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Influence of texture and grain size on martensitic transformations occurring during low-cycle fatigue of a fine-grained austenitic stainless steel

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierLaboratoire de Métallurgie Physique et Génie des Matériaux [LMPGM]
dc.contributor.authorPOULON-QUINTIN, Angeline
hal.structure.identifierLaboratoire de Métallurgie Physique et Génie des Matériaux [LMPGM]
dc.contributor.authorBROCHET, Stéphanie
hal.structure.identifierUgine & Alz Res Ctr
dc.contributor.authorGLEZ, Jean-Christophe
hal.structure.identifierUgine & Alz Res Ctr
dc.contributor.authorMITHIEUX, Jean-Denis
hal.structure.identifierLaboratoire de Métallurgie Physique et Génie des Matériaux [LMPGM]
dc.contributor.authorVOGT, Jean-Bernard
dc.date.issued2010
dc.identifier.issn1438-1656
dc.description.abstractEnThe influence of grain size and texture on microstructural changes occurring during low-cycle fatigue of an austenitic stainless steel are investigated (grain size of 2 and 20 µm). All the materials exhibited a strong secondary hardening at high strain range as a result of a fatigue-induced martensitic transformation. α′ martensite is found to nucleate in austenitic grains containing a high density of dislocations but not at slip band intersections, as is usually reported for austenitic stainless steels. Considering the unstable composition of the steel studied and the decrease of the grain size, dislocations structures inside austenite grains are unchanged but cyclic solicitation promotes the induced transformation of austenitic phase. Localization of the martensite grains formed depends on the grain texture and the grain size inside which nucleus are formed.
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.title.enInfluence of texture and grain size on martensitic transformations occurring during low-cycle fatigue of a fine-grained austenitic stainless steel
dc.typeArticle de revue
dc.identifier.doi10.1002/adem.201000079
dc.subject.halChimie/Matériaux
bordeaux.journalAdvanced Engineering Materials
bordeaux.page1041-1046
bordeaux.volume12
bordeaux.issue10
bordeaux.peerReviewedoui
hal.identifierhal-00547479
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00547479v1
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