovánícs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilé instrumentace a metody pro charakterizace materiálůcs
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Ústav konstruování
Pokročilé instrumentace a metody pro charakterizace materiálů