2. Acoustic emission: reminders and definitions

Acoustic emission (EA) corresponds, according to the AFNOR standard , to a "phenomenon of elastic energy release in the form of transient elastic waves within a material during dynamic deformation processes". A material subjected to inelastic deformation dissipates energy by creating micro-displacements of material, a fraction of which take the form of elastic waves, if these deformations are carried out abruptly.

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Acoustic emission: reminders and definitions

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Acoustic emission fatigue testing: conventional methods

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Bibliography

(1) - ALBERT (W.A.J.) - Über Treibseile am Harz. Archive für Mineralogie, Geognosie. - Bergau and Hüttenkunde, 10 : p. 215-234 (1838).
(2) - SCHÜTZ (W.) - A history of fatigue. - Engineering fracture mechanics, 54(2) : p. 263-300 (1996)....

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