Dye penetrant inspection

{
  "id": "MLC-T-OAG-001221",
  "term": "Dye penetrant inspection",
  "field": "Oil and gas",
  "definition": "A non-destructive testing method used to detect surface-breaking discontinuities, such as cracks, pores, and laps, in non-porous materials. A liquid penetrant is applied to the surface, allowed to dwell, and then removed, followed by the application of a developer that draws the penetrant out of any flaws, making them visible. This technique is widely used for inspecting welds, castings, and forged components in pipelines and pressure vessels.",
  "subject": "Production",
  "url": "https://mlchart.com/terminology/oil-and-gas/dye-penetrant-inspection/"
}