Combining multi-scale surface texturing and DLC coatings for improved tribological performance of 3D printed polymers

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dc.article.number129682
dc.catalogadorjca
dc.contributor.authorMarian, Max
dc.contributor.authorZambrano, Dario F.
dc.contributor.authorRothammer, Benedict
dc.contributor.authorWaltenberger, Valentin
dc.contributor.authorBoidi, Guido
dc.contributor.authorKrapf, Anna
dc.contributor.authorMerle, Benoit
dc.contributor.authorStampfl, Jürgen
dc.contributor.authorRosenkranz, Andreas
dc.contributor.authorGachot, Carsten
dc.contributor.authorGrützmacher, Philipp G.
dc.date.accessioned2024-06-06T14:28:10Z
dc.date.available2024-06-06T14:28:10Z
dc.date.issued2023
dc.description.abstractPolymer components fabricated by additive manufacturing typically show only moderate strength and low temperature stability, possibly leading to severe wear and short lifetimes especially under dry tribological sliding. To tackle these shortcomings, we investigated the combination of single- and multi-scale textures directly fabricated by digital light processing with amorphous diamond-like carbon (DLC) coatings. The topography of the samples and conformity of the coatings on the textures are assessed and their tribological behaviour under dry conditions is studied. We demonstrate that the surface textures have a detrimental tribological effect on the uncoated samples. This changes with the application of DLC coatings since friction substantially reduces and wear of the textures is not observed anymore. These trends are attributed to the protection of the underlying polymer substrate by the coatings and a reduced contact area. The best tribological performance is found for a coating with highest hardness and hardness-to-elasticity ratios. Moreover, multi-scale textures perform slightly better than single-scale textures due to a smaller real contact area. Summarizing, we verified that the high flexibility and low production costs of 3D printing combined with the excellent mechanical and tribological properties of DLC results in synergistic effects with an excellent performance under dry sliding conditions
dc.fuente.origenORCID
dc.identifier.doi10.1016/j.surfcoat.2023.129682
dc.identifier.issn0257-8972
dc.identifier.urihttps://doi.org/10.1016/j.surfcoat.2023.129682
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/86518
dc.identifier.wosidWOS:001017995300001
dc.information.autorucEscuela de Ingeniería; Marian , Max; 0000-0003-2045-6649; 1247429
dc.language.isoen
dc.nota.accesocontenido completo
dc.pagina.final8
dc.pagina.inicio1
dc.revistaSurface and Coatings Technology
dc.rightsacceso abierto
dc.subjectMulti-scale texturing
dc.subjectAdditive manufacturing
dc.subjectDiamond-like carbon
dc.subjectCoatings
dc.subjectFriction
dc.subject.ddc610
dc.subject.deweyMedicina y saludes_ES
dc.titleCombining multi-scale surface texturing and DLC coatings for improved tribological performance of 3D printed polymers
dc.typeartículo
dc.volumen466
sipa.codpersvinculados1247429
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