A Novel Leakage Magnetic Field Enhancement Method Based on Permeability Perturbation
The magnetic flux leakage (MFL) testing method is widely applied in detecting ferromagnetic materials, such as steel pipes. In order to protect the magnetic sensor, nonferromagnetic wear-resistant materials are placed between the sensor and the tested workpiece by conventional MFL. However, the leak...
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| creator | Wang, Rongbiao Tang, Jian Yu, Haozhi Feng, Bo Kang, Yihua Song, Kai |
| description | The magnetic flux leakage (MFL) testing method is widely applied in detecting ferromagnetic materials, such as steel pipes. In order to protect the magnetic sensor, nonferromagnetic wear-resistant materials are placed between the sensor and the tested workpiece by conventional MFL. However, the leakage magnetic field (LMF) decays exponentially in the air, reducing the sensitivity. To improve the sensitivity of MFL, a novel approach for enhancing the LMF based on permeability perturbation is proposed in this article. The ferromagnetic materials are used as the medium between the sensor and the workpiece. The ferromagnetic medium generates a magnetic permeability perturbation area under the effect of the LMF, changing the magnetic reluctance in this local area. The difference in the magnetic reluctance in the medium influences the magnetizing field, and an additional LMF is formed, which enhances the LMF. Experiments found that the enhancement effects of different magnetic mediums with different magnetic characteristics were different. Different materials' enhancement mechanism was analyzed by considering the saturated magnetization. Compared with conventional MFL, the method proposed in this article can increase the LMF and improve the sensitivity of MFL. |
| doi_str_mv | 10.1109/TIM.2023.3338672 |
| format | Article |
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In order to protect the magnetic sensor, nonferromagnetic wear-resistant materials are placed between the sensor and the tested workpiece by conventional MFL. However, the leakage magnetic field (LMF) decays exponentially in the air, reducing the sensitivity. To improve the sensitivity of MFL, a novel approach for enhancing the LMF based on permeability perturbation is proposed in this article. The ferromagnetic materials are used as the medium between the sensor and the workpiece. The ferromagnetic medium generates a magnetic permeability perturbation area under the effect of the LMF, changing the magnetic reluctance in this local area. The difference in the magnetic reluctance in the medium influences the magnetizing field, and an additional LMF is formed, which enhances the LMF. Experiments found that the enhancement effects of different magnetic mediums with different magnetic characteristics were different. Different materials' enhancement mechanism was analyzed by considering the saturated magnetization. Compared with conventional MFL, the method proposed in this article can increase the LMF and improve the sensitivity of MFL.</description><identifier>ISSN: 0018-9456</identifier><identifier>EISSN: 1557-9662</identifier><identifier>DOI: 10.1109/TIM.2023.3338672</identifier><identifier>CODEN: IEIMAO</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Ferromagnetic materials ; Ferromagnetic substrate ; leakage magnetic field (LMF) ; Magnetic fields ; Magnetic flux ; Magnetic flux leakage testing ; Magnetic noise ; Magnetic permeability ; Magnetic properties ; Magnetic shielding ; Magnetization ; Permeability ; permeability perturbation ; Perturbation ; Reluctance ; saturated magnetization ; Saturation magnetization ; Sensitivity ; Sensors ; Steel pipes ; Substrates ; Wear resistance ; Workpieces</subject><ispartof>IEEE transactions on instrumentation and measurement, 2024, Vol.73, p.1-11</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2024</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c245t-34fe05befc71f45ce0269b3f4d090bf352e1a1eee0925d60b5282366b0e7bbdd3</cites><orcidid>0000-0002-5339-1522 ; 0000-0001-9658-209X ; 0000-0003-3169-7157 ; 0000-0003-2622-4769 ; 0009-0009-3305-7904 ; 0000-0002-1057-3932</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/10339367$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,4024,27923,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/10339367$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Wang, Rongbiao</creatorcontrib><creatorcontrib>Tang, Jian</creatorcontrib><creatorcontrib>Yu, Haozhi</creatorcontrib><creatorcontrib>Feng, Bo</creatorcontrib><creatorcontrib>Kang, Yihua</creatorcontrib><creatorcontrib>Song, Kai</creatorcontrib><title>A Novel Leakage Magnetic Field Enhancement Method Based on Permeability Perturbation</title><title>IEEE transactions on instrumentation and measurement</title><addtitle>TIM</addtitle><description>The magnetic flux leakage (MFL) testing method is widely applied in detecting ferromagnetic materials, such as steel pipes. In order to protect the magnetic sensor, nonferromagnetic wear-resistant materials are placed between the sensor and the tested workpiece by conventional MFL. However, the leakage magnetic field (LMF) decays exponentially in the air, reducing the sensitivity. To improve the sensitivity of MFL, a novel approach for enhancing the LMF based on permeability perturbation is proposed in this article. The ferromagnetic materials are used as the medium between the sensor and the workpiece. The ferromagnetic medium generates a magnetic permeability perturbation area under the effect of the LMF, changing the magnetic reluctance in this local area. The difference in the magnetic reluctance in the medium influences the magnetizing field, and an additional LMF is formed, which enhances the LMF. Experiments found that the enhancement effects of different magnetic mediums with different magnetic characteristics were different. Different materials' enhancement mechanism was analyzed by considering the saturated magnetization. Compared with conventional MFL, the method proposed in this article can increase the LMF and improve the sensitivity of MFL.</description><subject>Ferromagnetic materials</subject><subject>Ferromagnetic substrate</subject><subject>leakage magnetic field (LMF)</subject><subject>Magnetic fields</subject><subject>Magnetic flux</subject><subject>Magnetic flux leakage testing</subject><subject>Magnetic noise</subject><subject>Magnetic permeability</subject><subject>Magnetic properties</subject><subject>Magnetic shielding</subject><subject>Magnetization</subject><subject>Permeability</subject><subject>permeability perturbation</subject><subject>Perturbation</subject><subject>Reluctance</subject><subject>saturated magnetization</subject><subject>Saturation magnetization</subject><subject>Sensitivity</subject><subject>Sensors</subject><subject>Steel pipes</subject><subject>Substrates</subject><subject>Wear resistance</subject><subject>Workpieces</subject><issn>0018-9456</issn><issn>1557-9662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkMFPwjAUxhujiYjePXho4nn42q7dekQCSgLqAc9Nu71BcWzYFRP-e0fw4OnlJb_v-5IfIfcMRoyBflrNlyMOXIyEELnK-AUZMCmzRCvFL8kAgOWJTqW6JjddtwWATKXZgKzG9K39wZou0H7ZNdKlXTcYfUFnHuuSTpuNbQrcYRPpEuOmLemz7bCkbUM_MOzQOl_7eDw98RCcjb5tbslVZesO7_7ukHzOpqvJa7J4f5lPxouk4KmMiUgrBOmwKjJWpbJA4Eo7UaUlaHCVkByZZYgImstSgZM850IpB5g5V5ZiSB7PvfvQfh-wi2bbHkLTTxquIVWZyCX0FJypIrRdF7Ay--B3NhwNA3NyZ3p35uTO_LnrIw_niO_X_-FCaNG3_gIykGpn</recordid><startdate>2024</startdate><enddate>2024</enddate><creator>Wang, Rongbiao</creator><creator>Tang, Jian</creator><creator>Yu, Haozhi</creator><creator>Feng, Bo</creator><creator>Kang, Yihua</creator><creator>Song, Kai</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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In order to protect the magnetic sensor, nonferromagnetic wear-resistant materials are placed between the sensor and the tested workpiece by conventional MFL. However, the leakage magnetic field (LMF) decays exponentially in the air, reducing the sensitivity. To improve the sensitivity of MFL, a novel approach for enhancing the LMF based on permeability perturbation is proposed in this article. The ferromagnetic materials are used as the medium between the sensor and the workpiece. The ferromagnetic medium generates a magnetic permeability perturbation area under the effect of the LMF, changing the magnetic reluctance in this local area. The difference in the magnetic reluctance in the medium influences the magnetizing field, and an additional LMF is formed, which enhances the LMF. Experiments found that the enhancement effects of different magnetic mediums with different magnetic characteristics were different. Different materials' enhancement mechanism was analyzed by considering the saturated magnetization. Compared with conventional MFL, the method proposed in this article can increase the LMF and improve the sensitivity of MFL.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIM.2023.3338672</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-5339-1522</orcidid><orcidid>https://orcid.org/0000-0001-9658-209X</orcidid><orcidid>https://orcid.org/0000-0003-3169-7157</orcidid><orcidid>https://orcid.org/0000-0003-2622-4769</orcidid><orcidid>https://orcid.org/0009-0009-3305-7904</orcidid><orcidid>https://orcid.org/0000-0002-1057-3932</orcidid></addata></record> |
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| subjects | Ferromagnetic materials Ferromagnetic substrate leakage magnetic field (LMF) Magnetic fields Magnetic flux Magnetic flux leakage testing Magnetic noise Magnetic permeability Magnetic properties Magnetic shielding Magnetization Permeability permeability perturbation Perturbation Reluctance saturated magnetization Saturation magnetization Sensitivity Sensors Steel pipes Substrates Wear resistance Workpieces |
| title | A Novel Leakage Magnetic Field Enhancement Method Based on Permeability Perturbation |
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