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Potassium-sodium niobate-based leadless piezoelectric ceramic with high piezoelectric constant and preparation method of potassium-sodium niobate-based leadless piezoelectric ceramic
The invention discloses potassium-sodium niobate-based leadless piezoelectric ceramic with a high piezoelectric constant. The chemical composition of the potassium-sodium niobate-based leadless piezoelectric ceramic with the high piezoelectric constant is (1-x)(K<0.5>Na<0.5>)Nb<1-y>SbO<3>+xCuZr<0.5>Ti<0.5>O<3>, x and y are mole percentages, 0<=x<=0.4, and 0.01<=y<=0.2. According to the potassium-sodium niobate-based leadless piezoelectric ceramic with the high piezoelectric constant and the preparation method thereof, doping modification is carried out by adopting copper, antimony, zirconium and titanium elements, so that charge and vacancy compensation is realized, the piezoelectric constant is improved, and the piezoelectric sensitivity of the leadless piezoelectric ceramic is improved. The potassium-sodium niobate-based leadless piezoelectric ceramic adopted by the invention has a high piezoelectric constant, the application scene of the leadless piezoelectric ceramic is greatlybroadened, and meanwhile, the leadless piezoelectric ceramic is green and environment-friendly, so that the damage to human health and the environment can be effectively reduced.
本发明公开了一种高压电常数的铌酸钾钠基无铅压电陶瓷，所述高压电常数的铌酸钾钠基无铅压电陶瓷的化学组成为：(1‑x)(K0.5Na0.5)Nb1‑ySbyO3+xCuZr0.5Ti0.5O3，其中，x，y为摩尔百分比，0≤x≤0.4，0.01≤y≤0.2。本发明的高压电常数的铌酸钾钠基无铅压电陶瓷及其制备方法，采用铜、锑、锆和钛元素进行掺杂改性，实现电荷和空位补偿，提高其压电常数，增加无铅压电陶瓷压电敏感性。本发明采用铌酸钾钠基无铅压电陶瓷具有高压电常数，大大拓宽了无铅压电陶瓷应用场景，同时无铅压电陶瓷绿色环保，可有效减少对人类健康和环境的损害。
Potassium-sodium niobate-based leadless piezoelectric ceramic with high piezoelectric constant and preparation method of potassium-sodium niobate-based leadless piezoelectric ceramic
The invention discloses potassium-sodium niobate-based leadless piezoelectric ceramic with a high piezoelectric constant. The chemical composition of the potassium-sodium niobate-based leadless piezoelectric ceramic with the high piezoelectric constant is (1-x)(K<0.5>Na<0.5>)Nb<1-y>SbO<3>+xCuZr<0.5>Ti<0.5>O<3>, x and y are mole percentages, 0<=x<=0.4, and 0.01<=y<=0.2. According to the potassium-sodium niobate-based leadless piezoelectric ceramic with the high piezoelectric constant and the preparation method thereof, doping modification is carried out by adopting copper, antimony, zirconium and titanium elements, so that charge and vacancy compensation is realized, the piezoelectric constant is improved, and the piezoelectric sensitivity of the leadless piezoelectric ceramic is improved. The potassium-sodium niobate-based leadless piezoelectric ceramic adopted by the invention has a high piezoelectric constant, the application scene of the leadless piezoelectric ceramic is greatlybroadened, and meanwhile, the leadless piezoelectric ceramic is green and environment-friendly, so that the damage to human health and the environment can be effectively reduced.
本发明公开了一种高压电常数的铌酸钾钠基无铅压电陶瓷，所述高压电常数的铌酸钾钠基无铅压电陶瓷的化学组成为：(1‑x)(K0.5Na0.5)Nb1‑ySbyO3+xCuZr0.5Ti0.5O3，其中，x，y为摩尔百分比，0≤x≤0.4，0.01≤y≤0.2。本发明的高压电常数的铌酸钾钠基无铅压电陶瓷及其制备方法，采用铜、锑、锆和钛元素进行掺杂改性，实现电荷和空位补偿，提高其压电常数，增加无铅压电陶瓷压电敏感性。本发明采用铌酸钾钠基无铅压电陶瓷具有高压电常数，大大拓宽了无铅压电陶瓷应用场景，同时无铅压电陶瓷绿色环保，可有效减少对人类健康和环境的损害。
Potassium-sodium niobate-based leadless piezoelectric ceramic with high piezoelectric constant and preparation method of potassium-sodium niobate-based leadless piezoelectric ceramic
一种高压电常数的铌酸钾钠基无铅压电陶瓷及其制备方法
GONG WEN (Autor:in) / WU CHAOFENG (Autor:in) / YU SHENGPING (Autor:in) / GAO HONGWEI (Autor:in)
12.01.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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