基于分量磁通的表面缺陷无损检测技术研究
Nondestructive Testing Technique for Surface Defects with Component of Magnetic Flux
摘 要
应用电磁场理论和有限元数值模拟技术，研制出了一种基于交变磁场分量测量技术的缺陷检出传感器和测量系统。通过扫查测量对象表面，就能够快速可靠地确定是否存在缺陷及定量缺陷大小。测量系统在实际工程上进行了应用尝试。
无损检测
分量磁通
集肤效应
Surface crack
Nondestructive testing
Component of magnetic flux
Skin effect
Abstract
A new kind of nondestructive test sensor and measuring system were developed based on the electromagnetic coupling numerical analysis technique, skin effect, and component magnetic flux. Through inspection by means of scanning on the surface of the object, defects and their sizes were found out by measuring the component of magnetic flux density. Some application examples in engineering were also introduced.
中图分类号 TG115.28
所属栏目 综 述
基金项目 国家机械工业先进制造技术中心工程研究中心基金资助项目(200105012)
收稿日期 2005/6/20
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备注刘 彤(1964~)，男，高级工程师，博士研究生，从事材料、结构疲劳断裂，有限元工程仿真，无损检测技术应用与仪器研制工作。
引用该论文: LIU Tong,LIU Min-shan,DONG Qi-wu,ZHANG Xiao-hui,TAO Ye. Nondestructive Testing Technique for Surface Defects with Component of Magnetic Flux[J]. Nondestructive Testing, 2006, 28(6): 306～309
刘 彤,刘敏珊,董其伍,张晓蕙,陶 冶. 基于分量磁通的表面缺陷无损检测技术研究[J]. 无损检测, 2006, 28(6): 306～309
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参考文献
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【3】无损检测学会.美国无损检测手册(电磁卷)［M］.上海：上海图书出版发行公司，1999.
【4】吴前驱，贺潜源，丁 伟.表面无损检验［M］.北京：水利电力出版社，1991.
【5】Jianwei Zhou, Dover William D. Electromagnetic induction in anisotropic half-space electromagnetic stress model［J］. J Appl Phys,1998,83(3):1694-1701.
【6】Dover WD. Crack shape evolution studies in threaded connections using ACFM［J］. Fatigue Engineering Materials and Structures,1982,5(4):349-353.
【7】Topp DA. The ACFM technique and its application to the inspection of oil and gas installations［J］. INSIGHT,1994,36(6):170-176.
【8】Connolly MP, Michael DH, Collins R. The Inverse of surface potential measurements to determine crack size and shape［J］. J Appl Phys,1988,64(5):2638-2647.
【9】Jianwei Zhou, Lugg Martin C, Collins R. A non-uniform model for alternating current field measurement of fatigue cracks in metals［J］. Int. J. of Applied Electromagnetics and Mechanics,1999,10:221-235.
【10】丁劲锋.漏磁旋转检测方法中信号红外无线传输方法的研究［J］.仪表技术与传感器,2002,8:45-47.
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