FR2705787B1 - Eddy current detector for detecting and locating faults in tubular parts. - Google Patents
Eddy current detector for detecting and locating faults in tubular parts.Info
- Publication number
- FR2705787B1 FR2705787B1 FR9306303A FR9306303A FR2705787B1 FR 2705787 B1 FR2705787 B1 FR 2705787B1 FR 9306303 A FR9306303 A FR 9306303A FR 9306303 A FR9306303 A FR 9306303A FR 2705787 B1 FR2705787 B1 FR 2705787B1
- Authority
- FR
- France
- Prior art keywords
- detecting
- eddy current
- current detector
- tubular parts
- locating faults
- 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
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
-
- 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
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9306303A FR2705787B1 (en) | 1993-05-26 | 1993-05-26 | Eddy current detector for detecting and locating faults in tubular parts. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9306303A FR2705787B1 (en) | 1993-05-26 | 1993-05-26 | Eddy current detector for detecting and locating faults in tubular parts. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2705787A1 FR2705787A1 (en) | 1994-12-02 |
FR2705787B1 true FR2705787B1 (en) | 1995-08-18 |
Family
ID=9447471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9306303A Expired - Fee Related FR2705787B1 (en) | 1993-05-26 | 1993-05-26 | Eddy current detector for detecting and locating faults in tubular parts. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2705787B1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2895103A (en) * | 1955-03-12 | 1959-07-14 | Stin | Magnetic testing apparatus |
US4772849A (en) * | 1986-09-11 | 1988-09-20 | Combustion Engineering, Inc. | Rotating probe head for tube inspection |
US4808927A (en) * | 1987-02-19 | 1989-02-28 | Atomic Energy Of Canada Limited | Circumferentially compensating eddy current probe with alternately polarized receiver coil |
US5047719A (en) * | 1990-05-25 | 1991-09-10 | The Failure Group, Inc. | Flexible coil assembly for reflectance-mode nondestructive eddy-current examination |
US5210492A (en) * | 1991-04-22 | 1993-05-11 | Tokyo Gas Co., Ltd. | Remote field eddy current flaw detector for metal pipes having a pair of receiver coils providing a differential offset amplitude signal |
-
1993
- 1993-05-26 FR FR9306303A patent/FR2705787B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2705787A1 (en) | 1994-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property | ||
ST | Notification of lapse |
Effective date: 20110131 |