Powdery quartz with average particle size of 10. 4 um which is a natural weathered quartz 'were ground in planetary ball mill. Variations of particle size distribution, specific surface area,crystal structure,faci...Powdery quartz with average particle size of 10. 4 um which is a natural weathered quartz 'were ground in planetary ball mill. Variations of particle size distribution, specific surface area,crystal structure,facial amorphous and thermal character in dry grinding and wet grindding -were examined against grinding time. The results displayed that the fine grinding causes the structural disorder, facial amor-phism and the facial activity enhancing accompained by par-ticle size reduction as grinding proceeds > and the wet grind-ing lowered notably 'Grinding Limit'of the powdery quartz with this planetary ball mill.展开更多
文摘Powdery quartz with average particle size of 10. 4 um which is a natural weathered quartz 'were ground in planetary ball mill. Variations of particle size distribution, specific surface area,crystal structure,facial amorphous and thermal character in dry grinding and wet grindding -were examined against grinding time. The results displayed that the fine grinding causes the structural disorder, facial amor-phism and the facial activity enhancing accompained by par-ticle size reduction as grinding proceeds > and the wet grind-ing lowered notably 'Grinding Limit'of the powdery quartz with this planetary ball mill.