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热压法制备0.3PZN-0.7PZT压电陶瓷研究 李尚平1,田莳1,汪鹏1,徐永利1 (1.北京航空航天大学材料科学与工程系101教研室,北京 100083) 摘要:研究了热压法制备0.3PZN-0.7PZT系压电陶瓷过程中,铅含量以及热压和退火工艺对材料性能的影响.实验结果表明,适当降低铅含量,提高退火温度和退火时间可得到性能优良的压电陶瓷.制得的压电陶瓷密度接近理论密度,电性能指标为:d33=715pC/N,Kp=0.65,tgδ=2.9%,εr=3457,Qm=50.1 关键词:热压烧结; 压电陶瓷; PZN-PZT; hot-pressing; piezoelectric ceramics; PZN-PZT; [全文内容正在添加中] ......
is closely related to B-site Nd substitution in KNNLN. The successive phase transitions from tetragonal to orthorhombic, and then to cubic are observed in Nd doped KNNLN ceramics. The piezoelectric constant... behavior in K0.5Na0.5NbO3-LiTaO3 ceramics [J]. Appl Phys Lett, 2007, 90(26): 262903-262905. [8] ZHAO P, ZHANG B P, LI J F. High piezoelectric coefficient d33 in Li-modified (K,Na)NbO3 lead-free ceramics......
Preparation of Lanthanum-Doped Pb(Zr,Ti)O3 Ceramics Sheets by Tape Casting N. Raengthon1,G. Satittada2,T. Tunkasiri1,J. Tontrakoon1,N. Tawichai1 (1.Department of Physics, Faculty of Science, Chiang...) which were prepared by tape casting method were carried out. Tape casting of lanthanum modified PZT was performed using commercial cellulose acetate binders and poly(ethylene glycol) plasticizers......
in research of shape memory alloys[J]. The Chinese Journal of Nonferrous Metals, 2001, 11(6): 1002-1008. [3] 贾菲 B. 压电陶瓷[M]. 林声和, 译. 北京: 科学出版社, 1979: 136-185.JAFFE B. Piezoelectric ceramics[M]. LIN Sheng-he...高的复合物越容易获得较大的驱动应变性能. 关键词:压电纤维复合物；有限元法；电极结构；压电陶瓷纤维 中图分类号:TB34; TB332 文献标志码:A Modeling and optimization of piezoelectric fiber composites based......
铬掺杂PMS-PZT压电材料的研究 孙清池1,陆翠敏1,徐明霞1,朱宏亮1 (1.天津大学,天津,300072) 摘要:采用固相法制备铬掺杂PMSZT压电陶瓷,研究了在不同烧结温度下铬掺杂Pb1.04(Mn1/3Sb2/3)0 05ZrxTi0.95-xO3+z%(质量分数)Cr2O3陶瓷的介电和压电性能,分析讨论了Cr2O3掺杂量以及烧结温度与相组成,显微结构和电性能的关系.结果表明,Cr2O3掺杂0.6%(质量分数),烧结温度1260℃时,PMSZT压电陶瓷的居里温度最低且电性能优良,ε33T/ε0=1650,tan δ=0.006,d33=328pC/N,Kp=0.63,Qm=2300. 关键词:PMSZT压电陶瓷; 相组成; 显微结构; 电性能; [全文内容正在添加中] ......
] TAKAGI K, LI J F, YOKOYAMA S, WATANABE R. Fabrication and evaluation of PZT/Pt piezoelectric composites and functionally graded actuators [J]. J Eur Ceram Soc, 2003, 23: 1577-1583. [3] KOOGL M, BUCALEM M L...J. Cent. South Univ. (2012) 19: 1182-1188 DOI: 10.1007/s11771-012-1126-y Nonlinear static response of piezoelectric plates considering electro-mechanical coupling B. Behjat, M. R. Khoshravan......
and displacement curves measured in piezoelectric stack ceramics under subswitching field intensities are not always symmetrical, in contrast to the predictions of the Rayleigh model. Coefficient... microscopy [J]. Microelectronic Engineering, 2003, 67: 938-944. [6] DAMJANOVIC D, DEMARTIN M. The Rayleigh law in piezoelectric ceramics [J]. Journal of Physics D: Applied Physics, 1996, 29: 2057-2060......
fabrication of network porous Si3N4 ceramics [J]. J Alloys Compd, 2017, 709: 717-723. [31] TIWARI V, SRIVASTAVA G. The effect of Li2CO3 addition on the structural, dielectric and piezoelectric properties of PZT ceramics [J]. Ceram Int, 2015, 41(2): 2774-2778. [32] WEI D, WANG H. Low-temperature sintering and enhanced piezoelectric properties of random and textured PIN-PMN-PT ceramics with Li2CO3 [J......
of a multilayered piezoelectric device (PZT) (compensation of a hysteresis by introducing a software algorithm)[J]. Transactions of Japan Society of Mechanical Engineers Part B, 1991, 57(533): 182-187. [8] LU Hao...J. Cent. South Univ. Technol. (2007)06-0832-06 DOI: 10.1007/s11771-007-0158-1 High precise control method for a new type of Piezoelectric electro-hydraulic servo valve ZHOU Miao......
:无铅压电陶瓷; 熔盐法; XRD; 介电压电性; lead free piezoelectric ceramics; molten salt synthesis; X-ray diffraction; dielectric and piezoelectric properties; [全文内容正在添加中] ......
