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Surface-breaking crack gauging with the use of laser-generated Rayleigh waves
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Jian, X., Fan, Yichao, Edwards, R. S. (Rachel S.) and Dixon, S. (2006) Surface-breaking crack gauging with the use of laser-generated Rayleigh waves. Journal of Applied Physics, Vol.100 (No.6). Article: 064907. doi:10.1063/1.2353892 ISSN 0021-8979.
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Official URL: http://dx.doi.org/10.1063/1.2353892
Abstract
This paper studies crack depth gauging using wideband Rayleigh waves generated by laser in the thermoelastic regime. A finite element method (FEM) is used to calculate the scattering of the Rayleigh waves. The reflected and transmitted Rayleigh waves have different propagation paths and have very different frequency spectra. The arrival times of these scattered waves are crack depth related and can be used for crack depth gauging. Experimental measurements agree well with FEM predictions and validate the usefulness of the crack depth gauging method. (c) 2006 American Institute of Physics.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Journal of Applied Physics | ||||
| Publisher: | American Institute of Physics | ||||
| ISSN: | 0021-8979 | ||||
| Official Date: | 15 September 2006 | ||||
| Dates: |
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| Volume: | Vol.100 | ||||
| Number: | No.6 | ||||
| Number of Pages: | 6 | ||||
| Page Range: | Article: 064907 | ||||
| DOI: | 10.1063/1.2353892 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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