Materials

Properties

Values

Aluminum

(Al-7075)

Elastic modulus

E

72 GPa

Mass density

ρ

2780 kg/m3

Poisson’s ratio

ν

0.33

Mechanical quality factor

Qm

2000

PZT ceramic

(C-21 by Fuji ceramics)

Elastic modulus

12.0 × 10−12 m2/N

−3.4 × 10−12 m2/N

−5.5 × 10−12 m2/N

14.7 × 10−12 m2/N

41.7 × 10−12 m2/N

Piezoelectric constants

d31

−117 × 10−12 m/V

d33

232 × 10−12 m/V

d15

582 × 10−12 m/V

Relative dielectric constants

1854

1184

Mechanical quality factor

Qm

1235

Mass density

ρ

7600 kg/m3

Dissapation factor

Tan δ

0.3 %