Method of inspection with cold light penetrant

Details Method of inspection with cold light penetrant Method of inspection with cold light penetrant

1992-07-31

1994-08-16

Tucker, Philip

Compositions

Chemiluminescent

436 5, C09K 300, G01N 3100

Patent

active

053384946

ABSTRACT:
A method and composition facilitating the inspection of structural surfaces, such as fuel tank walls, to identify or locate cracks, flaws and other defects. The composition is a system of materials including a dye-containing penetrant material and a chemiluminescent material which reacts with the dye in the penetrant material. The method involves application of the two materials sequentially such that they react chemically to produce light which is visible to the naked, unaided eye, thereby eliminating the need for electrically-powered or "hot" light.

REFERENCES:
patent: 2259400 (1941-10-01), Switzer
patent: 3744295 (1973-07-01), Allinikou
patent: 4054535 (1977-10-01), Molina
patent: 4365516 (1982-12-01), Molina
patent: 4462931 (1984-07-01), Cohen et al.
patent: 4642294 (1987-02-01), Arnaud et al.
patent: 4774188 (1988-09-01), Chandross
patent: 5242830 (1993-09-01), Argy et al.

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