FR2462708B1 - - Google Patents
Info
- Publication number
- FR2462708B1 FR2462708B1 FR7919331A FR7919331A FR2462708B1 FR 2462708 B1 FR2462708 B1 FR 2462708B1 FR 7919331 A FR7919331 A FR 7919331A FR 7919331 A FR7919331 A FR 7919331A FR 2462708 B1 FR2462708 B1 FR 2462708B1
- 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
-
- 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
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 |
|---|---|---|---|
| FR7919331A FR2462708A1 (fr) | 1979-07-26 | 1979-07-26 | Procede et dispositif de controle non destructif par courants de foucault pour la detection de zones carburees |
| DE8080401097T DE3064819D1 (en) | 1979-07-26 | 1980-07-23 | Method and apparatus using eddy currents for nondestructive testing for the detection of carburised zones |
| EP19800401097 EP0023456B1 (fr) | 1979-07-26 | 1980-07-23 | Procédé et dispositif de contrôle non destructif par courants de Foucault pour la détection de zônes carburées |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7919331A FR2462708A1 (fr) | 1979-07-26 | 1979-07-26 | Procede et dispositif de controle non destructif par courants de foucault pour la detection de zones carburees |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2462708A1 FR2462708A1 (fr) | 1981-02-13 |
| FR2462708B1 true FR2462708B1 (ref) | 1983-04-08 |
Family
ID=9228335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7919331A Granted FR2462708A1 (fr) | 1979-07-26 | 1979-07-26 | Procede et dispositif de controle non destructif par courants de foucault pour la detection de zones carburees |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0023456B1 (ref) |
| DE (1) | DE3064819D1 (ref) |
| FR (1) | FR2462708A1 (ref) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0204860B1 (en) * | 1985-06-13 | 1989-01-25 | Ibm Deutschland Gmbh | Methods and arrangements for characterizing magnetic coating compositions as well as improving magnetic particle dispersions |
| 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 |
| GB9205841D0 (en) * | 1992-03-18 | 1992-04-29 | Exxon Chemical Patents Inc | Hydrocarbon resins,processes for their manufacture and adhesive compositions containing such resins |
| CN101865883B (zh) * | 2010-06-21 | 2013-01-23 | 南京航空航天大学 | 脉冲涡流应力裂纹集成检测系统及方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2258837A (en) * | 1939-05-18 | 1941-10-14 | Magnetic Analysis Corp | Electrical testing |
| GB936033A (en) * | 1960-01-18 | 1963-09-04 | Accles & Pollock Ltd | Method of, and means for detecting defects in elongated metallic objects |
| US3913009A (en) * | 1974-03-12 | 1975-10-14 | Vladimir Vasilievich Panasjuk | Method of inspecting powder-cored electrodes and device for effecting said method |
| DE2622490A1 (de) * | 1976-05-20 | 1977-12-01 | Foerster Inst Dr Friedrich | Verfahren und einrichtung zum pruefen von langgestrecktem, ferromagnetischem pruefgut auf fehler |
-
1979
- 1979-07-26 FR FR7919331A patent/FR2462708A1/fr active Granted
-
1980
- 1980-07-23 EP EP19800401097 patent/EP0023456B1/fr not_active Expired
- 1980-07-23 DE DE8080401097T patent/DE3064819D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0023456B1 (fr) | 1983-09-14 |
| EP0023456A1 (fr) | 1981-02-04 |
| FR2462708A1 (fr) | 1981-02-13 |
| DE3064819D1 (en) | 1983-10-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |