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凝汽器不锈钢管双频涡流检测缺陷信号分析

黄桥生, 邹建伟, 沈丁杰

黄桥生, 邹建伟, 沈丁杰. 凝汽器不锈钢管双频涡流检测缺陷信号分析[J]. 无损检测, 2012, 34(1): 37-40.
引用本文: 黄桥生, 邹建伟, 沈丁杰. 凝汽器不锈钢管双频涡流检测缺陷信号分析[J]. 无损检测, 2012, 34(1): 37-40.
HUANG QiaoSheng, ZOU JianWei, SHEN DingJie. Defect Signal Analysis on Stainless Steel Tube of Condenser by DoubleFrequency Eddy Current Testing[J]. Nondestructive Testing, 2012, 34(1): 37-40.
Citation: HUANG QiaoSheng, ZOU JianWei, SHEN DingJie. Defect Signal Analysis on Stainless Steel Tube of Condenser by DoubleFrequency Eddy Current Testing[J]. Nondestructive Testing, 2012, 34(1): 37-40.

凝汽器不锈钢管双频涡流检测缺陷信号分析

详细信息
    作者简介:

    黄桥生(1980-),男,工程师,从事电厂金属受监部件检验、焊接与事故分析。

  • 中图分类号: TG115.28

Defect Signal Analysis on Stainless Steel Tube of Condenser by DoubleFrequency Eddy Current Testing

  • 摘要: 介绍了凝汽器不锈钢管常见缺陷与双频涡流检测阻抗信号间的关系。阐述了双频涡流检测技术的原理。通过试验分析,比较了各种缺陷信号间的差异,结合现场应用中缺陷信号的特征,得出阻抗信号参数与缺陷性质具有紧密关系的结论。试验分析结果不仅对同类型非铁磁性凝汽器管的涡流检测具有指导意义,也对进一步开展双频涡流检测的理论研究和实际应用具有很好的参考价值。
    Abstract: The relationships between defects of stainless steel tube of condenser and signal by doublefrequency eddy current test were introduced. By expounding the theory for doublefrequency eddy current test, and comparing the differences of these defect signals, combining with the application characteristics of defects signal, the closed relationships between common defect and impedance signal was put forward. The analysis results will guide significance of eddy current testing to the same type of condenser tube, also have a very good reference value for the further development of the theory of doublefrequency eddy current testing and practical application.
  • [1] 邹建伟.双频涡流技术在冷凝器铜管检测中的应用[J].湖南电力技术,1992(3):31-36.
    [2] 沈建民,邱法聚,王小华.奥氏体不锈钢换热器管的涡流检测[J].无损检测,2008,30(8):548-549.
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出版历程
  • 收稿日期:  2011-03-22
  • 刊出日期:  2012-01-09

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