IT1074264B - PROCEDURE AND DEVICE FOR NON-DESTRUCTIVE CONTROL BY MEANS OF FOUCAULT CURRENTS OF METAL PIECES PARTICULARLY TUBULAR BANDS - Google Patents

PROCEDURE AND DEVICE FOR NON-DESTRUCTIVE CONTROL BY MEANS OF FOUCAULT CURRENTS OF METAL PIECES PARTICULARLY TUBULAR BANDS

Info

Publication number
IT1074264B
IT1074264B IT69113/76A IT6911376A IT1074264B IT 1074264 B IT1074264 B IT 1074264B IT 69113/76 A IT69113/76 A IT 69113/76A IT 6911376 A IT6911376 A IT 6911376A IT 1074264 B IT1074264 B IT 1074264B
Authority
IT
Italy
Prior art keywords
procedure
metal pieces
destructive control
foucault currents
particularly tubular
Prior art date
Application number
IT69113/76A
Other languages
Italian (it)
Inventor
Michel Pigeon
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Application granted granted Critical
Publication of IT1074264B publication Critical patent/IT1074264B/en

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
    • G01N27/9046—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction

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)
IT69113/76A 1975-09-09 1976-08-30 PROCEDURE AND DEVICE FOR NON-DESTRUCTIVE CONTROL BY MEANS OF FOUCAULT CURRENTS OF METAL PIECES PARTICULARLY TUBULAR BANDS IT1074264B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7527615A FR2324003A1 (en) 1975-09-09 1975-09-09 NON DESTRUCTIVE EDD CURRENT CONTROL PROCESS AND CORRESPONDING DEVICE, USING MULTI-FREQUENCY EXCITATION AND ALLOWING THE ELIMINATION OF CERTAIN PARAMETERS

Publications (1)

Publication Number Publication Date
IT1074264B true IT1074264B (en) 1985-04-20

Family

ID=9159766

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69113/76A IT1074264B (en) 1975-09-09 1976-08-30 PROCEDURE AND DEVICE FOR NON-DESTRUCTIVE CONTROL BY MEANS OF FOUCAULT CURRENTS OF METAL PIECES PARTICULARLY TUBULAR BANDS

Country Status (14)

Country Link
JP (1) JPS602619B2 (en)
BE (1) BE845928A (en)
BR (1) BR7605858A (en)
CA (1) CA1070766A (en)
DD (1) DD126270A5 (en)
DE (1) DE2637201A1 (en)
ES (1) ES451374A1 (en)
FI (1) FI59302C (en)
FR (1) FR2324003A1 (en)
GB (1) GB1521203A (en)
IT (1) IT1074264B (en)
NL (1) NL184387C (en)
SE (1) SE418905B (en)
ZA (1) ZA764982B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428234A1 (en) * 1978-06-07 1980-01-04 Tornbloms Kvalitetskontroll Ab Non-destructive electrically conducting material testing - using magnetic fields of different fields and variable control signal detector (SW 3.7.78)
FR2443682A1 (en) * 1978-12-07 1980-07-04 Commissariat Energie Atomique CIRCUIT FOR AUTOMATIC CORRECTION OF A SIGNAL TRANSMITTED BY AN IMBALANCE DIFFERENTIAL SENSOR
US4292589A (en) * 1979-05-09 1981-09-29 Schlumberger Technology Corporation Eddy current method and apparatus for inspecting ferromagnetic tubular members
US4303885A (en) * 1979-06-18 1981-12-01 Electric Power Research Institute, Inc. Digitally controlled multifrequency eddy current test apparatus and method
US4467281A (en) * 1980-02-29 1984-08-21 Electric Power Research Institute, Inc. Multi frequency eddy current test apparatus with intermediate frequency processing
US4424486A (en) * 1980-10-14 1984-01-03 Zetec, Inc. Phase rotation circuit for an eddy current tester
JPS5791058U (en) * 1980-11-25 1982-06-04
JPS5817354A (en) * 1981-06-12 1983-02-01 Kobe Steel Ltd Inspection of pipe material by multifrequency eddy current flaw detection
JPS58137748A (en) * 1982-02-12 1983-08-16 Ishikawajima Harima Heavy Ind Co Ltd Eddy current examination method
DE3313820A1 (en) * 1983-04-16 1984-10-18 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen DEVICE FOR TESTING THE SURFACE OF A METAL TEST PART
CA1212997A (en) * 1983-12-16 1986-10-21 Gerard Durou Frequency scanning eddy current non destructive testing method and system
FR2562668B1 (en) * 1984-04-05 1987-11-27 Sncf DEVICE FOR TRACKING DEFECTS OF RAILWAY RAILS BY EDGE CURRENTS, CAPABLE OF DISCRIMINATING DEFECTS OF CERTAIN DISCONTINUITIES IN RAIL CONSTRUCTION
JPS60262052A (en) * 1984-06-08 1985-12-25 Sumitomo Metal Ind Ltd Heterogeneous material discrimination
JPS6273158A (en) * 1985-09-27 1987-04-03 Daizaburo Iwasaki Signal processing method and apparatus in eddy current flaw detection test
JPS62255863A (en) * 1986-04-28 1987-11-07 Furukawa Electric Co Ltd:The Eddy current flaw detector
SE456864B (en) * 1986-08-27 1988-11-07 Toernbloms Kvalitetskontroll DEVICE FOR DETECTING AND SUPPRESSING THE IMPACT OF INTERNATIONAL MAGNETIC FIELD DURING THE VERTICAL FLOW TEST OF OMAGNETIC PROVOBJECTS
FR2627862A1 (en) * 1988-02-26 1989-09-01 Commissariat Energie Atomique IMPULSIVE FOUCAULT CURRENT MONITORING METHOD AND DEVICE FOR IMPLEMENTING THE SAME
US5017869A (en) * 1989-12-14 1991-05-21 General Electric Company Swept frequency eddy current system for measuring coating thickness
FR2724019B1 (en) * 1994-08-31 1997-04-30 Intercontrole Sa METHOD OF DIGITAL ANALYSIS OF A SIGNAL, IN PARTICULAR FOR EDGE CURRENT CONTROL
FR2758882B1 (en) * 1997-01-27 1999-04-09 Intercontrole Sa METHOD OF NON-DESTRUCTIVE MONITORING BY EDGE CURRENTS OF NUCLEAR REACTOR CONTROL CLUSTERS IN THE PRESENCE OF DISTURBING ELEMENTS
ES2266633T3 (en) * 2001-09-24 2007-03-01 Alstom Technology Ltd PROCEDURE AND DEVICE FOR THE CONTROL OF NUCLEOS OF IRON SHEETS LAMINATES OF ELECTRIC MACHINES IN SHORT CIRCUIT BETWEEN SHEETS.
US6815957B2 (en) 2001-09-24 2004-11-09 Alstom (Switzerland) Ltd Method and device for inspecting laminated iron cores of electrical machines for interlamination shorts
JP4762672B2 (en) * 2005-10-27 2011-08-31 非破壊検査株式会社 Magnetic material bending portion fracture inspection method and inspection apparatus
CZ306012B6 (en) * 2014-09-03 2016-06-22 Vysoké Učení Technické V Brně Non-destructive indicator of local subsurface non-homogeneities

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706029A (en) * 1971-11-16 1972-12-12 Atomic Energy Commission Multiple parameter eddy current nondestructive testing device using plural transformation rotators to resolve each parameter

Also Published As

Publication number Publication date
FI762581A (en) 1977-03-10
NL7609666A (en) 1977-03-11
JPS602619B2 (en) 1985-01-23
DE2637201A1 (en) 1977-03-17
NL184387C (en) 1989-07-03
BE845928A (en) 1976-12-31
ZA764982B (en) 1977-07-27
CA1070766A (en) 1980-01-29
FI59302B (en) 1981-03-31
FR2324003B1 (en) 1979-03-02
FR2324003A1 (en) 1977-04-08
DE2637201C2 (en) 1987-10-08
DD126270A5 (en) 1977-07-06
ES451374A1 (en) 1977-12-16
JPS5233791A (en) 1977-03-15
FI59302C (en) 1981-07-10
SE418905B (en) 1981-06-29
SE7609913L (en) 1977-03-10
GB1521203A (en) 1978-08-16
BR7605858A (en) 1977-08-16

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950831