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The slurry, an aqueous fluid which contains particles (Fig.1), is released into the grinding chamber through the pump (Fig.2).The grinding chamber is filled with the beads (filling ratio is about 60~80 vol. %), and the shaft of beads mill is operated at high speed (periphery velocity is about 8~12m/s).The particles are ground and/or dispersed to the nano size by the impact and friction of beads (Fig.3).
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