Název: Nondestructive evaluation of corrosion damage of Al-alloys by in-situ AE monitoring and nonlinear elastic wave spectroscopy testing
Autoři: Kober, Jan ; Převorovský, Zdeněk
Typ dokumentu: Příspěvky z konference
Konference/Akce: NDT in PROGRESS /6./, Praha (CZ), 2011-10-10 / 2011-10-12
Rok: 2011
Jazyk: eng
Abstrakt: This work investigates the possibilities of monitoring ongoing corrosion process by acoustic emission (AE) and of determining overall corrosion damage by the nonlinear wave modulation spectroscopy method (NWMS). Specimens made of Al-alloy L-beams simulating stringer reinforcements of airplane structure were studied. The samples were repeatedly immersed in sea salt solution. The acoustic emission activity was recorded in situ during corrosion process. Nonlinear parameters of the samples were measured in between corrosion tests by NWMS method. The current dynamics of a corrosion process was determined by AE, the amount of corrosion damage was corresponding to the nonlinear parameters obtained by NWMS.
Klíčová slova: acoustic emission (AE); aluminium alloys; exfoliation corrosion; nonlinear elastic wave spectroscopy (NEWS); nonlinear wave modulation spectroscopy (NWMS)
Číslo projektu: CEZ:AV0Z20760514 (CEP), FR-TI1/274 (CEP), GAP104/10/1430 (CEP)
Poskytovatel projektu: GA MPO, GA ČR
Zdrojový dokument: NDT in Progress 2011, ISBN 978-80-214-4339-6

Instituce: Ústav termomechaniky AV ČR (web)
Informace o dostupnosti dokumentu: Dokument je dostupný v příslušném ústavu Akademie věd ČR.
Původní záznam: http://hdl.handle.net/11104/0201658

Trvalý odkaz NUŠL: http://www.nusl.cz/ntk/nusl-80938


Záznam je zařazen do těchto sbírek:
Věda a výzkum > AV ČR > Ústav termomechaniky
Konferenční materiály > Příspěvky z konference