Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7650
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dc.contributor.authorSarıyaka, Mustafa-
dc.contributor.authorTaşdemirci, Alper-
dc.contributor.authorGüden, Mustafa-
dc.date.accessioned2020-02-03T11:56:19Z
dc.date.available2020-02-03T11:56:19Z
dc.date.issued2018-11en_US
dc.identifier.citationSarıyaka, M., Taşdemirci, A., and Güden, M. (2018). Dynamic crushing behavior of a multilayer thin-walled aluminum corrugated core: The effect of velocity and imperfection. Thin-Walled Structures, 132, 332-349. doi:10.1016/j.tws.2018.06.029en_US
dc.identifier.issn0263-8231
dc.identifier.issn0263-8231-
dc.identifier.urihttps://doi.org/10.1016/j.tws.2018.06.029
dc.identifier.urihttps://hdl.handle.net/11147/7650
dc.description.abstractThe crushing behavior of a multilayer 1050 H14 aluminum corrugated core was investigated both experimentally and numerically (LS-Dyna) using the perfect and imperfect models between 0.0048 and 90 m s−1. The dynamic compression and direct impact tests were performed in a compression type and a modified Split Hopkinson Pressure Bar set-up, respectively. The investigated fully imperfect model of the corrugated core sample represented the homogenous distribution of imperfection, while the two-layer imperfect model the localized imperfection. The corrugated core experimentally deformed by a quasi-static homogenous mode between 0.0048 and 22 m s−1, a transition mode between 22 and 60 m s−1 and a shock mode at 90 m s−1. Numerical results have shown that the stress-time profile and the layer crushing mode of the homogeneous and transition mode were well predicted by the two-layer imperfect model, while the stress-time profile and the layer crushing mode were well approximated by the fully imperfect model. The fully imperfect model resulted in complete sequential layer crushing at 75 and 90 m s−1, respectively. The imperfect layers in the shock mode only affected the distal end stresses, while all models implemented resulted in similar impact end stresses. The distal end initial crushing stress increased with increasing velocity until about 22 m s−1; thereafter, it saturated at ~2 MPa, which was ascribed to the micro inertial effect. Both the stress-time and velocity-time history of the rigid-perfectly-plastic-locking model and the critical velocity for the shock deformation were well predicted when a dynamic plateau stress determined from the distal end stresses in the shock mode was used in the calculations.en_US
dc.language.isoengen_US
dc.publisherElsevier Ltd.en_US
dc.relation.ispartofThin-Walled Structuresen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCorrugated coreen_US
dc.subjectDirect impact testen_US
dc.subjectShock deformationen_US
dc.subjectModellingen_US
dc.subjectSplit Hopkinson pressure barsen_US
dc.titleDynamic crushing behavior of a multilayer thin-walled aluminum corrugated core: The effect of velocity and imperfectionen_US
dc.typeArticleen_US
dc.authorid0000-0002-2926-0661en_US
dc.authorid0000-0001-6397-8418en_US
dc.institutionauthorSarıyaka, Mustafa-
dc.institutionauthorTaşdemirci, Alper-
dc.institutionauthorGüden, Mustafa-
dc.departmentİzmir Institute of Technology. Mechanical Engineeringen_US
dc.identifier.volume132en_US
dc.identifier.startpage332en_US
dc.identifier.endpage349en_US
dc.identifier.wosWOS:000449569000026en_US
dc.identifier.scopus2-s2.0-85052648153en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.tws.2018.06.029-
dc.relation.doi10.1016/j.tws.2018.06.029en_US
dc.coverage.doi10.1016/j.tws.2018.06.029en_US
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
crisitem.author.dept03.10. Department of Mechanical Engineering-
crisitem.author.dept03.10. Department of Mechanical Engineering-
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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