Investigation of structural and tribological properties o layers formed in SAE 5140 steel coated with boride powders

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dc.contributor.authorBican, Osman
dc.contributor.authorYamanel, Bunyamin
dc.date.accessioned2020-06-25T18:29:23Z
dc.date.available2020-06-25T18:29:23Z
dc.date.issued2018
dc.departmentKırıkkale Üniversitesi
dc.description.abstractIn this study, the surface of SAE 5140 steel was coated with ferroboron using new powder bonding agent (Baybora-1) for various bonding time at 950 degrees C. The chemical composition and morphology of the phases formed in the internal structure of the bonded samples were examined by XRD, optical microscope and SEM, respectively. In addition, the mechanical properties of the boride layers formed were determined by the measurements of the subsurface hardness. In order to determine the tribological behaviour, these samples were subjected to wear testing using alumina ceramic abrasive powder at different loads. It was observed that the internal structure of unborided samples is generally formed by ferrite and pearlite phases. It has been determined that the boride layer having two different chemical compositions is formed as a result of the bonding processes made for different periods and the boride layer thickness increases with increasing bonding time. Sub-surface hardness measurements showed that three different zones were formed under the surface. In addition, the average surface hardness value of the SEA 5140 steel is 367 +/- 8.2 HV0.1, while it increased up to 1997 +/- 17.2 HV0.1 as the result of the bonding. As a result of the wear testing carried out, it was observed that the abrasion was very dependent on the phases formed in the boride layer and the most suitable balding time was determined. It has been determined that all bonded samples increase the abrasion resistance of the raw steel by about 4 times.en_US
dc.description.sponsorshipScientific Research Project Unit of Kirikkale UniversityKirikkale University [2017/079]en_US
dc.description.sponsorshipThis study was supported by project code number 2017/079 by the Scientific Research Project Unit of Kirikkale University. We are grateful for the support given to the appropriate agency.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1166/mex.2018.1453
dc.identifier.endpage434en_US
dc.identifier.issn2158-5849
dc.identifier.issn2158-5857
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-85056525574
dc.identifier.scopusqualityN/A
dc.identifier.startpage427en_US
dc.identifier.urihttps://doi.org/10.1166/mex.2018.1453
dc.identifier.urihttps://hdl.handle.net/20.500.12587/7286
dc.identifier.volume8en_US
dc.identifier.wosWOS:000449476400004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAmer Scientific Publishersen_US
dc.relation.ispartofMaterials Express
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBoridingen_US
dc.subjectSAE 5140 Steelen_US
dc.subjectMechanical Propertiesen_US
dc.subjectWear Resistanceen_US
dc.subjectSEMen_US
dc.titleInvestigation of structural and tribological properties o layers formed in SAE 5140 steel coated with boride powdersen_US
dc.typeArticle

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