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Title: Depth of penetration effects in eddy current testing
Authors: Majidnia, S
Rudlin, J
Nilavalan, R
Keywords: Depth of penetration equation;Eddy currents;Laser metal deposition;Copper;Aluminium
Issue Date: 2012
Publisher: British Institute of Non-Destructive Testing
Citation: 51st Annual Conference of the British Institute of Non-Destructive Testing, Daventry, UK, 11 - 13 September 2012
Abstract: The simple depth of penetration equation used for most eddy current calculations does not take into account the effect of the size of the coil or the effect of flaw morphology. The work described in this paper describes use of the CIVA eddy current model to investigate this effect and some experimental investigations. Knowledge of this effect is important in examination of thin sections with eddy currents. Two examples of this are the small sections required to be inspected in laser metal deposition, and welds in thin sections joining dissimilar metals such as copper and aluminium for electrical connections.
Appears in Collections:Electronic and Computer Engineering
Dept of Electronic and Computer Engineering Research Papers

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