FI850197A0 - Foerfarande foer kontroll av byggdelar med hjaelp av en virvelstroem, i synnerhet i kaerntekniska anlaeggningar. - Google Patents
Foerfarande foer kontroll av byggdelar med hjaelp av en virvelstroem, i synnerhet i kaerntekniska anlaeggningar.Info
- Publication number
- FI850197A0 FI850197A0 FI850197A FI850197A FI850197A0 FI 850197 A0 FI850197 A0 FI 850197A0 FI 850197 A FI850197 A FI 850197A FI 850197 A FI850197 A FI 850197A FI 850197 A0 FI850197 A0 FI 850197A0
- Authority
- FI
- Finland
- Prior art keywords
- virvelstroem
- kaerntekniska
- byggdelar
- anlaeggningar
- synnerhet
- Prior art date
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3411898 | 1984-03-30 | ||
DE19843411898 DE3411898A1 (de) | 1984-03-30 | 1984-03-30 | Verfahren zur pruefung von metallischen bauteilen, insbesondere kerntechnischer anlagen, mittels wirbelstrom |
Publications (4)
Publication Number | Publication Date |
---|---|
FI850197A0 true FI850197A0 (fi) | 1985-01-16 |
FI850197L FI850197L (fi) | 1985-10-01 |
FI84762B FI84762B (fi) | 1991-09-30 |
FI84762C FI84762C (fi) | 1992-01-10 |
Family
ID=6232148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI850197A FI84762C (fi) | 1984-03-30 | 1985-01-16 | Foerfarande foer kontroll av byggdelar med hjaelp av en virvelstroem, i synnerhet i kaerntekniska anlaeggningar. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4687992A (fi) |
EP (1) | EP0156020B1 (fi) |
JP (1) | JPS60219550A (fi) |
BR (1) | BR8501450A (fi) |
DE (2) | DE3411898A1 (fi) |
ES (1) | ES8900066A1 (fi) |
FI (1) | FI84762C (fi) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4763274A (en) * | 1986-06-24 | 1988-08-09 | Westinghouse Electric Corp. | Machine implemented analysis eddy current data |
DE4129153A1 (de) * | 1991-09-02 | 1992-06-04 | Gemeinschaftskernkraftwerk Nec | Verfahren zur ueberpruefung der waermetauscherrohre in einem waermetauscher |
US5418456A (en) * | 1992-06-17 | 1995-05-23 | Westinghouse Electric Corporation | Monitoring pilger forming operation by sensing periodic lateral displacement of workpiece |
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 |
EP1952135A4 (en) * | 2005-11-03 | 2011-12-14 | Coastal Res Corp | CONVIVIAL FOUCAULT CURRENT NETWORK |
US10896767B2 (en) * | 2011-04-07 | 2021-01-19 | Westinghouse Electric Company Llc | Method of detecting an existence of a loose part in a steam generator of a nuclear power plant |
DE102017209151A1 (de) * | 2017-05-31 | 2018-12-06 | Siemens Aktiengesellschaft | Vorrichtung und Verfahren zur zerstörungsfreien Prüfung eines Bauteils |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2992390A (en) * | 1956-06-18 | 1961-07-11 | Continental Oil Co | Method and apparatus for electrical testing of pipe |
US3437810A (en) * | 1964-02-26 | 1969-04-08 | American Mach & Foundry | Non-destructive tubular goods inspection apparatus |
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 |
US4325026A (en) * | 1979-03-19 | 1982-04-13 | Westinghouse Electric Corp. | Plural coil eddy current mapping probe |
US4303885A (en) * | 1979-06-18 | 1981-12-01 | Electric Power Research Institute, Inc. | Digitally controlled multifrequency eddy current test apparatus and method |
-
1984
- 1984-03-30 DE DE19843411898 patent/DE3411898A1/de not_active Withdrawn
- 1984-12-17 EP EP84115578A patent/EP0156020B1/de not_active Expired - Lifetime
- 1984-12-17 DE DE8484115578T patent/DE3484309D1/de not_active Expired - Fee Related
-
1985
- 1985-01-16 FI FI850197A patent/FI84762C/fi not_active IP Right Cessation
- 1985-03-27 JP JP60063156A patent/JPS60219550A/ja active Pending
- 1985-03-29 BR BR8501450A patent/BR8501450A/pt unknown
- 1985-03-29 US US06/717,888 patent/US4687992A/en not_active Expired - Fee Related
- 1985-03-29 ES ES541754A patent/ES8900066A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES541754A0 (es) | 1988-11-16 |
BR8501450A (pt) | 1985-11-26 |
EP0156020A3 (en) | 1988-07-20 |
JPS60219550A (ja) | 1985-11-02 |
FI850197L (fi) | 1985-10-01 |
EP0156020B1 (de) | 1991-03-20 |
EP0156020A2 (de) | 1985-10-02 |
US4687992A (en) | 1987-08-18 |
FI84762C (fi) | 1992-01-10 |
FI84762B (fi) | 1991-09-30 |
ES8900066A1 (es) | 1988-11-16 |
DE3411898A1 (de) | 1985-10-10 |
DE3484309D1 (de) | 1991-04-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: SIEMENS AKTIENGESELLSCHAFT |