On the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism

The present work deals with revealing the fatigue and dwell-fatigue behavior and correlated damage mechanisms of Fe–Mn–Al–C lightweight steel. Surprisingly, alteration in loading mode from monotonic to cyclic induces reversible dislocation movement and facilitates the occurrence of dynamic strain ag...

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Autores principales:	A. Moshiri, A. Zarei-Hanzaki, A.S. Anousheh, H.R. Abedi, Seok Su Sohn, Junha Yang, M. Jaskari, L.P. Karjalainen, F. Berto
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Dynamic strain aging Cyclic deformation Dwell-fatigue Low-density steel Fractography Damage mechanism Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/db966adbbd4d412c8569293bf8bde229
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spelling	oai:doaj.org-article:db966adbbd4d412c8569293bf8bde2292021-11-28T04:32:34ZOn the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism2238-785410.1016/j.jmrt.2021.10.135https://doaj.org/article/db966adbbd4d412c8569293bf8bde2292021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421012722https://doaj.org/toc/2238-7854The present work deals with revealing the fatigue and dwell-fatigue behavior and correlated damage mechanisms of Fe–Mn–Al–C lightweight steel. Surprisingly, alteration in loading mode from monotonic to cyclic induces reversible dislocation movement and facilitates the occurrence of dynamic strain aging. Additionally, applying dwell time by an acceleration of strain aging intensified stress asymmetry during dwell fatigue. The occurrence of strain aging has a bilateral effect on the crack initiation and growth. On one hand, strain aging stimulates twin formation and retards fatigue crack initiation, however, on the other hand, reduces hardening capacity, restricts the plastic deformation and facilitates crack propagation.A. MoshiriA. Zarei-HanzakiA.S. AnoushehH.R. AbediSeok Su SohnJunha YangM. JaskariL.P. KarjalainenF. BertoElsevierarticleDynamic strain agingCyclic deformationDwell-fatigueLow-density steelFractographyDamage mechanismMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 6136-6154 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Dynamic strain aging Cyclic deformation Dwell-fatigue Low-density steel Fractography Damage mechanism Mining engineering. Metallurgy TN1-997
spellingShingle	Dynamic strain aging Cyclic deformation Dwell-fatigue Low-density steel Fractography Damage mechanism Mining engineering. Metallurgy TN1-997 A. Moshiri A. Zarei-Hanzaki A.S. Anousheh H.R. Abedi Seok Su Sohn Junha Yang M. Jaskari L.P. Karjalainen F. Berto On the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism
description	The present work deals with revealing the fatigue and dwell-fatigue behavior and correlated damage mechanisms of Fe–Mn–Al–C lightweight steel. Surprisingly, alteration in loading mode from monotonic to cyclic induces reversible dislocation movement and facilitates the occurrence of dynamic strain aging. Additionally, applying dwell time by an acceleration of strain aging intensified stress asymmetry during dwell fatigue. The occurrence of strain aging has a bilateral effect on the crack initiation and growth. On one hand, strain aging stimulates twin formation and retards fatigue crack initiation, however, on the other hand, reduces hardening capacity, restricts the plastic deformation and facilitates crack propagation.
format	article
author	A. Moshiri A. Zarei-Hanzaki A.S. Anousheh H.R. Abedi Seok Su Sohn Junha Yang M. Jaskari L.P. Karjalainen F. Berto
author_facet	A. Moshiri A. Zarei-Hanzaki A.S. Anousheh H.R. Abedi Seok Su Sohn Junha Yang M. Jaskari L.P. Karjalainen F. Berto
author_sort	A. Moshiri
title	On the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism
title_short	On the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism
title_full	On the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism
title_fullStr	On the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism
title_full_unstemmed	On the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism
title_sort	on the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/db966adbbd4d412c8569293bf8bde229
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On the fatigue and dwell-fatigue behavior of a low-density steel and the correlated microstructure origin of damage mechanism

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