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Potassium-sodium niobate-based ferroelectric ceramic with high strain performance and preparation method of potassium-sodium niobate-based ferroelectric ceramic
The invention discloses a potassium-sodium niobate based ferroelectric ceramic with high strain performance and a preparation method thereof, and relates to the technical field of ferroelectric ceramics, the chemical formula of the potassium-sodium niobate based ferroelectric ceramic is 0.90 (K < 0.48 > Na < 0.52 >) NbO < 3 >-0.10 SrTiO3, the preparation method comprises the following steps: mixing the raw materials, drying, sieving, calcining, ball-milling, drying, granulating, carrying out compression molding, discharging glue, sintering and carrying out silver firing treatment. The potassium-sodium niobate-based ferroelectric ceramic has good ferroelectric performance, almost hysteresis-free strain of 0.10% can be achieved under the action of an electric field, the Curie temperature is 135 DEG C, and the potassium-sodium niobate-based ferroelectric ceramic is simple to prepare and low in cost.
本发明公开了一种高应变性能的铌酸钾钠基铁电陶瓷及其制备方法,涉及铁电陶瓷技术领域,所述铌酸钾钠基铁电陶瓷的化学式为:0.90(K0.48Na0.52)NbO3‑0.10SrTiO3;其制备是将各原料混合、烘干、过筛后,经煅烧、球磨、烘干、造粒、压制成型、排胶、烧结和烧银处理后,即得。本发明的铌酸钾钠基铁电陶瓷具有良好的铁电性能,在电场的作用下达到几乎无迟滞的应变0.10%,居里温度为135℃,制备简单,成本低廉。
Potassium-sodium niobate-based ferroelectric ceramic with high strain performance and preparation method of potassium-sodium niobate-based ferroelectric ceramic
The invention discloses a potassium-sodium niobate based ferroelectric ceramic with high strain performance and a preparation method thereof, and relates to the technical field of ferroelectric ceramics, the chemical formula of the potassium-sodium niobate based ferroelectric ceramic is 0.90 (K < 0.48 > Na < 0.52 >) NbO < 3 >-0.10 SrTiO3, the preparation method comprises the following steps: mixing the raw materials, drying, sieving, calcining, ball-milling, drying, granulating, carrying out compression molding, discharging glue, sintering and carrying out silver firing treatment. The potassium-sodium niobate-based ferroelectric ceramic has good ferroelectric performance, almost hysteresis-free strain of 0.10% can be achieved under the action of an electric field, the Curie temperature is 135 DEG C, and the potassium-sodium niobate-based ferroelectric ceramic is simple to prepare and low in cost.
本发明公开了一种高应变性能的铌酸钾钠基铁电陶瓷及其制备方法,涉及铁电陶瓷技术领域,所述铌酸钾钠基铁电陶瓷的化学式为:0.90(K0.48Na0.52)NbO3‑0.10SrTiO3;其制备是将各原料混合、烘干、过筛后,经煅烧、球磨、烘干、造粒、压制成型、排胶、烧结和烧银处理后,即得。本发明的铌酸钾钠基铁电陶瓷具有良好的铁电性能,在电场的作用下达到几乎无迟滞的应变0.10%,居里温度为135℃,制备简单,成本低廉。
Potassium-sodium niobate-based ferroelectric ceramic with high strain performance and preparation method of potassium-sodium niobate-based ferroelectric ceramic
一种高应变性能的铌酸钾钠基铁电陶瓷及其制备方法
LI MIN (Autor:in) / GUO JIAHAO (Autor:in) / WU BEI (Autor:in) / YIN JIYING (Autor:in) / PENG WENLUO (Autor:in) / CHEN JIANBING (Autor:in)
28.04.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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