Fabrication and performance of PNN-PZT piezoelectric ceramics obtained by low-temperature sintering

Autor: Yan Zhoumin, Yuansong Zhang, Ping Jiang, Jing Zhang, Zhong Min, Wang Anjiu
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Science and Engineering of Composite Materials, Vol 27, Iss 1, Pp 359-365 (2020)
ISSN: 2191-0359
0792-1233
Popis: The Pb(Ni1/3Nb2/3)O3-Pb(Zr x Ti1−x )O3 (PNN-PZT) piezoelectric ceramics with CuO and LiBiO2 doping were successfully fabricated by the low-temperature solid-state reaction to effectively restrain the PbO volatilization. The microstructure and electrical properties of the PNN-PZT ceramics were characterized. The experimental results reveal that the PNN-PZT ceramics are composed of a pure perovskite structure in which the rhombohedral and tetragonal phases coexist. Meanwhile, the good electric properties, including low dielectric loss, outstanding diffusion phase transition and palpable dielectric relaxation, are exhibited in PNN-PZT ceramics with 0.2 wt.% CuO and 1 wt.% LiBiO2 addition. This piezoceramic composition possibly provides a reference for the application of multi-layer piezoelectric actuators.
Databáze: OpenAIRE