Method and device for characterizing granule strength

Details Method and device for characterizing granule strength Method and device for characterizing granule strength

G - Physics

01

N

G01N 3/40 (2006.01) G01M 7/04 (2006.01) G01N 3/32 (2006.01) G01N 3/56 (2006.01) G01N 15/02 (2006.01)

Patent

CA 2261670

The present invention provides a method and device for measuring granule impact strength by vibrating a small container of granules at a well- controlled amplitude in order to inflict reproducible damage to the granules. Damage to the granules is measured as a function of time and amplitude. The measurements obtained yield a highly reproducible means for characterizing granule attrition and fragmentation.

La présente invention concerne un procédé et un dispositif servant à mesurer la résistance aux chocs de granules, ce procédé consistant à faire vibrer un petit récipient de granules à une amplitude bien régulée, afin d'infliger des dommages reproductibles aux granules, puis à mesurer ces dommages en fonction de la durée et de l'amplitude des vibrations. Les mesures obtenues constituent des moyens très reproductibles de caractérisation de l'attrition et de la fragmentation.

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