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Is there a relationship between the stacking fault character and the activated mode of plasticity of Fe-Mn-based austenitic steels?

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Idrissi, Hosni [University of Antwerp] Ryelandt, Laurence [UCL] Veron, M. Schryvers, D. Jacques, Pascal [UCL]

By changing the testing temperature, an austenitic Fe-Mn-Al-Si alloy presents either epsilon-martensite transformation or mechanical twinning during straining. In order to understand the nucleation and growth mechanisms involved in both phenomena, defects and particularly stacking faults, were characterized by transmission electron microscopy. It is observed that the character of the stacking faults also changes (from extrinsic to intrinsic) together with the temperature and the activated mode of plasticity. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2009
Language Anglais
Journal information "Scripta Materialia" - Vol. 60, no. 11, p. 941-944 (2009)
Peer reviewed yes
Publisher Pergamon-elsevier Science Ltd (Oxford)
issn 1359-6462
e-issn 1872-8456
Publication status Publié
Affiliation UCL - FSA/MAPR - Département des sciences des matériaux et des procédés
Keywords Stacking fault ; Martensitic phase transformation ; Twinning ; Austenitic steels ; Deformation structure
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Bibliographic reference Idrissi, Hosni ; Ryelandt, Laurence ; Veron, M. ; Schryvers, D. ; Jacques, Pascal. Is there a relationship between the stacking fault character and the activated mode of plasticity of Fe-Mn-based austenitic steels?. In: Scripta Materialia, Vol. 60, no. 11, p. 941-944 (2009)
Permanent URL http://hdl.handle.net/2078.1/35627