Conference Proceedings Paper
PULSED EDDY CURRENT RESPONSE TO MAGNETITE AT BROACH SUPPORTS IN STEAM GENERATORS
39th Annual CNS-CNA Student Conference - 2015 June 01
S. Mokros (Royal Military College of Canada)
J. Buck (Royal Military College of Canada)
P. R. Underhill (Royal Military College of Canada)
J. Morelli (Queen's University)
T. Krause (Royal Military College of Canada)
Detection of corrosion and build up of corrosion products, such as magnetite, in CANDU® Steam Generators (SGs) at tube supports is critical for monitoring of SG condition. A Pulsed Eddy Current (PEC) probe has been developed to enhance SG inspection at support structures. The PEC probe demonstrated capability to detect magnetite at simulated broach support structures. Results were used to validate Finite Element Method (FEM) modeling of PEC signal response to magnetite. The validated FEM model can be used to further explore effects of magnetite on PEC probe responses.
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