FR2874698B1 - Systeme et procede de detection de defaut dans une piece conductrice ou magnetique - Google Patents
Systeme et procede de detection de defaut dans une piece conductrice ou magnetiqueInfo
- Publication number
- FR2874698B1 FR2874698B1 FR0409159A FR0409159A FR2874698B1 FR 2874698 B1 FR2874698 B1 FR 2874698B1 FR 0409159 A FR0409159 A FR 0409159A FR 0409159 A FR0409159 A FR 0409159A FR 2874698 B1 FR2874698 B1 FR 2874698B1
- Authority
- FR
- France
- Prior art keywords
- conductive
- magnetic piece
- detecting defect
- defect
- detecting
- 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
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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0409159A FR2874698B1 (fr) | 2004-08-27 | 2004-08-27 | Systeme et procede de detection de defaut dans une piece conductrice ou magnetique |
EP05798615A EP1782056A1 (fr) | 2004-08-27 | 2005-08-24 | Systeme et procede de detection de defaut dans une piece conductrice ou magnetique |
PCT/FR2005/002130 WO2006027458A1 (fr) | 2004-08-27 | 2005-08-24 | Systeme et procede de detection de defaut dans une piece conductrice ou magnetique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0409159A FR2874698B1 (fr) | 2004-08-27 | 2004-08-27 | Systeme et procede de detection de defaut dans une piece conductrice ou magnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2874698A1 FR2874698A1 (fr) | 2006-03-03 |
FR2874698B1 true FR2874698B1 (fr) | 2007-04-06 |
Family
ID=34949130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0409159A Expired - Fee Related FR2874698B1 (fr) | 2004-08-27 | 2004-08-27 | Systeme et procede de detection de defaut dans une piece conductrice ou magnetique |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1782056A1 (fr) |
FR (1) | FR2874698B1 (fr) |
WO (1) | WO2006027458A1 (fr) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3422346A (en) * | 1965-02-01 | 1969-01-14 | Republic Steel Corp | Eddy current inspection system |
US3875502A (en) * | 1973-05-24 | 1975-04-01 | Foerster Inst Dr Friedrich | Coil arrangement and circuit for eddy current testing |
DE3446867C2 (de) * | 1984-12-21 | 1986-12-18 | Nukem Gmbh, 6450 Hanau | Vorrichtung zur zerstörungsfreien Prüfung längsverschiebbarer ferromagnetischer Körper und Verfahren zur Einstellung der Vorrichtung in einen auf die jeweiligen Prüflinge abgestimmten Ausgangszustand für die Prüfung |
SE467711B (sv) * | 1987-02-09 | 1992-08-31 | Bengt Hjalmar Toernblom | Anordning foer maetning/provning med virvelstroemsteknik medelst flera dynamiskt kompenserade givare |
CA2088918C (fr) * | 1991-06-04 | 1996-07-02 | Seigo Ando | Methode de detection magnetique et appareil utilise a cet effet |
US6784662B2 (en) * | 2001-03-19 | 2004-08-31 | Jentek Sensors, Inc. | Eddy current sensor arrays having drive windings with extended portions |
GB0124910D0 (en) * | 2001-10-17 | 2001-12-05 | Accentus Plc | Measurement of material properties |
US7411390B2 (en) * | 2002-06-04 | 2008-08-12 | Jentek Sensors, Inc. | High resolution inductive sensor arrays for UXO |
-
2004
- 2004-08-27 FR FR0409159A patent/FR2874698B1/fr not_active Expired - Fee Related
-
2005
- 2005-08-24 EP EP05798615A patent/EP1782056A1/fr not_active Withdrawn
- 2005-08-24 WO PCT/FR2005/002130 patent/WO2006027458A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP1782056A1 (fr) | 2007-05-09 |
WO2006027458A1 (fr) | 2006-03-16 |
FR2874698A1 (fr) | 2006-03-03 |
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FR2874698B1 (fr) | Systeme et procede de detection de defaut dans une piece conductrice ou magnetique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |
Owner name: UNIVERSITE DE CAEN, FR Effective date: 20120131 Owner name: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (, FR Effective date: 20120131 Owner name: ENSI CAEN, FR Effective date: 20120131 |
|
TQ | Partial transmission of property |
Owner name: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (, FR Effective date: 20120131 Owner name: ENSI CAEN, FR Effective date: 20120131 Owner name: UNIVERSITE DE CAEN, FR Effective date: 20120131 |
|
ST | Notification of lapse |
Effective date: 20150430 |