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Utilizing EBSD to validate and understand NDE techniques
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Essex, S. D., Potter, M. D. G., Vann, R. G. L. and Dixon, S. (2009) Utilizing EBSD to validate and understand NDE techniques. In: 35th Annual Review of Progress in Quantitative Nondestructive Evaluation, Univ Chicago, Chicago, IL, July 20-25, 2008. Published in: AIP Conference Proceedings, Vol.1096 pp. 1224-1231. ISBN 978-0-7354-0629-2. doi:10.1063/1.3114095 ISSN 0094-243X.
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Official URL: http://dx.doi.org/10.1063/1.3114095
Abstract
Electron Backscatter Diffraction (EBSD) is a destructive, surface-specific technique that measures accurately crystallographic orientations within a scanning electron microscope (SEM). From this data we can infer elastic properties, calculate levels of stress and measure microstructural properties such as the size and aspect ratios of grains. The Electromagnetic Acoustic Transducer (EMAT) is a non-contact, ultrasonic transducer that is suitable for operation on electrically conducting materials such as Aluminium and Steel. This paper highlights some of the work carried out using EBSD as a technique to validate EMAT measurements on rolled sheet to determine microstructural properties such as gain size and aspect ratios via shear wave through-thickness attenuation, and other macroscopic properties like average crystallographic texture. Work is also presented on another application for EBSD, in that it can be used to confirm whether an NDE technique is in fact non-destructive. Here we look at the case of a Nd:Yag pulsed laser irradiating a sample, in the ablative/thermoelastic regime boundary.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering Faculty of Science, Engineering and Medicine > Science > Physics |
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| Series Name: | AIP Conference Proceedings | ||||
| Journal or Publication Title: | AIP Conference Proceedings | ||||
| Publisher: | American Institute of Physics | ||||
| ISBN: | 978-0-7354-0629-2 | ||||
| ISSN: | 0094-243X | ||||
| Editor: | Thompson, DO and Chimenti, DE | ||||
| Official Date: | 2009 | ||||
| Dates: |
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| Volume: | Vol.1096 | ||||
| Number of Pages: | 8 | ||||
| Page Range: | pp. 1224-1231 | ||||
| DOI: | 10.1063/1.3114095 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 35th Annual Review of Progress in Quantitative Nondestructive Evaluation | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Univ Chicago, Chicago, IL | ||||
| Date(s) of Event: | July 20-25, 2008 |
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