FR2851337B1 - FAULT SENSOR COMPRISING A MAGNETORESISTANCE AND AN ELECTRIC POLARIZATION CIRCUIT - Google Patents

FAULT SENSOR COMPRISING A MAGNETORESISTANCE AND AN ELECTRIC POLARIZATION CIRCUIT

Info

Publication number
FR2851337B1
FR2851337B1 FR0301999A FR0301999A FR2851337B1 FR 2851337 B1 FR2851337 B1 FR 2851337B1 FR 0301999 A FR0301999 A FR 0301999A FR 0301999 A FR0301999 A FR 0301999A FR 2851337 B1 FR2851337 B1 FR 2851337B1
Authority
FR
France
Prior art keywords
magnetoresistance
electric polarization
fault sensor
polarization circuit
circuit
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 - Fee Related
Application number
FR0301999A
Other languages
French (fr)
Other versions
FR2851337A1 (en
Inventor
Gilbert Wache
Christophe Dolabdjian
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.)
Cegelec SA
Original Assignee
Cegelec 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 Cegelec SA filed Critical Cegelec SA
Priority to FR0301999A priority Critical patent/FR2851337B1/en
Publication of FR2851337A1 publication Critical patent/FR2851337A1/en
Application granted granted Critical
Publication of FR2851337B1 publication Critical patent/FR2851337B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N27/902—Arrangements for scanning by moving the sensors
FR0301999A 2003-02-19 2003-02-19 FAULT SENSOR COMPRISING A MAGNETORESISTANCE AND AN ELECTRIC POLARIZATION CIRCUIT Expired - Fee Related FR2851337B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0301999A FR2851337B1 (en) 2003-02-19 2003-02-19 FAULT SENSOR COMPRISING A MAGNETORESISTANCE AND AN ELECTRIC POLARIZATION CIRCUIT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0301999A FR2851337B1 (en) 2003-02-19 2003-02-19 FAULT SENSOR COMPRISING A MAGNETORESISTANCE AND AN ELECTRIC POLARIZATION CIRCUIT

Publications (2)

Publication Number Publication Date
FR2851337A1 FR2851337A1 (en) 2004-08-20
FR2851337B1 true FR2851337B1 (en) 2005-07-08

Family

ID=32749674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0301999A Expired - Fee Related FR2851337B1 (en) 2003-02-19 2003-02-19 FAULT SENSOR COMPRISING A MAGNETORESISTANCE AND AN ELECTRIC POLARIZATION CIRCUIT

Country Status (1)

Country Link
FR (1) FR2851337B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3062916B1 (en) 2017-02-10 2019-04-05 Areva Np TUBE INSPECTION ASSEMBLY WITH A FOUCAULT CURRENT PROBE AND METHOD THEREOF

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659248A (en) * 1994-10-17 1997-08-19 General Electric Company Multilayer eddy current probe array for complete coverage of an inspection surface without mechanical scanning
US6150809A (en) * 1996-09-20 2000-11-21 Tpl, Inc. Giant magnetorestive sensors and sensor arrays for detection and imaging of anomalies in conductive materials
US6504363B1 (en) * 2000-03-07 2003-01-07 Teodor Dogaru Sensor for eddy current testing and method of use thereof
US6992482B2 (en) * 2000-11-08 2006-01-31 Jentek Sensors, Inc. Magnetic field sensor having a switchable drive current spatial distribution
US6888346B2 (en) * 2000-11-28 2005-05-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Magnetoresistive flux focusing eddy current flaw detection

Also Published As

Publication number Publication date
FR2851337A1 (en) 2004-08-20

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20061031