GB2273782A - Eddy current flaw detection of sheet metal adjacent fasteners - Google Patents

Eddy current flaw detection of sheet metal adjacent fasteners Download PDF

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Publication number
GB2273782A
GB2273782A GB9226981A GB9226981A GB2273782A GB 2273782 A GB2273782 A GB 2273782A GB 9226981 A GB9226981 A GB 9226981A GB 9226981 A GB9226981 A GB 9226981A GB 2273782 A GB2273782 A GB 2273782A
Authority
GB
United Kingdom
Prior art keywords
sensor coils
probe
fastener
coils
eddy current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB9226981A
Other languages
English (en)
Other versions
GB9226981D0 (en
Inventor
Peter Gilbert Lale
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOCKING NDT Ltd
Original Assignee
HOCKING NDT Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HOCKING NDT Ltd filed Critical HOCKING NDT Ltd
Priority to GB9226981A priority Critical patent/GB2273782A/en
Publication of GB9226981D0 publication Critical patent/GB9226981D0/en
Priority to DE4344327A priority patent/DE4344327A1/de
Publication of GB2273782A publication Critical patent/GB2273782A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9013Arrangements for scanning
    • G01N27/902Arrangements for scanning by moving the sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9006Details, e.g. in the structure or functioning of sensors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB9226981A 1992-12-24 1992-12-24 Eddy current flaw detection of sheet metal adjacent fasteners Withdrawn GB2273782A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9226981A GB2273782A (en) 1992-12-24 1992-12-24 Eddy current flaw detection of sheet metal adjacent fasteners
DE4344327A DE4344327A1 (de) 1992-12-24 1993-12-23 Wirbelstrom-Induktionssonde zur Feststellung von Rissen und Verfahren zur Prüfung von Metallblech auf Risse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9226981A GB2273782A (en) 1992-12-24 1992-12-24 Eddy current flaw detection of sheet metal adjacent fasteners

Publications (2)

Publication Number Publication Date
GB9226981D0 GB9226981D0 (en) 1993-02-17
GB2273782A true GB2273782A (en) 1994-06-29

Family

ID=10727234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9226981A Withdrawn GB2273782A (en) 1992-12-24 1992-12-24 Eddy current flaw detection of sheet metal adjacent fasteners

Country Status (2)

Country Link
DE (1) DE4344327A1 (de)
GB (1) GB2273782A (de)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999028739A1 (en) * 1997-12-02 1999-06-10 Battelle Memorial Institute Magnetic induced eddy current inspection method and apparatus
WO2006110256A1 (en) * 2005-04-07 2006-10-19 The Boeing Company High frequency rotary eddy current probe device
US7352176B1 (en) * 2006-08-10 2008-04-01 Sandia Corporation Rotating concave eddy current probe
US7626383B1 (en) 2005-04-25 2009-12-01 Innovative Materials Testing Technologies, Inc. Apparatus and method for holding a rotatable eddy-current magnetic probe, and for rotating the probe around a boundary
WO2010007490A1 (en) * 2008-07-14 2010-01-21 Eaton Corporation Non-destructive test evaluation of welded claddings on rods of hydraulic cylinders used for saltwater, brackish and freshwater applications
DE102008052983A1 (de) * 2008-10-23 2010-04-29 Mtu Aero Engines Gmbh Wirbelstromsensor und Verfahren zum Ermitteln von aufgrund thermischer Einflüsse veränderter Werkstoffeigenschaften in einem zu untersuchenden Bauteil mit Hilfe desselben
US8080994B2 (en) * 2006-05-12 2011-12-20 Allegro Microsystems, Inc. Integrated current sensor
EP2482067A1 (de) 2011-01-28 2012-08-01 GE Inspection Technologies Ltd Nichtdestruktives Testverfahren zur automatischen Überprüfung von Nieten
CN103018323A (zh) * 2012-12-07 2013-04-03 爱德森(厦门)电子有限公司 铝合金多层复合板螺栓孔裂纹缺陷在役电磁检测装置
US8629539B2 (en) 2012-01-16 2014-01-14 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having non-conductive die paddle
US8841904B1 (en) * 2011-02-17 2014-09-23 The Boeing Company Nondestructive inspection probe and method
CN104181227A (zh) * 2013-05-21 2014-12-03 核动力运行研究所 一种外穿式弹性线圈涡流探头
CN104730144A (zh) * 2015-02-10 2015-06-24 中国人民解放军海军航空工程学院青岛校区 一种检测多层结构内部腐蚀的涡流传感器及其制作方法
EP2919002A3 (de) * 2014-01-28 2015-12-30 The Boeing Company Wirbelstromsondenrotator
EP2530020A3 (de) * 2011-06-03 2016-07-13 The Boeing Company Flugzeugrumpfüberprüfungssystem
US9411025B2 (en) 2013-04-26 2016-08-09 Allegro Microsystems, Llc Integrated circuit package having a split lead frame and a magnet
US9494660B2 (en) 2012-03-20 2016-11-15 Allegro Microsystems, Llc Integrated circuit package having a split lead frame
US9666788B2 (en) 2012-03-20 2017-05-30 Allegro Microsystems, Llc Integrated circuit package having a split lead frame
US9812588B2 (en) 2012-03-20 2017-11-07 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US10234513B2 (en) 2012-03-20 2019-03-19 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US10991644B2 (en) 2019-08-22 2021-04-27 Allegro Microsystems, Llc Integrated circuit package having a low profile

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29517292U1 (de) * 1995-11-02 1995-12-14 Aerosafe-Trading, 24558 Henstedt-Ulzburg Wirbelstrom-Sondensystem
DE102013002775A1 (de) 2013-02-16 2014-03-13 Daimler Ag Umformwerkzeug und Verfahren zum Umformen eines Bauteils

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1113007A (en) * 1966-05-16 1968-05-08 Bell Inc F W Method and apparatus for magnetic reaction testing
US4495466A (en) * 1982-04-08 1985-01-22 The United States Of America As Represented By The Secretary Of The Air Force Eddy current test probe with circumferential Segments and method of testing material surrounding fastener holes
US4677379A (en) * 1983-02-24 1987-06-30 Societe Nationale Industrielle Et Aerospatiale Process and device for the detection of cracks in riveted joints using an eddy current probe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1113007A (en) * 1966-05-16 1968-05-08 Bell Inc F W Method and apparatus for magnetic reaction testing
US4495466A (en) * 1982-04-08 1985-01-22 The United States Of America As Represented By The Secretary Of The Air Force Eddy current test probe with circumferential Segments and method of testing material surrounding fastener holes
US4677379A (en) * 1983-02-24 1987-06-30 Societe Nationale Industrielle Et Aerospatiale Process and device for the detection of cracks in riveted joints using an eddy current probe

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999028739A1 (en) * 1997-12-02 1999-06-10 Battelle Memorial Institute Magnetic induced eddy current inspection method and apparatus
WO2006110256A1 (en) * 2005-04-07 2006-10-19 The Boeing Company High frequency rotary eddy current probe device
US7256577B2 (en) 2005-04-07 2007-08-14 The Boeing Company High frequency rotary eddy current probe device
US7626383B1 (en) 2005-04-25 2009-12-01 Innovative Materials Testing Technologies, Inc. Apparatus and method for holding a rotatable eddy-current magnetic probe, and for rotating the probe around a boundary
US8080994B2 (en) * 2006-05-12 2011-12-20 Allegro Microsystems, Inc. Integrated current sensor
US7352176B1 (en) * 2006-08-10 2008-04-01 Sandia Corporation Rotating concave eddy current probe
WO2010007490A1 (en) * 2008-07-14 2010-01-21 Eaton Corporation Non-destructive test evaluation of welded claddings on rods of hydraulic cylinders used for saltwater, brackish and freshwater applications
US8166821B2 (en) 2008-07-14 2012-05-01 Eaton Corporation Non-destructive test evaluation of welded claddings on rods of hydraulic cylinders used for saltwater, brackish and freshwater applications
DE102008052983A1 (de) * 2008-10-23 2010-04-29 Mtu Aero Engines Gmbh Wirbelstromsensor und Verfahren zum Ermitteln von aufgrund thermischer Einflüsse veränderter Werkstoffeigenschaften in einem zu untersuchenden Bauteil mit Hilfe desselben
EP2482067A1 (de) 2011-01-28 2012-08-01 GE Inspection Technologies Ltd Nichtdestruktives Testverfahren zur automatischen Überprüfung von Nieten
US8841904B1 (en) * 2011-02-17 2014-09-23 The Boeing Company Nondestructive inspection probe and method
EP2530020A3 (de) * 2011-06-03 2016-07-13 The Boeing Company Flugzeugrumpfüberprüfungssystem
US9299915B2 (en) 2012-01-16 2016-03-29 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having non-conductive die paddle
US8629539B2 (en) 2012-01-16 2014-01-14 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having non-conductive die paddle
US10333055B2 (en) 2012-01-16 2019-06-25 Allegro Microsystems, Llc Methods for magnetic sensor having non-conductive die paddle
US9620705B2 (en) 2012-01-16 2017-04-11 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having non-conductive die paddle
US10916665B2 (en) 2012-03-20 2021-02-09 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with an integrated coil
US11444209B2 (en) 2012-03-20 2022-09-13 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with an integrated coil enclosed with a semiconductor die by a mold material
US9494660B2 (en) 2012-03-20 2016-11-15 Allegro Microsystems, Llc Integrated circuit package having a split lead frame
US11961920B2 (en) 2012-03-20 2024-04-16 Allegro Microsystems, Llc Integrated circuit package with magnet having a channel
US11828819B2 (en) 2012-03-20 2023-11-28 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US9666788B2 (en) 2012-03-20 2017-05-30 Allegro Microsystems, Llc Integrated circuit package having a split lead frame
US9812588B2 (en) 2012-03-20 2017-11-07 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US10230006B2 (en) 2012-03-20 2019-03-12 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with an electromagnetic suppressor
US10234513B2 (en) 2012-03-20 2019-03-19 Allegro Microsystems, Llc Magnetic field sensor integrated circuit with integral ferromagnetic material
US11677032B2 (en) 2012-03-20 2023-06-13 Allegro Microsystems, Llc Sensor integrated circuit with integrated coil and element in central region of mold material
CN103018323A (zh) * 2012-12-07 2013-04-03 爱德森(厦门)电子有限公司 铝合金多层复合板螺栓孔裂纹缺陷在役电磁检测装置
US9411025B2 (en) 2013-04-26 2016-08-09 Allegro Microsystems, Llc Integrated circuit package having a split lead frame and a magnet
CN104181227B (zh) * 2013-05-21 2017-02-08 核动力运行研究所 一种外穿式弹性线圈涡流探头
CN104181227A (zh) * 2013-05-21 2014-12-03 核动力运行研究所 一种外穿式弹性线圈涡流探头
EP2919002A3 (de) * 2014-01-28 2015-12-30 The Boeing Company Wirbelstromsondenrotator
US9523712B2 (en) 2014-01-28 2016-12-20 The Boeing Company Eddy current probe rotator
CN104730144A (zh) * 2015-02-10 2015-06-24 中国人民解放军海军航空工程学院青岛校区 一种检测多层结构内部腐蚀的涡流传感器及其制作方法
US10991644B2 (en) 2019-08-22 2021-04-27 Allegro Microsystems, Llc Integrated circuit package having a low profile

Also Published As

Publication number Publication date
GB9226981D0 (en) 1993-02-17
DE4344327A1 (de) 1994-06-30

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