DE68912901D1 - Zerstörungsfreies Prüfverfahren mit Wirbelströmen. - Google Patents

Zerstörungsfreies Prüfverfahren mit Wirbelströmen.

Info

Publication number
DE68912901D1
DE68912901D1 DE89311858T DE68912901T DE68912901D1 DE 68912901 D1 DE68912901 D1 DE 68912901D1 DE 89311858 T DE89311858 T DE 89311858T DE 68912901 T DE68912901 T DE 68912901T DE 68912901 D1 DE68912901 D1 DE 68912901D1
Authority
DE
Germany
Prior art keywords
test method
eddy currents
destructive test
destructive
eddy
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 - Lifetime
Application number
DE89311858T
Other languages
English (en)
Inventor
Edward Arthur Lloyd
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.)
NNC Ltd
Original Assignee
NNC 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 NNC Ltd filed Critical NNC Ltd
Application granted granted Critical
Publication of DE68912901D1 publication Critical patent/DE68912901D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N27/9046—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 by analysing electrical signals
    • 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

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)
DE89311858T 1988-11-16 1989-11-16 Zerstörungsfreies Prüfverfahren mit Wirbelströmen. Expired - Lifetime DE68912901D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888826817A GB8826817D0 (en) 1988-11-16 1988-11-16 Eddy current non-destructive examination

Publications (1)

Publication Number Publication Date
DE68912901D1 true DE68912901D1 (de) 1994-03-17

Family

ID=10646960

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89311858T Expired - Lifetime DE68912901D1 (de) 1988-11-16 1989-11-16 Zerstörungsfreies Prüfverfahren mit Wirbelströmen.

Country Status (4)

Country Link
US (1) US5119023A (de)
EP (1) EP0370691B1 (de)
DE (1) DE68912901D1 (de)
GB (2) GB8826817D0 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE115776T1 (de) * 1990-03-27 1994-12-15 Titalyse Sa Messeinrichtung und -verfahren zum sortieren gebrauchter batterien und akkumulatoren.
US5210492A (en) * 1991-04-22 1993-05-11 Tokyo Gas Co., Ltd. Remote field eddy current flaw detector for metal pipes having a pair of receiver coils providing a differential offset amplitude signal
DE69233065D1 (de) * 1991-06-11 2003-06-26 Newt Holdings Ltd Sonde
GB2256713B (en) * 1991-06-11 1993-08-18 Millstrong Ltd Eddy current flaw size detecting probe
EP0624249B1 (de) * 1992-01-31 1999-03-31 Northrop Grumman Corporation Wirbelstromsondensystem in einem array
MY109533A (en) * 1992-02-05 1997-02-28 Shell Int Research Apparatus and method for pipe or tube inspection
US5554933A (en) * 1992-02-27 1996-09-10 Logue; Delmar L. Polar coordinates sensor probe for testing material surrounding fastener holes
US5532591A (en) * 1992-02-27 1996-07-02 Logue; Delmar L. Apparatus for detecting surface flaws in cylindrical articles by means of asymmetric magnetic detection
FR2690744B1 (fr) * 1992-04-30 1994-07-22 Electricite De France Appareil de controle non destructif par courants de foucault de produits metalliques non magnetiques.
FR2693797B1 (fr) * 1992-07-20 1994-10-21 Geophysique Cie Gle Système de contrôle de canalisations, notamment de canalisations en acier nu ou enrobé.
CA2076205C (en) * 1992-08-14 1999-04-20 Valentino S. Cecco Differential transmit-receive eddy current probe incorporating bracelets of multi-coil units
JP3428734B2 (ja) * 1994-08-01 2003-07-22 東京瓦斯株式会社 金属管探傷装置及び金属管探傷方法
EP0823053A1 (de) * 1995-04-24 1998-02-11 Göran Larsson Verfahren und vorrichtung zum messen von ferromagnetischen objekten
US5942894A (en) * 1995-09-13 1999-08-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Radially focused eddy current sensor for detection of longitudinal flaws in metallic tubes
FR2743890B1 (fr) * 1996-01-24 1998-04-03 Intercontrole Sa Capteur a courants de foucault et outillage de controle de tube comportant au moins un tel capteur
DE29606519U1 (de) * 1996-04-10 1997-08-14 Debnar Beinssen, Angelika, Dipl.-Ing., 20149 Hamburg Materialprüfsonde
AUPP813499A0 (en) * 1999-01-13 1999-02-04 Rock Solid Research Pty. Ltd. A subsurface pipeline inspection probe
RU2176082C1 (ru) * 2000-12-26 2001-11-20 ЗАО "Нефтегазкомплектсервис" Внутритрубный магнитный дефектоскоп
GB0113206D0 (en) * 2001-06-01 2001-07-25 Lattice Intellectual Property Pipe material discrimination
US7128803B2 (en) 2002-06-28 2006-10-31 Lam Research Corporation Integration of sensor based metrology into semiconductor processing tools
US7205166B2 (en) 2002-06-28 2007-04-17 Lam Research Corporation Method and apparatus of arrayed, clustered or coupled eddy current sensor configuration for measuring conductive film properties
US7309618B2 (en) 2002-06-28 2007-12-18 Lam Research Corporation Method and apparatus for real time metal film thickness measurement
DE10229735A1 (de) * 2002-07-02 2004-01-22 rinas Gerätetechnik GmbH Verfahren zum Erkennen und Lokalisieren von Materialfehlern
US7084621B2 (en) * 2002-09-25 2006-08-01 Lam Research Corporation Enhancement of eddy current based measurement capabilities
US6924640B2 (en) * 2002-11-27 2005-08-02 Precision Drilling Technology Services Group Inc. Oil and gas well tubular inspection system using hall effect sensors
US7622916B2 (en) * 2006-12-20 2009-11-24 Schlumberger Technology Corporation Detector
EP3149519A4 (de) * 2014-07-12 2017-12-20 Halliburton Energy Services, Inc. Verwendung einer sensorreihe zwischen zwei sendern in einer wirbelstrom-protokollierungsumgebung
WO2016057814A1 (en) * 2014-10-10 2016-04-14 Exxam Systems, LLC Eddy current pipeline inspection apparatus and method
US10746698B2 (en) 2017-01-31 2020-08-18 Exxam Systems, LLC Eddy current pipeline inspection using swept frequency
US20190004202A1 (en) * 2017-06-28 2019-01-03 Gowell International, Llc Apparatus and Method of Azimuthal Magnetic Sensor Array for Down-Hole Applications

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555853A (en) * 1945-04-16 1951-06-05 Emmett M Irwin Magnetic testing apparatus and method
SE347356B (de) * 1970-03-20 1972-07-31 Essem Metotest Ab
US3678560A (en) * 1970-05-06 1972-07-25 Northern Illinois Gas Co Internal pipe sealing system
US3875502A (en) * 1973-05-24 1975-04-01 Foerster Inst Dr Friedrich Coil arrangement and circuit for eddy current testing
US4292589A (en) * 1979-05-09 1981-09-29 Schlumberger Technology Corporation Eddy current method and apparatus for inspecting ferromagnetic tubular members
JPS5834357A (ja) * 1981-08-26 1983-02-28 Kawasaki Steel Corp 渦流探傷方法および装置
JPH073408B2 (ja) * 1985-03-29 1995-01-18 日本鋼管株式会社 パイプラインの孔食検出装置

Also Published As

Publication number Publication date
GB8826817D0 (en) 1988-12-21
EP0370691A1 (de) 1990-05-30
EP0370691B1 (de) 1994-02-02
GB2225117A (en) 1990-05-23
US5119023A (en) 1992-06-02
GB8925909D0 (en) 1990-01-04
GB2225117B (en) 1993-02-10

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Legal Events

Date Code Title Description
8332 No legal effect for de