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Corrosion Fatigue Cracking Inspections at LG&E

Corrosion Fatigue Cracking

For smaller diameter tubes, TesTex developed a rotating probe to examine the straight sections for corrosion fatigue cracking. Each size tube and wall thickness takes a specially designed probe to ensure proper expansion of BFET sensors for optimal results.

TesTex also has a Multi Channel BFET probe that is used as a screening tool for detecting cracks in boiler tubes from the inside surface.

TesTex would use a Borescope to inspect the tube for cracking and notes any locations. Once the locations are noted, the BFET probe is inserted and pushed to that location. The rotating BFET probe measures the signal response to size the depth of the cracking.

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