A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Preparation method of sodium bismuth titanate-based high-temperature piezoelectric ceramic
The intention discloses a preparation method of sodium bismuth titanate-based high-temperature piezoelectric ceramic, BiFeO3 is introduced through component design, so that a relaxation phase in the ceramic is converted into a ferroelectric phase, and a high depolarization temperature is obtained. The preparation method of the sodium bismuth titanate-based high-temperature piezoelectric ceramic provides sodium bismuth titanate-based (BNT) ceramic with high piezoelectric constant and low depolarization temperature, the temperature stability of the piezoelectric constant is improved, the dielectric loss is reduced, the method is simple, the cost is low, the repeatability is good, and the obtained sodium bismuth titanate-based high-temperature piezoelectric ceramic is excellent in piezoelectric property.
本发明公开了一种钛酸铋钠基高温压电陶瓷的制备方法，通过成分设计引入BiFeO，使得陶瓷中的弛豫相转变为铁电相，从而获得高的退极化温度。本发明是一种钛酸铋钠基高温压电陶瓷的制备方法，提供一种高压电常数、低退极化温度钛酸铋钠(BNT)陶瓷，提高压电常数的温度稳定性，降低介电损耗，方法简单、成本低、可重复性好，所得钛酸铋钠高温压电陶瓷压电性能优异。
Preparation method of sodium bismuth titanate-based high-temperature piezoelectric ceramic
The intention discloses a preparation method of sodium bismuth titanate-based high-temperature piezoelectric ceramic, BiFeO3 is introduced through component design, so that a relaxation phase in the ceramic is converted into a ferroelectric phase, and a high depolarization temperature is obtained. The preparation method of the sodium bismuth titanate-based high-temperature piezoelectric ceramic provides sodium bismuth titanate-based (BNT) ceramic with high piezoelectric constant and low depolarization temperature, the temperature stability of the piezoelectric constant is improved, the dielectric loss is reduced, the method is simple, the cost is low, the repeatability is good, and the obtained sodium bismuth titanate-based high-temperature piezoelectric ceramic is excellent in piezoelectric property.
本发明公开了一种钛酸铋钠基高温压电陶瓷的制备方法，通过成分设计引入BiFeO，使得陶瓷中的弛豫相转变为铁电相，从而获得高的退极化温度。本发明是一种钛酸铋钠基高温压电陶瓷的制备方法，提供一种高压电常数、低退极化温度钛酸铋钠(BNT)陶瓷，提高压电常数的温度稳定性，降低介电损耗，方法简单、成本低、可重复性好，所得钛酸铋钠高温压电陶瓷压电性能优异。
Preparation method of sodium bismuth titanate-based high-temperature piezoelectric ceramic
一种钛酸铋钠基高温压电陶瓷的制备方法
REN PENGRONG (author) / WANG YIKE (author) / WANG XIN (author)
2020-04-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Preparation method of sodium bismuth titanate high-temperature piezoelectric ceramic
| European Patent Office | 2021
Preparation method of bismuth sodium bismuth titanate layered piezoelectric ceramic
| European Patent Office | 2021
| European Patent Office | 2020
| European Patent Office | 2024
| European Patent Office | 2021