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AbstractAbstract
[en] The cation self-diffusion coefficient for the ThO2-5%UO2 by means of the densification model developed by Assmann and Stehle was determined. The experimental data of the fuel densification, used in the calculations, were obtained from thermal resinter tests. Our result is comparable to previously published values for U and Th diffusion in polycrystalline ThO2 and (Th, U)O2. (Author)
[pt]
Determina-se o coeficiente de autodifusao cationica para o ThO2-5% UO2 atraves do modelo de densificacao de Assmann e Stehle. Os dados experimentais da densificacao do combustivel, necessarios para os calculos, foram obtidos atraves de testes de ressinterizacao termica. Nosso resultado e comparavel a valores ja publicados para a difusao do Th e U no ThO2 e (Th, U)O2 policristalinos. (Autor)Original Title
Determinacao do coeficiente de auto-difusao cationica no combustivel nuclear ThO2-5%UO2
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Source
1984; 73 p; Tese (M.Sc.).
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Miscellaneous
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Thesis/Dissertation; Numerical Data
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