- Technical Papers
High Precision Corrosion Monitoring Using Ultrasonic Techniques
Corrosion is associated with material deterioration because of a chemical reaction between the metal and its environment. Moreover, galvanic corrosion happens when two different metals are in contact with an electrolyte.
Corrosion is one of the main damages affecting today’s infrastructure. If the assessment of sporadic corroded area is now a common application, the estimation of corrosion through time using preventive actions through ultrasonic techniques is not yet easy to achieve. This paper compares phased array ultrasonic testing (PAUT) and total focusing matrix (TFM) technic assessments of galvanic corrosion progression over time. Multiple data acquisitions of the same plate, based on the methodology describe in the second section of this document, have been acquired over on a period of 45 days.
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