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AbstractAbstract
[en] Two powders from different sources and with widely differing characteristics were selected for the test blocks. The characteristics of the powders and conditions of pressing were taken as parameters for comparison. The main variables affecting the kinetics of the process were then studied by dilatometry. Factors such as rate of heating, maximum temperature attained and is othermal shrimkage were studied. Examination of the structure of the sintered blocks by optical microscopy was used as an auxiliary technique. The results obtained are discussed and the conclusions drawn from them are given
[pt]
Uma serie de experiencias efetuadas com U3O8, compactado em pequenos corpos de prova, com o objetivo de estudar a influencia de algumas variaveis sobre a sinterabilidade desse material. Foram selecionados dois pos de origens diferentes e propriedades caracteristicas bem distintas para a confeccao dos corpos. Sao definidos como parametros de comparacao as caracteristicas dos pos e as condicoes de compactacao. O estudo das principais variaveis influentes na cinetica do processo e feito atraves da tecnica de dilatometria. Foram considerados os fatores: velocidade de aquecimento, temperatura maxima atingida e retracao isotermica. Como tecnica auxiliar empregou-se o exame otico da microestrutura dos corpos-de-prova sinterizados. E feita uma analise dos resultados obtidos e apresentadas as conclusoes a respeito dos mesmosOriginal Title
Estudo da sinterabilidade de U3O8 por dilatametria
Primary Subject
Source
30. Annual Congress of Brazilian Association of Metals; Rio de Janeiro, Brazil; Jun 1975
Record Type
Journal Article
Literature Type
Conference
Journal
Metalurgia ABM; ISSN 0026-0983;
; v. 32(218); p. 35-40

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