Distribution of Some Active Elements in Primary Graphite Precipitates

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The distributions of cerium and oxygen in the matrix and in graphite precipitates of a pure Fe-C-Ce cast iron sample have been studied using scanning Auger microscopy. It is shown that there is no accumulation of any element at the graphite-matrix interface. Cerium was detected in some cases in sphe...

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Detalles Bibliográficos
Autores principales: Theuwissen, K., Duguet, T., Esvan, J., Lacaze, J.
Formato: Other
Lenguaje:Inglés
Publicado: INTEMA - UNMdP-CONICET 2014
Materias:
Ductile Iron
Graphite Growth
Auger Analysis
Cerium
Oxygen
Acceso en línea:http://rinfi.fi.mdp.edu.ar/handle/123456789/30
Aporte de:
RINFI - Facultad de Ingeniería (UNMdP) de Universidad Nacional de Mar del Plata (UNMdP)
Descripción
Sumario:The distributions of cerium and oxygen in the matrix and in graphite precipitates of a pure Fe-C-Ce cast iron sample have been studied using scanning Auger microscopy. It is shown that there is no accumulation of any element at the graphite-matrix interface. Cerium was detected in some cases in spheroidal graphite precipitates, most often associated with oxygen. Various non-spheroidal graphite precipitates proved to contain cerium and oxygen suggesting a correlation between cerium content and graphite degeneracy.

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