CH615758A5 - - Google Patents

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Publication number
CH615758A5
CH615758A5 CH561077A CH561077A CH615758A5 CH 615758 A5 CH615758 A5 CH 615758A5 CH 561077 A CH561077 A CH 561077A CH 561077 A CH561077 A CH 561077A CH 615758 A5 CH615758 A5 CH 615758A5
Authority
CH
Switzerland
Prior art keywords
magnetic flux
ring
measurement object
sensor
magnetic
Prior art date
Application number
CH561077A
Other languages
German (de)
English (en)
Inventor
Frank Kitzinger
Gregory A Wint
Original Assignee
Noranda Mines 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 Noranda Mines Ltd filed Critical Noranda Mines Ltd
Publication of CH615758A5 publication Critical patent/CH615758A5/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)
CH561077A 1976-05-06 1977-05-05 CH615758A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA251,932A CA1038037A (fr) 1976-05-06 1976-05-06 Dispositif d'essai magnetique pour detecter des defauts dans des objets de forme allongee

Publications (1)

Publication Number Publication Date
CH615758A5 true CH615758A5 (fr) 1980-02-15

Family

ID=4105885

Family Applications (1)

Application Number Title Priority Date Filing Date
CH561077A CH615758A5 (fr) 1976-05-06 1977-05-05

Country Status (8)

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

Families Citing this family (64)

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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
DE3017979A1 (de) * 1980-05-10 1981-11-12 Institut Dr. Friedrich Förster Prüfgerätebau, 7410 Reutlingen Verfahren und anordnung zum auswerten einer fehlersignalspannung
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
EP0134341A1 (fr) * 1983-08-22 1985-03-20 Rotesco Inc. Appareil de contrôle magnétique pour objets soutenus
US4629991A (en) * 1984-04-11 1986-12-16 Pa Incorporated Methods and apparatus for detecting tubular defects having a plurality of expandable arcuate segments
US4710712A (en) * 1984-04-11 1987-12-01 Pa Incorporated Method and apparatus for measuring defects in ferromagnetic elements
US4792756A (en) * 1984-04-11 1988-12-20 Pa Incorporated Method and apparatus for measuring axially extending defects in ferromagnetic elements
US4715442A (en) * 1984-04-11 1987-12-29 Pa Incorporated Apparatus for servicing tubular strings in subterranean wells
US4704580A (en) * 1984-04-11 1987-11-03 Pa Incorporated Method and apparatus for measuring the depth of local defects in ferromagnetic elements
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 (fr) * 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
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
DE9011477U1 (de) * 1990-08-07 1990-12-20 Nukem GmbH, 63755 Alzenau Anordnung zur zerstörungsfreien Werkstoffprüfung
DE9011478U1 (de) * 1990-08-07 1990-12-20 Nukem GmbH, 63755 Alzenau Anordnung zur zerstörungsfreien Werkstoffprüfung
CA2054797A1 (fr) * 1990-11-07 1992-05-08 Nicolaas T. Van Der Walt Controle electromagnetique de cables metalliques
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
CN1146729C (zh) * 1995-10-31 2004-04-21 日本钢管株式会社 磁传感器、使用磁传感器进行磁缺陷检测的方法及装置
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
GB0005946D0 (en) * 2000-03-14 2000-05-03 British Nuclear Fuels Plc Improvements in and relating to investigating corrosion
GB0005945D0 (en) * 2000-03-14 2000-05-03 British Nuclear Fuels Plc Improvements in and relating to investigating current
WO2002006812A1 (fr) * 2000-07-13 2002-01-24 Eidgenössische Materialprüfungs- und Forschungsanstalt Empa Procede et dispositif de controle non destructif de cables d"acier dans des dispositifs de fixation
EP1337841A1 (fr) 2000-11-09 2003-08-27 British Nuclear Fuels PLC Controle de la perte de materiau due a la corrosion au moyen d'une pluralite de releves de resistance electrique (methode de la signature du champ et tomographie par resistance electrique)
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
US7403000B2 (en) * 2005-03-11 2008-07-22 Baker Hughes Incorporated Apparatus and method of determining casing thickness and permeability
US7958782B2 (en) * 2005-04-08 2011-06-14 Nxp B.V. Device with a magnetic sensor arrangement for detecting acceleration
US20070222438A1 (en) * 2006-03-23 2007-09-27 Dale Reeves Electromagnetic flaw detection apparatus for inspection of a tubular
US8536861B2 (en) * 2007-01-31 2013-09-17 Mitsubishi Electric Corporation Wire rope flaw detector
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
AU2014412035B2 (en) * 2014-11-17 2018-09-13 Halliburton Energy Services, Inc. Rapid magnetic hotspot detector
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
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
US11493319B2 (en) 2021-03-10 2022-11-08 Roger Dale REEVES Electromagnetic multifunction inspection apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB1261346A (en) * 1968-03-13 1972-01-26 Atomic Energy Authority Uk Improvements in or relating to the detection of magnetic discontinuities
US3710236A (en) * 1970-11-30 1973-01-09 Youngstown Sheet And Tube Co Magnetic leakage field flaw detector utilizing partially overlapping hall probes
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

Also Published As

Publication number Publication date
FR2350600A1 (fr) 1977-12-02
US4096437A (en) 1978-06-20
SE7705144L (sv) 1977-11-07
SE424775B (sv) 1982-08-09
IT1084632B (it) 1985-05-25
ATA317477A (de) 1984-05-15
AT376805B (de) 1985-01-10
FR2350600B1 (fr) 1981-02-27
CA1038037A (fr) 1978-09-05
GB1539313A (en) 1979-01-31

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PL Patent ceased