Dye Penetrant Inspection (DPI) also called as Liquid Penetrant Inspection is an efficient, economical and widely used non destructive test method to detect surface-breaking discontinuities in all non-porous materials. Penetrant test is based upon the principles of capillary action where liquid penetrates into a cavity, and is performed by cleaning the test surface thoroughly, applying …
Non-destructive testing (NDT) – Dye Penetration Inspection (DPI) exampleRead More