Is eddy current signal amplitude a flaw-volume effect?
Why current redistribution, flaw orientation and position, and probe coupling matter more than missing metal volume alone.
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FIELD NOTES / ENGINEERING & EXPLORATION
Ideas from the field.
Notes for the future.
A personal journal of engineering, nondestructive testing, and everyday discovery. Making complex ideas clear and practical experience worth sharing.
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02 ENTRIESThe tube is leaking—why does eddy current testing report only just over 80% OD?
How calibration, flaw morphology, local penetration, and background responses can affect phase-based depth estimates in heat exchanger tubes.
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