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-based substrate. Key words: piezoelectric fiber composites; Euler-Bernoulli beam; blocking force; hysteresis; piezoelectric ceramics 智能材料是指能感知环境刺激,并能对外界刺激进行分析,处理,判断,并采取一定措施进行适度响应的材料[1].其中压电智能材料由于其结构刚度高..., MUKHERJEE B K. Piezoelectric strain in lead zirconate titante ceramics as a function of electric field, frequency, and dc bias[J]. Journal of Applied Physics, 2003, 94(2): 1155-1162. [19] WANG Q M, ZHANG......
STUDY ON STRUCTURE AND PROPERTIES OF PMMN PIEZOELECTRIC CERAMICS崔万秋,周静,刘舒曼摘 要:<正>Piezoelectric ceramics based on PZT ceram-ics were prepared in solid state reaction with mixture ofPbO,TiO2 and ZrO2,etc.XRD and SEM were used to con-firm that the main phase in the material is tetragonal P4mmsymmetry.Samples sintered are of high density.Measurementon......
Influence of CeO2 doping amount on property of BCTZ lead-free piezoelectric ceramics sintered at low temperature黄新友1,2,邢仁克1,2,高春华1,2,陈志刚11. School of Materials Science and Engineering, Jiangsu University摘 要:Ba0.85Ca0.15Ti0.9Zr0.1O3(BCTZ) lead-free piezoelectric ceramics co-doped with CeO2(x=0.1 wt.%, 0.2 wt.%, 0.3 wt.%, 0.4 wt.%, 0.5 wt.%) and Li2CO3......
Influence of CeO2 doping amount on property of BCTZ lead-free piezoelectric ceramics sintered at low temperature黄新友1,2,邢仁克1,2,高春华1,2,陈志刚11. School of Materials Science and Engineering, Jiangsu University摘 要:Ba0.85Ca0.15Ti0.9Zr0.1O3(BCTZ) lead-free piezoelectric ceramics co-doped with CeO2(x=0.1 wt.%, 0.2 wt.%, 0.3 wt.%, 0.4 wt.%, 0.5 wt.%) and Li2CO3......
Properties of La2O3-Doped PNSZT Piezoelectric Ceramics Having Tetragonal and Rhombohedral Coexistent Phases黄新友,高春华,陈志刚摘 要:<正>The relationship between composition and the electric mechanical properties for La2O3-doped lead niobium stibium zirconate titanate(La2O3-doped PNSZT) piezoelectric ceramics,in which there are tetragonal and rhombohedral......
and Engineering,University of Science and Technology Beijing,Beijing 100083,China摘 要:Ti-Modified (Na0.5K0.5)(TixNb1-x)O3 (NKNT) piezoelectric ceramics were fabricated by double-layer buried powder process at 1020°C for 2 h. The microstructures,and piezoelectric and dielectric properties of the lead-free NKNT ceramics were investigated. X-ray diffraction......
and Engineering,Jiangsu University,Zhenjiang 212013,China摘 要:0.144(K0.5Bi0.5)TiO3-0.85(Na0.5Bi0.5)TiO3-0.006BaTiO3(KBT-NBT-BT) lead-free piezoelectric ceramics were prepared using a conventional solid state method.The influence of Sb2O3 doping on the crystal phase,surface microstructure and properties of the KBT-NBT-BT lead-free piezoelectric ceramics were......
Microstructures and Electrical Properties of Bi0.5-(Na1-x-yKxLiy)0.5TiO3 Lead-free Piezoelectric Ceramics张菁,吕文中Department of Electronic Science and Technology,Huazhong University of Science and Technology摘 要:The microstructures and electrical properties of Bi0.5(Na1-x-yKxLiy)0.5TiO3 lead-free piezoelectric ceramics were studied.These ceramics were......
, Zhenjiang 212013, China) Abstract:Lead-free piezoelectric ceramics of (Bi1/2Na1/2)TiO3-BaTiO3(BNT-BT) were prepared by the conventional piezoelectric ceramic preparation technique (free air atmosphere...) while w(La2O3)=0.3%. The influence of La2O3 additive amount on the microstructure of BNT-BT piezoelectric ceramics was analysed by SEM(scanning electron microscope). The influence mechanism of La2O3......
Properties of PMSZT Piezoelectric Ceramics near Morphotropic Phase Boundary Xu Mingxia1,Lu Cuimin1,LUO Yunfei1,Sun Qingchi1 (1.Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China) Abstract:Pb1. 04 ( Mn1/3 Sb2/3 ) 0.05ZrxTi0.95-xO3 (x = 0.45 ~ 0. 485 ) ternary system......