FR2502337B1 - - Google Patents
Info
- Publication number
- FR2502337B1 FR2502337B1 FR8105753A FR8105753A FR2502337B1 FR 2502337 B1 FR2502337 B1 FR 2502337B1 FR 8105753 A FR8105753 A FR 8105753A FR 8105753 A FR8105753 A FR 8105753A FR 2502337 B1 FR2502337 B1 FR 2502337B1
- 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
- G01N27/9053—Compensating for probe to workpiece spacing
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 |
|---|---|---|---|
| FR8105753A FR2502337A1 (fr) | 1981-03-23 | 1981-03-23 | Procede de controle non destructif par courants de foucault avec correction des effets d'entrefer et dispositif de mise en oeuvre |
| EP82400471A EP0061956B1 (fr) | 1981-03-23 | 1982-03-15 | Procédé de contrôle non destructif par courants de Foucault avec correction des effets d'entrefer et dispositif de mise en oeuvre |
| DE8282400471T DE3266987D1 (en) | 1981-03-23 | 1982-03-15 | Method for eddy current non destructive testing with lift off correction and apparatus for using this method |
| JP57044794A JPS57211058A (en) | 1981-03-23 | 1982-03-23 | Non-destructive inspection method by eddy current and its device |
| ZA821958A ZA821958B (en) | 1981-03-23 | 1982-03-23 | Process and device for non-destructive testing by eddy currents |
| KR828201232A KR880000358B1 (ko) | 1981-03-23 | 1982-03-23 | 와전류에 의한 비파괴 시험 방법 및 장치 |
| US06/360,901 US4488114A (en) | 1981-03-23 | 1982-03-23 | Device for non-destructive testing by eddy currents comprising air-gap correction means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8105753A FR2502337A1 (fr) | 1981-03-23 | 1981-03-23 | Procede de controle non destructif par courants de foucault avec correction des effets d'entrefer et dispositif de mise en oeuvre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2502337A1 FR2502337A1 (fr) | 1982-09-24 |
| FR2502337B1 true FR2502337B1 (US06818201-20041116-C00086.png) | 1983-04-22 |
Family
ID=9256521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8105753A Granted FR2502337A1 (fr) | 1981-03-23 | 1981-03-23 | Procede de controle non destructif par courants de foucault avec correction des effets d'entrefer et dispositif de mise en oeuvre |
Country Status (7)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833931A (en) * | 1987-08-14 | 1989-05-30 | Westinghouse Electric Corp. | Thermally self-adjusting mount for proximity sensor |
| JP2929402B2 (ja) * | 1992-07-10 | 1999-08-03 | 日石三菱株式会社 | 炭素繊維強化管状複合材の検査方法及び装置 |
| US5446382A (en) * | 1993-06-23 | 1995-08-29 | The Babcock & Wilcox Company | Eddy current probe having one yoke within another yoke for increased inspection depth, sensitivity and discrimination |
| DE10045715A1 (de) * | 2000-09-15 | 2002-03-28 | Busch Dieter & Co Prueftech | Verfahren und Vorrichtung zur Prüfung eines Werkstücks mittels Wirbelströmen |
| FR2904694B1 (fr) * | 2006-08-03 | 2008-11-07 | Commissariat Energie Atomique | Procede et dispositif de controle par courants de foucault a fonctions emission/reception separees d'une piece electriquement conductrice |
| FR3040492B1 (fr) * | 2015-08-31 | 2019-03-29 | Safran Aircraft Engines | Dispositif et procede de controle non destructif combinant une mesure differentielle et une mesure absolue |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2985824A (en) * | 1958-04-14 | 1961-05-23 | Jr Claus J Renken | Nondestructive eddy current testing |
| FR1308785A (fr) * | 1961-10-13 | 1962-11-09 | Gkn Group Services Ltd | Perfectionnements apportés aux procédés et appareils pour déceler la présence de défauts dans des solides cohérents électriquement conducteurs |
| DE2049486A1 (de) * | 1969-10-10 | 1971-04-22 | Automation Ind Inc | Material Prüfgerät |
| GB1475517A (en) * | 1974-06-27 | 1977-06-01 | British Steel Corp | Detection of surface defects in elongate metallic members |
| FR2339170A1 (fr) * | 1976-01-22 | 1977-08-19 | Commissariat Energie Atomique | Pont de mesure pour dispositif de controle par courants de foucault |
| US4079312A (en) * | 1976-08-17 | 1978-03-14 | Allegheny Ludlum Industries, Inc. | Continuous testing method and apparatus for determining the magnetic characteristics of a strip of moving material, including flux inducing and pick-up device therefor |
| FR2443682A1 (fr) * | 1978-12-07 | 1980-07-04 | Commissariat Energie Atomique | Circuit de correction automatique d'un signal emis par un capteur differentiel desequilibre |
| FR2451032A1 (fr) * | 1979-03-09 | 1980-10-03 | Commissariat Energie Atomique | Appareil numerique pour le controle de pieces par courants de foucault |
-
1981
- 1981-03-23 FR FR8105753A patent/FR2502337A1/fr active Granted
-
1982
- 1982-03-15 EP EP82400471A patent/EP0061956B1/fr not_active Expired
- 1982-03-15 DE DE8282400471T patent/DE3266987D1/de not_active Expired
- 1982-03-23 US US06/360,901 patent/US4488114A/en not_active Expired - Fee Related
- 1982-03-23 KR KR828201232A patent/KR880000358B1/ko active
- 1982-03-23 JP JP57044794A patent/JPS57211058A/ja active Pending
- 1982-03-23 ZA ZA821958A patent/ZA821958B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3266987D1 (en) | 1985-11-28 |
| US4488114A (en) | 1984-12-11 |
| EP0061956A1 (fr) | 1982-10-06 |
| EP0061956B1 (fr) | 1985-10-23 |
| ZA821958B (en) | 1983-04-27 |
| JPS57211058A (en) | 1982-12-24 |
| KR880000358B1 (ko) | 1988-03-20 |
| FR2502337A1 (fr) | 1982-09-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |