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Stress corrosion cracking detection using non-contact ultrasonic techniques
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Hernandez-Valle, Francisco, Clough, A. R. and Edwards, R. S. (Rachel S.) (2014) Stress corrosion cracking detection using non-contact ultrasonic techniques. Corrosion Science, Volume 78 . pp. 335-342. doi:10.1016/j.corsci.2013.10.018 ISSN 0010-938X.
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Official URL: http://dx.doi.org/10.1016/j.corsci.2013.10.018
Abstract
In this work a method is presented for detecting and locating stress corrosion cracking (SCC) in stainless steel pipe samples. The method combines laser generation and either laser or electromagnetic acoustic transducer (EMAT) detection, scanning the generation point across the sample surface. Using laser-generated ultrasonic waves that interact with the cracks, and performing time–frequency analysis techniques to examine changes in the generated wavemodes, surface plots that clearly resolve the spatial extent and geometric alignment of the cracks are created and presented here. The method is demonstrated using components removed from service after exhibiting SCC.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Corrosion Science | ||||
| Publisher: | Pergamon | ||||
| ISSN: | 0010-938X | ||||
| Official Date: | 2014 | ||||
| Dates: |
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| Volume: | Volume 78 | ||||
| Page Range: | pp. 335-342 | ||||
| DOI: | 10.1016/j.corsci.2013.10.018 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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