Abstract

The detection and sizing of corrosion is a crucial element in many industries. For instance, the petrochemical industry needs reliable, easy and rapid nondestructive testing methods to evaluate the remaining wall thickness in pipelines. Moreover, at pipe supports, the pipe is typically only partially accessible. It has been demonstrated in the literature that the cutoff frequency-thickness product of high order ultrasonic guided wave modes can be used in pitch-catch medium to long-range remnant thickness gauging. The capabilities of this technique depend on the number of excited modes and therefore various parameters such as the frequency content of the input signal, the thickness of the waveguide and the configuration of the probe. Using simulations and experiments this paper demonstrates the possibility of residual thickness gauging in a 10 mm aluminum plate using electromagnetic acoustic transducers.

How to Cite:

Thon, A. . & Bélanger, P. ., (2019) “Medium range remnant thickness gauging using high order shear horizontal waves”, Review of Progress in Quantitative Nondestructive Evaluation .