Non-destructive examination technique using direct visual inspection and optical gauges to evaluate surface conditions and weld geometry.
Visual Testing is the fundamental non-destructive test applied before, during, and after welding. Candidates learn optical aids, surface discontinuity evaluation, and visual acceptance standards.
NDT Courses
Non-invasive technique using liquid dye and developers to detect surface-breaking defects in non-porous materials.
NDT Courses
Method using magnetic field leakage to detect surface and near-surface flaws in ferromagnetic materials.
NDT Courses
Volumetric inspection technique utilizing X-rays or Gamma-rays to detect internal weld and casting defects.