DE3065689D1 - Device for detecting flaws in a metallic plate by means of eddy currents, and method using this device - Google Patents

Device for detecting flaws in a metallic plate by means of eddy currents, and method using this device

Info

Publication number
DE3065689D1
DE3065689D1 DE8080401222T DE3065689T DE3065689D1 DE 3065689 D1 DE3065689 D1 DE 3065689D1 DE 8080401222 T DE8080401222 T DE 8080401222T DE 3065689 T DE3065689 T DE 3065689T DE 3065689 D1 DE3065689 D1 DE 3065689D1
Authority
DE
Germany
Prior art keywords
metallic plate
eddy currents
detecting flaws
flaws
detecting
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
DE8080401222T
Other languages
German (de)
English (en)
Inventor
Jean-Claude Lecomte
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.)
Areva NP SAS
Original Assignee
Framatome SA
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 Framatome SA filed Critical Framatome SA
Application granted granted Critical
Publication of DE3065689D1 publication Critical patent/DE3065689D1/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
    • G01N27/9093—Arrangements for supporting the sensor; Combinations of eddy-current sensors and auxiliary arrangements for marking or for rejecting

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)
DE8080401222T 1979-08-28 1980-08-27 Device for detecting flaws in a metallic plate by means of eddy currents, and method using this device Expired DE3065689D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7921495A FR2464473A1 (fr) 1979-08-28 1979-08-28 Dispositif de detection des defauts d'une plaque metallique au moyen de courants de foucault et procede utilisant ce dispositif

Publications (1)

Publication Number Publication Date
DE3065689D1 true DE3065689D1 (en) 1983-12-29

Family

ID=9229107

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080401222T Expired DE3065689D1 (en) 1979-08-28 1980-08-27 Device for detecting flaws in a metallic plate by means of eddy currents, and method using this device

Country Status (6)

Country Link
EP (1) EP0024991B1 (OSRAM)
CA (1) CA1158721A (OSRAM)
DE (1) DE3065689D1 (OSRAM)
ES (1) ES494528A0 (OSRAM)
FR (1) FR2464473A1 (OSRAM)
YU (1) YU39884B (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9015681D0 (en) * 1990-07-17 1990-09-05 Williams Inspection Services L Ndt probe
US6426622B1 (en) * 2000-12-21 2002-07-30 General Electric Company Fixture for eddy current inspection probes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA953364A (en) * 1970-07-20 1974-08-20 Amf Incorporated Apparatus and method for pipeline inspection
US3718855A (en) * 1970-11-30 1973-02-27 R Cordova Eddy current flaw detection system
US3736501A (en) * 1971-03-25 1973-05-29 Automation Ind Inc Rotatable test device having diametrically opposed sensors and counterweights interlinked for radial movement by centrifugal force
FR2361647A1 (fr) * 1976-08-09 1978-03-10 Commissariat Energie Atomique Procede de controle par ultra-sons avec filtrage a la frequence de balayage et dispositif correspondant
US4134067A (en) * 1977-09-09 1979-01-09 The Boeing Company Rotary eddy current flaw detector utilizing differentially unbalanced coils and the amplitude of a rotary induced pulse to produce the charging voltage for the sweep generator
US4142154A (en) * 1977-09-16 1979-02-27 General Dynamics Corporation Hole tester using a permeable protective sleeve insertible in said hole and adapted to receive a relatively movable eddy current probe

Also Published As

Publication number Publication date
YU39884B (en) 1985-04-30
ES8105884A1 (es) 1981-06-01
FR2464473B1 (OSRAM) 1983-04-01
EP0024991B1 (fr) 1983-11-23
EP0024991A1 (fr) 1981-03-11
FR2464473A1 (fr) 1981-03-06
ES494528A0 (es) 1981-06-01
CA1158721A (fr) 1983-12-13
YU213580A (en) 1982-10-31

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