This paper presents the application of electromagnetic coupled spiral inductors for the non-destructive evaluation of carbon-fibre reinforced polymer (CFRP) plates. Three types of representative damage in carbon fibre composites are evaluated, i.e. barely visible impact damage (BVID), subsurface defects and internal micro-cracks. This work indicates that the size and location of the subsurface defects can be quantitatively assessed from the signal data acquisition.
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Li et al. (2015) studied this question.
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