Tag Archives for Couplants

Ultrasonic Examination – Couplants

Attenuation of ultrasonic waves propagating through air is very high, and normal surface roughness (especially of the workpiece) will always create an air gap between an ultrasonic transducer and the workpiece. It is not practical to improve the surface of … Continue reading

28. April 2018 by Jack
Categories: In-Service Inspection | Tags: , | Leave a comment