FR2751080B1 - METHOD AND DEVICE FOR DETECTING CROSS-FAULTS ON THE SURFACE OF A CONDUCTIVE OBLONG PART - Google Patents

METHOD AND DEVICE FOR DETECTING CROSS-FAULTS ON THE SURFACE OF A CONDUCTIVE OBLONG PART

Info

Publication number
FR2751080B1
FR2751080B1 FR9608799A FR9608799A FR2751080B1 FR 2751080 B1 FR2751080 B1 FR 2751080B1 FR 9608799 A FR9608799 A FR 9608799A FR 9608799 A FR9608799 A FR 9608799A FR 2751080 B1 FR2751080 B1 FR 2751080B1
Authority
FR
France
Prior art keywords
faults
detecting cross
oblong part
conductive
conductive oblong
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
FR9608799A
Other languages
French (fr)
Other versions
FR2751080A1 (en
Inventor
Lafita Oukhellou
Patrice Aknin
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 National de Recherche sur les Transports et leur Securite INRETS
Original Assignee
Institut National de Recherche sur les Transports et leur Securite INRETS
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 National de Recherche sur les Transports et leur Securite INRETS filed Critical Institut National de Recherche sur les Transports et leur Securite INRETS
Priority to FR9608799A priority Critical patent/FR2751080B1/en
Publication of FR2751080A1 publication Critical patent/FR2751080A1/en
Application granted granted Critical
Publication of FR2751080B1 publication Critical patent/FR2751080B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08—Measuring installations for surveying permanent way
    • B61K9/10—Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (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)
FR9608799A 1996-07-15 1996-07-15 METHOD AND DEVICE FOR DETECTING CROSS-FAULTS ON THE SURFACE OF A CONDUCTIVE OBLONG PART Expired - Fee Related FR2751080B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9608799A FR2751080B1 (en) 1996-07-15 1996-07-15 METHOD AND DEVICE FOR DETECTING CROSS-FAULTS ON THE SURFACE OF A CONDUCTIVE OBLONG PART

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9608799A FR2751080B1 (en) 1996-07-15 1996-07-15 METHOD AND DEVICE FOR DETECTING CROSS-FAULTS ON THE SURFACE OF A CONDUCTIVE OBLONG PART

Publications (2)

Publication Number Publication Date
FR2751080A1 FR2751080A1 (en) 1998-01-16
FR2751080B1 true FR2751080B1 (en) 1998-10-23

Family

ID=9494037

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9608799A Expired - Fee Related FR2751080B1 (en) 1996-07-15 1996-07-15 METHOD AND DEVICE FOR DETECTING CROSS-FAULTS ON THE SURFACE OF A CONDUCTIVE OBLONG PART

Country Status (1)

Country Link
FR (1) FR2751080B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167917A1 (en) * 2000-06-29 2002-01-02 Snecma Moteurs Method for wall thickness measurement of a hollow blade

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10025066A1 (en) * 2000-05-23 2001-12-13 Bahn Ag Forschungs Und Technol Method and device for the detection and evaluation of surface damage to installed rails and switch components
WO2002016184A1 (en) * 2000-08-25 2002-02-28 Em-Tech Llc Detection of anomalies on railroad tracks
DE102004011843A1 (en) * 2004-03-09 2005-09-29 Db Netz Ag Method and device for detecting faults in railway tracks
DE102010020597A1 (en) * 2010-05-14 2011-11-17 Eurailscout Inspection & Analysis Bv Niederlassung Berlin Method and device for testing rails on so-called corrugations

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE631047C (en) * 1931-08-12 1936-06-11 Franz Unger Dr Device for the detection of defects in workpieces, especially in weld seams
NZ195142A (en) * 1979-10-15 1984-09-28 Commw Scient Ind Res Org Monitoring integrity of longitudinal steel members in conveyor belts and cables
SU1010537A1 (en) * 1981-06-02 1983-04-07 Уфимский авиационный институт им.Орджоникидзе Strapped electromagnetic converter
DE69324242T2 (en) * 1992-01-31 1999-08-19 Northrop Grumman Corp Vortex current probe system in an array

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167917A1 (en) * 2000-06-29 2002-01-02 Snecma Moteurs Method for wall thickness measurement of a hollow blade

Also Published As

Publication number Publication date
FR2751080A1 (en) 1998-01-16

Similar Documents

Publication Publication Date Title
FR2764065B1 (en) PROCESS AND DEVICE FOR THE CHARACTERIZATION OF OIL WELL EFFLUENTS
FR2656422B1 (en) METHOD AND DEVICE FOR DETECTING THE PRESENCE OF MOISTURE ON A SUBSTRATE.
FR2703786B1 (en) ULTRASONIC METHOD AND DEVICE FOR DETECTION AND IDENTIFICATION OF CONTAMINANT SUCH AS FROST ON THE SURFACE OF A STRUCTURE.
FR2497956B1 (en) DEVICE AND METHOD FOR DETECTION OF THE CONTINUOUS COMPONENT OF AN ALTERNATING CURVE
FR2704650B1 (en) Method and device for instant detection and identification of an entity.
FR2738174B1 (en) APPARATUS AND METHOD FOR MICROFINING A SURFACE
FR2749401B1 (en) ULTRASONIC DETECTION DEVICE FOR DETECTION OF FOREIGN BODIES PRESENT ON THE SURFACE OF A GLASS
FR2785517B1 (en) METHOD AND DEVICE FOR DETERMINING THE CENTER OF A JOINT
FR2728369B1 (en) METHOD AND DEVICE FOR INCREASING THE SECURITY OF AN INTEGRATED CIRCUIT
FR2751080B1 (en) METHOD AND DEVICE FOR DETECTING CROSS-FAULTS ON THE SURFACE OF A CONDUCTIVE OBLONG PART
FR2722301B1 (en) METHOD AND DEVICE FOR MEASURING THE SPEED OF A MOBILE
FR2646519B1 (en) METHOD AND DEVICE FOR DETERMINING THE DISTRIBUTION OF RADIATION (BETA) EMERGING FROM A SURFACE
FR2712702B1 (en) Method and device for determining the direction of a signal source.
FR2681134B1 (en) DEVICE FOR DETECTING THE OPENING OF AN APPARATUS.
FR2683036B1 (en) METHOD AND DEVICE FOR DETERMINING THE ORIENTATION OF A SOLID.
FR2730436B1 (en) METHOD AND DEVICE FOR DESSABLING A FOUNDRY PIECE
FR2752295B1 (en) METHOD AND DEVICE FOR DETERMINING THE GENERAL FORMS OF A CAVITY
FR2734646B1 (en) MONITORING DEVICE FOR MEASURING THE RADIOACTIVITY OF A SURFACE
FR2593599B1 (en) METHOD AND DEVICE FOR NON-CONTACT DETERMINATION OF THE RELIEF OF A SURFACE
FR2738844B1 (en) METHOD AND DEVICE FOR CLEANING THE ELECTROLYTE OF AN ELECTROCHEMICAL MACHINING OPERATION
FR2754167B1 (en) DEVICE FOR IMPROVING CARDIOVASCULAR IMAGING
FR2728339B1 (en) METHOD AND DEVICE FOR ESTIMATING GYROMETRIC BIAS
FR2639107B1 (en) METHOD AND DEVICE FOR DETECTING THE CONDITION OF A VALVE
FR2680833B1 (en) METHOD AND DEVICE FOR DETECTING THE FOULING OF A CANDLE.
FR2556858B1 (en) METHOD AND DEVICE FOR OBTAINING AN IMAGE BASED ON CONTRAST DISCRIMINATION

Legal Events

Date Code Title Description
ST Notification of lapse