Manufacturing ceramic articles

C - Chemistry – Metallurgy – 04 – B

Patent

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Details

C04B 35/64 (2006.01) C04B 35/51 (2006.01) G21C 3/62 (2006.01)

Patent

CA 2206531

A method of manufacturing a ceramic article including the steps of forming a body of particulate material, compressing the body at its ends and sintering the body, the body being formed, prior to compression, of particulate materials layers of different bulk particle density. The ceramic article may comprise a ceramic pellet having a substantially cylindrical shape e.g., a nuclear fuel pellet.

On décrit un procédé de fabrication d'un article en céramique comprenant les étapes consistant à former un corps à l'aide d'un matériau particulaire, à comprimer ce corps au niveau de ses extrémités, puis à fritter celui-ci, le corps étant formé, avant compression, de couches de matériaux particulaires ayant des densités différentes de particules en vrac. Cet article en céramique peut revêtir la forme sensiblement cylindrique d'une pastille, par exemple une pastille de combustible nucléaire.

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