Piezoelectric Methods of Generation and Reception of Ultrasonic Waves

  • Josef Krautkrämer
  • Herbert Krautkrämer


So far we have discussed the propagation and behaviour of ultrasonic waves in various materials without presupposing anything regarding their generation except that they are excited in the material concerned by the contact face of a radiator which oscillates with the desired waveform and frequency. For detection a microphone has been assumed which likewise has a contact face and which is capable of measuring the sound pressure of an incident wave. Both devices are referred to in materials testing as a probe,or transducer, and where applicable as a transmitting probe or a receiving probe. We shall now discuss its mode of operation, which is based almost exclusively on the piezoelectric effect. Other methods for generating ultrasonics are discussed in Chapter 8.


Sound Pressure Piezoelectric Material Acoustic Impedance Barium Titanate Piezoelectric Transducer 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1983

Authors and Affiliations

  • Josef Krautkrämer
    • Herbert Krautkrämer
      • 1
    1. 1.CologneGermany

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