What is Diffraction mottle weld defect? how to determine

Diffraction mottle, also known as radiographic mottling, is not actually a weld defect but an artifact that appears on radiographs of certain welds under specific conditions. While it can sometimes look concerning, it’s crucial to understand it correctly to avoid unnecessary weld rejection or rework. Understanding Diffraction Mottle: Determining Diffraction Mottle: Preventing Diffraction Mottle: Impact on Weld Quality: Real-Life Example: […]