ZA764982B - Process for non-destructive testing by eddy currents and apparatus for carrying out such process - Google Patents

Process for non-destructive testing by eddy currents and apparatus for carrying out such process

Info

Publication number
ZA764982B
ZA764982B ZA764982A ZA764982A ZA764982B ZA 764982 B ZA764982 B ZA 764982B ZA 764982 A ZA764982 A ZA 764982A ZA 764982 A ZA764982 A ZA 764982A ZA 764982 B ZA764982 B ZA 764982B
Authority
ZA
South Africa
Prior art keywords
carrying
eddy currents
destructive testing
destructive
testing
Prior art date
Application number
ZA764982A
Inventor
M 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
Publication of ZA764982B publication Critical patent/ZA764982B/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)
ZA764982A 1975-09-09 1976-08-19 Process for non-destructive testing by eddy currents and apparatus for carrying out such process ZA764982B (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
ZA764982B true ZA764982B (en) 1977-07-27

Family

ID=9159766

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA764982A ZA764982B (en) 1975-09-09 1976-08-19 Process for non-destructive testing by eddy currents and apparatus for carrying out such process

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
JPS5233791A (en) 1977-03-15
DD126270A5 (en) 1977-07-06
SE418905B (en) 1981-06-29
FR2324003A1 (en) 1977-04-08
CA1070766A (en) 1980-01-29
JPS602619B2 (en) 1985-01-23
FI59302C (en) 1981-07-10
FI762581A (en) 1977-03-10
GB1521203A (en) 1978-08-16
NL7609666A (en) 1977-03-11
BE845928A (en) 1976-12-31
BR7605858A (en) 1977-08-16
ES451374A1 (en) 1977-12-16
DE2637201C2 (en) 1987-10-08
IT1074264B (en) 1985-04-20
DE2637201A1 (en) 1977-03-17
FI59302B (en) 1981-03-31
NL184387C (en) 1989-07-03
SE7609913L (en) 1977-03-10
FR2324003B1 (en) 1979-03-02

Similar Documents

Publication Publication Date Title
ZA764982B (en) Process for non-destructive testing by eddy currents and apparatus for carrying out such process
JPS5232392A (en) Apparatus for automatically testing and processing samples
JPS5275458A (en) Method of and apparatus for inspecting position of moving member
GB1549054A (en) Method of and apparatus for testing liquids
JPS51113660A (en) Method and apparatus for measuring particles
JPS5238993A (en) Method and apparatus for correcting solution samples
GB1543740A (en) Method and apparatus for ultrasonic examination
GB1550887A (en) Apparatus and method for detecting explosives
DE3062493D1 (en) Digital eddy current apparatus for testing specimens
JPS51149052A (en) Method of and apparatus for measuring surface
GB1546667A (en) Group delay measurement apparatus and method
JPS5246891A (en) Analysis method and apparatus
JPS51123681A (en) Method of and apparatus for testing viscoelastic material
ZA764030B (en) Apparatus for inspecting containers
JPS5233764A (en) Method and apparatus for measuring flow
JPS5231795A (en) Apparatus for sample inspection
JPS51145391A (en) Method and apparatus for liquid sample analysis
GB1548953A (en) Method and apparatus for laboratory testing of carubettors
JPS5255690A (en) Method of and apparatus for inspecting sample
JPS5273061A (en) Method of and apparatus for measuring distance
JPS5230489A (en) Method of and apparatus for measuring strength of material
JPS5279929A (en) Method of and apparatus for discriminating many copy samples in belt form
JPS5316685A (en) Method of and apparatus for magnetic inspection
GB1540887A (en) Brake testing method and apparatus
GB1443409A (en) Eddy current testing apparatus