Choosing a Sound Approach to Back-Wall Echo Review in Forged Gear Blanks
https://weld-evaluation-digest.swiftnestly.com/posts/a-practical-guide-to-scan-speed-setting-for-forged-steel-disks
Choosing a Sound Approach to Back-Wall Echo Review in Forged Gear Blanks Gear blanks are round, thick components with hubs and rim regions. A back-wall echo can be a useful reference for sound transmission through a part