dye penetrant inspection

dye penetrant inspection
a method for detecting surface porosity or cracks in metal. The part to be inspected is cleaned and coated with a dye which penetrates any flaws that may be present. The surface is wiped clean and coated with a white powder. The powder absorbs the dye held in the defects indicating their location.

Mechanics glossary. 2013.

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Look at other dictionaries:

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