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Assessing the homogeneity of an alumina/zircon powder mixture at various scales by scanning electron microscopy

Martin Giraud 1, 2 S. Vaudez 1 Cendrine Gatumel 2 G. Bernard-Granger 1 Henri Berthiaux 2
1 CEA-DES (ex-DEN) - CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire)
2 RAPSODEE - Centre de recherche d'Albi en génie des procédés des solides divisés, de l'énergie et de l'environnement
Abstract : Powder mixing is a fundamentally important unit operation in industries handling powders. The purpose of such an operation is to reach a given homogeneity, which has to be defined at a certain scale, the observation scale, in order to be relevant. This scale is defined by the final product’s requirements. Moreover, the homogeneity of a mixture can hardly be known exactly, and its assessment is always a scientific issue due to theoretical and practical limitations.
Keywords : Homogeneity Sampling Image analysis Roller ball Mill Powder mixing
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https://hal-cea.archives-ouvertes.fr/cea-02614141
Contributor : Bibliothèque Cadarache <>
Submitted on : Wednesday, May 20, 2020 - 4:45:04 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:28 PM

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  • HAL Id : cea-02614141, version 1

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CEA | DEN | MINES-ALBI | RAPSODEE | INSTITUT-TELECOM | CNRS

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Martin Giraud, S. Vaudez, Cendrine Gatumel, G. Bernard-Granger, Henri Berthiaux. Assessing the homogeneity of an alumina/zircon powder mixture at various scales by scanning electron microscopy. PACRIM 13 - The 13rd Pacific Rim Conference of Ceramic Societies, Oct 2019, Okinawa, Japan. ⟨cea-02614141⟩

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