Consequences of Deep Rolling at Elevated Temperature on Near-Surface and Fatigue Properties of High-Manganese TWIP Steel X40MnCrAl19-2

Due to pronounced work-hardening induced by the complex interplay of deformation mechanisms such as dislocation slip, twinning and/or martensitic phase transformation, high-manganese steels represent a class of materials well-suited for mechanical surface treatment. In the present study, the fatigue...

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Autores principales:	Thomas Wegener, Marcel Krochmal, Torben Oevermann, Thomas Niendorf
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	high-manganese steel deep rolling TWIP near-surface properties residual stresses residual stress stability Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/552f2b0995d849758cd161334d5dc9bc
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spelling	oai:doaj.org-article:552f2b0995d849758cd161334d5dc9bc2021-11-11T15:24:02ZConsequences of Deep Rolling at Elevated Temperature on Near-Surface and Fatigue Properties of High-Manganese TWIP Steel X40MnCrAl19-210.3390/app1121104062076-3417https://doaj.org/article/552f2b0995d849758cd161334d5dc9bc2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/10406https://doaj.org/toc/2076-3417Due to pronounced work-hardening induced by the complex interplay of deformation mechanisms such as dislocation slip, twinning and/or martensitic phase transformation, high-manganese steels represent a class of materials well-suited for mechanical surface treatment. In the present study, the fatigue behavior of a high-mangsanese steel showing twinning-induced plasticity (TWIP) effect at room temperature (RT) was investigated after deep rolling at 550 °C. Results are compared to a former study discussing the behavior after RT deep rolling. Evolution of the near-surface microstructure was analyzed by scanning electron microscopy (SEM), microhardness measurements and residual stress depth profiles obtained by X-ray diffraction (XRD). Both uniaxial tensile tests and uniaxial tension-compression fatigue tests have been conducted in order to rationalize the macroscopic material behavior. Following deep rolling at 550 °C, SEM measurements employing electron backscatter diffraction (EBSD) revealed a heavily deformed surface layer as well as localized deformation twinning. Specimens showed inferior hardness and residual stress depth profiles when compared to RT deep rolled counterparts. Tensile tests indicated no difference between the conditions considered. Fatigue properties however were improved. Such behavior is rationalized by a more stable residual stress state induced by dynamic strain aging.Thomas WegenerMarcel KrochmalTorben OevermannThomas NiendorfMDPI AGarticlehigh-manganese steeldeep rollingTWIPnear-surface propertiesresidual stressesresidual stress stabilityTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10406, p 10406 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	high-manganese steel deep rolling TWIP near-surface properties residual stresses residual stress stability Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	high-manganese steel deep rolling TWIP near-surface properties residual stresses residual stress stability Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Thomas Wegener Marcel Krochmal Torben Oevermann Thomas Niendorf Consequences of Deep Rolling at Elevated Temperature on Near-Surface and Fatigue Properties of High-Manganese TWIP Steel X40MnCrAl19-2
description	Due to pronounced work-hardening induced by the complex interplay of deformation mechanisms such as dislocation slip, twinning and/or martensitic phase transformation, high-manganese steels represent a class of materials well-suited for mechanical surface treatment. In the present study, the fatigue behavior of a high-mangsanese steel showing twinning-induced plasticity (TWIP) effect at room temperature (RT) was investigated after deep rolling at 550 °C. Results are compared to a former study discussing the behavior after RT deep rolling. Evolution of the near-surface microstructure was analyzed by scanning electron microscopy (SEM), microhardness measurements and residual stress depth profiles obtained by X-ray diffraction (XRD). Both uniaxial tensile tests and uniaxial tension-compression fatigue tests have been conducted in order to rationalize the macroscopic material behavior. Following deep rolling at 550 °C, SEM measurements employing electron backscatter diffraction (EBSD) revealed a heavily deformed surface layer as well as localized deformation twinning. Specimens showed inferior hardness and residual stress depth profiles when compared to RT deep rolled counterparts. Tensile tests indicated no difference between the conditions considered. Fatigue properties however were improved. Such behavior is rationalized by a more stable residual stress state induced by dynamic strain aging.
format	article
author	Thomas Wegener Marcel Krochmal Torben Oevermann Thomas Niendorf
author_facet	Thomas Wegener Marcel Krochmal Torben Oevermann Thomas Niendorf
author_sort	Thomas Wegener
title	Consequences of Deep Rolling at Elevated Temperature on Near-Surface and Fatigue Properties of High-Manganese TWIP Steel X40MnCrAl19-2
title_short	Consequences of Deep Rolling at Elevated Temperature on Near-Surface and Fatigue Properties of High-Manganese TWIP Steel X40MnCrAl19-2
title_full	Consequences of Deep Rolling at Elevated Temperature on Near-Surface and Fatigue Properties of High-Manganese TWIP Steel X40MnCrAl19-2
title_fullStr	Consequences of Deep Rolling at Elevated Temperature on Near-Surface and Fatigue Properties of High-Manganese TWIP Steel X40MnCrAl19-2
title_full_unstemmed	Consequences of Deep Rolling at Elevated Temperature on Near-Surface and Fatigue Properties of High-Manganese TWIP Steel X40MnCrAl19-2
title_sort	consequences of deep rolling at elevated temperature on near-surface and fatigue properties of high-manganese twip steel x40mncral19-2
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/552f2b0995d849758cd161334d5dc9bc
work_keys_str_mv	AT thomaswegener consequencesofdeeprollingatelevatedtemperatureonnearsurfaceandfatiguepropertiesofhighmanganesetwipsteelx40mncral192 AT marcelkrochmal consequencesofdeeprollingatelevatedtemperatureonnearsurfaceandfatiguepropertiesofhighmanganesetwipsteelx40mncral192 AT torbenoevermann consequencesofdeeprollingatelevatedtemperatureonnearsurfaceandfatiguepropertiesofhighmanganesetwipsteelx40mncral192 AT thomasniendorf consequencesofdeeprollingatelevatedtemperatureonnearsurfaceandfatiguepropertiesofhighmanganesetwipsteelx40mncral192
_version_	1718435365960810496

Consequences of Deep Rolling at Elevated Temperature on Near-Surface and Fatigue Properties of High-Manganese TWIP Steel X40MnCrAl19-2

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