Internal oxidation of Fe–3%Si alloys annealed under H2O–H2 atmosphere / S. Yamazaki in Materials and corrosion, Vol. 62 N° 6 (Juin 2011)  

Public ISBD [article]  inMaterials and corrosion > Vol. 62 N° 6 (Juin 2011) . - pp. 476–480 Titre : Internal oxidation of Fe–3%Si alloys annealed under H2O–H2 atmosphere Type de document : texte imprimé Auteurs : S. Yamazaki, Auteur ; F. Takahashi, Auteur ; T. Kubota, Auteur Année de publication : 2011 Article en page(s) : pp. 476–480 Note générale : Génie Mécanique Langues : Anglais (eng) Mots-clés : Internal oxidation Oxygen diffusion Precipitate morphology Silicon steel Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : Internal oxidation phenomena during decarburization annealing are very important in the manufacturing process of grain oriented electrical steel. In the present study, the internal oxidation of nearly pure Fe–3%Si alloy was investigated, as a basic study for decarburization annealing. Annealing was performed at various equation image ratios and at 1123 K for 300 s. The transition of external to internal oxidation took place at equation image around 0.01. The morphologies of oxide in the internal oxidation zone (IOZ) were filamentary or needle-like shapes and different from the reported oxide shapes in industrial electrical steel. These peculiar morphologies affected the kinetic aspects such as the depth and the enrichment of oxide in the IOZ. DEWEY : 620.1 ISSN : 0947-5117 En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005862/abstract [article] Internal oxidation of Fe–3%Si alloys annealed under H2O–H2 atmosphere [texte imprimé] / S. Yamazaki, Auteur ; F. Takahashi, Auteur ; T. Kubota, Auteur . - 2011 . - pp. 476–480. Génie Mécanique Langues : Anglais (eng) in Materials and corrosion > Vol. 62 N° 6 (Juin 2011) . - pp. 476–480 Mots-clés : Internal oxidation Oxygen diffusion Precipitate morphology Silicon steel Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : Internal oxidation phenomena during decarburization annealing are very important in the manufacturing process of grain oriented electrical steel. In the present study, the internal oxidation of nearly pure Fe–3%Si alloy was investigated, as a basic study for decarburization annealing. Annealing was performed at various equation image ratios and at 1123 K for 300 s. The transition of external to internal oxidation took place at equation image around 0.01. The morphologies of oxide in the internal oxidation zone (IOZ) were filamentary or needle-like shapes and different from the reported oxide shapes in industrial electrical steel. These peculiar morphologies affected the kinetic aspects such as the depth and the enrichment of oxide in the IOZ. DEWEY : 620.1 ISSN : 0947-5117 En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005862/abstract

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