Source: wikibot/dye-penetrant-inspection
= Dye penetrant inspection
{wiki=Dye_penetrant_inspection}
Dye penetrant inspection (DPI) is a non-destructive testing (NDT) method used to detect surface-breaking defects, such as cracks, porosity, and other discontinuities in solid materials. It is particularly effective for non-porous materials like metals, plastics, and ceramics.