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Hard-texture piezoelectric ceramic material with high piezoelectric property and preparation method of hard-texture piezoelectric ceramic material
The invention discloses a hard texture piezoelectric ceramic material with high piezoelectric property and a preparation method thereof. The general formula of the ceramic material is manganese-doped xPb (In1/2Nb1/2) O3-yPb (Mg1/3Nb2/3) O3-(1-x-y) PbTiO3 textured ceramic, x is more than or equal to 0 and less than or equal to 0.5, and y is more than or equal to 0.2 and less than or equal to 0.5; the ceramic material is prepared through the process steps of burdening, pre-sintering, ball milling, tape casting, tabletting, pressureless closed sintering, polishing, silver firing and the like. The hard textured piezoelectric ceramic prepared by two modes of doping modification and texturing has the advantages of simple preparation method, good repeatability and high yield, and the textured ceramic has high texture degree (greater than or equal to 99%); the piezoelectric ceramic has excellent piezoelectric property (d33-800pC/N, d33 *-1100pm/V) and electromechanical coupling coefficient (k33-0.85), and the PZT-4 has relatively low dielectric loss (tan delta-0.5%) and high mechanical quality factor (Qm-500), or provides a new choice for a transducer or a transducer array for high-power emission and high-sensitivity reception.
本发明公开了一种高压电性能的硬性织构压电陶瓷材料及其制备方法。该陶瓷材料的通式为锰掺杂xPb(In1/2Nb1/2)O3‑yPb(Mg1/3Nb2/3)O3‑(1‑x‑y)PbTiO3织构陶瓷，其中，0≤x≤0.5，0.2≤y≤0.5；该陶瓷材料通过配料、预烧、球磨、流延、压片、无压密闭烧结、抛光及烧银等工艺步骤制备而成。本发明通过掺杂改性和织构化工艺两种方式制备的硬性织构压电陶瓷具有制备方法简单、重复性好、成品率高的优势，所述织构陶瓷具有高的织构度(≥99％)；并同时兼具优异的压电性能(d33～800pC/N，d33*～1100pm/V)和机电耦合系数(k33～0.85)，和PZT‑4相当低的介电损耗(tanδ～0.5％)和高机械品质因数(Qm～500)，或为大功率发射和高灵敏度接收两用的换能器或换能器基阵提供一种新选择。
Hard-texture piezoelectric ceramic material with high piezoelectric property and preparation method of hard-texture piezoelectric ceramic material
The invention discloses a hard texture piezoelectric ceramic material with high piezoelectric property and a preparation method thereof. The general formula of the ceramic material is manganese-doped xPb (In1/2Nb1/2) O3-yPb (Mg1/3Nb2/3) O3-(1-x-y) PbTiO3 textured ceramic, x is more than or equal to 0 and less than or equal to 0.5, and y is more than or equal to 0.2 and less than or equal to 0.5; the ceramic material is prepared through the process steps of burdening, pre-sintering, ball milling, tape casting, tabletting, pressureless closed sintering, polishing, silver firing and the like. The hard textured piezoelectric ceramic prepared by two modes of doping modification and texturing has the advantages of simple preparation method, good repeatability and high yield, and the textured ceramic has high texture degree (greater than or equal to 99%); the piezoelectric ceramic has excellent piezoelectric property (d33-800pC/N, d33 *-1100pm/V) and electromechanical coupling coefficient (k33-0.85), and the PZT-4 has relatively low dielectric loss (tan delta-0.5%) and high mechanical quality factor (Qm-500), or provides a new choice for a transducer or a transducer array for high-power emission and high-sensitivity reception.
本发明公开了一种高压电性能的硬性织构压电陶瓷材料及其制备方法。该陶瓷材料的通式为锰掺杂xPb(In1/2Nb1/2)O3‑yPb(Mg1/3Nb2/3)O3‑(1‑x‑y)PbTiO3织构陶瓷，其中，0≤x≤0.5，0.2≤y≤0.5；该陶瓷材料通过配料、预烧、球磨、流延、压片、无压密闭烧结、抛光及烧银等工艺步骤制备而成。本发明通过掺杂改性和织构化工艺两种方式制备的硬性织构压电陶瓷具有制备方法简单、重复性好、成品率高的优势，所述织构陶瓷具有高的织构度(≥99％)；并同时兼具优异的压电性能(d33～800pC/N，d33*～1100pm/V)和机电耦合系数(k33～0.85)，和PZT‑4相当低的介电损耗(tanδ～0.5％)和高机械品质因数(Qm～500)，或为大功率发射和高灵敏度接收两用的换能器或换能器基阵提供一种新选择。
Hard-texture piezoelectric ceramic material with high piezoelectric property and preparation method of hard-texture piezoelectric ceramic material
一种高压电性能的硬性织构压电陶瓷材料及其制备方法
YAN YONGKE (Autor:in) / LIU XIN (Autor:in) / REN XIAODAN (Autor:in) / WANG YIKE (Autor:in) / TANG MINGYANG (Autor:in) / XU ZHUO (Autor:in)
06.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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