Abstract
In this paper, in order to develop the composition ceramics for piezoelectric actuator, (1-x)(Na0.52K0.443Li0.037)(Nb0.883Sb0.08Ta0.037)O3 - x(Bi0.5Na0.5)0.9(Sr)0.1ZrO3 ceramics were synthesized by the conventional solid state method and their piezoelectric and dielectric properties were systematically investigated. All specimens showed a typical pure perovskite structure and no secondary phase was found according to the (Bi0.5Na0.5)0.9(Sr)0.1ZrO3 substitution. When x = 0.03, the excellent physical properties of d33 = 256pC/N εr = 1753, kp = 0.411, Qm = 58 and high Tc of 285 °C were obtained for piezoelectric actuator.
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