Characterization and wear behavior of TiBC coatings formed by thermoreactive diffusion technique on AISI D6 steel

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dc.authorid0000-0001-9764-9313en_US
dc.contributor.authorKurt, Bülent
dc.contributor.authorÖzdoğan, Lütfullah
dc.contributor.authorGüney, Bekir
dc.date.accessioned2020-05-07T20:56:07Z
dc.date.available2020-05-07T20:56:07Z
dc.date.issued2020en_US
dc.departmentKMÜ, Teknik Bilimler Meslek Yüksekokulu, Motorlu Araçlar ve Ulaştırma Teknolojileri Bölümüen_US
dc.descriptionWOS:000526980900010en_US
dc.description.abstractA two-step Thermo reactive diffusion processes (including an initial titatinizing step followed by boronizing) is proposed in order to obtain superhard complex TiBC coating layer on AISI D6 steel. Microstructural characterization and mechanical properties of obtained TiBC layer conducted by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), optical microscopy, 2D profilometer, X-ray diffraction (XRD), micro-hardness, nano-indentation hardness and ball-on disc wear tests. Wear tests were carried out in ball on disc device by applying 30 N load and 500 m sliding distance against WC abrasive ball. Microstructural studies revealed a compact, homogenous and crack-free TiBC layer with 0.29-1.91 surface roughness (Ra), 3.65-29.5 mu m thickness and 1800-4841 HV0.05, hardness and 146-235 GPa elastic modulus. Hardness values of TiBC layers was significantly higher than those obtained by standard titanizing and boronizing due to the interspersed TiB and TiC phases within the TiBC layer. Higher hardness values are highly effective on the wear resistance and wear type. Thus, in parallel with the increase in mechanical properties, wear resistance increased in the range of 4-120 times in comparison with the untreated AISI D6 sample. Severe wear and extensive plastic deformation was observed in the untreated AISI D6, while micro-cutting, micro-cracking and pitting was dominant in samples with hardness 1800-4000 HV. When the surface hardness reached values above 4000 HV the wear mechanism further changed to microcracking and spalling.en_US
dc.identifier.citationKurt, B., Özdoğan, L., Güney, B. (2020). Characterization and wear behavior of TiBC coatings formed by thermoreactive diffusion technique on AISI D6 steel. Surface and Coatings Technology, 385en_US
dc.identifier.doi10.1016/j.surfcoat.2020.125332
dc.identifier.issn0257-8972
dc.identifier.scopus2-s2.0-85077798529
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.surfcoat.2020.125332
dc.identifier.urihttps://hdl.handle.net/11492/3478
dc.identifier.volume385en_US
dc.identifier.wosWOS:000526980900010
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Sceince
dc.indekslendigikaynakScopus
dc.institutionauthorGüney, Bekir
dc.language.isoen
dc.publisherElsevieren_US
dc.relation.journalSurface and Coatings Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCoatingen_US
dc.subjectHardnessen_US
dc.subjectTiBCen_US
dc.subjectFrictionen_US
dc.subjectWearen_US
dc.titleCharacterization and wear behavior of TiBC coatings formed by thermoreactive diffusion technique on AISI D6 steelen_US
dc.typeArticle

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