Application: Eddy Current Testing

Application: Eddy Current Testing

Due to the skin effect of eddy currents, eddy current testing can only be used to find defects on the surface and near surfaces of metal workpieces. However, due to its simplicity, it does not require coupling and easy to achieve high-speed automatic detection, eddies current testing in metal materials and parts can also be used for a maintenance inspection. 


Some mechanical products have special working conditions (such as high temperature and high pressure). , working at high speed), fatigue cracks and corrosion cracks are often generated during use. Although these defects are effective for magnetic particle detection, penetration detection, etc., the eddy current method is not only sensitive to these defects but also can be applied to parts coated with paint and epoxy, as well as to the hole area and the thread groove. At the end of the inspection, cracks in the structural parts of the metal skin were also found, which was taken seriously in the maintenance industry.


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