Building Inspection Confidence With Focused Beam Alignment in Large-Diameter Flanges
https://immersion-inspection-notes.valiantfield.com/posts/magnetic-particle-checks-for-ship-hull-joints-checks-that-matter
Building Inspection Confidence With Focused Beam Alignment in Large-Diameter Flanges Large flanges have flat faces, bores, and thick rim sections. A focused transducer can improve response from a limited region when aligned well