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首页> 外文期刊>Journal of the European Ceramic Society >High-power properties of piezoelectric hard materials sintered at low temperature for multilayer ceramic actuators
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High-power properties of piezoelectric hard materials sintered at low temperature for multilayer ceramic actuators

机译：多层陶瓷执行器的低温烧结压电硬质材料的高功率性能

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0.05Pb(Mn_(1/3)Sb_)2/3))O_3-0.05Pb(Al_(1/2)Nb_(1/2))O_3-0.9Pb(Zr_(o.48)Ti_(o.52))O_3 (PMS-PAN-PZT) high power piezoelectric system with both La_2O_3 as a hardliner and CuO as a low sintering agent had been synthesized at 900 °C for 2 h. When La_2O_3 doping of the main composition went over 0.5 wt%, the mixed tetragonal and rhombohedral perovskite structure changed to pure rhombohedral perovskite structure. In case of the CuO, 1.0 and 1.5 wt% CuO content significantly improved the sinterability of the PMS-PAN-PZT system processed at 900 °C for 2 h. When La_2O_3 and CuO co-doped in PMS-PAN-PZT ceramics, piezoelectric constants (d_(33)), quality factor (Q_m), electromechanical coupling factor (k_p) and dielectric constant (ε~T_3/ε_0) of the piezoelectric ceramics sintered at 900 °C for 2 h were optimized, such as 336 pC/N, 841, 60%, and 1358, respectively. New developed piezoelectric materials are promising for high power multilayer ceramic actuators.
机译：0.05Pb（Mn_（1/3）Sb_）2/3））O_3-0.05Pb（Al_（1/2）Nb_（1/2））O_3-0.9Pb（Zr_（o.48）Ti_（o.52 ））在900°C下合成了2小时的O_3（PMS-PAN-PZT）高功率压电系统，该系统同时使用La_2O_3作为强硬剂和CuO作为低烧结剂。当主要成分的La_2O_3掺杂超过0.5wt％时，混合的四方和菱形六面体钙钛矿结构变为纯菱形六面体钙钛矿结构。对于CuO，1.0和1.5 wt％的CuO含量可显着提高在900°C下处理2小时的PMS-PAN-PZT系统的烧结性。当La_2O_3和CuO共掺杂在PMS-PAN-PZT陶瓷中时，压电陶瓷的压电常数（d_（33）），品质因数（Q_m），机电耦合系数（k_p）和介电常数（ε〜T_3 /ε_0）优化了在900°C下烧结2 h的温度，例如分别为336 pC / N，841、60％和1358。新开发的压电材料有望用于大功率多层陶瓷执行器。

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