Proprieties

Aluminum oxide

Ti-6A1-4V

PZT G-1195

PZT-5A

Elastic modulus

E (N/m2)

3.2024 × 1011

1.0570 × 1011

6.1 × 1010

63 × 109

Poison’s ratio

0.26

0.29

0.3

0.3

Density

ρ (Kg/m3)

Elastic stiffness matrix (GPa)

Piezoelectric strain matrix

3750

4429

7600

63.0

7750

61.0

e31

e33

e15

Dielectric matrix (F/m)

g11

g22

g33

-

-

22.86

22.86

-

1.5 × 10−8

1.5 × 10−8

1.5 × 10−8

6.5

23.3

17

1.53 × 10−8

1.53 × 10−8

1.5 × 10−8