Annular plate inspection using guided wave tomography
conference paper
Corrosion is one of the industries major issues regarding the integrity of assets. In case of storage tanks, corrosion of the annular plate is a potential risk, which ultimately can lead to catastrophic failure of such a tank. Currently inspection is most often done from inside of the tank. Additionally screening methods are available to assess the condition of the annular plate. Our aim is to modify our guided wave travel time tomography concept to work in reflection mode. The symmetric zero order lamb wave is transmitted in the annular plate and reflects from the inner rim. Simulations and experiments on a scale-model of a 50 meter diameter storage tank are performed to evaluate the concept. Extracting reliable travel time data to serve as input for a tomographic reconstruction will be illustrated.
TNO Identifier
954463
ISSN
0094243X
ISBN
9780735411296
Publisher
American Institute of Physics AIP
Source title
39th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2012, 15-20 July 2012
Editor(s)
Thompson, D.E.
Chimenti, D.O.
Chimenti, D.O.
Collation
9 p.
Pages
745-752
Files
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