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Texture inheritance and variant selection through an hcp–bcc–hcp phase transformation / M.R. Daymond in Acta materialia, Vol. 58 N° 11 (Juin 2010) 

Public ISBD [article]  in Acta materialia > Vol. 58 N° 11 (Juin 2010) . - pp. 4053–4066 Titre : Texture inheritance and variant selection through an hcp–bcc–hcp phase transformation Type de document : texte imprimé Auteurs : M.R. Daymond, Auteur ; R. A. Holt, Auteur ; S. Cai, Auteur Année de publication : 2011 Article en page(s) : pp. 4053–4066 Note générale : Métallurgie Langues : Anglais (eng) Mots-clés : Zirconium  Phase  transformations  Internal  stresses  Neutron  diffraction  Texture Résumé : In situ phase transformation experiments have been carried out using neutron diffraction to monitor the texture evolution during the α → β → α phase transformation in a common zirconium alloy. In contrast to recently reported results by other authors, there is clear evidence of a strong variant selection occurring during the α → β transformation and a weaker variant selection during the β → α transformation. Modeling of the texture change associated with the phase transformation has been successful in describing the variant selection occurring during the α → β transformation, and gives insights into the selection occurring during the β → α transformation. The results are relevant to processing of both zirconium and titanium. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science/article/pii/S1359645410001576 [article] Texture inheritance and variant selection through an hcp–bcc–hcp phase transformation [texte imprimé] / M.R. Daymond, Auteur ; R. A. Holt, Auteur ; S. Cai, Auteur . - 2011 . - pp. 4053–4066. Métallurgie Langues : Anglais (eng) in Acta materialia > Vol. 58 N° 11 (Juin 2010) . - pp. 4053–4066 Mots-clés : Zirconium  Phase  transformations  Internal  stresses  Neutron  diffraction  Texture Résumé : In situ phase transformation experiments have been carried out using neutron diffraction to monitor the texture evolution during the α → β → α phase transformation in a common zirconium alloy. In contrast to recently reported results by other authors, there is clear evidence of a strong variant selection occurring during the α → β transformation and a weaker variant selection during the β → α transformation. Modeling of the texture change associated with the phase transformation has been successful in describing the variant selection occurring during the α → β transformation, and gives insights into the selection occurring during the β → α transformation. The results are relevant to processing of both zirconium and titanium. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science/article/pii/S1359645410001576