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Piezoelectric Properties and Stability of Resonant Frequency of Cr Modified PSZN-PZT Ceramics Nie Qiang1,Sun Qingchi2,Wang Lifeng2 (1.School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;2.Key Laboratory for Advanced Ceramics and Machining Technology, Tianjin 300072, China) Abstract:The structure, piezoelectric properties, aging rate and temperature......
Piezoelectric and dielectric properties of Lix(K0.46Na0.54)1-xNb0.86Ta0.1Sb0.04O3 lead-free ceramics CHEN Zhi-wu(陈志武) 1, HU Jian-qiang(胡建强)2 1. College of Materials Science and Engineering, South... in the composition range of 0.06≤x≤0.08. Analogous to Pb(Zr,Ti)O3, the dielectric and piezoelectric properties are enhanced for the composition near the morphotropic phase boundary. The Li0.06......
Effect of poling condition on piezoelectric properties of (K0.5Na0.5)NbO3 ceramics DU Hong-liang(杜红亮)1, TANG Fu-sheng(唐福生)1, LI Zhi-min(李智敏)1, ZHOU Wan-cheng(周万城)1, QU Shao-bo(屈绍波)2, PEI... on the piezoelectric properties of KNN ceramics was investigated. The results show that the piezoelectric constant d33 and electromechanical coupling factor kp increase with poling field, poling temperature......
Properties of La2O3-Doped PNSZT Piezoelectric Ceramics Having Tetragonal and Rhombohedral Coexistent Phases Gao Chunhua1,Chen Zhigang1,Huang Xinyou1 (1.School of Materials Science and Engineering... PNSZT) piezoelectric ceramics,in which there are tetragonal and rhombohedral coexistent phases, was studied. A series of piezoelectric ceramics with good properties was obtained, having dielectric......
element method; static analysis of plate; geometrical nonlinearity 1 Introduction Based on the coupled mechanical and electrical properties, piezoelectric structures have found much applications... case and two edges free and two clamped (CFCF) in the second case (Fig. 1). The piezoelectric materials used are PZT-4, PZT-6B and PVDF and their properties are listed in Table 1 [13]. The geometry......
Preparation and Properties of Orthogonal Piezoelectric Composite Materials Chen Chun1,Shen Yi2,Liu Jun1,Lu Ying2,Zhang Xingguo1 (1.School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China;2.School of Science, Jiangsu University, Zhenjiang 212013 ,China) Abstract:. PZT piezoelectric ceramic with La2O3, SrCO3, BaO and Sb2O5 was prepared. It has high value......
Thermal and piezoelectric properties of Bi3.15Nd0.85Ti3O12 thin film prepared by metal organic decomposition HU He-ping(胡和平)1, 2, DAI Shun-hong(戴顺洪) 1, ZHENG Xue-jun(郑学军)1, 3, ZHOU Yi-chun(周益春) 1... diffusion coefficient were obtained from the heat flow curve. The phase identification, ferroelectric, and piezoelectric properties of BNT thin film annealed at 700 °C were investigated with X-ray......
exhibit an enhanced piezoelectric properties with the piezoelectric constant d33 value of 180-200 pC/N, The electromechanical coupling coefficients kp is 35%-40%. The results show that (1-x)(K0.5Na0.5)- NbO3-xLiNbO3 (x=0.05, 0.06) is a promising high-temperature lead free piezoelectric ceramic. Key words: (K0.5Na0.5)NbO3-LiNbO3; lead-free piezoelectric ceramics; piezoelectric properties; perovskite 1......
Influence of substitution of Nd3+ for Bi3+ on structure and piezoelectric properties of SrBi2-χNdχNb2O9 (χ=0, 0.1, 0.2 and 0.4) SUN Lin(孙 琳)1, CHU Jun-hao(褚君浩)1, YANG Ping-xiong(杨平雄)1, YUE Fang-yu... lowers the piezoelectric properties of SrBi2-χNdχNb2O9 ceramics. Meanwhile, the temperature coefficient of resonant frequency (TCF) decreases when Nd element partially replaces Bi element......
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