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Voltage-sensitive resistor edge coating slurry material and preparation method thereof
The invention discloses a voltage-sensitive resistor edge coating slurry material and a preparation method thereof. The slurry material mainly comprises the following components in percentage by mass: 55%-65% of composite powder, 10%-20% of glass powder and 23%-28% of an organic carrier, wherein the composite powder is ultrafine composite powder prepared by fully and uniformly mixing the following raw materials in percentage by mass: 3%-10% of ZnO, 25%-35% of Sb2O3, 32%-43% of Y2O3, 20%-34% of Bi2O3 and 0.1%-0.5% of H3BO3, pre-sintering at 850 DEG C-1000 DEG C, fully crushing and sieving; and the glass powder comprises the following raw materials in percentage by mass: 15%-25% of ZnO, 50%-70% of Bi2O3, 2%-5% of B2O3, 5%-10% of SiO2, 0.5%-2% of K2CO3 and 5%-10% of ZrO2. The edge and circumferential circular wall of a green body of disintegrated voltage-sensitive resistor ceramic are mainly coated with slurry and the phenomenon that the lower edge is broken down due to power frequency over-voltage can be effectively solved.
Voltage-sensitive resistor edge coating slurry material and preparation method thereof
The invention discloses a voltage-sensitive resistor edge coating slurry material and a preparation method thereof. The slurry material mainly comprises the following components in percentage by mass: 55%-65% of composite powder, 10%-20% of glass powder and 23%-28% of an organic carrier, wherein the composite powder is ultrafine composite powder prepared by fully and uniformly mixing the following raw materials in percentage by mass: 3%-10% of ZnO, 25%-35% of Sb2O3, 32%-43% of Y2O3, 20%-34% of Bi2O3 and 0.1%-0.5% of H3BO3, pre-sintering at 850 DEG C-1000 DEG C, fully crushing and sieving; and the glass powder comprises the following raw materials in percentage by mass: 15%-25% of ZnO, 50%-70% of Bi2O3, 2%-5% of B2O3, 5%-10% of SiO2, 0.5%-2% of K2CO3 and 5%-10% of ZrO2. The edge and circumferential circular wall of a green body of disintegrated voltage-sensitive resistor ceramic are mainly coated with slurry and the phenomenon that the lower edge is broken down due to power frequency over-voltage can be effectively solved.
Voltage-sensitive resistor edge coating slurry material and preparation method thereof
LIU DAN (author) / LIAO WENHUA (author) / LI BINGXIAN (author) / MO JIHAI (author) / CHU DONGJIN (author) / ZHONG XUAN (author)
2015-05-06
Patent
Electronic Resource
English
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