Coefficient of friction measured from nano- to macro-normal loads on plasma sprayed nanostructured cermet coatings

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dc.contributor.authorBasak, A.
dc.contributor.authorCelis, J.
dc.contributor.authorVardavoulias, M.
dc.contributor.authorMatteazzi, P.
dc.date.issued2014
dc.description.abstractAlumina dispersed FeCuAl-based nanostructured cermet coatings were deposited from nanostructured powders by atmospheric plasma spraying on low carbon steel substrates. Nanostructuring was retained in the deposited coatings which exhibit up to four distinctive phases as revealed by electron microscopy. In this study, the friction behavior of the distinctive phases at nano-normal load scale was investigated alongside their contribution to the overall friction behavior at macro-normal load scale. Friction behavior at nano-normal load scale was investigated by lateral force microscopy, whereas conventional tribometers were used for investigations at micro and macro-normal loads. It appeared that, the friction measured at nano-normal loads on individual phases is dictated by both composition and hardness of the corresponding phases, and thus influences the overall friction behavior of the coatings at macro-normal loads. Moreover, the coefficient of friction at macro-normal loads differs from the one at nano-normal loads, and deviates from Amonton’s friction law.
dc.description.statementofresponsibilityA. K. Basak, J.-P. Celis, M. Vardavoulias, and P. Matteazzi
dc.identifier.citationMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 2014; 45(2):1049-1056
dc.identifier.doi10.1007/s11661-013-2033-z
dc.identifier.issn1073-5623
dc.identifier.issn1543-1940
dc.identifier.orcidBasak, A. [0000-0003-2301-4758]
dc.identifier.urihttp://hdl.handle.net/2440/86296
dc.language.isoen
dc.publisherASM International
dc.rights© The Minerals, Metals & Materials Society and ASM International 2013
dc.source.urihttps://doi.org/10.1007/s11661-013-2033-z
dc.titleCoefficient of friction measured from nano- to macro-normal loads on plasma sprayed nanostructured cermet coatings
dc.typeJournal article
pubs.publication-statusPublished

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