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High-temperature piezoelectric ceramic material, preparation method and application
The invention discloses a high-temperature piezoelectric ceramic material as well as a preparation method and application thereof, and belongs to the field of high-temperature piezoelectric ceramic materials. The invention provides a high-temperature piezoelectric ceramic material, which is a samarium oxide doped lead ytterbium niobate-lead titanate piezoelectric ceramic material, and by doping Sm2O3 in a lead ytterbium niobate-lead titanate binary system, the prepared material has high Curie temperature and further improved piezoelectric property, and meanwhile, compared with the existing ceramic, the material has the advantages that the Curie temperature is high, and the piezoelectric property is further improved. The piezoelectric property of the ceramic at high temperature is more excellent. According to the preparation method of the high-temperature piezoelectric ceramic material provided by the invention, the occurrence of a second phase in the ceramic can be avoided, stable sintering of a PYN-PT-based material is successfully realized, and the ceramic prepared by the method is uniform in particle size and high in density. The preparation method is simple in process, low in sintering temperature, low in cost and suitable for large-scale industrial production, and has wide application prospects in the fields of high-temperature piezoelectric materials and devices.
本发明公开了一种高温压电陶瓷材料、制备方法及应用，属于高温压电陶瓷材料领域。本发明提供了一种高温压电陶瓷材料，为氧化钐掺杂铌镱酸铅‑钛酸铅压电陶瓷材料，通过在铌镱酸铅‑钛酸铅二元体系中掺杂Sm2O3，制得的材料兼具高居里温度和进一步得到提升的压电性能，同时，相比于现有陶瓷，该陶瓷高温下的压电性能更加优异。本发明提供一种高温压电陶瓷材料的制备方法，可以避免陶瓷出现第二相，成功实现PYN‑PT基材料的稳定烧结，而且通过上述方法制备的陶瓷粒径均一，致密度高。本发明的制备方法工艺简单、烧结温度低、成本低、适宜于大规模的工业化生产，在高温压电材料以及器件领域具有广泛的应用前景。
High-temperature piezoelectric ceramic material, preparation method and application
The invention discloses a high-temperature piezoelectric ceramic material as well as a preparation method and application thereof, and belongs to the field of high-temperature piezoelectric ceramic materials. The invention provides a high-temperature piezoelectric ceramic material, which is a samarium oxide doped lead ytterbium niobate-lead titanate piezoelectric ceramic material, and by doping Sm2O3 in a lead ytterbium niobate-lead titanate binary system, the prepared material has high Curie temperature and further improved piezoelectric property, and meanwhile, compared with the existing ceramic, the material has the advantages that the Curie temperature is high, and the piezoelectric property is further improved. The piezoelectric property of the ceramic at high temperature is more excellent. According to the preparation method of the high-temperature piezoelectric ceramic material provided by the invention, the occurrence of a second phase in the ceramic can be avoided, stable sintering of a PYN-PT-based material is successfully realized, and the ceramic prepared by the method is uniform in particle size and high in density. The preparation method is simple in process, low in sintering temperature, low in cost and suitable for large-scale industrial production, and has wide application prospects in the fields of high-temperature piezoelectric materials and devices.
本发明公开了一种高温压电陶瓷材料、制备方法及应用，属于高温压电陶瓷材料领域。本发明提供了一种高温压电陶瓷材料，为氧化钐掺杂铌镱酸铅‑钛酸铅压电陶瓷材料，通过在铌镱酸铅‑钛酸铅二元体系中掺杂Sm2O3，制得的材料兼具高居里温度和进一步得到提升的压电性能，同时，相比于现有陶瓷，该陶瓷高温下的压电性能更加优异。本发明提供一种高温压电陶瓷材料的制备方法，可以避免陶瓷出现第二相，成功实现PYN‑PT基材料的稳定烧结，而且通过上述方法制备的陶瓷粒径均一，致密度高。本发明的制备方法工艺简单、烧结温度低、成本低、适宜于大规模的工业化生产，在高温压电材料以及器件领域具有广泛的应用前景。
High-temperature piezoelectric ceramic material, preparation method and application
一种高温压电陶瓷材料、制备方法及应用
LIU ZENGHUI (author) / GUO ZHIXUAN (author) / WAN HONGYAN (author) / XU JUN (author) / REN WEI (author) / NIU GANG (author) / ZHANG NAN (author) / YE ZUOGUANG (author)
2023-03-28
Patent
Electronic Resource
Chinese
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