Calibration Methods of Acoustic Emission Sensors
نویسندگان
چکیده
منابع مشابه
Calibration Methods of Acoustic Emission Sensors
This study examined outstanding issues of sensitivity calibration methods for ultrasonic and acoustic emission transducers and provides workable solutions based on physically measureable quantities, laser-based displacement measurement in particular. This leads to mutually consistent determination of transmitting and receiving sensitivities of sensors and transducers. Methods of circumventing p...
متن کاملBar-Wave Calibration of Acoustic Emission Sensors
This study extended a bar-wave calibration method for acoustic emission (AE) sensors. It combined laser interferometer displacement measurements and the wave propagation medium of a long bar, excited at its end with an ultrasonic transducer driven by a pulser. Receiving bar-wave sensitivities of 16 types of AE sensors were measured and compared to their receiving sensitivities to normally incid...
متن کاملCorrection: Ono, K. Calibration Methods of Acoustic Emission Sensors. Materials 2016, 9, 508
The author wishes to make the following corrections to this paper [1].[...].
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Acoustic emission (AE) sensors have been fabricated using both soft- and hard-type lead-free (Na0.5K0.5)NbO3-based ceramics. The acoustic and electromechanical properties of the ceramics have been determined using the resonance technique. The lead-free AE sensors were calibrated using a laser source and compared to a commercial sensor. A lead zirconate titanate (PZT) 5H ceramics AE sensor has a...
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The need for ever lighter and more efficient aerospace structures and components has led to continuous optimization pushing the limits of structural performance. In order to ensure continued safe operation during long term service it is desirable to develop a structural health monitoring (SHM) system. Acoustic emission (AE) offers great potential for real time global monitoring of aerospace str...
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ژورنال
عنوان ژورنال: Materials
سال: 2016
ISSN: 1996-1944
DOI: 10.3390/ma9070508