This examination consists of applying a dye penetrant on the examined surface. After penetration time, the developer is applied. Due to the absorption properties of the developer is highlighted discontinuities open to the surface.
TYPES OF EXAMINATIONS:
•Dye penetrant examination – color contrast.
•Fluorescent penetrant examination.
ADVANTAGES:
•The method is very sensitive to the presence of small superficial discontinuities which makes it superior to visual examination.
•There are few use limitations. At the same time, several small objects can be tested without compromising quality standards, thus saving time and reducing costs considerably.
•Complex geometries can also be tested