Electrical Conductivity Testing Using Eddy Current Method
Electrical Conductivity Testing Using Eddy Current Method by Ravi Kumar Thammana Introduction Electrical conductivity measurement can be done using Eddy current testing. This method gives good results for non magnetic materials. Works well with digital readout equipment or general purpose eddy current equipment. Among all NDT testing methods eddy current has more wider applications. Apart from flaw detection, eddy current testing can be used for material sorting, hardness, heat treatment, pain thickness, conductive coating thickness on non conductive materials. Eddy current test method for detecting conductivity is applicable for non-ferromagnetic materials such as aluminium, titanium, magnesium, copper and other metals. Measurement can be performed on the materials that contains non conductive coating. Material sorting using Eddy current testing is an effective method to segregate materials based on alloy type, ageing, heat treatment micro structures hot or cold wo...
