Shock and Vibration / 2016 / Article / Tab 1

Research Article

Development of Traveling Wave Actuators Using Waveguides of Different Geometrical Forms

Table 1

Properties of the actuator materials.

Material propertiesPiezoceramic PZT-8Aluminum

Young’s modulus [N/m2]7.0 × 1011

Poison’s ratio0.3

Density [kg/m3]77002700

Permittivity, ×10−7 [F/m] = 11.42; = 8.85

Piezoelectric matrix [C/m2] = −18.01; = 29.48; = 10.34

Elasticity matrix, ×1010 [N/m2] = 14.68; = 8.108; = 8.105; = 13.17; = 3.29; = 3.14