Microhardness Characterization of Fe- and Co-Based Superalloys

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dc.contributor.authorKaraca I.
dc.contributor.authorBüyükakkas S.
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2019
dc.departmentNiğde ÖHÜ
dc.description.abstractThe reverse indentation load-size effects of Fe–Mn–Si and Co–Mn–Si superalloy have been investigated by measuring Vickers hardness. The characterized superalloy samples are presented in the reverse indentation load-size effects, which is known as the microhardness increases with increasing applied load behavior. The theoretical model is rearranged and investigated according to the reverse indentation load-size effects using reconstituted Meyer law, proportional specimen resistance model, and modified proportional specimen resistance model. The reconstituted modified proportional specimen resistance model is highly suitable for describing the data of the Fe–Mn–Si and Co–Mn–Si alloys. SEM micrographs show that Co-based alloys exhibited a dendritic microstructure and Fe-based alloys were presented austenitic microstructure. In this study, the load range from 0.49 to 9.8 N was applied to the materials, but no crack is observed on the surface of the material. This can only be attributed to the occurrence of the elastic deformation which yields reverse indentation size effect in these samples. © 2018, Shiraz University.
dc.identifier.doi10.1007/s40995-018-0604-y
dc.identifier.endpage1319
dc.identifier.issn1028-6276
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85065242733
dc.identifier.scopusqualityQ2
dc.identifier.startpage1311
dc.identifier.urihttps://dx.doi.org/10.1007/s40995-018-0604-y
dc.identifier.urihttps://hdl.handle.net/11480/1472
dc.identifier.volume43
dc.identifier.wosWOS:000466874800062
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherSpringer International Publishing
dc.relation.ispartofIranian Journal of Science and Technology, Transaction A: Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectCo–Mn–Si
dc.subjectFe–Mn–Si
dc.subjectMicrohardness
dc.subjectReverse indentation size effects (RISE)
dc.subjectSEM
dc.subjectSuperalloy
dc.titleMicrohardness Characterization of Fe- and Co-Based Superalloys
dc.typeArticle

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