Title :
Bending of piezoelectric bimorph plates under a coupled action of electric and thermal fields
Author :
Liu, Dong-ying ; Chen, Wei-qiu
Author_Institution :
Dept. of Civil Eng., Zhejiang Univ., Hangzhou, China
Abstract :
The bending of piezoelectric bimorph plates subject to electric and thermal loadings is investigated. Based on the constitutive equations for the generalized plane stress problems of piezoelectric materials, the stresses and the electric displacements of piezoelectric bimorph plates with different configurations are obtained by virtue of Kirchhoff´s hypothesis and Saint-Venant´s hypothesis. Analytical expressions for the deflection of piezoelectric bimorph cantilever as an actuator are obtained.
Keywords :
bending; cantilevers; piezoelectric actuators; plates (structures); Kirchhoff hypothesis; Saint-Venant hypothesis; actuator; bending; electric displacements; electric loading; generalized plane stress problems; piezoelectric bimorph cantilever; piezoelectric bimorph plates; piezoelectric materials; thermal loading; Civil engineering; Couplings; Differential equations; Micromechanical devices; Piezoelectric actuators; Piezoelectric materials; Thermal engineering; Thermal loading; Thermal stresses; Thermoelectricity; Piezoelectric bimorph; cantilever plate; thermoelectric coupling;
Conference_Titel :
Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA) and 2009 China Symposium on Frequency Control Technology, Joint Conference of the 2009 Symposium on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-4950-7
DOI :
10.1109/SPAWDA.2009.5428946
