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Automated visualization of surface morphology of cracks by means of induced current potential drop technique

机译：通过感应电流电势下降技术自动可视化裂缝的表面形态

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摘要

This paper presents the applicability of induced current potential drop technique to visualize surface morphology of multiple and/or branched cracks. Measurements of potential drop (PD) were performed around intergranular stress corrosion cracks. Data analysis software to extract crack locations from the PD data was developed. The usefulness of the software was investigated by comparing the analyzed results with a photo of the measured crack. The analyzed crack morphology showed good agreement with the photo of the crack though small crack located near greater cracks was not extracted. Moreover, a small crack, which was difficult to be identified from the photo of the crack, was identified with this software.
机译：本文介绍了感应电流电位降技术在可视化多个和/或分支裂纹的表面形态方面的适用性。围绕晶间应力腐蚀裂纹进行了电位降（PD）的测量。开发了用于从PD数据中提取裂纹位置的数据分析软件。通过将分析结果与测得的裂纹照片进行比较，研究了该软件的实用性。尽管未提取出位于较大裂纹附近的小裂纹，但所分析的裂纹形态与裂纹照片显示出良好的一致性。此外，使用此软件可以识别出很难从裂纹照片识别出的小裂纹。

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  • 来源
    《NDT & E international》 |2012年第2012期|p.83-89|共7页
  • 作者

    Yasumoto Sato; Naomi Kawaguchi; Natsuki Ogura; Tsunaji Kitayama;

  • 作者单位

    Research Instruments Development Division, Toyota Central R&D Labs., Inc. 41-1, Yokomkhi, Nagakute-city, Aichi-ken 480-1192, Japan;

    Research Instruments Development Division, Toyota Central R&D Labs., Inc. 41-1, Yokomkhi, Nagakute-city, Aichi-ken 480-1192, Japan;

    Research Instruments Development Division, Toyota Central R&D Labs., Inc. 41-1, Yokomkhi, Nagakute-city, Aichi-ken 480-1192, Japan;

    Research Instruments Development Division, Toyota Central R&D Labs., Inc. 41-1, Yokomkhi, Nagakute-city, Aichi-ken 480-1192, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    visualization; surface morphology; stress corrosion crack; potential drop technique;

    机译：可视化表面形态应力腐蚀裂纹;电位降技术;

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