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Wide-temperature-range sodium bismuth titanate-based leadless piezoelectric ceramic and preparation method thereof
The invention provides a wide-temperature-range sodium bismuth titanate-based leadless piezoelectric ceramic and a preparation method thereof, and belongs to the technical field of piezoelectric material preparation, and the preparation process is as follows: weighing raw materials according to the stoichiometric ratio of each element in a chemical composition expression of (1-x-y-z) (Bi0. 5Na0. 5) TiO3-x (Bi0. 5K0. 5) TiO3-y (Bi0. 5Li0. 5) TiO3-zM, grinding, drying and sintering for the first time, and grinding, drying and sintering for the second time to obtain the wide-temperature-range sodium bismuth titanate-based leadless piezoelectric ceramic. A powder material of the piezoelectric ceramic is prepared, the lead-free piezoelectric ceramic material serving as a chemical component is obtained through the steps of granulation, tabletting, glue discharging and high-temperature sintering, the piezoelectric ceramic has the high mechanical quality factor and good temperature stability, and the high-power application temperature range of the lead-free piezoelectric ceramic is effectively expanded.
本发明提供了一种宽温域钛酸铋钠基无铅压电陶瓷及其制备方法，属于压电材料制备技术领域，制备过程如下：根据化学组成表达式中(1‑x‑y‑z)(Bi0.5Na0.5)TiO3‑x(Bi0.5K0.5)TiO3‑y(Bi0.5Li0.5)TiO3‑zM各元素的化学计量比称取原料，经过研磨、烘干、一次烧结，再次经过研磨、烘干、二次烧结，制备得到所述压电陶瓷的粉体材料，经过造粒、压片、排胶、高温烧结步骤，得到化学组分为该无铅压电陶瓷材料，所述压电陶瓷具备较高的机械品质因数和良好的温度稳定性，有效扩展了无铅压电陶瓷的大功率应用温度范围。
Wide-temperature-range sodium bismuth titanate-based leadless piezoelectric ceramic and preparation method thereof
The invention provides a wide-temperature-range sodium bismuth titanate-based leadless piezoelectric ceramic and a preparation method thereof, and belongs to the technical field of piezoelectric material preparation, and the preparation process is as follows: weighing raw materials according to the stoichiometric ratio of each element in a chemical composition expression of (1-x-y-z) (Bi0. 5Na0. 5) TiO3-x (Bi0. 5K0. 5) TiO3-y (Bi0. 5Li0. 5) TiO3-zM, grinding, drying and sintering for the first time, and grinding, drying and sintering for the second time to obtain the wide-temperature-range sodium bismuth titanate-based leadless piezoelectric ceramic. A powder material of the piezoelectric ceramic is prepared, the lead-free piezoelectric ceramic material serving as a chemical component is obtained through the steps of granulation, tabletting, glue discharging and high-temperature sintering, the piezoelectric ceramic has the high mechanical quality factor and good temperature stability, and the high-power application temperature range of the lead-free piezoelectric ceramic is effectively expanded.
本发明提供了一种宽温域钛酸铋钠基无铅压电陶瓷及其制备方法，属于压电材料制备技术领域，制备过程如下：根据化学组成表达式中(1‑x‑y‑z)(Bi0.5Na0.5)TiO3‑x(Bi0.5K0.5)TiO3‑y(Bi0.5Li0.5)TiO3‑zM各元素的化学计量比称取原料，经过研磨、烘干、一次烧结，再次经过研磨、烘干、二次烧结，制备得到所述压电陶瓷的粉体材料，经过造粒、压片、排胶、高温烧结步骤，得到化学组分为该无铅压电陶瓷材料，所述压电陶瓷具备较高的机械品质因数和良好的温度稳定性，有效扩展了无铅压电陶瓷的大功率应用温度范围。
Wide-temperature-range sodium bismuth titanate-based leadless piezoelectric ceramic and preparation method thereof
一种宽温域钛酸铋钠基无铅压电陶瓷及其制备方法
LI ZHITAO (author) / ZUO XIAOYAN (author) / HOU LI (author) / ZHU ZUNWEI (author) / LIU ZHICHENG (author)
2024-04-16
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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