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首页> 外文会议>ASME international pipeline conference 2008 >ELECTRIC RESISTANCE WELDED SEAM INSPECTION USING CIRCUMFERENTIAL FLUX
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ELECTRIC RESISTANCE WELDED SEAM INSPECTION USING CIRCUMFERENTIAL FLUX

机译：使用周向通量的电阻焊缝检查

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摘要

For conventional magnetic flux leakage (MFL) inspection where an excitation magnetic field is generated in the axial direction of a pipeline, axially oriented crack detection is impossible [1][2]. A new MFL tool design is presented that creates an excitation field in the circumferential or transverse1 direction, allowing for axial crack detection, as well as the more conventional metal loss detection. Design criteria that ensure detection include sufficient sensor density and magnetic field uniformity at sensor locations. The result is a new type of circumferential MFL inspection tool that can not only detect corrosion and other metal losses, but also axially oriented cracks. Based on the results of a series of inspection runs 22 crack-like features in the electric resistance weld (ERW) were investigated with 19 of those being verified as linear long seam features and were subsequently permanently repaired. Further information on the efficacy of this design is clarified in [2].
机译：对于在管道轴向上产生激励磁场的常规磁通量泄漏（MFL）检查，轴向检测裂纹是不可能的[1] [2]。提出了一种新的MFL工具设计，该工具在圆周方向或横向方向上创建了一个激发场，从而可以进行轴向裂纹检测以及更常规的金属损耗检测。确保检测的设计标准包括足够的传感器密度和传感器位置处的磁场均匀性。结果是一种新型的圆周MFL检测工具，它不仅可以检测腐蚀和其他金属损失，还可以检测轴向裂纹。根据一系列检查的结果，对电阻焊（ERW）中的22个裂纹状特征进行了研究，其中19个被验证为线性长缝特征，并随后进行了永久性修复。在[2]中阐明了有关该设计功效的更多信息。

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  • 来源
  • 会议地点 Calgary(CA);Calgary(CA);Calgary(CA)
  • 作者

    Natalia K. Nikolova; Duane Cronin; Sabir M. Pasha; Reza K. Amineh; Ian Smith; Ron Thompson; James R. Hare;

  • 作者单位

    Department of Electrical and Computer Engineering, McMaster University Hamilton, ON, Canada;

    Department of Mechanical Engineering University of Waterloo Waterloo, ON, Canada;

    Intratech Inline Inspection Services Ltd. Mississauga, ON, Canada;

    Department of Electrical and Computer Engineering, McMaster University Hamilton, ON, Canada;

    Sun-Canadian Pipeline Company Ltd. Waterdown, ON, Canada;

    Intratech Inline Inspection Services Ltd. Mississauga, ON, Canada;

    Intratech Inline Inspection Services Ltd. Mississauga, ON, Canada;

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