Micro and nano damage observations of martensitic and austenitic open cell cast foams

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dc.authorid0000-0003-2856-5508
dc.contributor.authorKaya, Ali Can
dc.contributor.authorFromert, Jan
dc.contributor.authorJost, Norbert
dc.contributor.authorFleck, Claudia
dc.date.accessioned2023-03-08T12:37:55Z
dc.date.available2023-03-08T12:37:55Z
dc.date.issued2022
dc.departmentTAÜ, Mühendislik Fakültesi, Mekatronik Mühendisliği Bölümüen_US
dc.description.abstractIn current study a detailed investigation of the 304 austenitic and 420 martensitic foams damage has been carried out at all hierarchical levels. In-situ compression testing of foams and microtensile testing of single struts have been conducted in scanning electron microscope (SEM). Strain field analysis has been carried out by Digital image correlation (DIC) method. Nano damage has been applied by Nanoindentation on the unloaded and compressed foams. 304 foams depicted a ductile failure at each scale, while 420 foams failed with a tremendous brittleness, such that no real plateau regime has been observed. At microscale 420 struts ruptured with an intergranular cracking, while 304 struts underwent transformation induced plasticity (TRIP) effect with signif-icant ductility. Although 304 steel struts have higher strength, 420 steel foams exhibited a higher strength due to their high hardness. Since there is not a plastic bending of the 420 struts, load is distributed homogenously to all struts. For this reason, it was concluded that the hardness and ductility of struts are the dominating factors in the foam deformation.
dc.identifier.citationKaya, A. C., Frömert, J., Jost, N., & Fleck, C. (2022). Micro and nano damage observations of martensitic and austenitic open cell cast foams. Materials Science and Engineering: A, 860, 144253.
dc.identifier.doi10.1016/j.msea.2022.144253
dc.identifier.scopus2-s2.0-85142421014
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://hdl.handle.net/20.500.12846/706
dc.identifier.volume860en_US
dc.identifier.wosWOS:000884096300001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKaya, Ali Can
dc.language.isoen
dc.publisherElsevier Science
dc.relation.ispartofMaterials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectMetal Foamsen_US
dc.subjectMicrodamageen_US
dc.subjectNanoindentationen_US
dc.subjectTRIPen_US
dc.subjectIntergranularen_US
dc.subjectMetal Köpükleren_US
dc.subjectMikro Hasaren_US
dc.subjectNanoindentasyonen_US
dc.subjectMetallschäumeen_US
dc.subjectMikrobeschädigungen_US
dc.titleMicro and nano damage observations of martensitic and austenitic open cell cast foams
dc.typeArticle

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