DK202482A - Fremgangsmaade og apparat til detektering af fejl i roerformedemetaldele - Google Patents
Fremgangsmaade og apparat til detektering af fejl i roerformedemetaldele Download PDFInfo
- Publication number
- DK202482A DK202482A DK202482A DK202482A DK202482A DK 202482 A DK202482 A DK 202482A DK 202482 A DK202482 A DK 202482A DK 202482 A DK202482 A DK 202482A DK 202482 A DK202482 A DK 202482A
- Authority
- DK
- Denmark
- Prior art keywords
- metal parts
- form metal
- pipe form
- detecting errors
- errors
- 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
-
- 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
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)
- Pens And Brushes (AREA)
- Geophysics And Detection Of Objects (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26215581A | 1981-05-11 | 1981-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK202482A true DK202482A (da) | 1982-11-12 |
Family
ID=22996379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK202482A DK202482A (da) | 1981-05-11 | 1982-05-06 | Fremgangsmaade og apparat til detektering af fejl i roerformedemetaldele |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0065325A3 (da) |
| JP (1) | JPS57192858A (da) |
| AU (1) | AU552326B2 (da) |
| CA (1) | CA1208291A (da) |
| DK (1) | DK202482A (da) |
| NO (1) | NO159508C (da) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503393A (en) * | 1981-10-05 | 1985-03-05 | Exxon Production Research Co. | Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor |
| US4510447A (en) * | 1981-10-26 | 1985-04-09 | Exxon Production Research Co. | Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe |
| JPH073408B2 (ja) * | 1985-03-29 | 1995-01-18 | 日本鋼管株式会社 | パイプラインの孔食検出装置 |
| US4808927A (en) * | 1987-02-19 | 1989-02-28 | Atomic Energy Of Canada Limited | Circumferentially compensating eddy current probe with alternately polarized receiver coil |
| US4808924A (en) * | 1987-02-19 | 1989-02-28 | Atomic Energy Of Canada Limited | Circumferentially compensating eddy current probe with alternately polarized transmit coils and receiver coils |
| CA2076205C (en) * | 1992-08-14 | 1999-04-20 | Valentino S. Cecco | Differential transmit-receive eddy current probe incorporating bracelets of multi-coil units |
| US5675251A (en) * | 1994-07-07 | 1997-10-07 | Hydroscope Inc. | Device and method for inspection of pipelines |
| JP3428734B2 (ja) * | 1994-08-01 | 2003-07-22 | 東京瓦斯株式会社 | 金属管探傷装置及び金属管探傷方法 |
| US6002251A (en) * | 1995-12-15 | 1999-12-14 | Sun; Yu-Shi | Electromagnetic-field-focusing remote-field eddy-current probe system and method for inspecting anomalies in conducting plates |
| GB2314416B (en) * | 1996-06-22 | 2001-01-10 | Aea Technology Plc | Remote-field eddy current testing |
| US5821747A (en) * | 1997-01-08 | 1998-10-13 | Queen's University At Kingston | Method and apparatus for scanning a plurality of parallel pipes for flaws using tube-to-tube through transmissions |
| GB9718891D0 (en) * | 1997-09-06 | 1997-11-12 | British Gas Plc | Pipeline inspection device |
| US6359434B1 (en) * | 1998-09-30 | 2002-03-19 | Hydroscope Cananda Inc. | Method and system for determining pipeline circumferential and non-circumferential wall loss defects in a water pipeline |
| CA2504908A1 (en) | 2004-04-23 | 2005-10-23 | Innovative Materials Testing Technologies, Inc. | Apparatus and method for eddy-current magnetic scanning a surface to detect sub-surface cracks around a boundary |
| US20060164091A1 (en) * | 2005-01-26 | 2006-07-27 | Battelle Memorial Institute | Rotating magnet-induced current pipeline inspection tool and method |
| US7626383B1 (en) | 2005-04-25 | 2009-12-01 | Innovative Materials Testing Technologies, Inc. | Apparatus and method for holding a rotatable eddy-current magnetic probe, and for rotating the probe around a boundary |
| US7560920B1 (en) | 2005-10-28 | 2009-07-14 | Innovative Materials Testing Technologies, Inc. | Apparatus and method for eddy-current scanning of a surface to detect cracks and other defects |
| JP5981706B2 (ja) * | 2011-11-16 | 2016-08-31 | 偕成エンジニア株式会社 | 電磁誘導式検査方法及び電磁誘導式検査装置 |
| CN105241952B (zh) * | 2015-10-30 | 2018-03-23 | 湘潭大学 | 一种基于远场涡流的管道弯头缺陷检测方法及检测装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB886760A (en) * | 1958-12-08 | 1962-01-10 | Shell Int Research | Improvements in and relating to apparatus for detecting and recording flaws, irregularities and other defects in materials capable of conducting an electric current or magnetic flux |
| US3906357A (en) * | 1973-06-29 | 1975-09-16 | Amf Inc | Method and apparatus for testing an object for flaws consisting of two sensors spaced apart along the object path and each connected to a common marker |
| GB1498218A (en) * | 1974-06-17 | 1978-01-18 | Kennecott Copper Corp | Method and apparatus for detecting the presence of magnetic anomalies in ferromagnetic and non-ferromagnetic materials |
| US4292589A (en) * | 1979-05-09 | 1981-09-29 | Schlumberger Technology Corporation | Eddy current method and apparatus for inspecting ferromagnetic tubular members |
-
1982
- 1982-02-18 CA CA000396523A patent/CA1208291A/en not_active Expired
- 1982-04-20 EP EP82200479A patent/EP0065325A3/en not_active Ceased
- 1982-05-06 DK DK202482A patent/DK202482A/da not_active Application Discontinuation
- 1982-05-07 AU AU83521/82A patent/AU552326B2/en not_active Ceased
- 1982-05-07 NO NO821520A patent/NO159508C/no unknown
- 1982-05-07 JP JP57077402A patent/JPS57192858A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NO159508C (no) | 1989-01-04 |
| JPS57192858A (en) | 1982-11-27 |
| EP0065325A3 (en) | 1985-01-09 |
| AU8352182A (en) | 1982-11-18 |
| NO821520L (no) | 1982-11-12 |
| EP0065325A2 (en) | 1982-11-24 |
| CA1208291A (en) | 1986-07-22 |
| NO159508B (no) | 1988-09-26 |
| AU552326B2 (en) | 1986-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment |