Cold and hot shock resistant low-loss manganese-zinc power ferrite magnetic core and preparation method thereof

The invention discloses a low-loss manganese-zinc power ferrite magnetic core resistant to hot and cold impact, which is prepared by the following steps: 1) preparing a completely spinel pre-sintered material through burdening, mixing, pre-sintering and pre-sintered material quenching treatment; (2)...

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Hauptverfasser:	XING BINGBING, WANG HONGJIAN, HUANG YANFENG, LI YUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRICITY INDUCTANCES LIME, MAGNESIA MAGNETS METALLURGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SLAG TRANSFORMERS TREATMENT OF NATURAL STONE
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creator	XING BINGBING WANG HONGJIAN HUANG YANFENG LI YUN
description	The invention discloses a low-loss manganese-zinc power ferrite magnetic core resistant to hot and cold impact, which is prepared by the following steps: 1) preparing a completely spinel pre-sintered material through burdening, mixing, pre-sintering and pre-sintered material quenching treatment; (2) drying the pre-sintered material, carrying out vibration milling, adding an auxiliary additive according to a ratio, and respectively carrying out sanding and liquid medium settling separation to obtain mixed slurry with uniformly distributed granularity; the preparation method comprises the following steps of 1, preparing a mixed slurry, 2, adding a PVA solution into the mixed slurry according to a certain ratio, and carrying out centrifugal spray granulation to obtain finished granules, 4, pressing the finished granules into a magnetic core blank, and 5, sintering the magnetic core into the blank to obtain the low-loss manganese-zinc power ferrite magnetic core resistant to hot and cold impact. 本发明公开了一种抗冷热冲击低损耗锰
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subjects	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRICITY INDUCTANCES LIME, MAGNESIA MAGNETS METALLURGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SLAG TRANSFORMERS TREATMENT OF NATURAL STONE
title	Cold and hot shock resistant low-loss manganese-zinc power ferrite magnetic core and preparation method thereof
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