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Yang Wang,et al., published “Synthetic Magnetic Field Imaging with Triangle Excitation Coil for Inspection of Any Orientation Defect” on IEEE Transactions on Instrumentation and Measurement on March 29th,2019.

Release time:2020-09-20
Yang Wang,et al., published “Synthetic Magnetic Field Imaging with Triangle Excitation Coil for Inspection of Any Orientation Defect” on IEEE Transactions on Instrumentation and Measurement at March 29, 2019. In this paper, a novel probe with right-angle triangle excitation coil and two tunneling magnetoresistance (TMR) sensor arrays is proposed to detect any orientation defect that deep embedded under rivet head in multilayer riveted structure. Experiment results show that the proposed probe is capable of detecting defects in any direction. The signal processing algorithm highlights the defect information. The orientation angle of the defect can be estimated from the synthetic image.