Author： Bazulin A. Bazulin E.
Publisher： MAIK Nauka/Interperiodica
ISSN： 1061-8309
Source： Russian Journal of Nondestructive Testing, Vol.46, Iss.2, 2010-02, pp. : 119-124
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Abstract
A technique of using a CO-3 calibration block for measuring not only the base of a piezoelectric transducer (PET) but also its incidence angle is proposed. This approach allows a single specimen to be used in an automated PET certification system for obtaining its main characteristics. The results of measuring the PET incidence angle in an automated mode on a CO-3 block are compared with the measurement results on CO-2 according to GOST (State Standard) 14782–86. It is shown that systematic error is absent. The use of a CO-3 block substantially reduces the time of obtaining the basic characteristics of a PET and simplifies the calibration procedure.
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