page_title: Fluorescent penetrant inspection
hierarchical_section_title: Fluorescent penetrant inspection
caption_attribution_description: English: Holloman Air Force Base, NM: Airman Hector Chacon, 49th Maintenance Squadron non-destructive inspection specialist, performs a liquid penetrant inspection at the base NDI shop Feb. 11. A liquid penetrant inspection is performed to check the integrity of non-magnetic aircraft metal parts. The test is used on a case-by-case basis to determine whether or not the part will need to be replaced. (U.S. Air Force photo by Senior Airman Tiffany Trojca) (Released)
context_page_description: Fluorescent penetrant inspection is a type of dye penetrant inspection in which a fluorescent dye is applied to the surface of a non-porous material in order to detect defects that may compromise the integrity or quality of the part in question. FPI is noted for its low cost and simple process, and is used widely in a variety of industries.
context_section_description: Fluorescent penetrant inspection (FPI) is a type of dye penetrant inspection in which a fluorescent dye is applied to the surface of a non-porous material in order to detect defects that may compromise the integrity or quality of the part in question. FPI is noted for its low cost and simple process, and is used widely in a variety of industries.
caption: Liquid penetrant inspection of non-magnetic aircraft metal parts.
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