研究了软性Nb2O5掺杂对PMS-PZ-PT三元系压电陶瓷温度稳定性能的影响.实验结果表明,适量的掺杂不仅能优化体系的压电性能,而且改善了体系的温度稳定性.改性后的三元系陶瓷频移小,机电耦合系数K31的温度稳定性较好,同时压电常数d31温度稳定性也得到了改善,能满足超声马达等器件对压电陶瓷材料性能的要求.
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