Measurement, detection and analysis of longitudinal and transverse AE waves emitted near A crack

Familiarity with theoretical calculation of the spatial distribution of longitudinal and transverse waves created by AE sources such as microcracking (mode I: opening) and plastic deformation (mode II: shearing) is assumed. The experimental method is described. Longitudinal and transverse AE waves e...

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Veröffentlicht in:	Journal of acoustic emission 1984-10, Vol.3 (4), p.176-180
Hauptverfasser:	DUYTSCHE, C, FLEISCHMANN, P, ROUBY, D
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysing. Testing. Standards Applied sciences Exact sciences and technology Measurement of properties and materials state Metals. Metallurgy Nondestructive testing
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Beschreibung
Zusammenfassung:	Familiarity with theoretical calculation of the spatial distribution of longitudinal and transverse waves created by AE sources such as microcracking (mode I: opening) and plastic deformation (mode II: shearing) is assumed. The experimental method is described. Longitudinal and transverse AE waves emitted by a CT 25 steel sample, precracked by fatigue, are recorded. The distribution of longitudinal waves in the space seems to correspond to mode I sources. Transverse waves are measured with an amplitude corresponding to those calculated in mode I.
ISSN:	0730-0050