Role of lattice strain on thermal stability of a nanocrystalline FeMo alloy / A. Molinari in Acta materialia, Vol. 58 N° 3 (Fevrier 2010)  

Public ISBD [article]  inActa materialia > Vol. 58 N° 3 (Fevrier 2010) . - pp. 963-966 Titre : Role of lattice strain on thermal stability of a nanocrystalline FeMo alloy Type de document : texte imprimé Auteurs : A. Molinari, Auteur ; S. Libardi, Auteur ; M. Leoni, Auteur Article en page(s) : pp. 963-966 Note générale : Métallurgie Langues : Anglais (eng) Mots-clés : Mechanical milling X-ray diffraction Nanocrystalline materials Iron alloy Grain growth Index. décimale : 669 Métallurgie Résumé : The thermal stability of a nanocrystalline Fe–1.5 wt.% Mo powder milled with nano-SiO2 was investigated in situ by synchrotron radiation X-ray diffraction. Crystallite size is stabilized by the grain-boundary strain, therefore grain growth starts only after a certain amount of this strain has been released. The phenomenon was rationalized by a micromechanics approach, which considers the equilibrium between forces acting on the grain boundary surface. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%235556%23 [...] [article] Role of lattice strain on thermal stability of a nanocrystalline FeMo alloy [texte imprimé] / A. Molinari, Auteur ; S. Libardi, Auteur ; M. Leoni, Auteur . - pp. 963-966. Métallurgie Langues : Anglais (eng) in Acta materialia > Vol. 58 N° 3 (Fevrier 2010) . - pp. 963-966 Mots-clés : Mechanical milling X-ray diffraction Nanocrystalline materials Iron alloy Grain growth Index. décimale : 669 Métallurgie Résumé : The thermal stability of a nanocrystalline Fe–1.5 wt.% Mo powder milled with nano-SiO2 was investigated in situ by synchrotron radiation X-ray diffraction. Crystallite size is stabilized by the grain-boundary strain, therefore grain growth starts only after a certain amount of this strain has been released. The phenomenon was rationalized by a micromechanics approach, which considers the equilibrium between forces acting on the grain boundary surface. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%235556%23 [...]

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Role of lattice strain on thermal stability of a nanocrystalline FeMo alloy / A. Molinari in Acta materialia, Vol. 58 N° 3 (Fevrier 2010)  

Public ISBD [article]  inActa materialia > Vol. 58 N° 3 (Fevrier 2010) . - pp. 963–966 Titre : Role of lattice strain on thermal stability of a nanocrystalline FeMo alloy Type de document : texte imprimé Auteurs : A. Molinari, Auteur ; S. Libardi, Auteur ; M. Leoni, Auteur Année de publication : 2011 Article en page(s) : pp. 963–966 Note générale : Métallurgie Langues : Anglais (eng) Mots-clés : Mechanical milling X-ray diffraction Nanocrystalline materials Iron alloy Grain growth Résumé : The thermal stability of a nanocrystalline Fe–1.5 wt.% Mo powder milled with nano-SiO2 was investigated in situ by synchrotron radiation X-ray diffraction. Crystallite size is stabilized by the grain-boundary strain, therefore grain growth starts only after a certain amount of this strain has been released. The phenomenon was rationalized by a micromechanics approach, which considers the equilibrium between forces acting on the grain boundary surface. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science/article/pii/S1359645409006910 [article] Role of lattice strain on thermal stability of a nanocrystalline FeMo alloy [texte imprimé] / A. Molinari, Auteur ; S. Libardi, Auteur ; M. Leoni, Auteur . - 2011 . - pp. 963–966. Métallurgie Langues : Anglais (eng) in Acta materialia > Vol. 58 N° 3 (Fevrier 2010) . - pp. 963–966 Mots-clés : Mechanical milling X-ray diffraction Nanocrystalline materials Iron alloy Grain growth Résumé : The thermal stability of a nanocrystalline Fe–1.5 wt.% Mo powder milled with nano-SiO2 was investigated in situ by synchrotron radiation X-ray diffraction. Crystallite size is stabilized by the grain-boundary strain, therefore grain growth starts only after a certain amount of this strain has been released. The phenomenon was rationalized by a micromechanics approach, which considers the equilibrium between forces acting on the grain boundary surface. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science/article/pii/S1359645409006910

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