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synthesis and chariton of mn zn ferrites using ball mill

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synthesis and chariton of mn zn ferrites using ball mill

Jul 01, 2020· The mixture powder wasmilled usinga planetaryball millfor 24 h and the ball-to-powder mass ratio was 20:1withthe rotation speed 300 rpm. Mechanical milling was carried outusingalumina jar and a hardened steelball witha diameter of 5 mm. Next, themilledpowder was calcined at 800, 900, and 1000 °C for 2 h in air atmosphere.

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