GB2281398B - Flaw detector for metal material - Google Patents
Flaw detector for metal materialInfo
- Publication number
- GB2281398B GB2281398B GB9421617A GB9421617A GB2281398B GB 2281398 B GB2281398 B GB 2281398B GB 9421617 A GB9421617 A GB 9421617A GB 9421617 A GB9421617 A GB 9421617A GB 2281398 B GB2281398 B GB 2281398B
- Authority
- GB
- United Kingdom
- Prior art keywords
- metal material
- flaw detector
- flaw
- detector
- metal
- 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
- G01N27/9046—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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3090685A JPH04323550A (en) | 1991-04-22 | 1991-04-22 | Metallic material flaw detection device |
JP12129191A JP3152676B2 (en) | 1991-05-27 | 1991-05-27 | Metal remote field eddy current flaw detector |
GB9116817A GB2255184B (en) | 1991-04-22 | 1991-08-05 | Flaw detector for metal material |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2281398A GB2281398A (en) | 1995-03-01 |
GB2281398B true GB2281398B (en) | 1995-08-16 |
Family
ID=27265799
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9421617A Expired - Fee Related GB2281398B (en) | 1991-04-22 | 1991-08-05 | Flaw detector for metal material |
GB9421618A Expired - Fee Related GB2281399B (en) | 1991-04-22 | 1991-08-05 | Flaw detector for metal material |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9421618A Expired - Fee Related GB2281399B (en) | 1991-04-22 | 1991-08-05 | Flaw detector for metal material |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2281398B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
GB0403164D0 (en) | 2004-02-12 | 2004-03-17 | Dynalog Electronics Ltd | Pipeline surveying |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1403734A (en) * | 1971-08-24 | 1975-08-28 | Deutsch V | Testing of materials |
GB2129140A (en) * | 1982-10-22 | 1984-05-10 | Ca Atomic Energy Ltd | An eddy current probe with defect-noise discrimination |
US4849693A (en) * | 1988-02-29 | 1989-07-18 | Battelle Memorial Institute | Automated measurement system employing eddy currents to adjust probe position and determine metal hardness |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1329302A (en) * | 1970-09-16 | 1973-09-05 | Nippon Kokan Kk | Eddy current flaw detector apparatus |
JPS5940265B2 (en) * | 1978-02-13 | 1984-09-28 | 日本鋼管株式会社 | Thermal billet eddy current flaw detection equipment |
-
1991
- 1991-08-05 GB GB9421617A patent/GB2281398B/en not_active Expired - Fee Related
- 1991-08-05 GB GB9421618A patent/GB2281399B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1403734A (en) * | 1971-08-24 | 1975-08-28 | Deutsch V | Testing of materials |
GB2129140A (en) * | 1982-10-22 | 1984-05-10 | Ca Atomic Energy Ltd | An eddy current probe with defect-noise discrimination |
US4849693A (en) * | 1988-02-29 | 1989-07-18 | Battelle Memorial Institute | Automated measurement system employing eddy currents to adjust probe position and determine metal hardness |
Also Published As
Publication number | Publication date |
---|---|
GB2281398A (en) | 1995-03-01 |
GB2281399A (en) | 1995-03-01 |
GB2281399B (en) | 1995-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020805 |