Where Back-Wall Echo Review Fits in the Inspection of Heavy Vehicle Axle Forgings

https://weld-quality-research.zenbloomer.com/posts/what-to-know-about-weld-quality-audits-in-industrial-skid-frames

Where Back-Wall Echo Review Fits in the Inspection of Heavy Vehicle Axle Forgings Axle forgings are long parts with shoulders and changing diameters. A back-wall echo can be a useful reference for sound transmission through a part