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. Sable, vibrations verticales, mouvements granulaires, transfert d'énergie, tomographie X, compacité , contacts, voûtes, RESUME

L. Fusibles-de-la-société and F. Erraz, Shawmut contiennent du sable facilitant l'extinction de l'arc électrique créé par la surintensité. L'optimisation de l'arrangement des grains de sable grâce à une vibration permet d'améliorer les propriétés des fusibles. Des éprouvettes de sable, préparées par pluiviation, sont vibrées à différentes fréquences et accélérations