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Distribution of some active elements in primary graphite precipitates

Abstract : 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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Koenraad Theuwissen, Thomas Duguet, Jérôme Esvan, Jacques Lacaze. Distribution of some active elements in primary graphite precipitates. International Journal of Cast Metals Research, The, Maney Publishing, 2016, vol. 29 (n° 1-2), pp. 92-97. ⟨10.1080/13640461.2016.1142239⟩. ⟨hal-01477141⟩



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