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Preparation method of relaxor ferroelectric ceramic with high piezoelectric property and high dielectric property
The invention discloses a preparation method of relaxor ferroelectric ceramic with high piezoelectric property and high dielectric property, belongs to the technical field of piezoelectric ceramics, and overcomes the defects of large workload and low efficiency of a method for improving the dielectric property and piezoelectric property of the piezoelectric ceramics in the prior art. The preparation method of the relaxor ferroelectric ceramic with high piezoelectric property and high dielectric property comprises the following steps: step 1, preparing ceramic samples with different components; 2, measuring the change relation of the dielectric constant of each ceramic sample along with the temperature through a dielectric temperature spectrum test system; adopting an X-ray diffractometer to characterize the crystal structures of the ceramic samples at different temperatures; 3, drawing a temperature-component phase diagram of the ceramic system according to the data obtained in the step 2; and step 4, obtaining the piezoelectric ceramic according to the components corresponding to the room temperature and the phase boundary intersection point. The optimal component formula of the piezoelectric ceramic system at the room temperature can be quickly locked, and the piezoelectric property and the dielectric property of the piezoelectric ceramic are improved by adopting the optimal component formula.
一种高压电性能和高介电性能弛豫铁电陶瓷的制备方法，属于压电陶瓷技术领域，克服现有技术中提升压电陶瓷介电性能和压电性能的方法工作量大、效率低的缺陷。本发明高压电性能和高介电性能弛豫铁电陶瓷的制备方法包括以下步骤：步骤1、配制不同组分的陶瓷样品；步骤2、通过介电温谱测试系统测得各陶瓷样品介电常数随温度的变化关系；采用X射线衍射仪对各陶瓷样品不同温度下的晶体结构进行表征；步骤3、根据步骤2获得的数据绘制陶瓷体系的温度‑组分相图；步骤4、根据室温与相界交点对应的组分获得压电陶瓷。本发明能够快速锁定室温下压电陶瓷体系最优的成分配方，通过采用最优成分配提高压电陶瓷的压电性能和介电性能。
Preparation method of relaxor ferroelectric ceramic with high piezoelectric property and high dielectric property
The invention discloses a preparation method of relaxor ferroelectric ceramic with high piezoelectric property and high dielectric property, belongs to the technical field of piezoelectric ceramics, and overcomes the defects of large workload and low efficiency of a method for improving the dielectric property and piezoelectric property of the piezoelectric ceramics in the prior art. The preparation method of the relaxor ferroelectric ceramic with high piezoelectric property and high dielectric property comprises the following steps: step 1, preparing ceramic samples with different components; 2, measuring the change relation of the dielectric constant of each ceramic sample along with the temperature through a dielectric temperature spectrum test system; adopting an X-ray diffractometer to characterize the crystal structures of the ceramic samples at different temperatures; 3, drawing a temperature-component phase diagram of the ceramic system according to the data obtained in the step 2; and step 4, obtaining the piezoelectric ceramic according to the components corresponding to the room temperature and the phase boundary intersection point. The optimal component formula of the piezoelectric ceramic system at the room temperature can be quickly locked, and the piezoelectric property and the dielectric property of the piezoelectric ceramic are improved by adopting the optimal component formula.
一种高压电性能和高介电性能弛豫铁电陶瓷的制备方法，属于压电陶瓷技术领域，克服现有技术中提升压电陶瓷介电性能和压电性能的方法工作量大、效率低的缺陷。本发明高压电性能和高介电性能弛豫铁电陶瓷的制备方法包括以下步骤：步骤1、配制不同组分的陶瓷样品；步骤2、通过介电温谱测试系统测得各陶瓷样品介电常数随温度的变化关系；采用X射线衍射仪对各陶瓷样品不同温度下的晶体结构进行表征；步骤3、根据步骤2获得的数据绘制陶瓷体系的温度‑组分相图；步骤4、根据室温与相界交点对应的组分获得压电陶瓷。本发明能够快速锁定室温下压电陶瓷体系最优的成分配方，通过采用最优成分配提高压电陶瓷的压电性能和介电性能。
Preparation method of relaxor ferroelectric ceramic with high piezoelectric property and high dielectric property
一种高压电性能和高介电性能弛豫铁电陶瓷的制备方法
WANG YAN (author) / QIAN SEN (author) / CHEN CHUAN (author) / LI NAN (author) / JIN CUICUI (author) / LIU DONG (author)
2023-07-18
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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