Mechanical properties of nanocrystalline Ti–B–(N) coatings produced by DC magnetron sputtering

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dc.contributor.authorGarcía-Luis, A.
dc.contributor.authorBrizuela, Marta
dc.contributor.authorOnate, J.I.
dc.contributor.authorSánchez-López, J.C.
dc.contributor.authorMartínez-Martínez, D.
dc.contributor.authorLópez-Cartes, C.
dc.contributor.authorFernández, A.
dc.contributor.institutionTECNOLOGÍAS DE HIDRÓGENO
dc.contributor.institutionINGENIERÍA DE SUPERFICIES
dc.contributor.institutionTecnalia Research & Innovation
dc.date.issued2005-10-01
dc.description.abstractTi–B–(N) coatings have been deposited by DC magnetron sputtering using TiB2 targets in Ar/N2 gas mixtures. The influence of bias voltage and nitrogen flow on the mechanical and tribological properties of these coatings has been studied. Mechanical properties have been evaluated by ultra-microindentation techniques and scratch testing; tribology tests have been performed in a pin-on-disc apparatus with controlled humidity conditions. Microstructural characterization by X-ray diffraction (XRD) and Transmission Electron Microscopy (TEM) demonstrates the nanocrystalline structure of Ti–B–(N) coatings and allows the interpretation of their mechanical behaviour. Hardness values up to 58 GPa have been achieved, depending on deposition conditions. Increasing the bias voltage on the substrates improves the hardness of coatings, while the addition of nitrogen significantly decreases these values. Coating adhesion obtained on highspeed steel is very good in most cases, reaching values higher than 60 N of critical load. Tribotests performed on these coatings against a Steel contact (wear conditions: 0.98 N load, 10 cm/s, 50% RH, 10 mm bearing steel ball diameter) have yielded very low wear rates but friction coefficients in the range of 0.6–1.0.en
dc.description.statusPeer reviewed
dc.format.extent5
dc.format.extent422762
dc.identifier.citationGarcía-Luis , A , Brizuela , M , Onate , J I , Sánchez-López , J C , Martínez-Martínez , D , López-Cartes , C & Fernández , A 2005 , ' Mechanical properties of nanocrystalline Ti–B–(N) coatings produced by DC magnetron sputtering ' , unknown , vol. unknown , no. 1-4 SPEC. ISS. , pp. 734-738 . https://doi.org/10.1016/j.surfcoat.2005.02.070
dc.identifier.doi10.1016/j.surfcoat.2005.02.070
dc.identifier.otherresearchoutputwizard: 11556/44
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=24644500705&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofunknown
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subject.keywordsMagnetron sputtering
dc.subject.keywordsTi–B–(N)
dc.subject.keywordsNanocrystalline
dc.subject.keywordsHardness
dc.subject.keywordsScratch test
dc.subject.keywordsPin-on-disc
dc.subject.keywordsMagnetron sputtering
dc.subject.keywordsTi–B–(N)
dc.subject.keywordsNanocrystalline
dc.subject.keywordsHardness
dc.subject.keywordsScratch test
dc.subject.keywordsPin-on-disc
dc.subject.keywordsGeneral Chemistry
dc.subject.keywordsCondensed Matter Physics
dc.subject.keywordsSurfaces and Interfaces
dc.subject.keywordsSurfaces, Coatings and Films
dc.subject.keywordsMaterials Chemistry
dc.subject.keywordsFunding Info
dc.subject.keywordsSpanish Ministry of Science and Technology (MICYT) under project No. MAT2001-1399-C02-01.
dc.subject.keywordsSpanish Ministry of Science and Technology (MICYT) under project No. MAT2001-1399-C02-01.
dc.titleMechanical properties of nanocrystalline Ti–B–(N) coatings produced by DC magnetron sputteringen
dc.typejournal article
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