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首页> 外文会议>AASRI International Conference on Industrial Electronics and Applications >Research on E-shape Magnetic Core Based Self-differential Mode pick-up Coil and Its Application for Fine Crack Non-destructive Testing
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Research on E-shape Magnetic Core Based Self-differential Mode pick-up Coil and Its Application for Fine Crack Non-destructive Testing

机译：电子形磁芯自差动模式拾取线圈的研究及其对细裂纹非破坏性测试的应用

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摘要

Remote field eddy current was proved to be an effective non-destructive testing method for tubular structure such as tubes and pipes. Further applications of remote field eddy current testing were restricted by disadvantages such as weak signal, over-long sensor, and poor ability to detect fine crack especially axial crack. Differential mode pick-up coil could make up the disadvantages to some extent. On the basis of analyzing advantages and disadvantages of conventional differential mode pick-up coil, a self-differential mode pick-up coil based on E-shape magnetic was proposed and verified by simulation and experiment. Conclusions could be deduced by simulation and experiment results: the performance of remote field eddy current could be improved significantly by using self-differential mode pick-up coil, and adverse effect which conventional differential mode usually brought could be avoided.
机译：被证明远程场涡流被证明是管状结构的有效的非破坏性测试方法，如管和管道。 远程现场涡流测试的进一步应用受到弱势信号，过度传感器的缺点，以及检测细裂纹的能力差，尤其是轴向裂缝的缺点限制。 差分模式拾取线圈可以在一定程度上占据缺点。 在分析传统差分模式拾取线圈的优点和缺点的基础上，通过模拟和实验提出并验证了基于E形磁磁的自差动模式拾取线圈。 可以通过模拟和实验结果推断出结论：通过使用自差动模式拾取线圈可以显着提高远程场涡流的性能，以及通常可以避免传统差分模式的不利影响。

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