One of the oldest and most widely used ndt methods can be used on metals and nonmetals, including glass, rubber, plastics, ceramics, etc. Dye penetration and visual inspection techniques youtube. Although there are more options in the way the test is performed, the basic principles have not changed over the years. Rainer schwab, hochschule karlsruhe karlsruhe university of. Liquid dye penetrant test inspection free ndt sample. Heres a little lesson in how weld testing is done so you can be prepared before the cwi gets onto the jobsite. Dye penetrant inspection basic principle practical procedure pros and cons responsible for this video. Looking for magnaflux dye penetrant, fluorescent 48k596. Objective liquid penetrant processes are nondestructive testing methods for detecting discontinuities that are open to surface. Penetrant process guide nondestructive testing product. Liquid penetrant inspection lpi, also known as dye penetrant inspection dpi or penetrant testing pt, was first developed in the early 1940s to detect flaws on the surface of materials.
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