| 脉冲涡流测厚技术理论与应用 |
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| 引用本文： | 吴鑫,李方奇,石坤,谢基龙,李浩. 脉冲涡流测厚技术理论与应用[J]. 北京交通大学学报(自然科学版), 2009, 33(1) |
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| 作者姓名： | 吴鑫 李方奇 石坤 谢基龙 李浩 |
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| 作者单位： | 北京交通大学机械与电子控制工程学院,北京,100044;中国特种设备检测研究院,北京,100013 |
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| 摘 要： | 脉冲涡流(PEC)检测技术是近些年来发展起来的新型无损检测技术,具有频谱宽、信号穿透能力强以及精确度高等优点.实验对脉冲涡流测厚系统建立了有限元分析模型,仿真分析检测线圈上电压的衰减规律,通过改变被测体厚度,分析了检测线圈上的电压随被测体厚度的变化规律和定量关系.实验最终给出检测线圈电压与被测体厚度关系的数学模型,并为将来进行脉冲涡流测厚仪的研制提供理论依据.
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| 关 键 词： | 无损检测 脉冲涡流 测厚 仿真 |
Theory and Application of Thickness Measurement Technique by Pulsed Eddy Current |
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| WU Xin,LI Fangqi,SHI Kun,XIE Jilong,LI Hao. Theory and Application of Thickness Measurement Technique by Pulsed Eddy Current[J]. JOURNAL OF BEIJING JIAOTONG UNIVERSITY, 2009, 33(1) |
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| Authors: | WU Xin LI Fangqi SHI Kun XIE Jilong LI Hao |
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| Affiliation: | 1.School of Mechanical and Electronic Control Engineering;Beijing Jiaotong University;Beijing 100044;China;2.China Special Equipment Inspection and Research Institute;Beijing 100013;China |
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| Abstract: | Pulsed eddy current(PEC) technique is a new nondestructive examination technology developed in recent years,which has quite a few advantages like wide spectrum,strong penetration,and high accuracy.This experiment established finite element model for the system of the metal thickness measurement of PEC,and analyzed the attenuation rule of the voltage in receiving coil.By changing the thickness of tested bodies,this paper investigated the relationship between the voltage of receiving coil and the thickness of... |
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| Keywords: | nondestructive examination pulsed eddy current thickness measurement simulation |
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