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Interaction of laser generated ultrasonic waves with wedge-shaped samples
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Edwards, R. S. (Rachel S.), Dutton, B. (Ben) and Clough, A. R.. (2012) Interaction of laser generated ultrasonic waves with wedge-shaped samples. Applied Physics Letters, Vol.100 (No.18). p. 184102. ISSN 0003-6951
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WRAP_Edwards_0271116-px-101012-wedgebulkwavesshort.pdf - Accepted Version Download (451Kb) | Preview |
Official URL: http://dx.doi.org/10.1063/1.4711021
Abstract
Wedge-shaped samples can be used as a model of acoustic interactions with samples ranging from ocean wedges, to angled defects such as rolling contact fatigue, to thickness measurements of samples with non-parallel faces. We present work on laser generated ultrasonic waves on metal samples; one can measure the dominant Rayleigh-wave mode, but longitudinal and shear waves are also generated. We present calculations, models, and measurements giving the dependence of the arrival times and amplitudes of these modes on the wedge apex angle and the separation of generation and detection points, and hence give a measure of the wedge characteristics.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Library of Congress Subject Headings (LCSH): | Ultrasonic waves, Wedges |
| Journal or Publication Title: | Applied Physics Letters |
| Publisher: | American Institute of Physics |
| ISSN: | 0003-6951 |
| Date: | 2012 |
| Volume: | Vol.100 |
| Number: | No.18 |
| Page Range: | p. 184102 |
| Identification Number: | 10.1063/1.4711021 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | European Research Council (ERC) |
| Grant number: | 202735 (ERC) |
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| URI: | http://wrap.warwick.ac.uk/id/eprint/50851 |
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