wing zyglo

wing zyglo
A form of nondestructive inspection of parts subject to vibration. The concerned part is soaked in a fluorescent penetrant for an appropriate length of time and then rinsed. All penetrant is cleaned off the surface. The part is then placed into a fixture that vibrates and is observed under an ultraviolet light. If the vibration opens up a crack that has accepted some of the penetrant, the crack will show up as a glow in black light. Also called a blink zyglo.

Aviation dictionary. 2014.

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Look at other dictionaries:

  • zyglo — i. A proprietary nondestructive inspection technique to confirm the presence of cracks in materials using a fluorescent penetrant. ii. A fluorescent penetrant used to soak the concerned part for an appropriate length of time, after which the part …   Aviation dictionary

  • blink zyglo — A nondestructive dye penetrant inspection technique to confirm the presence of cracks in materials that are subject to vibrations. The surface of the part is coated with a penetrant in which a visible, or fluorescent, dye is dissolved or… …   Aviation dictionary

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