Influence of Sintering Temperature on KNN BF LS Piezoelectric Ceramic
In this paper, (K0.5Na0.53)0.932Nb0.932O3 0.008BF 0.06LS (abbreviated as KNN BF LS) piezoelectric ceramic was prepared by sol gel method. Structure and properties of ceramics were analyzed.Through analysis of the results, when sintering temperature is 1080degC, ceramic has good perovskite structure. At this temperature, grain size is more uniform, and structure is the most dense. Piezoelectric constant d33, electromechanical coupling coefficient Kp, dielectric constant er reached the maximum value, respectively, 113pC/N, 0.33, 591. Dielectric loss tand reached the minimum 0.11.