The high burn-up structure in nuclear fuel / Vincenzo V. Rondinella in Materials today, Vol. 13 N° 12 (Décembre 2010)  

Public ISBD [article]  inMaterials today > Vol. 13 N° 12 (Décembre 2010) . - pp. 24-32 Titre : The high burn-up structure in nuclear fuel Type de document : texte imprimé Auteurs : Vincenzo V. Rondinella, Auteur ; Thierry Wiss, Auteur Année de publication : 2011 Article en page(s) : pp. 24-32 Note générale : Ingénierie Langues : Anglais (eng) Mots-clés : Nuclear fuel reactor Microstructural mechanisms Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : During its operating life in the core of a nuclear reactor nuclear fuel is subjected to significant restructuring processes determined by neutron irradiation directly through nuclear reactions and indirectly through the thermo-mechanical conditions established as a consequence of such reactions. In today's light water reactors, starting after ∼4 years of operation the cylindrical UO2 fuel pellet undergoes a transformation that affects its outermost radial region. The discovery of a newly forming structure necessitated the answering of important questions concerning the safety of extended fuel operation and still today poses the fascinating scientific challenge of fully understanding the microstructural mechanisms responsible for its formation. DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110702212 [article] The high burn-up structure in nuclear fuel [texte imprimé] / Vincenzo V. Rondinella, Auteur ; Thierry Wiss, Auteur . - 2011 . - pp. 24-32. Ingénierie Langues : Anglais (eng) in Materials today > Vol. 13 N° 12 (Décembre 2010) . - pp. 24-32 Mots-clés : Nuclear fuel reactor Microstructural mechanisms Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : During its operating life in the core of a nuclear reactor nuclear fuel is subjected to significant restructuring processes determined by neutron irradiation directly through nuclear reactions and indirectly through the thermo-mechanical conditions established as a consequence of such reactions. In today's light water reactors, starting after ∼4 years of operation the cylindrical UO2 fuel pellet undergoes a transformation that affects its outermost radial region. The discovery of a newly forming structure necessitated the answering of important questions concerning the safety of extended fuel operation and still today poses the fascinating scientific challenge of fully understanding the microstructural mechanisms responsible for its formation. DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110702212

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