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Environment-friendly low-dielectric-loss ceramic dielectric material and preparation method thereof
The invention relates to an environment-friendly low-dielectric-loss ceramic dielectric material and a preparation method thereof. The environment-friendly low-dielectric-loss ceramic dielectric material is composed of a main component and a modified doping agent, the chemical formula of the main component is (1-y)Ba<1-x>MgTiO<3-y>Y<2>Ti<2>O<7>, x=0.005-0.01, and y=0.01-0.05; and the modified doping agent is selected from five or more than five of Bi2SnZrO7, Bi2Ti2O7, CeO2, ZrO2, Al2O3, SiO2, Er2O3, Nb2O5, MnCO3 and CuO. The sintering temperature of the prepared ceramic dielectric materialis 1330-1390 DEG C, the dielectric constant is 3300-3700 and adjustable, the dielectric loss is less than or equal to 0.5%, the dielectric strength is more than or equal to 6 KVAc/mm, the temperaturecharacteristic change rate is less than or equal to +/-5% (-55 to 125 DEG C), and the ceramic dielectric material is suitable for manufacturing environment-friendly ceramic dielectric capacitors withexcellent temperature characteristics.
本发明涉及一种环保低介质损耗的陶瓷介质材料及其制备方法，所述环保低介质损耗的陶瓷介质材料由主成分和改性掺杂剂组成，其中，所述主成分的化学式为(1‑y)Ba1‑xMgxTiO3‑y Y2Ti2O7，化学式中x＝0.005～0.01,y＝0.01～0.05；所述改性掺杂剂选自Bi2SnZrO7、Bi2Ti2O7、CeO2、ZrO2、Al2O3、SiO2、Er2O3、Nb2O5、MnCO3、CuO中的五种或五种以上。所制备的陶瓷介质材料烧成温度1330～1390℃，介电常数3300～3700可调，介质损耗≦0.5％，抗电强度≧6KVAc/mm，温度特性变化率≦±5％(‑55～125℃)，适用于制作环保型温度特性优良的瓷介电容器。
Environment-friendly low-dielectric-loss ceramic dielectric material and preparation method thereof
The invention relates to an environment-friendly low-dielectric-loss ceramic dielectric material and a preparation method thereof. The environment-friendly low-dielectric-loss ceramic dielectric material is composed of a main component and a modified doping agent, the chemical formula of the main component is (1-y)Ba<1-x>MgTiO<3-y>Y<2>Ti<2>O<7>, x=0.005-0.01, and y=0.01-0.05; and the modified doping agent is selected from five or more than five of Bi2SnZrO7, Bi2Ti2O7, CeO2, ZrO2, Al2O3, SiO2, Er2O3, Nb2O5, MnCO3 and CuO. The sintering temperature of the prepared ceramic dielectric materialis 1330-1390 DEG C, the dielectric constant is 3300-3700 and adjustable, the dielectric loss is less than or equal to 0.5%, the dielectric strength is more than or equal to 6 KVAc/mm, the temperaturecharacteristic change rate is less than or equal to +/-5% (-55 to 125 DEG C), and the ceramic dielectric material is suitable for manufacturing environment-friendly ceramic dielectric capacitors withexcellent temperature characteristics.
本发明涉及一种环保低介质损耗的陶瓷介质材料及其制备方法，所述环保低介质损耗的陶瓷介质材料由主成分和改性掺杂剂组成，其中，所述主成分的化学式为(1‑y)Ba1‑xMgxTiO3‑y Y2Ti2O7，化学式中x＝0.005～0.01,y＝0.01～0.05；所述改性掺杂剂选自Bi2SnZrO7、Bi2Ti2O7、CeO2、ZrO2、Al2O3、SiO2、Er2O3、Nb2O5、MnCO3、CuO中的五种或五种以上。所制备的陶瓷介质材料烧成温度1330～1390℃，介电常数3300～3700可调，介质损耗≦0.5％，抗电强度≧6KVAc/mm，温度特性变化率≦±5％(‑55～125℃)，适用于制作环保型温度特性优良的瓷介电容器。
Environment-friendly low-dielectric-loss ceramic dielectric material and preparation method thereof
一种环保低介质损耗的陶瓷介质材料及其制备方法
HUANG JINGLIN (author) / ZHONG YONGQUAN (author)
2021-02-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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