In situ calibration of acoustic emission sensors

0452043 - ÚT 2016 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
Kober, Jan - Převorovský, Zdeněk
In situ calibration of acoustic emission sensors.
NDT in Progress. Brno: University of Technology, Brno, 2015 - (Mazal, P.), s. 93-97. ISBN 978-80-214-5262-6.
[International Workshop NDT in Progress /8./. Praha (CZ), 12.10.2015-14.10.2015]
Institucionální podpora: RVO:61388998
Klíčová slova: standardisation * Acoustic Emission (AE) * time reversal * calibration * requency response
Kód oboru RIV: BI - Akustika a kmity

Calibration of acoustic emission (AE) sensors is recommended when comparing results of separate experiments or when studying frequency content of AE events. However conventional methods of AE sensor calibration require a reference sensor and/or special test specimen, equipment which is not readily available for most. Furthermore the calibration results are only approximately transferrable to practice, because they depend on bonding conditions and mechanical properties of the medium. A reference-free in situ method of sensors frequency responses determination based on standardized reciprocal calibration and time reversal method is proposed.
Trvalý link: http://hdl.handle.net/11104/0254918