Carbon addition effects on microstructure and small-scale hardness for Ti(C,N)-FeNi cermets

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Show simple item record Besharatloo, H. Nicolás Morillas, María de Wheeler, J.M. Mateo, A. Ferrari, Begoña Gordo Odériz, Elena Llanes, L. Roa, J.J. 2021-01-27T16:29:36Z 2021-09-01T23:00:04Z 2019-12
dc.identifier.bibliographicCitation International Journal of Refractory Metals and Hard Materials, (2019), v. 85, 105064.
dc.description.abstract The current study investigates the influence of carbon addition on the microstructural and micromechanical properties of Ti(C,N)-FeNi cermets with different ceramic/metal phase ratios. Evaluation of small-scale hardness is conducted by using high speed nanoindentation in conjunction with statistical analysis. It allows to gather extremely large data sets (40,000 imprints per grade and condition); and thus, detailed hardness mapping at the microstructure length scale. Subsequent statistical analysis was done by considering three mechanically distinct phases: Ti(C,N) particles, the metallic binder, and one exhibiting the composite behaviour (i.e. imprints probing two-phase regions). In general, it is found that porosity amount is reduced as ceramic/metal phase ratio decreases and carbon is added. Carbon addition is also observed to rise small-scale hardness, but only for two of the defined phases: metallic binder and the composite one. Similar trends are observed regarding the influence of ceramic/metal phase ratio and carbon addition on the inverse hardness-fracture toughness correlation measured under high applied loads.
dc.description.sponsorship This investigation was supported by the Spanish Ministerios de Economía y Competitividad MINECO through grant MAT2015-70780-C4-P. J.J. Roa acknowledges the Serra Hunter programme of the Generalitat de Catalunya.
dc.format.extent 9
dc.language.iso eng
dc.publisher Elsevier
dc.rights © 2019 Elsevier Ltd. All rights reserved.
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.subject.other Cermet
dc.subject.other High speed indentation
dc.subject.other Hardness
dc.subject.other Mechanical mapping
dc.subject.other Massive indentation
dc.subject.other Statistical analysis
dc.title Carbon addition effects on microstructure and small-scale hardness for Ti(C,N)-FeNi cermets
dc.type article
dc.description.status Publicado
dc.subject.eciencia Materiales
dc.rights.accessRights restrictedAccess
dc.relation.projectID Gobierno de España. MAT2015-70780-C4-P
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 1
dc.identifier.publicationlastpage 9
dc.identifier.publicationtitle International Journal of Refractory Metals and Hard Materials
dc.identifier.publicationvolume 85(105064)
dc.identifier.uxxi AR/0000024368
carlosiii.embargo.terms 2021-09
dc.contributor.funder Ministerio de Economía y Competitividad (España)
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