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Temperature-stable lead zirconate titanate-based high-temperature piezoelectric ceramic and preparation method thereof
The invention discloses a temperature-stable lead zirconate titanate-based high-temperature piezoelectric ceramic and a preparation method thereof, the molecular formula of the lead zirconate titanate-based high-temperature piezoelectric ceramic is (1-x-y) Pb (Yb1/2Nb1/2) O3-yPbZrO3-xPbTiO3, the value range of x is 0.4-0.6, and the value range of y is 0.4-0.6. According to the present invention, the excellent Curie temperature (TC-400 DEG C), the piezoelectric constant (d33-450 pC/N) and the high coercive field (EC-17.5 kV/cm) are achieved, and the excellent temperature stability is achieved in the tetragonal phase sample.
本发明公开了一种温度稳定的锆钛酸铅基高温压电陶瓷及其制备方法，所述锆钛酸铅基高温压电陶瓷的分子式为(1‑x‑y)Pb(Yb1/2Nb1/2)O3‑yPbZrO3‑xPbTiO3，其中，x取值范围为0.4‑0.6,y取值范围为0.4‑0.6。本发明实现了优异居里温度(TC～400℃)、压电常数(d33～450pC/N)和高矫顽场(EC～17.5kV/cm)的兼具，并且在四方相的样品中实现了优异的温度稳定性。
Temperature-stable lead zirconate titanate-based high-temperature piezoelectric ceramic and preparation method thereof
The invention discloses a temperature-stable lead zirconate titanate-based high-temperature piezoelectric ceramic and a preparation method thereof, the molecular formula of the lead zirconate titanate-based high-temperature piezoelectric ceramic is (1-x-y) Pb (Yb1/2Nb1/2) O3-yPbZrO3-xPbTiO3, the value range of x is 0.4-0.6, and the value range of y is 0.4-0.6. According to the present invention, the excellent Curie temperature (TC-400 DEG C), the piezoelectric constant (d33-450 pC/N) and the high coercive field (EC-17.5 kV/cm) are achieved, and the excellent temperature stability is achieved in the tetragonal phase sample.
本发明公开了一种温度稳定的锆钛酸铅基高温压电陶瓷及其制备方法，所述锆钛酸铅基高温压电陶瓷的分子式为(1‑x‑y)Pb(Yb1/2Nb1/2)O3‑yPbZrO3‑xPbTiO3，其中，x取值范围为0.4‑0.6,y取值范围为0.4‑0.6。本发明实现了优异居里温度(TC～400℃)、压电常数(d33～450pC/N)和高矫顽场(EC～17.5kV/cm)的兼具，并且在四方相的样品中实现了优异的温度稳定性。
Temperature-stable lead zirconate titanate-based high-temperature piezoelectric ceramic and preparation method thereof
一种温度稳定的锆钛酸铅基高温压电陶瓷及其制备方法
YAN YONGKE (Autor:in) / LIU XIN (Autor:in) / XU ZHUO (Autor:in) / LUAN PENG (Autor:in) / WANG SANHONG (Autor:in) / ZHENG SHUGUANG (Autor:in) / DU HONGLIANG (Autor:in)
09.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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