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In this paper, based on the principle of electromagnetic induction, eddy current infrared thermal imaging technology is used to detect steel plates with defects, and the temperature distribution diagram of steel plates is obtained. Through the experimental study, it can be seen that the temperature distribution of steel plate without defect is uniform temperature band, while the temperature distribution of steel plate with groove defect has obvious fluctuation. The location, shape, size and other information of defects can be obtained through the analysis of temperature map changes, especially the top position of defects, which is of great significance for detecting defects and their development trend.

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Experimental Study on Defect Detection of Steel Plates Using Eddy Current Infrared Thermal Imaging Technology

  • 章节

  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • Rui Ma,
  • Ning An,
  • Peng Dong

摘要

In this paper, based on the principle of electromagnetic induction, eddy current infrared thermal imaging technology is used to detect steel plates with defects, and the temperature distribution diagram of steel plates is obtained. Through the experimental study, it can be seen that the temperature distribution of steel plate without defect is uniform temperature band, while the temperature distribution of steel plate with groove defect has obvious fluctuation. The location, shape, size and other information of defects can be obtained through the analysis of temperature map changes, especially the top position of defects, which is of great significance for detecting defects and their development trend.