Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/751
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dc.contributor.authorHafızoğlu, Hakan-
dc.contributor.authorDurlu, Nuri-
dc.date.accessioned2019-03-18T14:37:33Z
dc.date.available2019-03-18T14:37:33Z
dc.date.issued2018-07-04
dc.identifier.citationHafızoğlu, H., & Durlu, N. (2018). Effect of sintering temperature on the high strain rate-deformation of tungsten heavy alloys. International Journal of Impact Engineering, 121, 44-54.en_US
dc.identifier.urihttps://doi.org/10.1016/j.ijimpeng.2018.07.001-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/751-
dc.description
dc.description.abstractIn this study, the effect of sintering temperature on the high strain rate-deformation of 93W-5.6Ni-1.4Fe, 93W-4.67Ni-2.33Fe, and 93W-3.5Ni-3.5Fe alloys was investigated. The samples were sintered at 1460, 1480, and1500 °C for 20 min in a hydrogen environment and for 10 min in an argon atmosphere. The mechanical prop-erties of the alloy samples were evaluated by compression tests. Taylor impact tests were carried out using asingle stage gas gun at three different impact velocities of 200, 225, and 250 m/s. Taylor impact simulationswere performed using LS-DYNA according to the Finite Element Method (FEM) (with three element sizes) andthe Smooth Particle Hydrodynamics (SPH) method for comparison of these two Lagrangian methods. The ex-perimental results showed that an increase in the sintering temperature led to greater ductility, which in turnenhanced the plasticity and altered the fracture behavior of the alloy samples during impact testing. The si-mulated results mainly showed that a reduction in the element size of the FEM models led to a more accuratedescription of the fracture behavior of the samples during impact tests. The study also showed that the di-mensions obtained from simulations carried out using the SPH method were closer to the test sample than thoseobtained using the FEM method.en_US
dc.description.sponsorshipThis study was supported by the TOBB University of Economics and Technology and TUBITAK SAGE. The authors acknowledge Dr. N. Kaan Caliskan from TUBİTAK SAGE for his contributions to the studies on sintering.en_US
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofInternational Journal of Impact Engineeringen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectTungsten heavy alloysen_US
dc.subjectHigh strain rate-deformationen_US
dc.subjectTaylor impact testen_US
dc.subjectFracture modesen_US
dc.titleEffect of sintering temperature on the high strain rate-deformation of tungsten heavy alloysen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Mechanical Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümütr_TR
dc.identifier.volume121tr
dc.identifier.issueNovember 2018
dc.identifier.startpage44
dc.identifier.endpage54
dc.identifier.wosWOS:000445313400005en_US
dc.identifier.scopus2-s2.0-85050274115en_US
dc.institutionauthorDurlu, Nuri-
dc.identifier.doi10.1016/j.ijimpeng.2018.07.001-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
crisitem.author.dept02.7. Department of Mechanical Engineering-
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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