FR2412841B1 - - Google Patents
Info
- Publication number
- FR2412841B1 FR2412841B1 FR7739415A FR7739415A FR2412841B1 FR 2412841 B1 FR2412841 B1 FR 2412841B1 FR 7739415 A FR7739415 A FR 7739415A FR 7739415 A FR7739415 A FR 7739415A FR 2412841 B1 FR2412841 B1 FR 2412841B1
- Authority
- FR
- France
- 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
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 (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7739415A FR2412841A1 (en) | 1977-12-26 | 1977-12-26 | ELECTROMAGNETIC EDDY CURRENT INSPECTION DEVICE |
GB7848395A GB2011087B (en) | 1977-12-26 | 1978-12-13 | Electromagnetic inspection device employing foucault currents |
BE1009196A BE872785A (en) | 1977-12-26 | 1978-12-15 | ELECTROMAGNETIC EDDY CURRENT INSPECTION DEVICE |
IT30945/78A IT1100737B (en) | 1977-12-26 | 1978-12-18 | ELECTROMAGNETIC INSPECTION DEVICE WITH FOUCAULT CURRENTS |
DE19782855511 DE2855511A1 (en) | 1977-12-26 | 1978-12-22 | EDGE CURRENT TESTING DEVICE |
LU80697A LU80697A1 (en) | 1977-12-26 | 1978-12-22 | ELECTROMAGNETIC EDDY CURRENT INSPECTION DEVICE |
ES476342A ES476342A1 (en) | 1977-12-26 | 1978-12-26 | Electromagnetic detection of flaws in metal products |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7739415A FR2412841A1 (en) | 1977-12-26 | 1977-12-26 | ELECTROMAGNETIC EDDY CURRENT INSPECTION DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2412841A1 FR2412841A1 (en) | 1979-07-20 |
FR2412841B1 true FR2412841B1 (en) | 1981-10-02 |
Family
ID=9199414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7739415A Granted FR2412841A1 (en) | 1977-12-26 | 1977-12-26 | ELECTROMAGNETIC EDDY CURRENT INSPECTION DEVICE |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE872785A (en) |
DE (1) | DE2855511A1 (en) |
ES (1) | ES476342A1 (en) |
FR (1) | FR2412841A1 (en) |
GB (1) | GB2011087B (en) |
IT (1) | IT1100737B (en) |
LU (1) | LU80697A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2459476A1 (en) * | 1979-06-14 | 1981-01-09 | Siderurgie Fse Inst Rech | METHOD AND DEVICE FOR INSPECTING METAL PRODUCTS BY CURRENT FOUCAULT |
FR2515353A1 (en) * | 1981-10-27 | 1983-04-29 | Siderurgie Fse Inst Rech | METHOD OF DETECTING DEFECTS OF A METAL PRODUCT BY CURRENT FOUCAULT |
US4644274A (en) * | 1983-04-01 | 1987-02-17 | General Electric Company | Apparatus for supporting an eddy current probe used to scan an irregular surface |
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 |
EP1848989A1 (en) * | 2005-02-04 | 2007-10-31 | Commissariat A L'energie Atomique | Method for producing a high-dynamics and high-spatial resolution eddy current testing head |
FR2881826A1 (en) * | 2005-02-04 | 2006-08-11 | Commissariat Energie Atomique | Transmission and reception printed circuit coils assembly producing method, involves receiving complex amplitude signal and selecting distance between axes of transmission coil and reception coil so as to maximize specific ratio |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE301731B (en) * | 1966-02-24 | 1968-06-17 | Essem Metotest Ab | |
GB1209423A (en) * | 1969-03-12 | 1970-10-21 | Gkn Group Services Ltd | Improvements relating to apparatus for the detection of flaws |
JPS5177378A (en) * | 1974-12-27 | 1976-07-05 | Nippon Kokan Kk | Denjudoshikikenshutsusochi |
DE2530816C3 (en) * | 1975-07-10 | 1980-07-31 | Institut Dr. Friedrich Foerster Pruefgeraetebau, 7410 Reutlingen | Eddy current testing device for scanning the surface of a test part |
-
1977
- 1977-12-26 FR FR7739415A patent/FR2412841A1/en active Granted
-
1978
- 1978-12-13 GB GB7848395A patent/GB2011087B/en not_active Expired
- 1978-12-15 BE BE1009196A patent/BE872785A/en not_active IP Right Cessation
- 1978-12-18 IT IT30945/78A patent/IT1100737B/en active
- 1978-12-22 LU LU80697A patent/LU80697A1/en unknown
- 1978-12-22 DE DE19782855511 patent/DE2855511A1/en active Granted
- 1978-12-26 ES ES476342A patent/ES476342A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT7830945A0 (en) | 1978-12-18 |
DE2855511A1 (en) | 1979-06-28 |
IT1100737B (en) | 1985-09-28 |
LU80697A1 (en) | 1979-07-20 |
DE2855511C2 (en) | 1989-07-13 |
GB2011087B (en) | 1982-12-01 |
FR2412841A1 (en) | 1979-07-20 |
ES476342A1 (en) | 1979-04-16 |
BE872785A (en) | 1979-06-15 |
GB2011087A (en) | 1979-07-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |