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System for evaluating weld quality using eddy currents

United States Patent

9,839,979
December 12, 2017
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
Electromagnetic and eddy current techniques for fast automated real-time and near real-time inspection and monitoring systems for high production rate joining processes. An eddy current system, array and method for the fast examination of welds to detect anomalies such as missed seam (MS) and lack of penetration (LOP) the system, array and methods capable of detecting and sizing surface and slightly subsurface flaws at various orientations in connection with at least the first and second weld pass.
Todorov; Evgueni I. (Dublin, OH), Hay; Jacob (Circleville, OH)
Edison Welding Institute, Inc. (Columbus, OH)
14/ 978,747
December 22, 2015
STATEMENT REGARDING FEDERALLY-FUNDED RESEARCH This invention was made with government support under Subcontract No. 00132415 issued by Battelle Energy Alliance operating under U.S. Government Contract No. DE-AC07-05ID14517 awarded by the United States Department of Energy. The government has certain rights in the invention.