Abstract The design and study of pulsed eddy current sensors for detecting surface defects in small-diameter rods are highly significant.
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Design and Study of Pulsed Eddy Current Sensor for Detecting Surface Defects in Small-Diameter Bars.
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The sentences
The differential signal amplitude of the plate is greater than that of the bar before the Bdif moment, and the differential signal amplitude of the plate is smaller than that of the bar after the B dif moment, as shown in Figure 8 , and the attenuation speed of the differential signal of the plate shows an increasing trend.