Where Focused Beam Alignment Fits in the Inspection of Steel Forging Billets
https://weld-testing-resources.alderbrief.com/posts/how-to-plan-flaw-direction-review-when-scanning-heavy-machine-parts
Where Focused Beam Alignment Fits in the Inspection of Steel Forging Billets Billets may be thick and can contain grain-related ultrasonic noise. A focused transducer can improve response from a limited region when aligned well