Title :
Research on the Bending Effect of Piezoelectric Quartz
Author :
Changyin, Gao ; Wanquan, Li
Author_Institution :
Zhengzhou Inst. of Aeronaut. Ind. Manage., Zhengzhou, China
Abstract :
The bending effect of piezoelectric quartz is investigated by the theories of elasticity and electromagnetism. First the bending stress is deduced using mechanics of material. According to piezoelectric equation the volume and surface bound charge densities by bending are calculated. Using Finite Element Method, the distribution of the electric field in quartz bar is simulated. Based on the theoretical analysis, to measure the electric effect by bending the two detection electrodes are effectively arranged on the surfaces of the quartz bar. The theoretical and experimental results both show that the polarization charge is linear with the bending moment. The research on the bending effect of piezoelectric quartz will provide a new method for piezoelectric micro-actuator.
Keywords :
bending; density; elasticity; electromagnetism; finite element analysis; piezoelectric materials; quartz; SiO2; bending effect; bending moment; bending stress; detection electrodes; elasticity; electromagnetism; finite element method; piezoelectric equation; piezoelectric microactuator; piezoelectric quartz; surface bound charge densities; volume densities; Biological materials; Electrodes; Equations; Magnetic field measurement; Magnetic materials; Optical materials; Piezoelectric materials; Piezoelectric polarization; Piezoelectricity; Stress; bending effect; piezoelectricity; polarization; quartz;
Conference_Titel :
Intelligent Computation Technology and Automation (ICICTA), 2010 International Conference on
Conference_Location :
Changsha
Print_ISBN :
978-1-4244-7279-6
Electronic_ISBN :
978-1-4244-7280-2
DOI :
10.1109/ICICTA.2010.713
