FR2350600A1 - Appareil d'essai magnetique pour detecter les defauts des objets longs - Google Patents

Appareil d'essai magnetique pour detecter les defauts des objets longs

Info

Publication number
FR2350600A1
FR2350600A1 FR7712997A FR7712997A FR2350600A1 FR 2350600 A1 FR2350600 A1 FR 2350600A1 FR 7712997 A FR7712997 A FR 7712997A FR 7712997 A FR7712997 A FR 7712997A FR 2350600 A1 FR2350600 A1 FR 2350600A1
Authority
FR
France
Prior art keywords
testing device
detect faults
long objects
magnetic testing
magnetic
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.)
Granted
Application number
FR7712997A
Other languages
English (en)
French (fr)
Other versions
FR2350600B1 (OSRAM
Inventor
Frank Kitzinger
Gregory A Wint
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.)
Noranda Inc
Original Assignee
Noranda Inc
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 Noranda Inc filed Critical Noranda Inc
Publication of FR2350600A1 publication Critical patent/FR2350600A1/fr
Application granted granted Critical
Publication of FR2350600B1 publication Critical patent/FR2350600B1/fr
Granted 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

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)
FR7712997A 1976-05-06 1977-04-29 Appareil d'essai magnetique pour detecter les defauts des objets longs Granted FR2350600A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA251,932A CA1038037A (en) 1976-05-06 1976-05-06 Magnetic testing device for detecting defects in elongated objects

Publications (2)

Publication Number Publication Date
FR2350600A1 true FR2350600A1 (fr) 1977-12-02
FR2350600B1 FR2350600B1 (OSRAM) 1981-02-27

Family

ID=4105885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712997A Granted FR2350600A1 (fr) 1976-05-06 1977-04-29 Appareil d'essai magnetique pour detecter les defauts des objets longs

Country Status (8)

Country Link
US (1) US4096437A (OSRAM)
AT (1) AT376805B (OSRAM)
CA (1) CA1038037A (OSRAM)
CH (1) CH615758A5 (OSRAM)
FR (1) FR2350600A1 (OSRAM)
GB (1) GB1539313A (OSRAM)
IT (1) IT1084632B (OSRAM)
SE (1) SE424775B (OSRAM)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039793A3 (en) * 1980-05-10 1983-04-06 Institut Dr. Friedrich Forster Prufgeratebau Gmbh & Co. Kg Method and apparatus to read a flaw signal
EP0134341A1 (en) * 1983-08-22 1985-03-20 Rotesco Inc. Magnetical testing device for supported objects
FR2623613A1 (fr) * 1987-11-23 1989-05-26 Anglo Amer Corp South Africa Procede et dispositif pour la detection de variations de sections dans un objet de grande longueur, notamment un cable
US5198765A (en) * 1990-11-07 1993-03-30 Walt Nicolaas T Van Der Method of and apparatus for simultaneously testing a wire rope for multiple defects
CN109100415A (zh) * 2018-09-03 2018-12-28 中国石油大学(北京) 可穿透管道保温层的无损检测装置

Families Citing this family (60)

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US4271763A (en) * 1978-05-15 1981-06-09 Berger Philip H Proximity detector
NZ195142A (en) * 1979-10-15 1984-09-28 Commw Scient Ind Res Org Monitoring integrity of longitudinal steel members in conveyor belts and cables
US4518919A (en) * 1981-01-16 1985-05-21 Tokyo Shibaura Denki Kabushiki Kaisha Detecting device for detecting a magnetic strip embedded in a sheet
GB2115559B (en) * 1981-07-28 1986-01-08 Inst Prikladnoi Fiziki Akademi Method and device for electromagnetic control of mechanical properties of moving ferromagnetic ogject
US4503393A (en) * 1981-10-05 1985-03-05 Exxon Production Research Co. Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor
US4510447A (en) * 1981-10-26 1985-04-09 Exxon Production Research Co. Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe
US4573013A (en) * 1982-03-29 1986-02-25 The United States Of America As Represented By The Secretary Of Transportation Magnetic inspection of reinforcing steel rods in prestressed concrete
US4449411A (en) * 1982-04-22 1984-05-22 Magnetic Analysis Corporation Magnetic and ultrasonic objects testing apparatus
US4546316A (en) * 1982-07-02 1985-10-08 Rotesco Limited Magnetic testing device for supported objects
US4555665A (en) * 1982-08-04 1985-11-26 Pa Incorporated Magnetic flux method for measuring tubular wall thickness
US4659991A (en) * 1983-03-31 1987-04-21 Ndt Technologies, Inc. Method and apparatus for magnetically inspecting elongated objects for structural defects
US4792756A (en) * 1984-04-11 1988-12-20 Pa Incorporated Method and apparatus for measuring axially extending defects in ferromagnetic elements
US4704580A (en) * 1984-04-11 1987-11-03 Pa Incorporated Method and apparatus for measuring the depth of local defects in ferromagnetic elements
US4710712A (en) * 1984-04-11 1987-12-01 Pa Incorporated Method and apparatus for measuring defects in ferromagnetic elements
US4715442A (en) * 1984-04-11 1987-12-29 Pa Incorporated Apparatus for servicing tubular strings in subterranean wells
US4629991A (en) * 1984-04-11 1986-12-16 Pa Incorporated Methods and apparatus for detecting tubular defects having a plurality of expandable arcuate segments
US4636727A (en) * 1984-04-11 1987-01-13 Pa Incorporated Method and apparatus for detecting the location of defects in tubular sections moving past a well head
PL148290B1 (en) * 1985-03-05 1989-10-31 Wyzsza Szkola Pedagog Magnetic defectograph sensing element for determining changes in cross-sectional areas over substantial length of an object being examined
GB2173300B (en) * 1985-04-06 1989-06-28 Schaudt Maschinenbau Gmbh Apparatus for optically monitoring the surface finish of ground workpieces
DE3535117C1 (de) * 1985-10-02 1986-12-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren und Vorrichtung zum Vermessen von in nichtmagnetischen Materialien verlegten ferromagnetischen Gegenstaenden
AT389945B (de) * 1986-02-17 1990-02-26 Evg Entwicklung Verwert Ges Verfahren zum ermitteln von fuer die metallurgischen und/oder mechanischen eigenschaften eines magnetisierbaren prueflings massgeblichen parametern auf zerstoerungsfreiem, magnetinduktivem wege, sowie einrichtung zum ausueben dieses verfahrens
ZA871964B (OSRAM) * 1986-03-25 1987-09-07
GB2203549B (en) * 1987-04-15 1991-05-01 Julian Marsden Carroll Metal corrosion detection
GB8714877D0 (en) * 1987-06-25 1987-07-29 Coal Industry Patents Ltd Non-destructive testing device
DE3723360A1 (de) * 1987-07-15 1989-01-26 Nukem Gmbh Verfahren und vorrichtung zur zerstoerungsfreien pruefung ferromagnetischer koerper mittels magnetisierung
DE9011478U1 (de) * 1990-08-07 1990-12-20 Nukem GmbH, 63755 Alzenau Anordnung zur zerstörungsfreien Werkstoffprüfung
DE9011477U1 (de) * 1990-08-07 1990-12-20 Nukem GmbH, 63755 Alzenau Anordnung zur zerstörungsfreien Werkstoffprüfung
US5245279A (en) * 1992-06-18 1993-09-14 Niagara Mohawk Power Corporation Apparatus and method including flux injector pole position sensors for detecting physical flaws in ferromagnetic objects
US5565771A (en) * 1995-01-18 1996-10-15 Noranda, Inc. Apparatus for increasing linear resolution of electromagnetic wire rope testing
US6057684A (en) * 1995-10-31 2000-05-02 Yoshihiro Murakami Magnetic flaw detection apparatus using an E-shaped magnetic sensor and high-pass filter
US5828213A (en) * 1996-10-21 1998-10-27 Hickman; Jack R. Method and apparatus for magnetically sampling the uniformity of an elongate object
US6133731A (en) * 1996-11-07 2000-10-17 Case Technologies Ltd. Method and apparatus for the on-line measurement of the strength of metal cables
US5804964A (en) * 1996-11-29 1998-09-08 Noranda Inc. Wire rope damage index monitoring device
US6633159B1 (en) * 1999-03-29 2003-10-14 Otis Elevator Company Method and apparatus for magnetic detection of degradation of jacketed elevator rope
US6100810A (en) * 1999-09-24 2000-08-08 Koorsen; John R. Sensing apparatus for controlling the assembly of rafters by monitoring the position metallic fasteners
GB0005945D0 (en) * 2000-03-14 2000-05-03 British Nuclear Fuels Plc Improvements in and relating to investigating current
GB0005946D0 (en) * 2000-03-14 2000-05-03 British Nuclear Fuels Plc Improvements in and relating to investigating corrosion
WO2002006812A1 (de) * 2000-07-13 2002-01-24 Eidgenössische Materialprüfungs- und Forschungsanstalt Empa Verfahren und vorrichtung zur zerstörungsfreien prüfung von stahlseilen in verankerungen
JP2004513365A (ja) 2000-11-09 2004-04-30 ブリティッシュ　ニュークリア　フュエルス　ピーエルシー 複数の電気的抵抗測定（フィールドシグニチャー方法、電気抵抗断層撮影法）の手段による、物質の損失を誘発した腐食のモニタリング
US6990384B2 (en) 2001-10-09 2006-01-24 Laharco, Inc. Truss plate detector
US6720873B1 (en) * 2003-03-03 2004-04-13 Brett D. Tressler Method and apparatus for testing magnetic proximity detectors on ski lifts
US7595636B2 (en) * 2005-03-11 2009-09-29 Baker Hughes Incorporated Apparatus and method of using accelerometer measurements for casing evaluation
WO2006106490A2 (en) * 2005-04-08 2006-10-12 Nxp B.V. Multi-axis accelerometer with magnetic field detectors
US20070222438A1 (en) * 2006-03-23 2007-09-27 Dale Reeves Electromagnetic flaw detection apparatus for inspection of a tubular
KR101154593B1 (ko) * 2007-01-31 2012-06-08 미쓰비시덴키 가부시키가이샤 여자용 자석의 제조 장치
KR101199653B1 (ko) * 2007-11-13 2012-11-08 미쓰비시덴키 가부시키가이샤 로프 검사 장치
US7719266B1 (en) * 2008-02-29 2010-05-18 Mehrooz Zamanzadeh Non-destructive testing apparatus for the detection of corrosion
JP5035729B2 (ja) * 2008-04-28 2012-09-26 国立大学法人京都大学 張力測定装置
US8368395B2 (en) * 2008-12-17 2013-02-05 Ndt Technologies, Inc. Magnetic inspection device and method for detecting loss in metallic cross section
USH2278H1 (en) * 2011-03-02 2013-07-02 The United States Of America, As Represented By The Secretary Of The Navy Onboard data recorder for a nondestructive test wire rope sensor head
CN103703361B (zh) * 2011-08-18 2017-06-20 贝卡尔特公司 股绳中的磁通量泄漏误差探测
US9651357B1 (en) 2013-02-07 2017-05-16 University Of South Florida Systems and methods for determining strand position in a post-tensioned tendon
FR3009076B1 (fr) * 2013-07-26 2017-03-31 Michelin & Cie Systeme de mesure de l'epaisseur d'une couche de gomme d'un pneumatique
FI126173B (en) 2013-11-12 2016-07-29 Konecranes Global Oy Condition monitoring of an object having an elongated iron-containing longitudinal axis
CN107076804A (zh) * 2014-11-17 2017-08-18 哈里伯顿能源服务公司 快速磁热点检测器
CN104458895A (zh) * 2014-12-08 2015-03-25 清华大学 管道三维漏磁成像检测方法及系统
FR3034201B1 (fr) * 2015-03-25 2019-04-19 Soletanche Freyssinet Procede de detection d'un defaut dans un fil metallique d'un ensemble de fils metalliques, en particulier pour une zone d'ancrage d'une structure d'ingenierie civile
US10465509B2 (en) 2016-10-12 2019-11-05 Baker Hughes, A Ge Company, Llc Collocated multitone acoustic beam and electromagnetic flux leakage evaluation downhole
US11493319B2 (en) 2021-03-10 2022-11-08 Roger Dale REEVES Electromagnetic multifunction inspection apparatus
WO2025080630A1 (en) * 2023-10-09 2025-04-17 Oceaneering International, Inc Concentrator for inspecting defects in a ferromagnetic object

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609530A (en) * 1968-03-13 1971-09-28 Atomic Energy Authority Uk Magnetic leakage field flaw detector with compensation for variation in spacing between magnetizer and test piece
US3710236A (en) * 1970-11-30 1973-01-09 Youngstown Sheet And Tube Co Magnetic leakage field flaw detector utilizing partially overlapping hall probes

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US3271664A (en) * 1961-12-04 1966-09-06 Magnaflux Corp Combined leakage field and eddy current detection system
GB1056765A (en) * 1962-09-15 1967-01-25 Akademia Gorniczo Hutnicza Dzi A magnetic crack detection device for examining elongated objects such as ropes, rodsand steel pipes
US3284701A (en) * 1962-09-28 1966-11-08 Camco Inc Magnetic testing apparatus for measuring internal diameter and surface variations in wall casing
US3315154A (en) * 1965-01-18 1967-04-18 United Gas Corp Method and apparatus for determining the wall thickness of metallic elements utilizing a reciprocal permanent magnet assembly
US3443211A (en) * 1965-04-01 1969-05-06 American Mach & Foundry Magnetometer inspection apparatus for ferromagnetic objects
US3361962A (en) * 1966-12-19 1968-01-02 Indiana General Corp Metal detector with adjustable frame assembly
US3529236A (en) * 1967-11-03 1970-09-15 American Mach & Foundry Magnetic flux sensors having core structure of generally closed configuration for use in nondestructive testing
US3843923A (en) * 1973-07-05 1974-10-22 Stewart & Stevenson Inc Jim Well pipe joint locator using a ring magnet and two sets of hall detectors surrounding the pipe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609530A (en) * 1968-03-13 1971-09-28 Atomic Energy Authority Uk Magnetic leakage field flaw detector with compensation for variation in spacing between magnetizer and test piece
US3710236A (en) * 1970-11-30 1973-01-09 Youngstown Sheet And Tube Co Magnetic leakage field flaw detector utilizing partially overlapping hall probes

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039793A3 (en) * 1980-05-10 1983-04-06 Institut Dr. Friedrich Forster Prufgeratebau Gmbh & Co. Kg Method and apparatus to read a flaw signal
EP0134341A1 (en) * 1983-08-22 1985-03-20 Rotesco Inc. Magnetical testing device for supported objects
FR2623613A1 (fr) * 1987-11-23 1989-05-26 Anglo Amer Corp South Africa Procede et dispositif pour la detection de variations de sections dans un objet de grande longueur, notamment un cable
US5036277A (en) * 1987-11-23 1991-07-30 Crucible Societe Anonyme Method of and apparatus for detecting cross sectional area variations in an elongate object by the non-inductive measurement of radial flux variations
US5198765A (en) * 1990-11-07 1993-03-30 Walt Nicolaas T Van Der Method of and apparatus for simultaneously testing a wire rope for multiple defects
CN109100415A (zh) * 2018-09-03 2018-12-28 中国石油大学(北京) 可穿透管道保温层的无损检测装置

Also Published As

Publication number Publication date
ATA317477A (de) 1984-05-15
FR2350600B1 (OSRAM) 1981-02-27
SE424775B (sv) 1982-08-09
US4096437A (en) 1978-06-20
SE7705144L (sv) 1977-11-07
CH615758A5 (OSRAM) 1980-02-15
IT1084632B (it) 1985-05-25
CA1038037A (en) 1978-09-05
AT376805B (de) 1985-01-10
GB1539313A (en) 1979-01-31

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Legal Events

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