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材料工程  2005 

PT变化对PMN基陶瓷电致应变及滞后效应的影响

, PP. 14-17

Keywords: Pb(Mg1/3Nb2/3)O3基陶瓷,PbTiO3,介电性能,电致应变,电滞后

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Abstract:

采用熔盐法制备了不同成分的Pb(Mg1/3Nb2/3)O3PbTiO3二元系固溶体陶瓷,并研究了PbTiO3成分变化对该体系的介电性能、电致应变和电滞回线的影响。实验表明,随着PbTiO3含量的增加导致PMN基陶瓷的居里温度Tm逐渐升高,弥散相变度δ逐渐下降,最大介电常数εmax逐渐增大,最大电致应变也逐渐增大,但滞后性却逐渐增强。

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