FR2703465B1 - Procédé et sonde de contrôle pour des contrôles non destructeurs de la surface de matériaux électriquement conducteurs. - Google Patents

Procédé et sonde de contrôle pour des contrôles non destructeurs de la surface de matériaux électriquement conducteurs.

Info

Publication number
FR2703465B1
FR2703465B1 FR9403824A FR9403824A FR2703465B1 FR 2703465 B1 FR2703465 B1 FR 2703465B1 FR 9403824 A FR9403824 A FR 9403824A FR 9403824 A FR9403824 A FR 9403824A FR 2703465 B1 FR2703465 B1 FR 2703465B1
Authority
FR
France
Prior art keywords
probe
control method
electrically conductive
conductive materials
destructive
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
FR9403824A
Other languages
English (en)
Other versions
FR2703465A1 (fr
Inventor
Klaus Dobler
Hachtel Hansjoerg
Stanislaw Bodzak
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2703465A1 publication Critical patent/FR2703465A1/fr
Application granted granted Critical
Publication of FR2703465B1 publication Critical patent/FR2703465B1/fr
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
    • G01N27/9046—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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR9403824A 1993-04-02 1994-03-31 Procédé et sonde de contrôle pour des contrôles non destructeurs de la surface de matériaux électriquement conducteurs. Expired - Fee Related FR2703465B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19934310893 DE4310893C2 (de) 1993-04-02 1993-04-02 Verfahren und Prüfsonde zum zerstörungsfreien Prüfen der Oberflächen elektrisch leitfähiger Werkstoffe

Publications (2)

Publication Number Publication Date
FR2703465A1 FR2703465A1 (fr) 1994-10-07
FR2703465B1 true FR2703465B1 (fr) 1997-01-03

Family

ID=6484611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9403824A Expired - Fee Related FR2703465B1 (fr) 1993-04-02 1994-03-31 Procédé et sonde de contrôle pour des contrôles non destructeurs de la surface de matériaux électriquement conducteurs.

Country Status (3)

Country Link
DE (1) DE4310893C2 (fr)
FR (1) FR2703465B1 (fr)
GB (2) GB2277157B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4310894A1 (de) * 1993-04-02 1994-10-06 Bosch Gmbh Robert Verfahren und Prüfsonde zum zerstörungsfreien Untersuchen von Oberflächen elektrisch leitfähiger Werkstoffe
DE19533708A1 (de) * 1995-09-12 1997-03-13 Panier Burkhard Dipl Ing Fh Prüfgerät für beschichtete Bleche

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR971234A (fr) * 1940-01-24 1951-01-15 Dispositif de mesure et de contrôle
US3135914A (en) * 1959-09-04 1964-06-02 Magnetic Analysis Corp Multi-frequency testing method and apparatus for selectively detecting flaws at different depths
US3340466A (en) * 1962-04-12 1967-09-05 Hitachi Ltd Nondestructive testers utilizing highfrequency and low-frequency eddy currents to test for surface and subsurface defects
GB1255179A (en) * 1968-12-03 1971-12-01 Nat Res Dev Non-destructive testing of materials
DE2739873A1 (de) * 1977-09-05 1979-03-08 Fraunhofer Ges Forschung Verfahren zur zerstoerungsfreien werkstoffpruefung nach dem wirbelstromverfahren
DE2817574B2 (de) * 1978-04-21 1980-04-30 Kraftwerk Union Ag, 4330 Muelheim Wirbelstrompriifsonde zur Untersuchung metallischer Werkstoffe auf Materialtrennungen und fehlerhafte Einschlüsse
GB2090977A (en) * 1981-01-12 1982-07-21 Atomic Energy Authority Uk Multi-frequency eddy-current testing
SE8302738L (sv) * 1983-05-16 1984-11-17 Bengt Hjalmar Tornblom Anordning och/eller sett baserad pa frekvensvalsprincip
GB2141234B (en) * 1983-06-07 1986-11-12 Mo Energeticheskij Institut Eddy-current flaw detector
SE457117B (sv) * 1984-02-17 1988-11-28 Bengt Hjalmar Toernblom Saett och anordning foer provning av elektriskt ledande provobjekt
CH670504A5 (fr) * 1986-11-25 1989-06-15 Battelle Memorial Institute
US4855677A (en) * 1988-03-11 1989-08-08 Westinghouse Electric Corp. Multiple coil eddy current probe and method of flaw detection
GB2224575B (en) * 1988-11-04 1993-07-14 Technical Software Consultants Electromagnetic microscope
FR2645964B1 (fr) * 1989-04-18 1991-07-26 Siderurgie Fse Inst Rech Procede et dispositif de controle non destructif de materiau magnetique presentant un gradient de structure dans sa partie superficielle
US5017869A (en) * 1989-12-14 1991-05-21 General Electric Company Swept frequency eddy current system for measuring coating thickness
US5144565A (en) * 1990-03-26 1992-09-01 K. J. Law Engineers, Inc. Measurement of metallurgical properties in ferromagnetic test parts

Also Published As

Publication number Publication date
GB2277157B (en) 1997-10-29
GB9718522D0 (en) 1997-11-05
DE4310893C2 (de) 1995-05-04
DE4310893A1 (de) 1994-10-06
GB9406230D0 (en) 1994-05-18
FR2703465A1 (fr) 1994-10-07
GB2277157A (en) 1994-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse