DE3066364D1 - Method and apparatus for eddy current testing of metallic products and application of the method and apparatus - Google Patents

Method and apparatus for eddy current testing of metallic products and application of the method and apparatus

Info

Publication number
DE3066364D1
DE3066364D1 DE8080400759T DE3066364T DE3066364D1 DE 3066364 D1 DE3066364 D1 DE 3066364D1 DE 8080400759 T DE8080400759 T DE 8080400759T DE 3066364 T DE3066364 T DE 3066364T DE 3066364 D1 DE3066364 D1 DE 3066364D1
Authority
DE
Germany
Prior art keywords
application
eddy current
current testing
metallic products
metallic
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
Application number
DE8080400759T
Other languages
English (en)
Inventor
Bernard Boehm
Marc Lacroix
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Application granted granted Critical
Publication of DE3066364D1 publication Critical patent/DE3066364D1/de
Expired 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
    • G01N27/904—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
    • 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

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)
DE8080400759T 1979-06-14 1980-05-29 Method and apparatus for eddy current testing of metallic products and application of the method and apparatus Expired DE3066364D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7915481A FR2459476A1 (fr) 1979-06-14 1979-06-14 Procede et dispositif d'inspection de produits metalliques par courants de foucault

Publications (1)

Publication Number Publication Date
DE3066364D1 true DE3066364D1 (en) 1984-03-08

Family

ID=9226711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080400759T Expired DE3066364D1 (en) 1979-06-14 1980-05-29 Method and apparatus for eddy current testing of metallic products and application of the method and apparatus

Country Status (4)

Country Link
US (1) US4631688A (de)
EP (1) EP0021893B1 (de)
DE (1) DE3066364D1 (de)
FR (1) FR2459476A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4481471A (en) * 1981-08-14 1984-11-06 Westinghouse Electric Corp. Method and apparatus for the detection of anomalies in rotating members
FR2515353A1 (fr) * 1981-10-27 1983-04-29 Siderurgie Fse Inst Rech Procede de detection de defauts d'un produit metallique par courants de foucault
US4751461A (en) * 1985-11-18 1988-06-14 Western Atlas International, Inc. Method of locating and determining the extent of corrosion in tubular goods
DE3542159A1 (de) * 1985-11-28 1987-06-04 Nukem Gmbh Verfahren zur werkstoffpruefung nach dem wirbelstromprinzip und vorrichtung zur durchfuehrung des verfahrens
GB8606564D0 (en) * 1986-03-17 1986-04-23 Atomic Energy Authority Uk Magnetic discontinuity detection
US4763274A (en) * 1986-06-24 1988-08-09 Westinghouse Electric Corp. Machine implemented analysis eddy current data
US5144565A (en) * 1990-03-26 1992-09-01 K. J. Law Engineers, Inc. Measurement of metallurgical properties in ferromagnetic test parts
US6768298B2 (en) * 2001-07-17 2004-07-27 Transportation Technology Center, Inc. Transverse crack detection in rail head using low frequency eddy currents
US6959267B2 (en) * 2004-01-09 2005-10-25 Westinghouse Electric Co. Llc Method of inspecting a heat exchanger and computer program product for facilitating same
US11680867B2 (en) 2004-06-14 2023-06-20 Wanda Papadimitriou Stress engineering assessment of risers and riser strings
US11710489B2 (en) 2004-06-14 2023-07-25 Wanda Papadimitriou Autonomous material evaluation system and method
US7557570B2 (en) * 2005-11-03 2009-07-07 The Clock Spring Company L.P. System and method for producing color contour maps of surface defects of high pressure pipelines
BR112013008984A2 (pt) * 2010-10-14 2016-07-05 Halliburton Energy Services Inc método de medição remota da espessura de um campo com correntes de foucault na configuração multi tubular
WO2019207603A1 (en) * 2018-04-27 2019-10-31 Magnic Technologies Pvt Ltd Device and method of detecting ferrous impurities in gold products for quality assurance

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295362A (en) * 1963-07-15 1967-01-03 American Mach & Foundry Method of and apparatus for ultrasonic inspection utilizing correlation techniques
US3422346A (en) * 1965-02-01 1969-01-14 Republic Steel Corp Eddy current inspection system
FR95394E (fr) * 1966-01-11 1970-09-11 Commissariat Energie Atomique Procédé de controle non destructif par courants de foucault de tubes conducteurs de l'électricité et appareil correspondant.
GB1567600A (en) * 1975-10-15 1980-05-21 British Gas Corp Lipe line inspection equipment
US4263551A (en) * 1975-10-16 1981-04-21 Georgetown University Method and apparatus for identifying conductive objects by monitoring the true resistive component of impedance change in a coil system caused by the object
FR2339170A1 (fr) * 1976-01-22 1977-08-19 Commissariat Energie Atomique Pont de mesure pour dispositif de controle par courants de foucault
DE2614382A1 (de) * 1976-04-02 1977-10-13 Mo Energeticheskij Institut Einrichtung zur zerstoerungsfreien guetekontrolle gestreckter elektrisch leitender prueflinge
FR2425069A1 (en) * 1977-05-10 1979-11-30 Setim Product surface fault repair control - utilises microprocessor operating from data received by memory from detector
FR2412841A1 (fr) * 1977-12-26 1979-07-20 Siderurgie Fse Inst Rech Dispositif electromagnetique d'inspection par courants de foucault
DE2814125C2 (de) * 1978-04-01 1986-03-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Vorrichtung zur zerstörungsfreien Werkstoffprüfung
US4207520A (en) * 1978-04-06 1980-06-10 The United States Of America As Represented By The Secretary Of The Air Force Multiple frequency digital eddy current inspection system
FR2422952A1 (fr) * 1978-04-10 1979-11-09 Siderurgie Fse Inst Rech Procede et dispositif de detection par courants de foucault des variations d'un parametre lie a un produit metallique
US4283680A (en) * 1979-02-26 1981-08-11 Goring Kerr Limited Electrical bridge balancing circuit

Also Published As

Publication number Publication date
EP0021893B1 (de) 1984-02-01
US4631688A (en) 1986-12-23
EP0021893A1 (de) 1981-01-07
FR2459476B1 (de) 1985-02-15
FR2459476A1 (fr) 1981-01-09

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee