Magnetic and Acoustic Barkhausen Noise for the Characterisation of Tensile Deformation and Stresses in Steel

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F07%3APU68371" target="_blank" >RIV/00216305:26220/07:PU68371 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Magnetic and Acoustic Barkhausen Noise for the Characterisation of Tensile Deformation and Stresses in Steel
Original language description
This paper introduces a new method of pulsed acoustic Barkhausen noise for stress detection and material characterisation. Pulsed excitation can provide wide spectral components and time information for non-destructive evaluation and material characterisation. After introducing the system set-up, several experiments including stress variation and residual stress orientation are outlined, in comparison with magnetic field intensity measurement. Different Barkhausen noise and magnetic acoustic emission characterisation methods such as Root Mean Square (RMS), absolute energy and event count are discussed and a new quantitative method for pulsed acoustic Barkausen noise and magnetic flux leakage is investigated for stress detection and material characterisation.
Czech name
Magnetický a akustický Barkhausenův šum pro charakterizaci tažné deformace a tlaků v oceli
Czech description
Tento článek představuje novou metodu pulzního akustického Barhausenova šumu pro detekci stresu a charakteristik materiálu.

Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JB - Sensors, detecting elements, measurement and regulation
OECD FORD branch
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Publication year
2007
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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