A variety of flaws occur in materials and parts either during manufacturing or due to the aging effect in the field and can be found with a flaw detector: Void / Porosity Inclusions Cracks (subsurface or surface) Weld Bond Defects (incomplete melting, HAZ) Corrosion / Oxidation Abrasion / Erosion Machining or Grinding Damage Forging Flaws Casting Flaws Forming / Rolling Mill Flaws Adhesive / Sealant Debonding Composite / Honeycomb Delamination Wire Rope / Cable Flaws Pipe / Tubing Flaws