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Quantitative Nondestructive Evaluation of the Aluminum Alloy Using the Sheet Type Induced Current and the Single Sensor Scanning

机译：片状感应电流和单传感器扫描对铝合金的定量无损评估

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摘要

Single sensor scanning (hereafter SSS) used to inspect cracks on paramagnetic materials can measure the distribution of the root mean squared value (RMS) of the magnetic field around crack tips quantitatively when sheet type current is induced on the specimen. The vertical direction magnetic field alternates to the surface of the crack tips because the sheet type induced current on the specimen is distorted by the existence of the crack in an SSS system. The RMS distribution of the magnetic field, which can be measured by using SSS, depends on the crack size and shape, so it can be used to evaluate a crack size quantitatively. An algorithm of quantitative nondestructive testing and evaluation of cracks of various shapes and sizes on the aluminum alloy, A17075 is proposed in this paper.
机译：当在样品上感应出片状电流时，用于检查顺磁性材料上的裂纹的单传感器扫描（以下称为SSS）可以定量测量裂纹尖端周围磁场的均方根（RMS）分布。垂直方向的磁场与裂纹尖端的表面交变，这是因为在SSS系统中，裂纹的存在使试样上的片状感应电流变形。可以使用SSS进行测量的磁场RMS分布取决于裂纹的大小和形状，因此可以用于定量评估裂纹的大小。本文提出了一种铝合金上各种形状和尺寸的裂纹的定量无损检测和评估算法，A17075。

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  • 来源
    《Key Engineering Materials》 |2010年第2010期|641-644|共4页
  • 作者

    Jongwoo Jun; Jinyi Lee; Kisu Shin; Jungho Hong;

  • 作者单位

    Department of Information and Communication Engineering, Graduate School of Chosun University, 375, Seosuk-dong, Dong-gu, Gwangju 501-759, Republic of Korea;

    Department of Control, Instrumentation and Robot Engineering, Chosun University, 375 Seosuk-dong, Dong-gu, Gwangju 501-759, Republic of Korea;

    Department of Weapon Systems, Korea National Defense University,205, Susaek-dong,Eunpyeong-gu, Seoul, 412-706, Republic of Korea;

    Department of Weapon Systems, Korea National Defense University,205, Susaek-dong,Eunpyeong-gu, Seoul, 412-706, Republic of Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    paramagnetic material; nondestructive testing; magnetic flux leakage; sheet type induced current; cracks;

    机译：顺磁性材料非破坏性测试;漏磁片状感应电流裂缝;

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