BE691828A - - Google Patents
Info
- Publication number
- BE691828A BE691828A BE691828A BE691828A BE691828A BE 691828 A BE691828 A BE 691828A BE 691828 A BE691828 A BE 691828A BE 691828 A BE691828 A BE 691828A BE 691828 A BE691828 A BE 691828A
- Authority
- BE
- Belgium
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
- G01N27/9073—Recording measured data
- G01N27/908—Recording measured data synchronously with scanning
-
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US522325A US3419797A (en) | 1966-01-21 | 1966-01-21 | Nondestructive eddy current testing device for testing metal tubing and instantaneously displaying the cross section of said tubing |
Publications (1)
Publication Number | Publication Date |
---|---|
BE691828A true BE691828A (de) | 1967-05-29 |
Family
ID=24080411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE691828A BE691828A (de) | 1966-01-21 | 1966-12-27 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3419797A (de) |
BE (1) | BE691828A (de) |
DE (1) | DE1648753A1 (de) |
FR (1) | FR1507410A (de) |
GB (1) | GB1101850A (de) |
SE (1) | SE321367B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3718855A (en) * | 1970-11-30 | 1973-02-27 | R Cordova | Eddy current flaw detection system |
JPS52138787U (de) * | 1976-04-15 | 1977-10-21 | ||
CA1038038A (en) * | 1976-04-30 | 1978-09-05 | Northern Telecom Limited | Apparatus for measuring and indicating the thickness of non-metallic coatings |
US4337431A (en) * | 1978-03-13 | 1982-06-29 | United Kingdom Atomic Energy Authority | Eddy current test apparatus for annular welds |
FR2422952A1 (fr) * | 1978-04-10 | 1979-11-09 | Siderurgie Fse Inst Rech | Procede et dispositif de detection par courants de foucault des variations d'un parametre lie a un produit metallique |
FR2492968A1 (fr) * | 1980-10-29 | 1982-04-30 | Petroles Cie Francaise | Procede et dispositif de mesure de l'ovalisation d'une conduite |
FR2512959A1 (fr) * | 1981-09-14 | 1983-03-18 | Commissariat Energie Atomique | Procede et dispositifs de controle d'une surface au moyen d'un capteur a courants de foucault |
US4625165A (en) * | 1981-09-28 | 1986-11-25 | Samuel Rothstein | Tube inspection probe with rotating eddy current coil |
IL68155A0 (en) * | 1982-08-03 | 1983-06-15 | Gen Electric | Eddy current microscope |
US4596952A (en) * | 1983-01-26 | 1986-06-24 | Goff John G | Method using proximity sensor mounted on rotatable shaft for determining turbine seal clearance |
US4673879A (en) * | 1984-06-27 | 1987-06-16 | Rupublic Steel Corporation | Eddy current flaw detector having rotatable field defining sleeve for selectively enhancing induced eddy currents in a workpiece |
US4644271A (en) * | 1985-02-25 | 1987-02-17 | Ltv Steel Company, Inc. | Method and apparatus for examining a workpiece |
US4675604A (en) * | 1985-08-28 | 1987-06-23 | Exxon Production Research Co. | Computerized and motorized electromagnetic flux leakage internal diameter tubular inspection device |
CN109752451A (zh) * | 2018-12-07 | 2019-05-14 | 兰州空间技术物理研究所 | 一种基于正弦幅度调制涡流的导体损伤检测方法 |
CN111842205A (zh) * | 2020-06-24 | 2020-10-30 | 南京信息工程大学 | 一种金属材料无损分选方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2878446A (en) * | 1957-04-03 | 1959-03-17 | Tuboscope Company | Methods and apparatus for inspecting ferromagnetic members |
US2894203A (en) * | 1957-04-11 | 1959-07-07 | Robert W Cory | Multiple frequency eddy current testing apparatus |
US3135914A (en) * | 1959-09-04 | 1964-06-02 | Magnetic Analysis Corp | Multi-frequency testing method and apparatus for selectively detecting flaws at different depths |
US3229198A (en) * | 1962-09-28 | 1966-01-11 | Hugo L Libby | Eddy current nondestructive testing device for measuring multiple parameter variables of a metal sample |
-
1966
- 1966-01-21 US US522325A patent/US3419797A/en not_active Expired - Lifetime
- 1966-12-19 GB GB56612/66A patent/GB1101850A/en not_active Expired
- 1966-12-27 BE BE691828A patent/BE691828A/xx unknown
- 1966-12-30 FR FR89599A patent/FR1507410A/fr not_active Expired
-
1967
- 1967-01-18 SE SE711/67A patent/SE321367B/xx unknown
- 1967-01-19 DE DE19671648753 patent/DE1648753A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
SE321367B (de) | 1970-03-02 |
US3419797A (en) | 1968-12-31 |
GB1101850A (en) | 1968-01-31 |
FR1507410A (fr) | 1967-12-29 |
DE1648753A1 (de) | 1971-04-15 |