Material Constants

PZT

Steel

Foam

G₁₂ (N/m²)

$24.8\times {10}^9$

$78.7\times {10}^9$

$9.99\times {10}^6$

G₁₃ (N/m²)

$24.8\times {10}^9$

$78.7\times {10}^9$

$9.99\times {10}^6$

G₂₃ (N/m²)

$24.8\times {10}^9$

$78.7\times {10}^9$

$9.99\times {10}^6$

d₃₁ (m/V)

$-0.166\times {10}^{-9}$

-

-

d₁₅ (m/V)

$1.34\times {10}^{-9}$

-

-

Q₁₁ (N/m²)

$68.4\times {10}^9$

$211\times {10}^9$

$85.5\times {10}^6$

Q₂₂ (N/m²)

$68.4\times {10}^9$

$211\times {10}^9$

$85.5\times {10}^6$

Q₁₂ (N/m²)

$12.6\times {10}^9$

$2.88\times {10}^9$

$75.6\times {10}^6$

Q₆₆ (N/m²)

$12.6\times {10}^9$

$78.7\times {10}^9$

$9.99\times {10}^6$