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基于脉冲漏磁的缺陷量化评估

许鹏, 黄俊, 朱励历

许鹏, 黄俊, 朱励历. 基于脉冲漏磁的缺陷量化评估[J]. 无损检测, 2015, 37(10): 47-50. DOI: 10.11973/wsjc201510011
引用本文: 许鹏, 黄俊, 朱励历. 基于脉冲漏磁的缺陷量化评估[J]. 无损检测, 2015, 37(10): 47-50. DOI: 10.11973/wsjc201510011
XU Peng, HUANG Jun, ZHU Li-li. The Method of Defect Quantitative Estimation Based on Pulsed Magnetic Flux Leakage[J]. Nondestructive Testing, 2015, 37(10): 47-50. DOI: 10.11973/wsjc201510011
Citation: XU Peng, HUANG Jun, ZHU Li-li. The Method of Defect Quantitative Estimation Based on Pulsed Magnetic Flux Leakage[J]. Nondestructive Testing, 2015, 37(10): 47-50. DOI: 10.11973/wsjc201510011

基于脉冲漏磁的缺陷量化评估

基金项目: 

江苏省自然科学基金青年基金资助项目(BK20130794)

教育部博士点基金资助项目(20123218120016)

中央高校基本科研业务费青年科技创新基金资助项目(NS2014034)

中央高校基本科研业务费专项资金资助项目(NS2012042)

详细信息
    作者简介:

    许鹏 (1980-), 男, 副教授, 主要研究方向为无损检测。

  • 中图分类号: TG115.28

The Method of Defect Quantitative Estimation Based on Pulsed Magnetic Flux Leakage

  • 摘要: 脉冲漏磁检测是一种以脉冲信号作为激励源的漏磁无损检测新方法, 广泛应用于钢材等铁磁性材料的检测中。分析了基于霍尔传感器的脉冲漏磁检测方法, 并搭建了脉冲漏磁检测系统, 应用Labview开发软件设计了检测平台, 用于采集在脉冲激励下传感器检测裂纹缺陷的漏磁信号。通过试验检测了多个加工有不同裂纹缺陷的钢板样本, 根据检测信号的峰值大小和峰-峰值间距对缺陷的宽度和深度参数进行了有效的量化评估。
    Abstract: Pulsed magnetic flux leakage testing is a new magnetic leakage flux nondestructive testing method which regards the pulse signal as an excitation source. Recently it has been widely used in the testing of ferromagnetic materials such as steel to promise the security of production and transmission, so that the economic loses can be cut down. In this paper, a pulsed magnetic flux leakage testing method based on hall sensor is proposed and a system of pulsed magnetic flux leakage testing is built up. Furthermore, a testing platform based on Labview is designed to collect magnetic flux leakage signals of the crack defects by sensor under pulse excitation. Several plate samples with different machining crack defects are tested through experiments. In the experiment, quantitative estimations of width and depth parameters of crack defects based on peak values and peak-peak values of the detected signals are conducted.
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出版历程
  • 收稿日期:  2015-01-17
  • 刊出日期:  2015-10-09

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