Density [kg/m3]

Young’s modulus [GPa]

Poisson’s ratio

Aluminum plate

2680

70.6

0.33

Electrode plate

6900

100

0.35

Piezoelectric material

8400

132

0.30

γε = 2.213 × 10−9 [F/m], d31 = −3.7 × 10−12 [m/V]