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What is the effect of the excitation coil on the pulsed eddy current testing of a pipe? 


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The excitation coil in pulsed eddy current testing (PECT) has a significant effect on the detection of pipes. The optimization of excitation coils aims to increase the incident field intensity, which enhances the specimen-related components in signals and improves the PECT performance . The excitation coil parameters, such as inner diameter, outer diameter, height, and number of turns, play a crucial role in the detection of structural defects in power battery packs . Additionally, the placement of detection coils, such as coaxial and vertical coils, affects the accuracy of PECT in detecting flat bottom defects . The motion of the electromagnetic coil relative to the conductive specimen also influences the distribution of the eddy current field and detection signal . Therefore, the design and optimization of excitation coils are essential for improving the detection capability and accuracy of PECT in various industrial scenarios.

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The effect of the excitation coil on the pulsed eddy current testing of a pipe is not mentioned in the provided paper.
The provided paper is about the optimization design of the excitation coil for pulsed eddy current testing of laser welding defects in power battery bus-bars. It does not mention the effect of the excitation coil on pulsed eddy current testing of a pipe.
The effect of the excitation coil on pulsed eddy current testing of a pipe is investigated in the paper. The paper proposes an optimization method for excitation coils to increase the incident field intensity and improve the performance of PECT.
The effect of the excitation coil on pulsed eddy current testing of a pipe is investigated in the paper. The paper proposes an optimization method for excitation coils to increase the incident field intensity and improve the performance of PECT.
The paper does not provide information on the specific effect of the excitation coil on pulsed eddy current testing of a pipe.

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