<p>The absorption metal sheet (10) has a piezoelectric layer (20), which is formed for the collection of mechanical loads and mechanical vibrations. The piezoelectric layer is formed as both actuator as well as sensor. The piezoelectric layer is operable in an actuator mode and in sensor mode. The piezoelectric layer is formed as piezoceramic layer. The piezoelectric layer borders damping layer of the metal sheet or is enclosed by the damping layer.</p>
