Abstract
The effect of synthetic condition on the colour and magnetization of MG-Zn ferrite powders has been investigated.The colour of the ferrite (S-1), which was prepared by heating for 3 hrs at 1200°C in air, cooling slowly to room temperature and re-heating for 6 hrs at 800°C, shows reddish, while the colour of the ferrite (S-2), which was prepared by quenching from 1200°C after firing, is dark brown.The value of maganetization for S-2 was larger than that for the other heat treatment. It has been also confirmed that the quantity of Fe2+ ion is closely correlated to the colour and magnetization of the Mg-Zn ferrite.
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Schedule a callMore From: Journal of the Japan Society of Powder and Powder Metallurgy
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