Choosing a Sound Approach to Probe Frequency Selection in Aluminium Extrusion Sections

https://weld-verification-journal.summitquill.com/posts/weld-inspection-safety-for-power-plant-piping-checks-that-matter

Choosing a Sound Approach to Probe Frequency Selection in Aluminium Extrusion Sections Extrusions can contain thin walls, ribs, and long flat faces. Probe frequency affects resolution and how sound travels through a material