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Variant selection during the gamma-to-alpha(b) phase transformation in hot-rolled bainitic TRIP-aided steels

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Malet, L. Barnett, M. R. Jacques, Pascal [UCL] Godet, S.

The variant selection phenomenon during the austenite to bainite phase transformation in hot-rolled TRIP-aided steels was quantitatively characterized at the level of individual austenite grains. The reconstruction of the electron backscatter diffraction maps provided evidence that bainite grows by packets of laths sharing a common {1 1 1}(gamma) plane in the austenite. The affect of hot deformation is to reduce the number of packets that form. It is suggested that slip activity is important in understanding this effect. (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. 61, no. 5, p. 520-523 (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 Orientation relationship ; Bainite ; Variant selection ; TRIP-aided steel ; Texture
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Bibliographic reference Malet, L. ; Barnett, M. R. ; Jacques, Pascal ; Godet, S.. Variant selection during the gamma-to-alpha(b) phase transformation in hot-rolled bainitic TRIP-aided steels. In: Scripta Materialia, Vol. 61, no. 5, p. 520-523 (2009)
Permanent URL http://hdl.handle.net/2078.1/35438