DE69324242T2 - Wirbelstromsondensystem in einem array - Google Patents

Wirbelstromsondensystem in einem array

Info

Publication number
DE69324242T2
DE69324242T2 DE69324242T DE69324242T DE69324242T2 DE 69324242 T2 DE69324242 T2 DE 69324242T2 DE 69324242 T DE69324242 T DE 69324242T DE 69324242 T DE69324242 T DE 69324242T DE 69324242 T2 DE69324242 T2 DE 69324242T2
Authority
DE
Germany
Prior art keywords
array
current probe
probe system
vortex current
vortex
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.)
Expired - Fee Related
Application number
DE69324242T
Other languages
English (en)
Other versions
DE69324242D1 (de
Inventor
William Sheppard
Kent Tam
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.)
Northrop Grumman Corp
Original Assignee
Northrop Grumman Corp
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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Application granted granted Critical
Publication of DE69324242D1 publication Critical patent/DE69324242D1/de
Publication of DE69324242T2 publication Critical patent/DE69324242T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating 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
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating 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
    • G01N27/904—Investigating 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 with two or more sensors
DE69324242T 1992-01-31 1993-01-20 Wirbelstromsondensystem in einem array Expired - Fee Related DE69324242T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83004292A 1992-01-31 1992-01-31
PCT/US1993/000419 WO1993015396A1 (en) 1992-01-31 1993-01-20 Arrayed eddy current probe system

Publications (2)

Publication Number Publication Date
DE69324242D1 DE69324242D1 (de) 1999-05-06
DE69324242T2 true DE69324242T2 (de) 1999-08-19

Family

ID=25256176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69324242T Expired - Fee Related DE69324242T2 (de) 1992-01-31 1993-01-20 Wirbelstromsondensystem in einem array

Country Status (8)

Country Link
US (1) US5399968A (de)
EP (1) EP0624249B1 (de)
JP (1) JPH07503320A (de)
AU (1) AU674666B2 (de)
CA (1) CA2128861A1 (de)
DE (1) DE69324242T2 (de)
ES (1) ES2130253T3 (de)
WO (1) WO1993015396A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102879462A (zh) * 2012-10-27 2013-01-16 浙江大学 一种金属缺陷涡流检测装置及其探头

Families Citing this family (121)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5554933A (en) * 1992-02-27 1996-09-10 Logue; Delmar L. Polar coordinates sensor probe for testing material surrounding fastener holes
US5648721A (en) * 1993-10-12 1997-07-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Rotating flux-focusing eddy current probe for flaw detection
US5617025A (en) * 1994-10-19 1997-04-01 Syron Engineering & Manufacturing Corporation Side part sensor for determining the presence or absence of a nut and a hole disposed adjacent the nut
US5673839A (en) * 1995-11-29 1997-10-07 The Boeing Company Real-time fastener measurement system
US5939880A (en) * 1996-02-12 1999-08-17 Logue; Delmar Leon Polar coordinate sensor driven by a poly-phase stator core
FR2751080B1 (fr) * 1996-07-15 1998-10-23 Inrets Procede et dispositif pour detecter des defauts transversaux en surface d'une piece oblongue conductrice
US6150809A (en) * 1996-09-20 2000-11-21 Tpl, Inc. Giant magnetorestive sensors and sensor arrays for detection and imaging of anomalies in conductive materials
WO1999028739A1 (en) * 1997-12-02 1999-06-10 Battelle Memorial Institute Magnetic induced eddy current inspection method and apparatus
JP3964061B2 (ja) * 1998-10-23 2007-08-22 独立行政法人科学技術振興機構 磁気計測による探傷方法及び装置
US20080109177A1 (en) * 2003-09-19 2008-05-08 Cech Leonard S Magnetic crash sensor
US8180585B2 (en) * 1999-08-26 2012-05-15 Tk Holdings, Inc. Magnetic crash sensor
US7514917B2 (en) * 2003-09-19 2009-04-07 Automotive Systems Laboratory, Inc. Magnetic crash sensor
US20070188168A1 (en) * 1999-08-26 2007-08-16 Stanley James G Magnetic sensor
US6479989B2 (en) 1999-10-13 2002-11-12 Albert Rudolph Taylor Eddy current probe with an adjustable bisected sensing end
DE19962184A1 (de) 1999-12-22 2001-07-19 Siemens Ag Verfahren und Vorrichtung zur in situ-Ermittlung des Umwandlungsgrads einer nichtmagnetischen Phase in eine ferromagnetische Phase eines metallischen Werkstücks
US6433541B1 (en) 1999-12-23 2002-08-13 Kla-Tencor Corporation In-situ metalization monitoring using eddy current measurements during the process for removing the film
US6707540B1 (en) 1999-12-23 2004-03-16 Kla-Tencor Corporation In-situ metalization monitoring using eddy current and optical measurements
US7385392B2 (en) * 2000-11-13 2008-06-10 Jentek Sensors, Inc. Eddy current sensing arrays and system
US6888346B2 (en) 2000-11-28 2005-05-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Magnetoresistive flux focusing eddy current flaw detection
JP4582564B2 (ja) * 2001-06-25 2010-11-17 ソニーマニュファクチュアリングシステムズ株式会社 磁束測定装置
US7526964B2 (en) * 2002-01-25 2009-05-05 Jentek Sensors, Inc. Applied and residual stress measurements using magnetic field sensors
US7280026B2 (en) * 2002-04-18 2007-10-09 Coldwatt, Inc. Extended E matrix integrated magnetics (MIM) core
US6749490B1 (en) 2002-05-16 2004-06-15 The United States Of America As Represented By The Secretary Of The Navy Portable numerically controlled water-jet driller
US6662088B1 (en) 2002-06-28 2003-12-09 General Electric Company Methods and systems for inspecting aircraft fuselage frames
US6914427B2 (en) * 2003-03-14 2005-07-05 The Boeing Company Eddy current probe having sensing elements defined by first and second elongated coils and an associated inspection method
US20050007106A1 (en) * 2003-05-23 2005-01-13 Jentek Sensors, Inc. Hybrid wound/etched winding constructs for scanning and monitoring
US7463987B2 (en) * 2003-09-19 2008-12-09 Takata Holdings, Inc. Magnetic sensing system and method
US7839143B2 (en) * 2003-09-19 2010-11-23 Tk Holdings Inc. Eddy current magnetic crash sensor
JP2007511742A (ja) * 2003-09-19 2007-05-10 オートモーティブ システムズ ラボラトリー インコーポレーテッド 磁気式衝突センサ
US7839142B2 (en) * 2003-09-19 2010-11-23 Tk Holdings, Inc. Magnetic crash sensor
JP2007510134A (ja) * 2003-09-19 2007-04-19 オートモーティブ システムズ ラボラトリー インコーポレーテッド 磁気衝突検知方法
US7772839B2 (en) * 2003-09-19 2010-08-10 Tk Holdings, Inc. Eddy current magnetic crash sensor
EP1743156A4 (de) * 2003-12-21 2010-08-04 Automotive Systems Lab Magnetsensor
US6973838B2 (en) * 2004-04-12 2005-12-13 Xenotrancorp. Non-contacting crack sensor
CA2504908A1 (en) * 2004-04-23 2005-10-23 Innovative Materials Testing Technologies, Inc. Apparatus and method for eddy-current magnetic scanning a surface to detect sub-surface cracks around a boundary
BRPI0515942A (pt) * 2004-10-08 2008-08-12 Bell Helicopter Textro Inc sonda de rotação de rebite
US7154265B2 (en) * 2004-12-21 2006-12-26 General Electric Company Eddy current probe and inspection method
US7417875B2 (en) * 2005-02-08 2008-08-26 Coldwatt, Inc. Power converter employing integrated magnetics with a current multiplier rectifier and method of operating the same
US7876191B2 (en) * 2005-02-23 2011-01-25 Flextronics International Usa, Inc. Power converter employing a tapped inductor and integrated magnetics and method of operating the same
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
US20070029997A1 (en) * 2005-05-02 2007-02-08 Goldfine Neil J Test circuit with drive windings and sense elements
US7528598B2 (en) * 2005-06-22 2009-05-05 Jentek Sensors, Inc. Fastener and fitting based sensing methods
EP1915585A2 (de) * 2005-07-29 2008-04-30 Automotive Systems Laboratory Inc. Magnetischer kollisionssensor
US7560920B1 (en) 2005-10-28 2009-07-14 Innovative Materials Testing Technologies, Inc. Apparatus and method for eddy-current scanning of a surface to detect cracks and other defects
US7312608B2 (en) * 2005-11-03 2007-12-25 The Boeing Company Systems and methods for inspecting electrical conductivity in composite materials
US8193804B2 (en) * 2005-11-16 2012-06-05 Rex Chin-Yih Hong Device for measuring AC magnetization of materials
US7352176B1 (en) * 2006-08-10 2008-04-01 Sandia Corporation Rotating concave eddy current probe
US8125205B2 (en) * 2006-08-31 2012-02-28 Flextronics International Usa, Inc. Power converter employing regulators with a coupled inductor
US7675759B2 (en) 2006-12-01 2010-03-09 Flextronics International Usa, Inc. Power system with power converters having an adaptive controller
US7889517B2 (en) * 2006-12-01 2011-02-15 Flextronics International Usa, Inc. Power system with power converters having an adaptive controller
US7675758B2 (en) 2006-12-01 2010-03-09 Flextronics International Usa, Inc. Power converter with an adaptive controller and method of operating the same
US7667986B2 (en) * 2006-12-01 2010-02-23 Flextronics International Usa, Inc. Power system with power converters having an adaptive controller
US9197132B2 (en) 2006-12-01 2015-11-24 Flextronics International Usa, Inc. Power converter with an adaptive controller and method of operating the same
US7468649B2 (en) * 2007-03-14 2008-12-23 Flextronics International Usa, Inc. Isolated power converter
WO2008157554A1 (en) * 2007-06-18 2008-12-24 Tk Holdings Inc. Sensor system and air coil
US20080316779A1 (en) * 2007-06-19 2008-12-25 Chandrasekaran Jayaraman System and method for estimating input power for a power processing circuit
US7987928B2 (en) * 2007-10-09 2011-08-02 Pdti Holdings, Llc Injection system and method comprising an impactor motive device
US9823090B2 (en) 2014-10-31 2017-11-21 Allegro Microsystems, Llc Magnetic field sensor for sensing a movement of a target object
JP5213692B2 (ja) * 2008-12-24 2013-06-19 マークテック株式会社 渦電流探傷方法と渦電流探傷装置
US9088216B2 (en) 2009-01-19 2015-07-21 Power Systems Technologies, Ltd. Controller for a synchronous rectifier switch
US8520414B2 (en) * 2009-01-19 2013-08-27 Power Systems Technologies, Ltd. Controller for a power converter
US9019061B2 (en) 2009-03-31 2015-04-28 Power Systems Technologies, Ltd. Magnetic device formed with U-shaped core pieces and power converter employing the same
US8514593B2 (en) * 2009-06-17 2013-08-20 Power Systems Technologies, Ltd. Power converter employing a variable switching frequency and a magnetic device with a non-uniform gap
US9077248B2 (en) 2009-06-17 2015-07-07 Power Systems Technologies Ltd Start-up circuit for a power adapter
US8643222B2 (en) 2009-06-17 2014-02-04 Power Systems Technologies Ltd Power adapter employing a power reducer
US8638578B2 (en) 2009-08-14 2014-01-28 Power System Technologies, Ltd. Power converter including a charge pump employable in a power adapter
US8976549B2 (en) * 2009-12-03 2015-03-10 Power Systems Technologies, Ltd. Startup circuit including first and second Schmitt triggers and power converter employing the same
US8520420B2 (en) * 2009-12-18 2013-08-27 Power Systems Technologies, Ltd. Controller for modifying dead time between switches in a power converter
US9246391B2 (en) 2010-01-22 2016-01-26 Power Systems Technologies Ltd. Controller for providing a corrected signal to a sensed peak current through a circuit element of a power converter
US8787043B2 (en) * 2010-01-22 2014-07-22 Power Systems Technologies, Ltd. Controller for a power converter and method of operating the same
CN102870320B (zh) 2010-03-17 2016-11-02 电力系统技术有限公司 功率转换器的控制系统及其操作方法
US20110239008A1 (en) * 2010-03-26 2011-09-29 Lam Kean W Power Adapter Having a Universal Serial Bus Hub
NO332520B1 (no) * 2010-12-28 2012-10-08 Techni As Anordning for overforing av elektriske signaler og/eller elektrisk energi
US8792257B2 (en) 2011-03-25 2014-07-29 Power Systems Technologies, Ltd. Power converter with reduced power dissipation
US8884614B2 (en) 2011-10-31 2014-11-11 General Electric Company Eddy current array probe
US8792256B2 (en) 2012-01-27 2014-07-29 Power Systems Technologies Ltd. Controller for a switch and method of operating the same
US9817078B2 (en) 2012-05-10 2017-11-14 Allegro Microsystems Llc Methods and apparatus for magnetic sensor having integrated coil
MY169963A (en) * 2012-06-15 2019-06-19 Univ Putra Malaysia A system for evaluating ferromagnetic object and a method therefor
US9190898B2 (en) 2012-07-06 2015-11-17 Power Systems Technologies, Ltd Controller for a power converter and method of operating the same
US9379629B2 (en) 2012-07-16 2016-06-28 Power Systems Technologies, Ltd. Magnetic device and power converter employing the same
US9214264B2 (en) 2012-07-16 2015-12-15 Power Systems Technologies, Ltd. Magnetic device and power converter employing the same
US9106130B2 (en) 2012-07-16 2015-08-11 Power Systems Technologies, Inc. Magnetic device and power converter employing the same
US9099232B2 (en) 2012-07-16 2015-08-04 Power Systems Technologies Ltd. Magnetic device and power converter employing the same
US9240712B2 (en) 2012-12-13 2016-01-19 Power Systems Technologies Ltd. Controller including a common current-sense device for power switches of a power converter
US10495699B2 (en) * 2013-07-19 2019-12-03 Allegro Microsystems, Llc Methods and apparatus for magnetic sensor having an integrated coil or magnet to detect a non-ferromagnetic target
US9300206B2 (en) 2013-11-15 2016-03-29 Power Systems Technologies Ltd. Method for estimating power of a power converter
CN103868989B (zh) * 2014-03-31 2016-08-31 爱德森（厦门）电子有限公司 一种多层金属构件抽芯铆钉铆固程度评估装置及方法
CA2945425C (en) * 2014-04-14 2023-03-14 Eddyfi Ndt Inc. Eddy current array probe with independent transmitters
US9720054B2 (en) 2014-10-31 2017-08-01 Allegro Microsystems, Llc Magnetic field sensor and electronic circuit that pass amplifier current through a magnetoresistance element
US10712403B2 (en) 2014-10-31 2020-07-14 Allegro Microsystems, Llc Magnetic field sensor and electronic circuit that pass amplifier current through a magnetoresistance element
US9823092B2 (en) 2014-10-31 2017-11-21 Allegro Microsystems, Llc Magnetic field sensor providing a movement detector
US9719806B2 (en) 2014-10-31 2017-08-01 Allegro Microsystems, Llc Magnetic field sensor for sensing a movement of a ferromagnetic target object
US10073058B2 (en) * 2015-02-11 2018-09-11 Structural Integrity Associates Dynamic pulsed eddy current probe
US10895555B2 (en) 2015-03-30 2021-01-19 Structural Integrity Associates, Inc. System for in-line inspection using a dynamic pulsed eddy current probe and method thereof
CN106442709B (zh) * 2015-08-04 2020-12-22 艾因蒂克检测科技（上海）有限公司 一种焊点检测的装置及方法
US10669088B2 (en) * 2015-12-28 2020-06-02 Eaton Intelligent Power Limited Eddy current joint sensor
US10012518B2 (en) 2016-06-08 2018-07-03 Allegro Microsystems, Llc Magnetic field sensor for sensing a proximity of an object
WO2018080764A1 (en) * 2016-10-28 2018-05-03 Applied Materials, Inc. Core configuration with alternating posts for in-situ electromagnetic induction monitoring system
US10324141B2 (en) 2017-05-26 2019-06-18 Allegro Microsystems, Llc Packages for coil actuated position sensors
US10641842B2 (en) 2017-05-26 2020-05-05 Allegro Microsystems, Llc Targets for coil actuated position sensors
US10996289B2 (en) 2017-05-26 2021-05-04 Allegro Microsystems, Llc Coil actuated position sensor with reflected magnetic field
US11428755B2 (en) 2017-05-26 2022-08-30 Allegro Microsystems, Llc Coil actuated sensor with sensitivity detection
US10310028B2 (en) 2017-05-26 2019-06-04 Allegro Microsystems, Llc Coil actuated pressure sensor
US10837943B2 (en) 2017-05-26 2020-11-17 Allegro Microsystems, Llc Magnetic field sensor with error calculation
JP7244250B2 (ja) * 2017-12-26 2023-03-22 株式会社荏原製作所 磁性素子、及びそれを用いた渦電流式センサ
KR102538861B1 (ko) * 2017-12-26 2023-06-01 가부시키가이샤 에바라 세이사꾸쇼 자성 소자 및 그것을 사용한 와전류식 센서
CN108318575B (zh) * 2018-01-15 2022-11-25 中国石油大学(华东) 一种交流电磁场的管柱检测探头及检测系统
DE102018209318A1 (de) * 2018-06-12 2019-12-12 Bayerische Motoren Werke Aktiengesellschaft Sensorvorrichtung und Verfahren zum Prüfen und/oder Charakterisieren eines Messobjekts
US11255700B2 (en) 2018-08-06 2022-02-22 Allegro Microsystems, Llc Magnetic field sensor
JP7179586B2 (ja) * 2018-11-08 2022-11-29 株式会社荏原製作所 渦電流検出装置及び研磨装置
EP3654030A1 (de) * 2018-11-14 2020-05-20 Hexagon Technology Center GmbH Wirbelstromsensoranordnung und wirbelstromsensorsystem zur generativen fertigung
US10823586B2 (en) 2018-12-26 2020-11-03 Allegro Microsystems, Llc Magnetic field sensor having unequally spaced magnetic field sensing elements
US11061084B2 (en) 2019-03-07 2021-07-13 Allegro Microsystems, Llc Coil actuated pressure sensor and deflectable substrate
US10955306B2 (en) 2019-04-22 2021-03-23 Allegro Microsystems, Llc Coil actuated pressure sensor and deformable substrate
US11280637B2 (en) 2019-11-14 2022-03-22 Allegro Microsystems, Llc High performance magnetic angle sensor
US11237020B2 (en) 2019-11-14 2022-02-01 Allegro Microsystems, Llc Magnetic field sensor having two rows of magnetic field sensing elements for measuring an angle of rotation of a magnet
US11262422B2 (en) 2020-05-08 2022-03-01 Allegro Microsystems, Llc Stray-field-immune coil-activated position sensor
US11747127B2 (en) * 2020-11-02 2023-09-05 The Boeing Company Tool for precise locating of fasteners under coatings
WO2022170417A1 (en) * 2021-02-09 2022-08-18 Olympus NDT Canada Inc. Lift-off compensated eddy current system
US11493361B2 (en) 2021-02-26 2022-11-08 Allegro Microsystems, Llc Stray field immune coil-activated sensor
US11578997B1 (en) 2021-08-24 2023-02-14 Allegro Microsystems, Llc Angle sensor using eddy currents

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB631987A (en) * 1947-07-25 1949-11-14 Superheater Co Ltd Improvements in and relating to apparatus for testing materials by magnetic or electrical analysis
US2965840A (en) * 1959-01-23 1960-12-20 Jr Claus J Renken Metal resistivity measuring device
US3109139A (en) * 1960-04-22 1963-10-29 Republic Aviat Corp Electromagnetic apparatus for sensing discontinuities in structural members
US3497799A (en) * 1965-06-10 1970-02-24 Republic Steel Corp Coil apparatus and method for inducing eddy currents in a metallic object and detecting flaws in response to a change in impedance load
SE301731B (de) * 1966-02-24 1968-06-17 Essem Metotest Ab
US3449664A (en) * 1966-05-16 1969-06-10 Bell Inc F W Magnetic reaction testing apparatus and method of testing utilizing semiconductor means for magnetic field sensing of an eddy-current-reaction magnetic field
SE347356B (de) * 1970-03-20 1972-07-31 Essem Metotest Ab
DE2509927C3 (de) * 1975-03-07 1980-08-14 Institut Dr. Friedrich Foerster Pruefgeraetebau, 7410 Reutlingen Wirbelstromprüf spulenanordnung
US4095181A (en) * 1976-12-17 1978-06-13 The Boeing Company Rotating pot shaped eddy current probe in which only a small fraction of the lip forming the outer core portion is retained
GB2028510B (en) * 1978-08-21 1983-02-16 Defence Sercretary Of State Fo Apparatus for the detection of defects in engineering materials
US4219774A (en) * 1978-08-25 1980-08-26 Rogel Albert P Automatic eddy current surface probe for fastener holes
US4271393A (en) * 1978-12-29 1981-06-02 The Boeing Company Apparatus and method for eddy current detection of subsurface discontinuities in conductive bodies
WO1981003381A1 (en) * 1980-05-22 1981-11-26 Secr Defence Brit Improvements in or relating to measurement apparatus
US4414508A (en) * 1981-03-30 1983-11-08 Lockheed Corporation Method and apparatus for automated inspection of fastener holes by eddy current
AT382458B (de) * 1982-02-11 1987-02-25 Voest Alpine Ag Verfahren zur oberflaechenpruefung von ueber dem curie-punkt heissem stahlgut sowie einrichtung zur durchfuehrung des verfahrens
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
FR2541772B1 (fr) * 1983-02-24 1985-06-14 Aerospatiale Procede et dispositif pour l'examen non destructif de jonctions rivetees ou analogues au moyen d'une sonde a courants de foucault
JPS59162448A (ja) * 1983-03-05 1984-09-13 Shimadzu Corp 磁気探傷方法
DE3308617A1 (de) * 1983-03-11 1984-09-13 Carl-Ludwig 5650 Solingen Pohler Pruefeinrichtung fuer die kalt- und warmpruefung von brammen, bloecken, knueppeln u. dgl. auf oberflaechenfehler
SU1155930A2 (ru) * 1983-12-28 1985-05-15 Ленинградский Ордена Трудового Красного Знамени Институт Водного Транспорта Вихретоковый преобразователь
JPS60147648A (ja) * 1984-01-13 1985-08-03 Sumitomo Metal Ind Ltd 探傷方法及び装置
JPS6114569A (ja) * 1984-06-29 1986-01-22 Shimadzu Corp 渦流探傷用検出器
SE456610B (sv) * 1985-01-08 1988-10-17 Tornbloms Kvalitetskontroll Ab Anordning for overforing av signaler och/eller media mellan en met-och/eller kontroll-anordning och minst en dertill horande rorlig, t ex roterande givare
US4855677A (en) * 1988-03-11 1989-08-08 Westinghouse Electric Corp. Multiple coil eddy current probe and method of flaw detection
GB8826817D0 (en) * 1988-11-16 1988-12-21 Nat Nuclear Corp Ltd Eddy current non-destructive examination
CH677152A5 (de) * 1989-02-08 1991-04-15 Asea Brown Boveri
US5021738A (en) * 1990-03-26 1991-06-04 The United States Of America As Represented By The Secretary Of The Navy Field variable, electronically controlled, nested coil eddy current probe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102879462A (zh) * 2012-10-27 2013-01-16 浙江大学 一种金属缺陷涡流检测装置及其探头
CN102879462B (zh) * 2012-10-27 2015-04-15 浙江大学 一种金属缺陷涡流检测装置及其探头

Also Published As

Publication number Publication date
EP0624249A1 (de) 1994-11-17
ES2130253T3 (es) 1999-07-01
WO1993015396A1 (en) 1993-08-05
US5399968A (en) 1995-03-21
CA2128861A1 (en) 1993-08-05
AU674666B2 (en) 1997-01-09
AU3477393A (en) 1993-09-01
EP0624249B1 (de) 1999-03-31
DE69324242D1 (de) 1999-05-06
JPH07503320A (ja) 1995-04-06

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