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Bismuth layered structure calcium bismuth titanate high-temperature piezoelectric ceramic material and preparation method thereof
The invention discloses a bismuth layered structure calcium bismuth titanate high-temperature piezoelectric ceramic material and a preparation method thereof. A CaBi4Ti4O15 system piezoelectric material is used as a basis, Mn and Sb are doped into a Ti site according to a certain molar ratio, a solid-phase synthesis method is adopted to prepare the novel bismuth layered structure piezoelectric ceramic material, and the general formula of the piezoelectric ceramic material is CaBi4Ti4-x(Mn1/3Sb2/3) xO15, wherein x is greater than 0 and less than or equal to 0.1. Compared with like materials inthe prior art, the piezoelectric ceramic material obtained in the invention has the main performance parameters of d33 = 25pC/N and TC = 792 DEG C, and rho = 1.35 * 10<8> ohm.cm at 400 DEG C. In addition, the preparation process is stable and reliable, the production cost is low, industrial production is easy to realize, and the piezoelectric ceramic material has a good application prospect in thefield of high temperature. Ceramic elements prepared from the material can be assembled into various piezoelectric sensors applied to special high-temperature environments such as aerospace and petrochemical engineering.
本发明公开了一种铋层状结构钛酸铋钙高温压电陶瓷材料及其制备方法，采用CaBiTiO体系压电材料为基础，在Ti位按照一定的摩尔比掺入Mn、Sb，采用固相合成方法，制备得到此类新型铋层状结构压电陶瓷材料，该压电陶瓷材料的通式为CaBiTi(MnSb)O，其中0
Bismuth layered structure calcium bismuth titanate high-temperature piezoelectric ceramic material and preparation method thereof
The invention discloses a bismuth layered structure calcium bismuth titanate high-temperature piezoelectric ceramic material and a preparation method thereof. A CaBi4Ti4O15 system piezoelectric material is used as a basis, Mn and Sb are doped into a Ti site according to a certain molar ratio, a solid-phase synthesis method is adopted to prepare the novel bismuth layered structure piezoelectric ceramic material, and the general formula of the piezoelectric ceramic material is CaBi4Ti4-x(Mn1/3Sb2/3) xO15, wherein x is greater than 0 and less than or equal to 0.1. Compared with like materials inthe prior art, the piezoelectric ceramic material obtained in the invention has the main performance parameters of d33 = 25pC/N and TC = 792 DEG C, and rho = 1.35 * 10<8> ohm.cm at 400 DEG C. In addition, the preparation process is stable and reliable, the production cost is low, industrial production is easy to realize, and the piezoelectric ceramic material has a good application prospect in thefield of high temperature. Ceramic elements prepared from the material can be assembled into various piezoelectric sensors applied to special high-temperature environments such as aerospace and petrochemical engineering.
本发明公开了一种铋层状结构钛酸铋钙高温压电陶瓷材料及其制备方法，采用CaBiTiO体系压电材料为基础，在Ti位按照一定的摩尔比掺入Mn、Sb，采用固相合成方法，制备得到此类新型铋层状结构压电陶瓷材料，该压电陶瓷材料的通式为CaBiTi(MnSb)O，其中0
Bismuth layered structure calcium bismuth titanate high-temperature piezoelectric ceramic material and preparation method thereof
铋层状结构钛酸铋钙高温压电陶瓷材料及其制备方法
ZHENG PENG (Autor:in) / LIU YANG (Autor:in) / BAI WANGFENG (Autor:in) / ZHENG LIANG (Autor:in) / ZHANG YANG (Autor:in)
03.07.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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