FR2476318B1 - - Google Patents
Info
- Publication number
- FR2476318B1 FR2476318B1 FR8102162A FR8102162A FR2476318B1 FR 2476318 B1 FR2476318 B1 FR 2476318B1 FR 8102162 A FR8102162 A FR 8102162A FR 8102162 A FR8102162 A FR 8102162A FR 2476318 B1 FR2476318 B1 FR 2476318B1
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3005915A DE3005915C2 (en) | 1980-02-16 | 1980-02-16 | Eddy current tester for surface defects |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2476318A1 FR2476318A1 (en) | 1981-08-21 |
FR2476318B1 true FR2476318B1 (en) | 1984-07-13 |
Family
ID=6094846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8102162A Granted FR2476318A1 (en) | 1980-02-16 | 1981-02-04 | FOUCAULT CURRENT CONTROL APPARATUS FOR DETECTING SURFACE DEFECTS OF METAL PARTS |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3005915C2 (en) |
FR (1) | FR2476318A1 (en) |
GB (1) | GB2069708A (en) |
IT (1) | IT1135435B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2141234B (en) * | 1983-06-07 | 1986-11-12 | Mo Energeticheskij Institut | Eddy-current flaw detector |
DE3824948A1 (en) * | 1988-07-22 | 1990-01-25 | Fiz Energet I An Latvssr | Eddy-current device for non-destructive testing |
DE4003330A1 (en) * | 1990-02-05 | 1991-08-08 | Foerster Inst Dr Friedrich | Eddy current tester |
JP2008089328A (en) | 2006-09-29 | 2008-04-17 | Hitachi Ltd | Eddy current flaw detector and eddy current flaw detection method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB596182A (en) * | 1945-07-24 | 1947-12-30 | British Thomson Houston Co Ltd | Improvements relating to apparatus for detecting flaws in metal wire |
GB870487A (en) * | 1958-01-24 | 1961-06-14 | Republic Steel Corp | Flaw detecting device |
DE2049486A1 (en) * | 1969-10-10 | 1971-04-22 | Automation Ind Inc | Material testing device |
AU3837372A (en) * | 1971-02-01 | 1973-08-02 | Automation Industries, Inc | Eddy current nondestructive testing system |
GB1475517A (en) * | 1974-06-27 | 1977-06-01 | British Steel Corp | Detection of surface defects in elongate metallic members |
US4095180A (en) * | 1975-12-29 | 1978-06-13 | K. J. Law Engineers, Inc. | Method and apparatus for testing conductivity using eddy currents |
SE444079B (en) * | 1977-11-22 | 1986-03-17 | British Steel Corp | DEVICE FOR CHECKING THE SURFACE OF A LONG-TERM METAL FORM |
-
1980
- 1980-02-16 DE DE3005915A patent/DE3005915C2/en not_active Expired
-
1981
- 1981-02-04 FR FR8102162A patent/FR2476318A1/en active Granted
- 1981-02-12 IT IT19687/81A patent/IT1135435B/en active
- 1981-02-13 GB GB8104508A patent/GB2069708A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3005915A1 (en) | 1981-08-27 |
FR2476318A1 (en) | 1981-08-21 |
DE3005915C2 (en) | 1985-01-10 |
IT8119687A0 (en) | 1981-02-12 |
GB2069708A (en) | 1981-08-26 |
IT1135435B (en) | 1986-08-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |