R I~ S U M I~ A B S T R A C TDans cet article est prdsentd un nouvel appareil de simulation de l'op~ration d'extrusion. I1 fait ressortir l'influence de certains param~tres sur l'extrusion, notamment la vitesse d'extrusion, le frottement pfiteparoi et la forme de la fili~re. Udtude a permis de carac-t~riser la nature de l'&oulement des pfites d'argile 5 travers les fili~res des extrudeuses.This paper presents a new simulation device for extrusion operations. It shows the influence on extrusion of certain parameters, in particular the speed of extrusion, the friction between the paste and the extruder walls, and the form of the die. This study allows characterisation of the flow of clay pastes through the dies of the extruder.
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