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FR92982E - Method of non-destructive testing by eddy currents of electrically conductive tubes, and corresponding apparatus. - Google Patents

Method of non-destructive testing by eddy currents of electrically conductive tubes, and corresponding apparatus.

Info

Publication number
FR92982E
FR92982E FR107736A FR107736A FR92982E FR 92982 E FR92982 E FR 92982E FR 107736 A FR107736 A FR 107736A FR 107736 A FR107736 A FR 107736A FR 92982 E FR92982 E FR 92982E
Authority
FR
France
Prior art keywords
electrically conductive
eddy currents
destructive testing
corresponding apparatus
conductive tubes
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
FR107736A
Other languages
French (fr)
Inventor
Jean-Pierre Dufayet
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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
Priority claimed from FR45542A external-priority patent/FR1470386A/en
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR107736A priority Critical patent/FR92982E/en
Priority to US725100A priority patent/US3543145A/en
Priority to BE714379D priority patent/BE714379A/xx
Priority to CH648968A priority patent/CH491384A/en
Priority to LU56053D priority patent/LU56053A1/xx
Priority to GB24209/68A priority patent/GB1154300A/en
Priority to ES354275A priority patent/ES354275A1/en
Priority to DE1773493A priority patent/DE1773493C3/en
Priority to FR170227A priority patent/FR95394E/en
Publication of FR92982E publication Critical patent/FR92982E/en
Application granted granted Critical
Priority to GB05335/69A priority patent/GB1255064A/en
Priority to DE1917855A priority patent/DE1917855C3/en
Priority to ES372634A priority patent/ES372634A1/en
Priority to US876257A priority patent/US3697868A/en
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
    • G01N27/9013—Arrangements for scanning
    • G01N27/9026—Arrangements for scanning by moving the material

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)
FR107736A 1966-01-11 1967-05-25 Method of non-destructive testing by eddy currents of electrically conductive tubes, and corresponding apparatus. Expired FR92982E (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FR107736A FR92982E (en) 1966-01-11 1967-05-25 Method of non-destructive testing by eddy currents of electrically conductive tubes, and corresponding apparatus.
US725100A US3543145A (en) 1967-05-25 1968-04-29 Eddy current method and apparatus for the nondestructive testing of electrically conductive tubes utilizing two mutually coupled hartley oscillators
BE714379D BE714379A (en) 1967-05-25 1968-04-29
CH648968A CH491384A (en) 1967-05-25 1968-05-01 Method of non-destructive testing by eddy currents of an electrically conductive material tube and corresponding apparatus
LU56053D LU56053A1 (en) 1967-05-25 1968-05-10
GB24209/68A GB1154300A (en) 1967-05-25 1968-05-21 A method for the Nondestructive Testing by Eddy Currents of Electricity Conducting Tubes
ES354275A ES354275A1 (en) 1967-05-25 1968-05-24 Eddy current method and apparatus for the nondestructive testing of electrically conductive tubes utilizing two mutually coupled hartley oscillators
DE1773493A DE1773493C3 (en) 1967-05-25 1968-05-24 Device for the non-destructive testing of pipes made of electrically conductive material
FR170227A FR95394E (en) 1966-01-11 1968-10-17 Method of non-destructive testing by eddy currents of electrically conductive tubes and corresponding apparatus.
GB05335/69A GB1255064A (en) 1966-01-11 1969-03-24 Method of non-destructive eddy-current testing of electrically conductive tubes and corresponding apparatus
DE1917855A DE1917855C3 (en) 1966-01-11 1969-04-08 Device for non-destructive testing of materials using the eddy current method
ES372634A ES372634A1 (en) 1966-01-11 1969-10-17 Frequency controlled hartley oscillator circuit for non-destructive eddy current testing of an electrically conductive material
US876257A US3697868A (en) 1966-01-11 1969-11-13 Frequency controlled hartley oscillator circuit for non-destructive eddy current testing of an electrically conductive material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR45542A FR1470386A (en) 1966-01-11 1966-01-11 Method of non-destructive testing by eddy currents of electrically conductive tubes, and corresponding apparatus
FR107736A FR92982E (en) 1966-01-11 1967-05-25 Method of non-destructive testing by eddy currents of electrically conductive tubes, and corresponding apparatus.

Publications (1)

Publication Number Publication Date
FR92982E true FR92982E (en) 1969-01-24

Family

ID=38626910

Family Applications (1)

Application Number Title Priority Date Filing Date
FR107736A Expired FR92982E (en) 1966-01-11 1967-05-25 Method of non-destructive testing by eddy currents of electrically conductive tubes, and corresponding apparatus.

Country Status (1)

Country Link
FR (1) FR92982E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2228679B1 (en) * 1972-06-13 1973-09-13 Thyssen Niederrhein Ag Huetten- Und Walzwerke, 4200 Oberhausen Device for continuous measurement of the cross section of wire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2228679B1 (en) * 1972-06-13 1973-09-13 Thyssen Niederrhein Ag Huetten- Und Walzwerke, 4200 Oberhausen Device for continuous measurement of the cross section of wire

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