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Three Nonlinear NDE Techniques On Three Diverse Objects
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2005 (English)Conference paper (Refereed) PublishedAlternative title
Tre olinjära oförstörandeprovningsmetoder applicerade på tre skiljda objekt (Swedish)
Abstract [en]

Non-Destructive Evaluation has been carried out on three different test objects, with three different methods based on exhibits of slow dynamics and nonlinear effects. The three diverse objects were cast iron, ceramic semi-conductors on circuit boards, and rubber. The three approaches were Higher Harmonics detection (HH), Nonlinear Wave Modulation Spectroscopy (NWMS), and Slow Dynamics (SD). For all of the objects the three approaches were tried. The results showed that for each of the objects, a different method worked the best. The cast iron worked best with nonlinear wave modulation, the ceramic semi-conductors worked well with the higher harmonics detection, while the rubber showed best results with slow dynamics.

Place, publisher, year, edition, pages
State College, Pensylvania: AIP , 2005.
Keyword [en]
Nondestructive testing, nonlinear acoustics, higher harmonics, nonlinear wave modulation spectroscopy, slow dynamics.
National Category
Applied Mechanics
URN: urn:nbn:se:bth-9517ISI: 000238312600016Local ID: 0-7354-0330-9OAI: diva2:837386
17th International Symposium on Nonlinear Acoustics
Available from: 2012-09-18 Created: 2006-08-18 Last updated: 2015-06-30Bibliographically approved

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Hedberg, Claes
Applied Mechanics

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