Manganese-zinc ferrite material of high performance and power, and manufacturing method therefor
A technology of manganese zinc ferrite and its manufacturing method, which is applied in the direction of magnetism of inorganic materials, and achieves the effect of low production cost and good innovation
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[0028] The present invention manufactures a certain specific method of high-performance power manganese-zinc ferrite soft magnetic material and magnetic core, successively through the following process:
[0029] (1) main ingredient ingredients;
[0030] (2) Primary crushing: Put the raw materials prepared according to the composition into the sand mill tank for wet sanding for 30 minutes, let the three raw materials be fully mixed evenly, and add a certain proportion of dispersant before and after sanding;
[0031] (3) Pre-burning: dry the sanded powder and pre-fire, the pre-burning temperature is 800 ° C, keep warm for 2 to 3 hours;
[0032] (4) Adding additives: adding a large amount of Mn 3 o 4 (1 ~ 20wt%, the best addition range is 13 ~ 18wt%) and 0.05 ~ 0.08wt% CaCO 3 , 0.03~0.06wt%V 2 o5 , 0.03~0.07wt% Nb 2 o 5 , 0.05~0.15wt%SnO 2 , the total amount added is between 1.15 and 20.25 wt%.
[0033] (5) Secondary crushing: Put the pre-burned main ingredients and addit...
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