DPT TEST
Dye Penetrant Test (DPT) is one of the most inexpensive non-destructive test methods, used to check the surface irregularities of any component. This test method is popular by many names, which are as follows; Liquid Penetrant Inspection (LPI) Liquid Penetrant testing or Liquid Penetrant test (LPT)
There are six basic steps to follow when using the dye penetrant solvent removable method.
- Pre-clean part. This can range from grinding and wire brushing to merely wiping the part with a rag moistened with the cleaner/ remover. …
- Apply penetrant. …
- Remove penetrant. …
- Apply developer. …
- Evaluate indications. …
- Post-clean part.