Dynamics Analysis on Piezoelectric Laminated Vibrator and Optimization of PZT Position

Table 1

Properties of the materials used.

Material	Property	Value
P81	Density (kg/m^3)	7600
	Poisson’s ratio	0.32
	Young’s modulus (Pa)	1.2 × 10^11
	Piezoelectricity/31 (cm^−2)	6.04 × 10^−9
Phosphor bronze	Density (kg/m^3)	8800
	Poisson’s ratio	0.33
	Young’s modulus (Pa)	1.13 × 10^11