SE 02 E

Verification of sensors and their coupling in laboratories

July 2014, 43 p.

Kategorie: DGZfP-Regelwerke

The development and comparability of methods and results of acoustic emission testing (AT) requires a comprehensive characterisation of acoustic emission sensors (AE sensors) and other parts of the measurement chain by the equipment manufacturers. This would be ensured by calibration of the transfer behaviour of the AE sensors traceable to international standards. However, this kind of calibration is currently still in the R&D stage. Objective of this guideline is the description of methods for verification of the transfer behaviour of piezoelectric AE sensors including application of suitable transmitting media (test bodies) and reference sources that can be realized in test laboratories with appreciably low technical effort. However, this guideline does not aim to present calibration methods.

  1. Foreword
  2. Related standards
  3. Symbols and abbreviations
  4. Coupling
  5. Quality management of single AE sensors
  6. Application of QM measures

Annex A: Control Card for AE Sensor Verfication

Annex B: Dimensioning of waveguides

Annex C: Temperature dependency of the AE sensor sensitivity and of the applied coupling media

Annex D: Plate wave diagrams

Annex E: AE signals due to plate wave excitations

Annex F: Detection of damage using plate wave excitation

Annex G: Literature

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