FR2312777A1 - Perfectionnements apportes au controle electromagnetique de matieres ferromagnetiques - Google Patents

Perfectionnements apportes au controle electromagnetique de matieres ferromagnetiques

Info

Publication number
FR2312777A1
FR2312777A1 FR7517661A FR7517661A FR2312777A1 FR 2312777 A1 FR2312777 A1 FR 2312777A1 FR 7517661 A FR7517661 A FR 7517661A FR 7517661 A FR7517661 A FR 7517661A FR 2312777 A1 FR2312777 A1 FR 2312777A1
Authority
FR
France
Prior art keywords
component
subjected
magnetic field
inspection system
ferromagnetic materials
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
FR7517661A
Other languages
English (en)
French (fr)
Other versions
FR2312777B1 (enExample
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.)
Automobiles Citroen SA
Original Assignee
Automobiles Citroen 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 Automobiles Citroen SA filed Critical Automobiles Citroen SA
Priority to FR7517661A priority Critical patent/FR2312777A1/fr
Publication of FR2312777A1 publication Critical patent/FR2312777A1/fr
Application granted granted Critical
Publication of FR2312777B1 publication Critical patent/FR2312777B1/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
    • 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)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR7517661A 1975-05-30 1975-05-30 Perfectionnements apportes au controle electromagnetique de matieres ferromagnetiques Granted FR2312777A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7517661A FR2312777A1 (fr) 1975-05-30 1975-05-30 Perfectionnements apportes au controle electromagnetique de matieres ferromagnetiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7517661A FR2312777A1 (fr) 1975-05-30 1975-05-30 Perfectionnements apportes au controle electromagnetique de matieres ferromagnetiques

Publications (2)

Publication Number Publication Date
FR2312777A1 true FR2312777A1 (fr) 1976-12-24
FR2312777B1 FR2312777B1 (enExample) 1981-02-13

Family

ID=9156117

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517661A Granted FR2312777A1 (fr) 1975-05-30 1975-05-30 Perfectionnements apportes au controle electromagnetique de matieres ferromagnetiques

Country Status (1)

Country Link
FR (1) FR2312777A1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017682A3 (en) * 1979-04-17 1981-04-22 Geoprobe Limited Method and system for geophysical induction surveying
EP0066320A3 (en) * 1981-05-26 1984-04-25 Flather Bright Steels Limited Non-destructive testing
WO1989010557A1 (fr) * 1988-04-23 1989-11-02 Fraunhofer-Gesellschaft Zur Förderung Der Angewand Procede et appareil de mesure sans perturbations des proprietes magnetiques d'un objet
US5280240A (en) * 1989-10-02 1994-01-18 North American Philips Corporation Methodology using odd harmonic components of an induced magnetic field for analyzing superconducting magnetic materials and their properties
US5283524A (en) * 1989-10-02 1994-02-01 U.S. Philips Corporation AC magnetic susceptometer with odd harmonic measurement for analyzing superconductive magnetic materials

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017682A3 (en) * 1979-04-17 1981-04-22 Geoprobe Limited Method and system for geophysical induction surveying
EP0066320A3 (en) * 1981-05-26 1984-04-25 Flather Bright Steels Limited Non-destructive testing
WO1989010557A1 (fr) * 1988-04-23 1989-11-02 Fraunhofer-Gesellschaft Zur Förderung Der Angewand Procede et appareil de mesure sans perturbations des proprietes magnetiques d'un objet
US5028869A (en) * 1988-04-23 1991-07-02 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forshung E.V. Process and apparatus for the nondestructive measuring of magnetic properties of a test body, by detecting a tangential magnetic field and deriving harmonic components thereof
US5280240A (en) * 1989-10-02 1994-01-18 North American Philips Corporation Methodology using odd harmonic components of an induced magnetic field for analyzing superconducting magnetic materials and their properties
US5283524A (en) * 1989-10-02 1994-02-01 U.S. Philips Corporation AC magnetic susceptometer with odd harmonic measurement for analyzing superconductive magnetic materials

Also Published As

Publication number Publication date
FR2312777B1 (enExample) 1981-02-13

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Legal Events

Date Code Title Description
ST Notification of lapse