Magneto-Optical Imaging Detection and Reconstruction of Complex-Shaped Weld Defects
Journal of Physics: Conference Series(2021)
摘要
Abstract To research the feasibility of magneto-optical imaging (MOI) in detecting small and complex defects and to explore the imaging process of MOI detection, the MOI system is used to detect defects with small and complex shapes. And the magnetic field energy accumulation of defects is simulated by Maxwell 3D. Finally, the defect profile is reconstructed according to the magnetic field distribution obtained. Research results show that the reconstructed defect images are basically consistent with the actual magneto-optical images. And there is special magnetic field energy accumulation at the intersection point, inflection point and end point of the complex-shaped defects. MOI is feasible in the detection of complex shapes, and the simulated imaging method has a certain theoretical assistance for MOI detection.
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关键词
Defect Detection,Damage Detection,Composite Structures,Feature Extraction,Material Characterization
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