What Can Go Wrong With Probe Frequency Selection in Thin-Wall Metal Tubes-
https://immersion-flaw-detection.slatecurrent.com/posts/how-to-plan-part-fixturing-when-scanning-bonded-sheets
What Can Go Wrong With Probe Frequency Selection in Thin-Wall Metal Tubes? Thin tubes have close front and back surfaces and curved entry paths. Probe frequency affects resolution and how sound travels through a material