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TOFD Probes

Posted by: Ed Ginzel , E-mail: eginzel@mri.on.ca, on September 19, 1996 at 19:26:55:

Most probes used for TOFD are circular or nearly square.
Would it be feasible or practical to use a rectangular
shaped element to effectively increase the energy input
to a thick test piece? e.g. a 6mm x 18mm element. The
small vertical dimension (6mm) would be intended to
preserve the increased divergence angle needed for TOFD.

If so, would the receiver probe need to be of the same
dimension?

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Comments:
: Most probes used for TOFD are circular or nearly square. : Would it be feasible or practical to use a rectangular : shaped element to effectively increase the energy input : to a thick test piece? e.g. a 6mm x 18mm element. The : small vertical dimension (6mm) would be intended to : preserve the increased divergence angle needed for TOFD. : If so, would the receiver probe need to be of the same : dimension?

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