ATE105935T1 - Magnetischer streuflussfühler zur zerstörungsfreien prüfung. - Google Patents

Magnetischer streuflussfühler zur zerstörungsfreien prüfung.

Info

Publication number
ATE105935T1
ATE105935T1 AT87309183T AT87309183T ATE105935T1 AT E105935 T1 ATE105935 T1 AT E105935T1 AT 87309183 T AT87309183 T AT 87309183T AT 87309183 T AT87309183 T AT 87309183T AT E105935 T1 ATE105935 T1 AT E105935T1
Authority
AT
Austria
Prior art keywords
magnetic flux
destructive testing
flux probe
flux leakage
coils
Prior art date
Application number
AT87309183T
Other languages
English (en)
Inventor
Mark J Bergander
Original Assignee
Electric Power Res Inst
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 Electric Power Res Inst filed Critical Electric Power Res Inst
Application granted granted Critical
Publication of ATE105935T1 publication Critical patent/ATE105935T1/de

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

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)
AT87309183T 1986-10-31 1987-10-16 Magnetischer streuflussfühler zur zerstörungsfreien prüfung. ATE105935T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/927,616 US4789827A (en) 1986-10-31 1986-10-31 Magnetic flux leakage probe with radially offset coils for use in nondestructive testing of pipes and tubes

Publications (1)

Publication Number Publication Date
ATE105935T1 true ATE105935T1 (de) 1994-06-15

Family

ID=25454996

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87309183T ATE105935T1 (de) 1986-10-31 1987-10-16 Magnetischer streuflussfühler zur zerstörungsfreien prüfung.

Country Status (8)

Country Link
US (1) US4789827A (de)
EP (1) EP0266103B1 (de)
JP (1) JPH0664012B2 (de)
AT (1) ATE105935T1 (de)
AU (1) AU595748B2 (de)
CA (1) CA1277710C (de)
DE (1) DE3789848T2 (de)
ES (1) ES2051747T3 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59126415U (ja) * 1983-02-14 1984-08-25 日立電線株式会社 通信用ケ−ブル
US4945306A (en) * 1988-10-25 1990-07-31 Atlantic Richfield Coil and Hall device circuit for sensing magnetic fields
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
US5293117A (en) * 1992-05-14 1994-03-08 Western Atlas International, Inc. Magnetic flaw detector for use with ferromagnetic small diameter tubular goods using a second magnetic field to confine a first magnetic field
US5475305A (en) * 1993-02-18 1995-12-12 Iowa State University Research Foundation, Inc. Magnetic inspection probe for measurement of magnetic anisotropy
US5454276A (en) * 1993-07-30 1995-10-03 Wernicke; Timothy K. Multi-directional magnetic flux pipe inspection apparatus and method
US5565633A (en) * 1993-07-30 1996-10-15 Wernicke; Timothy K. Spiral tractor apparatus and method
US5537035A (en) * 1994-05-10 1996-07-16 Gas Research Institute Apparatus and method for detecting anomalies in ferrous pipe structures
FR2731498B1 (fr) * 1995-03-08 1997-06-06 Framatome Sa Procede de reparation par chemisage electrolytique d'un tube tel qu'un tube de generateur de vapeur
US5864232A (en) * 1996-08-22 1999-01-26 Pipetronix, Ltd. Magnetic flux pipe inspection apparatus for analyzing anomalies in a pipeline wall
FR2758393B1 (fr) * 1997-01-10 1999-10-15 Commissariat Energie Atomique Sonde a courants de foucault
RU2176317C1 (ru) * 2000-03-13 2001-11-27 Открытое акционерное общество Научно-производственное предприятие Научно-исследовательский и проектно-конструкторский институт геофизических исследований геологоразведочных скважин Способ электромагнитной дефектоскопии стальных труб в скважинах
KR100358227B1 (ko) * 2000-03-14 2002-10-25 이곤철 봉강의 결함탐상용 센서 및 그 제조방법
KR100487737B1 (ko) 2000-07-12 2005-05-03 제이에프이 스틸 가부시키가이샤 누설자속 탐상법 및 그 것을 이용한 열연강판의 제조방법
GB0112983D0 (en) * 2001-05-30 2001-07-18 Advanced Eng Solutions Ltd Pipe condition detecting apparatus
US6597178B1 (en) * 2002-10-18 2003-07-22 Schlumberger Technology Corporation Sensor for detecting the magnetic field in the area of downhole casing
US7218102B2 (en) * 2004-10-07 2007-05-15 Battelle Memorial Institute Pipeline inspection apparatus and method
US7595636B2 (en) * 2005-03-11 2009-09-29 Baker Hughes Incorporated Apparatus and method of using accelerometer measurements for casing evaluation
CA2548938C (en) * 2005-04-28 2012-12-11 Randel Brandstrom Apparatus and method for detection of defects using flux leakage techniques
KR100696991B1 (ko) * 2006-01-25 2007-03-20 한국원자력연구소 투자율 측정법을 이용하여 증기발생기 전열관의 와전류를탐상하는 장치 및 방법
FR2900193B1 (fr) 2006-04-21 2008-06-20 Jean Pierre Martin Procede et dispositif permettant de determiner l'existence et l'emplacement de forces de contraintes sur une tige
US9030195B2 (en) * 2006-12-21 2015-05-12 Athena Industrial Technologies, Inc. Linear structure inspection apparatus and method
FR2914007B1 (fr) * 2007-03-20 2009-05-29 Geo Energy Sa Sonde d'analyse d'un assemblage de tiges ou tubes
GB2460484B (en) * 2007-11-16 2011-03-23 Advanced Eng Solutions Ltd Pipeline condition detecting method and apparatus
DE102009010453A1 (de) * 2009-02-26 2010-09-09 V&M Deutschland Gmbh Vorrichtung zur zerstörungsfreien Prüfung von Rohren
US8319494B2 (en) * 2009-06-26 2012-11-27 Tdw Delaware Inc. Pipeline inspection tool with double spiral EMAT sensor array
WO2012051136A1 (en) * 2010-10-14 2012-04-19 Halliburton Energy Services, Inc. Method for measuring remote field eddy current thickness in multiple tubular configuration
GB201105193D0 (en) * 2011-03-29 2011-05-11 Silverwing Uk Ltd Methods and apparatus for the inspection of plates and pipe walls
JP5851783B2 (ja) 2011-09-27 2016-02-03 三菱重工業株式会社 渦電流探傷用プローブ
US8734024B2 (en) * 2011-11-28 2014-05-27 Corning Cable Systems Llc Optical couplings having a coded magnetic array, and connector assemblies and electronic devices having the same
US9354350B2 (en) * 2012-05-23 2016-05-31 Schlumberger Technology Corporation Magnetic field sensing tool with magnetic flux concentrating blocks
US9678041B2 (en) 2014-07-24 2017-06-13 City of Tallahassee Non-destructive real-time magnetic flux leakage imaging system and method
WO2016032492A1 (en) * 2014-08-28 2016-03-03 Compagnie Generale Des Etablissements Michelin Magnetic flux sensor quality indicator apparatus and method
CN104677981A (zh) * 2015-01-17 2015-06-03 中国人民解放军装甲兵工程学院 一种多通道三维弱磁检测仪
JP6514592B2 (ja) * 2015-07-16 2019-05-15 住友化学株式会社 欠陥測定方法、欠陥測定装置および検査プローブ
JP6579840B2 (ja) * 2015-07-16 2019-09-25 住友化学株式会社 欠陥測定方法、欠陥測定装置、および検査プローブ
US11009484B1 (en) 2016-03-11 2021-05-18 The University Of Tulsa Velocity independent two-component magnetic flux leakage detective system
CN108375628B (zh) * 2016-09-18 2022-07-26 中国石油大学(华东) 一种周向电磁场管道内壁裂纹检测系统及定量评估方法
US10465509B2 (en) 2016-10-12 2019-11-05 Baker Hughes, A Ge Company, Llc Collocated multitone acoustic beam and electromagnetic flux leakage evaluation downhole
US11199592B2 (en) 2017-05-19 2021-12-14 Infrastructure Preservation Corporation Robotic magnetic flux leakage inspection system for external post-tensioned tendons of segmental bridges and roadways
JP6978913B2 (ja) * 2017-12-01 2021-12-08 住友化学株式会社 欠陥測定装置、欠陥測定方法および検査プローブ
US11796506B2 (en) 2019-02-08 2023-10-24 Ipc Tfic, Llc Robotic magnetic flux leakage inspection system for cable stays and related methods

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992390A (en) * 1956-06-18 1961-07-11 Continental Oil Co Method and apparatus for electrical testing of pipe
US3060377A (en) * 1958-12-08 1962-10-23 Shell Oil Co Pipe inspection device
GB1032343A (en) * 1961-09-07 1966-06-08 Coal Industry Patents Ltd Method and apparatus for detecting flaws in wire ropes
US3284701A (en) * 1962-09-28 1966-11-08 Camco Inc Magnetic testing apparatus for measuring internal diameter and surface variations in wall casing
US3449662A (en) * 1963-10-16 1969-06-10 American Mach & Foundry Magnetic inspection method and apparatus using resilient magnetizing means and resilient sensors
US3443211A (en) * 1965-04-01 1969-05-06 American Mach & Foundry Magnetometer inspection apparatus for ferromagnetic objects
US3535624A (en) * 1967-06-13 1970-10-20 American Mach & Foundry Apparatus for inspecting the inside and outside of a tubular member continuously moving in one direction
US3532969A (en) * 1968-02-20 1970-10-06 Nat Lead Co Method for magnetically measuring wall thickness of metal pipes and plate structures
US3597678A (en) * 1968-12-24 1971-08-03 Williams Brothers Co Apparatus for sensing thickness variations, discontinuities, and the like in elongated steel structures by measuring variations in magnetic properties utilizing a flux gate
US3899734A (en) * 1973-05-14 1975-08-12 Vetco Offshore Ind Inc Magnetic flux leakage inspection method and apparatus including magnetic diodes
US3906358A (en) * 1973-11-12 1975-09-16 Combustion Eng Probe train including a flaw detector and a radiation responsive recording means with alignment means having a natural curved cast
US3949292A (en) * 1974-03-15 1976-04-06 Vetco Offshore Industries, Inc. Pipeline inspection device with pivotal support structure
US3967194A (en) * 1974-03-15 1976-06-29 Vetco Offshore Industries Method for flaw location in a magnetizable pipeline by use of magnetic markers positioned outside of said pipeline
US3940689A (en) * 1974-05-14 1976-02-24 Schlumberger Technology Corporation Combined eddy current and leakage field detector for well bore piping using a unique magnetizer core structure
US4088946A (en) * 1975-07-28 1978-05-09 Westinghouse Electric Corp. Magnetic bridge transducer formed with permanent magnets and a hall effect sensor for identifying the presence and location of ferromagnetic discontinuities within or on a tubular specimen
DE2656111C3 (de) * 1975-12-11 1981-02-26 Magnetic Analysis Corp., Mount Vernon, N.Y. (V.St.A.) Wirbelstromprüfgerät
GB1567166A (en) * 1976-12-16 1980-05-14 British Gas Corp Apparatus and method for the non-destructive testing of ferromagnetic material
GB1586581A (en) * 1977-01-26 1981-03-18 British Gas Corp Pipeline inspection equipment
JPS55101044A (en) * 1979-01-29 1980-08-01 Denshi Jiki Kogyo Kk Flaw detector
GB2044459B (en) * 1979-03-16 1983-10-26 British Gas Corp Velocity correction arrangement for non-destructive testing apparatus
GB2086051B (en) * 1980-10-17 1984-07-25 British Gas Corp Pipeline inspection vehicle
JPS59217160A (ja) * 1983-05-25 1984-12-07 Hitachi Ltd 渦電流探傷プロ−ブ

Also Published As

Publication number Publication date
JPS63133054A (ja) 1988-06-04
ES2051747T3 (es) 1994-07-01
AU8052187A (en) 1988-05-05
EP0266103A3 (en) 1989-11-08
US4789827A (en) 1988-12-06
EP0266103B1 (de) 1994-05-18
DE3789848D1 (de) 1994-06-23
EP0266103A2 (de) 1988-05-04
CA1277710C (en) 1990-12-11
DE3789848T2 (de) 1994-09-01
AU595748B2 (en) 1990-04-05
JPH0664012B2 (ja) 1994-08-22

Similar Documents

Publication Publication Date Title
ATE105935T1 (de) Magnetischer streuflussfühler zur zerstörungsfreien prüfung.
CA2299373A1 (en) Eddy-current testing probe
JPS5772033A (en) Contact-free measurement of static and dynamic torque
ATE125955T1 (de) Verfahren und vorrichtung für nmr- diffusionsmessung.
US3401332A (en) Magnetic leakage field and eddy current flaw detection system
GEP20012591B (en) Device for Detection of Analytes
GB2191294B (en) Apparatus determining the concentration of a paramagnetic gas by measuring its pressure when subjected to an ac magnetic field
CA1270303C (en) PROBE FOR COMPOSITE ANALYTICAL APPARATUS
SE7706471L (sv) Forfarande och anordning for magnetisk provning av material
GB1534673A (en) Eddy current measuring bridge
FI853491A7 (fi) Menetelmä ja pyörrevirtatestaussondi ruuvien tutkimiseksi.
JPS57128842A (en) Method and device for discrimination of dissimilar material in eddy current flaw detection
FI98763B (fi) Pyörrevirtamittaussondi höyrykattilan putkien koestamiseksi
SE8700659L (sv) Anordning och/eller sett for metning av storhet via avstandsmetning
JPS551533A (en) Magnetic flaw detection apparatus of rope
JPS56142453A (en) Magnetic single crystal defect inspecting method
SU920600A1 (ru) Магнитоконтактный преобразователь
SU1427284A1 (ru) Проходной индуктивный преобразователь дл неразрушающего контрол
SU1024819A1 (ru) Способ электромагнитной дефектометрии
JPS6436392A (en) Sheet paper discriminator
RU2079809C1 (ru) Параметрический накладной датчик
RU2034235C1 (ru) Способ измерения глубины дефекта в ферромагнитном изделии и устройство для его осуществления
Zenin et al. Induction Probes to Detect Magnetic Field Discontinuities in Wide Strip Inspection
JPS59501919A (ja) 磁気検査ユニット
SU1295317A1 (ru) Способ контрол прот женных ферромагнитных изделий

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee