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文章名称：A Novel High Sensitivity Sensor for Remote Field Eddy Current Non-Destructive Testing Based on Orthogonal Magnetic Field 期刊名称：Sensors 卷期：2014, 14(12) doi：10.3390/s141224098 作者：Xiaojie Xu 非常感谢！！！ |
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8楼2015-02-22 18:49:52
baiyuefei
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2楼2015-02-22 18:40:21
baiyuefei
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A Novel High Sensitivity Sensor for Remote Field Eddy Current Non-Destructive Testing Based on Orthogonal Magnetic Field 作者:Xu, XJ (Xu, Xiaojie)[ 1 ] ; Liu, M (Liu, Ming)[ 1 ] ; Zhang, ZB (Zhang, Zhanbin)[ 1 ] ; Jia, YL (Jia, Yueling)[ 2 ] SENSORS 卷: 14 期: 12 页: 24098-24115 DOI: 10.3390/s141224098 出版年: DEC 2014 查看期刊信息 SENSORS JCR® 类别 JCR 分区 CHEMISTRY, ANALYTICAL Q2 ELECTROCHEMISTRY Q3 INSTRUMENTS & INSTRUMENTATION Q1 数据来自第 2013 版 Journal Citation Reports® 出版商 MDPI AG, POSTFACH, CH-4005 BASEL, SWITZERLAND ISSN: 1424-8220 研究领域 Chemistry Electrochemistry Instruments & Instrumentation 摘要 Remote field eddy current is an effective non-destructive testing method for ferromagnetic tubular structures. In view of conventional sensors' disadvantages such as low signal-to-noise ratio and poor sensitivity to axial cracks, a novel high sensitivity sensor based on orthogonal magnetic field excitation is proposed. Firstly, through a three-dimensional finite element simulation, the remote field effect under orthogonal magnetic field excitation is determined, and an appropriate configuration which can generate an orthogonal magnetic field for a tubular structure is developed. Secondly, optimized selection of key parameters such as frequency, exciting currents and shielding modes is analyzed in detail, and different types of pick-up coils, including a new self-differential mode pick-up coil, are designed and analyzed. Lastly, the proposed sensor is verified experimentally by various types of defects manufactured on a section of a ferromagnetic tube. Experimental results show that the proposed novel sensor can largely improve the sensitivity of defect detection, especially for axial crack whose depth is less than 40% wall thickness, which are very difficult to detect and identify by conventional sensors. Another noteworthy advantage of the proposed sensor is that it has almost equal sensitivity to various types of defects, when a self-differential mode pick-up coil is adopted. 关键词 作者关键词:non-destructive testing; remote field eddy current; sensor; orthogonal magnetic field; finite element simulation KeyWords Plus:COIL; INSPECTION; CRACKS 作者信息 通讯作者地址: Xu, XJ (通讯作者) Air Force Engn Univ, Sch Informat & Nav, Xian 710077, Peoples R China. 地址: [ 1 ] Air Force Engn Univ, Sch Informat & Nav, Xian 710077, Peoples R China [ 2 ] Air Force Engn Univ, Sch Equipment Management & Safety Engn, Xian 710077, Peoples R China 电子邮件地址:dr_xxj@163.com; lming0601@163.com; zzbin@163.com; jyl1974@126.com 基金资助致谢 基金资助机构 授权号 Chinese National Natural Science Fund 51107148 Natural Science Foundation of Shaanxi Province 2011JQ7006 查看基金资助信息关闭基金资助信息 This work was support by The Chinese National Natural Science Fund (51107148) and The Natural Science Foundation of Shaanxi Province (2011JQ7006). 出版商 MDPI AG, POSTFACH, CH-4005 BASEL, SWITZERLAND 类别 / 分类 研究方向:Chemistry; Electrochemistry; Instruments & Instrumentation Web of Science 类别:Chemistry, Analytical; Electrochemistry; Instruments & Instrumentation 文献信息 文献类型:Article 语种:English 入藏号: WOS:000346794300094 PubMed ID: 25615738 ISSN: 1424-8220 期刊信息 Impact Factor (影响因子): Journal Citation Reports® 其他信息 IDS 号: AX2SK Web of Science 核心合集中的 "引用的参考文献": 23 Web of Science 核心合集中的 "被引频次": 0 |
3楼2015-02-22 18:41:02
baiyuefei
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4楼2015-02-22 18:41:12
