High Performance Grain-oriented 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 Piezoelectric Ceramics
高性能铌镁酸铅-钛酸铅定向压电陶瓷的研究

High performance grain-oriented 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 ceramics were prepared by the directional solidification method, of which the preferential orientation is 112], and the orientation degree is about 35%, the quasistatic d33 is about 1500-1600pC/N, coupling factors kt is 0.51 and k33 is 0.82, and the strain is 0.23% under 22kV/cm electric field.