Design, Modeling, and Simulation of Two-Piece Trapezoidal Piezoelectric Devices for Sensing and Energy Harvesting

Table 1

PZT-PZN-Scheme 4 and brass material property names and values [8].

Value		Name
k31	0.32	Electro-mach coupling factor of PZT-PZN
d31	153.73	Piezoelectric charge constant: pC/N
g31	0.011	Piezoelectric voltage constant: Vm/N
kp	0.59	The coupling coefficient of PZT-PZN
ε r	1588	The dielectric constant of PZT-PZN
Qm	78.7	Mechanical quality factor
ρ	7879	The density of PZT-PZN (kg/m^3)
ζ	0.017	Mechanical damping ratio
Temp	1100	Sintering temperature (°C)
T	3	Sintering time (hours)
Mt	0	Tip mass (g)
d33	400	Piezoelectric charge constant: pC/N
g33	0.028	Piezoelectric voltage constant: Vm/N
ρ s	8800	The density of brass UNS C22000 (kg/m^3)
νs	0.307	Poisson’s ratio of the brass layer
ε rs	4500	The dielectric constant of the brass layer
Es	110	Young’s modulus of the brass layer (GPa)
E	66	Young’s modulus of PZT-PZN (GPa)