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METALLIC MAGNETIC POWDER AND MANUFACTURE OF MAGNETIC MATERIAL USED THEREFOR
METALLIC MAGNETIC POWDER AND MANUFACTURE OF MAGNETIC MATERIAL USED THEREFOR
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机译:金属磁性粉末及其所用磁性材料的制造
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摘要
PURPOSE:To improve the electric insulation property or the electric insulation property and the rust preventive property of metallic magnetic powder and a magnetic substance which is molded of this. CONSTITUTION:The cover layer of alkaline silicate is provided at the surface of metallic magnetic powder. The said powder provided with a cover layer is molded into a magnetic material. The compacted magnetic substance is soaked in alkaline silicate solution in vacuum, and then it is taken out and dried, whereupon the rust preventive property improves further.
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