Microwave dielectric ceramic material and preparation method thereof

The invention discloses a microwave dielectric ceramic material. The microwave dielectric ceramic material comprises the following raw materials in percentage by weight: 40%-50% of BaTiO3 powder, 42%-52% of TiO2 powder, 5%-10% of ZnO powder, 0.5%-3% of CuO powder, 0.1%-0.3% of ZrO2 powder and 0.2%-0...

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Hauptverfasser: XIAO LIANPING, CHEN GONGTIAN, WU JUANYING
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CHEN GONGTIAN
WU JUANYING
description The invention discloses a microwave dielectric ceramic material. The microwave dielectric ceramic material comprises the following raw materials in percentage by weight: 40%-50% of BaTiO3 powder, 42%-52% of TiO2 powder, 5%-10% of ZnO powder, 0.5%-3% of CuO powder, 0.1%-0.3% of ZrO2 powder and 0.2%-0.4% of La2O3 powder. The preparation method of the microwave dielectric ceramic material comprises the following steps: step 1, burdening and ball-milling; step 2, drying and granulating; step 3, compression molding; and step 4, sintering. The microwave dielectric ceramic material prepared by the invention is low in dielectric constant, high in quality factor and stable in resonance-frequency temperature characteristics, and can be applied to dielectric resonators, filters, oscillators in L-bandsatellite communication and mobile communication systems and to microwave components of a Beidou global positioning system. 本发明公开了一种微波介质陶瓷材料,按照重量百分比计,所述微波介质陶瓷材料的原料包括如下组分:BaTiO3粉40%~50%,TiO2粉42%~52%,ZnO粉5%~10%,CuO粉0.5%~3%,ZrO
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
title Microwave dielectric ceramic material and preparation method thereof
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