Method of and apparatus for detecting corrosion utilizing infrar

Details Method of and apparatus for detecting corrosion utilizing infrar Method of and apparatus for detecting corrosion utilizing infrar

1984-07-09

1987-03-03

Frankfort, Charles

Thermal measuring and testing

Leak or flaw detection

With heating or cooling of specimen for test

374 57, 374124, 374137, G01N 2572, G01N 1700

Patent

active

046472207

ABSTRACT:
A method and apparatus for the non-destructive identification and location of subcoating corrosion on a coated metal surface employing infrared thermography. The apparatus comprises a heat source for directing pulsed infrared radiation onto a test surface; a scanner for scanning the test surface for infrared radiation being emitted therefrom; a detector for capturing said emitted radiation and converting it into a signal representative of the thermal characteristics of the surface; and video display apparatus for visually displaying the signal as a thermal map of the surface. The method comprises the steps irradiating a test surface and detecting temperature differentials that occur on the irradiated surface.

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