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Experimental Mechanics
Erschienen in: Experimental Mechanics 6/2008

01.12.2008

Kinematic Fields and Acoustic Emission Observations Associated with the Portevin Le Châtelier Effect on an Al–Mg Alloy

verfasst von: H. Louche, K. Bouabdallah, P. Vacher, T. Coudert, P. Balland

Erschienen in: Experimental Mechanics | Ausgabe 6/2008

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Abstract

This paper presents experimental tensile test results obtained on flat aluminum magnesium alloy samples on a hard machine. The mechanical response, kinematic fields and acoustic emissions were simultaneously obtained in an experimental setup. Propagation instabilities associated with the Portevin–Le-Châtelier effect were observed as localized intense strain increment bands. Depending on the strain rate, A, B or C types were studied on the basis of stress drops, acoustic emission and strain fields. Then the band characteristics (position, orientation, width, thickness reduction, intensity, acoustic emission, principal strain direction) were presented in various strain rate conditions.
Vorheriger Artikel Embedded Digital Speckle Pattern Interferometry for Three-dimensional Strain Analysis
Nächster Artikel Digital Image Correlation for Specimens with Multiple Growing Cracks

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Metadaten
Titel
Kinematic Fields and Acoustic Emission Observations Associated with the Portevin Le Châtelier Effect on an Al–Mg Alloy
verfasst von
H. Louche
K. Bouabdallah
P. Vacher
T. Coudert
P. Balland
Publikationsdatum
01.12.2008
Verlag
Springer US
Erschienen in
Experimental Mechanics / Ausgabe 6/2008
Print ISSN: 0014-4851
Elektronische ISSN: 1741-2765
DOI
https://doi.org/10.1007/s11340-008-9125-5

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