A new device that X-rays coatings on car body parts will help manufacturers ensure that vehicles are properly protected from corrosion. The machine flashes radiation onto the surface of body panels and measures the fluorescent emissions given off. Gaps or defects are then easily spotted, allowing manufacturers to ensure that protective coatings and layers of paint are properly applied to the surface.
The device, developed by Farnborough based company YSI (UK), known as the X-Met 970, can be used directly on-line in the car production plant. It only takes five seconds to work and is non-destructive so does not need to come into direct contact with the surface of the material being tested. This technique for measuring thin coatings is also safer than alternative methods as the operator is shielded from the radioactive source by a protective shutter. The steel and aluminium, and paper coating industries could also benefit from using this instrument.
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