Surface nanocrystallization of SAE 1008 steel by single and multipass thread rolling process; [Nanokristallisierung der Oberfläche von SAE 1008 Stahl durch Ein- und Mehrfach-Gewindewalzen]

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dc.contributor.authorKahraman F.
dc.contributor.authorGençer G.M.
dc.contributor.authorKahraman A.D.
dc.date.accessioned2024-07-22T08:10:40Z
dc.date.available2024-07-22T08:10:40Z
dc.date.issued2017
dc.description.abstractIn this study, the layers are investigated which are obtained on the surfaces of the single and multi-pass thread rolled screws. It is observed that deformation is more homogenous depending on the pass number and thread laps failure do not form on the 3-passed threads. A nanocrystallized layer that thicknesses and size depends on deformation amount is determined on the surfaces of the thread rolled SAE 1008 steel. While top of this layer has finer grain sizes, depending on the deformation amount grains coursed and oriented by the deformation direction. The finer grains are observed in the single pass thread rolled sample as size of 136 nm at the 15 μm inside from the surface of the root of the thread. Compared with bulk material, significant hardness increase is observed on the surfaces of the all thread rolled samples. The effect of pass number on the hardness is very low, increases of the pass number, hardness increases slightly. But thicknesses of layer are enhanced to increase the pass number. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
dc.identifier.DOI-ID10.1002/mawe.201700038
dc.identifier.issn09335137
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/15342
dc.language.isoEnglish
dc.publisherWiley-VCH Verlag
dc.subjectCold rolling
dc.subjectDeformation
dc.subjectHardness
dc.subjectNanocrystallization
dc.subjectNanocrystals
dc.subjectBulk materials
dc.subjectCold forming
dc.subjectFiner grains
dc.subjectHardness increase
dc.subjectNanocrystallized layer
dc.subjectSAE 1008
dc.subjectSurface nanocrystallization
dc.subjectThread rolling process
dc.subjectThread rolling
dc.titleSurface nanocrystallization of SAE 1008 steel by single and multipass thread rolling process; [Nanokristallisierung der Oberfläche von SAE 1008 Stahl durch Ein- und Mehrfach-Gewindewalzen]
dc.typeArticle

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