Liquid Penetrant Inspection also referred to, as Dye Penetrant Testing, is a sensitive, inexpensive and very portable NDT method that is capable of detecting and locating discontinuities that are surface breaking. This method is an enhancement of visual inspection. Topics covered are Basic Principles of Liquid Penetrant Inspection and Processing, Advantages and Disadvantages of various processes, System Controls, Test Equipment and Accessories and Inspection Procedures and Standards.
