GB2019005B - Eddy-current detection - Google Patents
Eddy-current detectionInfo
- Publication number
- GB2019005B GB2019005B GB7912532A GB7912532A GB2019005B GB 2019005 B GB2019005 B GB 2019005B GB 7912532 A GB7912532 A GB 7912532A GB 7912532 A GB7912532 A GB 7912532A GB 2019005 B GB2019005 B GB 2019005B
- Authority
- GB
- United Kingdom
- Prior art keywords
- eddy
- current detection
- detection
- current
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7811459A FR2422952A1 (fr) | 1978-04-10 | 1978-04-10 | Procede et dispositif de detection par courants de foucault des variations d'un parametre lie a un produit metallique |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2019005A GB2019005A (en) | 1979-10-24 |
GB2019005B true GB2019005B (en) | 1983-02-16 |
Family
ID=9207300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7912532A Expired GB2019005B (en) | 1978-04-10 | 1979-04-10 | Eddy-current detection |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE875330A (fr) |
DE (1) | DE2913877A1 (fr) |
FR (1) | FR2422952A1 (fr) |
GB (1) | GB2019005B (fr) |
LU (1) | LU81135A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103575802A (zh) * | 2012-07-25 | 2014-02-12 | 通用电气公司 | 宽频带涡流探头 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2459476A1 (fr) * | 1979-06-14 | 1981-01-09 | Siderurgie Fse Inst Rech | Procede et dispositif d'inspection de produits metalliques par courants de foucault |
EP0042881B1 (fr) * | 1980-06-27 | 1983-10-05 | Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co. KG | Procédé et dispositif pour examiner une pièce d'essai métallique |
CA1124328A (fr) * | 1980-11-27 | 1982-05-25 | Henry M. O'connor | Appareil de mesure multifrequence du courant de foucault |
FR2515353A1 (fr) * | 1981-10-27 | 1983-04-29 | Siderurgie Fse Inst Rech | Procede de detection de defauts d'un produit metallique par courants de foucault |
DE3207569C2 (de) * | 1982-03-03 | 1986-05-28 | Herbert 8553 Ebermannstadt Baumgartner | Prüfgerät zur zerstörungsfreien Werkstoffprüfung |
DE3213267A1 (de) * | 1982-04-08 | 1983-10-20 | Nukem Gmbh, 6450 Hanau | Verfahren und vorrichtung zur pruefung von werkstoffen nach dem wirbelstromprinzip |
US4823082A (en) * | 1986-02-18 | 1989-04-18 | Kabushiki Kaisha Kobe Seiko Sho | Signal processing method for an electromagnetic induction test |
FR2758882B1 (fr) * | 1997-01-27 | 1999-04-09 | Intercontrole Sa | Procede de controle non destructif, par courants de foucault, des grappes de commande de reacteurs nucleaires en presence d'elements perturbateurs |
FR2773615B1 (fr) * | 1998-01-09 | 2000-03-31 | Peugeot | Procede de controle non destructif de l'epaisseur d'une couche durcie par traitement thermique de pieces mecaniques d'une fabrication industrielle et ses applications |
DE10127806A1 (de) * | 2001-06-07 | 2002-12-19 | Siemens Ag | Verfahren zur Fertigungsüberwachung der Abmessungen und deren Toleranzen von zu bearbeitenden Werkstücken, insbesondere in der Stahlindustrie |
CN112665461A (zh) * | 2020-12-24 | 2021-04-16 | 上海微波技术研究所(中国电子科技集团公司第五十研究所) | 基于多频电磁感应和弛豫频率参数的识别方法、系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3056081A (en) * | 1959-06-22 | 1962-09-25 | Budd Co | Electromagnetic testing |
US3229198A (en) * | 1962-09-28 | 1966-01-11 | Hugo L Libby | Eddy current nondestructive testing device for measuring multiple parameter variables of a metal sample |
US3419797A (en) * | 1966-01-21 | 1968-12-31 | Atomic Energy Commission Usa | Nondestructive eddy current testing device for testing metal tubing and instantaneously displaying the cross section of said tubing |
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 |
US4061968A (en) * | 1976-09-07 | 1977-12-06 | Commissariat A L'energie Atomique | Process of and apparatus for non-destructive eddy current testing involves the suppression of displayed lobes corresponding to fault parameters to be eliminated from the display |
DE2739873A1 (de) * | 1977-09-05 | 1979-03-08 | Fraunhofer Ges Forschung | Verfahren zur zerstoerungsfreien werkstoffpruefung nach dem wirbelstromverfahren |
-
1978
- 1978-04-10 FR FR7811459A patent/FR2422952A1/fr active Granted
-
1979
- 1979-04-05 BE BE1/9342A patent/BE875330A/fr not_active IP Right Cessation
- 1979-04-06 DE DE19792913877 patent/DE2913877A1/de not_active Ceased
- 1979-04-10 LU LU81135A patent/LU81135A1/fr unknown
- 1979-04-10 GB GB7912532A patent/GB2019005B/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103575802A (zh) * | 2012-07-25 | 2014-02-12 | 通用电气公司 | 宽频带涡流探头 |
Also Published As
Publication number | Publication date |
---|---|
BE875330A (fr) | 1979-10-05 |
FR2422952A1 (fr) | 1979-11-09 |
GB2019005A (en) | 1979-10-24 |
DE2913877A1 (de) | 1979-10-11 |
FR2422952B1 (fr) | 1980-10-31 |
LU81135A1 (fr) | 1979-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930410 |