Liquid penetrant testing procedure

The penetrant may be applied to all non-ferrous materials and ferrous . Introduction to Penetrant Testing . This procedure contains water washable process with both visible and fluorescent systems. This Test method covers procedures for penetrant examination of butt and fillet weld with the associated. Heat Effected Zone (HAZ) on the parent metal and components.

They are non-destructive testing methods for detecting discontinuities that are open to the surface such as cracks, porosity and lack of fusion by liquid .

Steps of Liquid Penetrant Testing.

The exact procedure for liquid penetrant testing can vary from case to case depending on several factors such as the penetrant system being use the size and material of the component being inspecte the type of discontinuities being expected in . Over the years, liquid penetrant examination has been called many names: penetrant testing (PT), liquid penetrant testing (LP), and dye penetrant testing ( DP). More options have developed in the way liquid penetrant inspection is performed nowadays. Atharaa Engineering Services Dye Penetrant Testing Visible Method.

ATHARAA ENGINEERING SERVICES LLC P. Dye penetrant testing procedure Visible Method. The principle of liquid penetrant testing is that the liquid penetrant is drawn into the surface-breaking crack by capillary action and excess surface penetrant is then. Should have tilted the plate to do away with glare and let the viewer see.

An intentional crack in the plate would have been good for checking engine heads etc. Overview of Liquid Penetrant Testing (PT):. Time specified by penetrant manufacturer or procedure . False indications – due to inadequate removal of penetrant during rinse process or contamination from . There are many types of dye used in penetrant inspections. This is because of the nature of the fluorescent penetrant that is applied. With its brilliant yellow glow caused by its reaction with ultraviolet radiation, FPI . PROCEDURE LIQUID PENETRANT TESTING. as PDF File (.pdf), Text File (.txt) or view presentation slides online.

It may be used on such materials as aluminum, magnesium, brass, copper, cast iron, steel, stainless steel, carbides, stellite, certain plastics and ceramics. The essentials of the method are: penetration of the .