Smart Materials Research / 2014 / Article / Tab 1

Research Article

Thermoelastic and Pyroelectric Couplings Effects on Dynamics and Active Control of Smart Piezolaminated Beam Modeled by Finite Element Method

Table 1

Properties of the aluminium and piezoelectric layers.

Properties Labels Units Beam
aluminium
Sensor
PVDF
biaxially oriented
Actuator
PZT-5H32
Foam

Length (m) 0.2 0.04 0.04 0.04
Width (m) 0.03 0.03 0.03 0.03
Thickness (m) 0.001 0.001 0.001 0.001
Density (g/cm3) 8.03 1.78 7.7 0.7689
Young modulus (GPa) 68 5.04 62 0.69
Piezoelectric stress constant (Vm/N) 0.15 −9.11
Piezoelectric strain constant ×10−12 (m/V) 4.34 −274
Pyroelectric constant ×10−5 Cm−2 K−1 −1.25
Dielectric constant 12 3300
Damping ×10−3 1
Constants ×10−3 0.1
Thermal conductivity (W/m·K) 1.5 1.5
Thermal expansion ×10−6 (m/m·K) 140 3
Specific heat J·kg−1·K−1 350 1.5

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