IT1144610B - SURFACE PARASITE CURRENT PROBE - Google Patents
SURFACE PARASITE CURRENT PROBEInfo
- Publication number
- IT1144610B IT1144610B IT68073/81A IT6807381A IT1144610B IT 1144610 B IT1144610 B IT 1144610B IT 68073/81 A IT68073/81 A IT 68073/81A IT 6807381 A IT6807381 A IT 6807381A IT 1144610 B IT1144610 B IT 1144610B
- Authority
- IT
- Italy
- Prior art keywords
- current probe
- parasite current
- surface parasite
- probe
- parasite
- 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
- 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
- G01N27/9006—Details, e.g. in the structure or functioning of 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000359392A CA1158314A (en) | 1980-08-18 | 1980-08-18 | Eddy current surface probe |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8168073A0 IT8168073A0 (en) | 1981-07-31 |
IT1144610B true IT1144610B (en) | 1986-10-29 |
Family
ID=4117782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68073/81A IT1144610B (en) | 1980-08-18 | 1981-07-31 | SURFACE PARASITE CURRENT PROBE |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5772055A (en) |
CA (1) | CA1158314A (en) |
DE (1) | DE3130685A1 (en) |
FR (1) | FR2488693A1 (en) |
GB (1) | GB2082330B (en) |
IT (1) | IT1144610B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1201481A (en) * | 1982-10-22 | 1986-03-04 | Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Canada Limited/L'energie Atomique Du Canada Limitee | Eddy current probe with defect-noise discrimination |
SE457117B (en) * | 1984-02-17 | 1988-11-28 | Bengt Hjalmar Toernblom | SET AND DEVICE FOR TESTING ELECTRICALLY CONDUCTIVE SAMPLES |
FR2574938B1 (en) * | 1984-12-19 | 1986-12-26 | Snecma | METHOD OF CONTROLLING BY CONTACTLESS EDGE CURRENT AND DEVICE FOR IMPLEMENTING IT |
GB8521266D0 (en) * | 1985-08-24 | 1985-10-02 | Thorburn Technics Int | Electromagnetic inspection probe |
DE69233065D1 (en) * | 1991-06-11 | 2003-06-26 | Newt Holdings Ltd | probe |
JP2001524669A (en) * | 1997-11-21 | 2001-12-04 | ボルボ エアロ コーポレイション | Inspection method for machined products |
US7289913B2 (en) * | 2004-10-08 | 2007-10-30 | Jentek Sensors, Inc. | Local feature characterization using quasistatic electromagnetic sensors |
CN107907587B (en) * | 2017-11-10 | 2021-05-11 | 南昌航空大学 | Under-damping state pulse eddy current detection system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3197693A (en) * | 1960-10-04 | 1965-07-27 | Hugo L Libby | Nondestructive eddy current subsurface testing device providing compensation for variation in probe-to-specimen spacing and surface irregularities |
US3449664A (en) * | 1966-05-16 | 1969-06-10 | Bell Inc F W | Magnetic reaction testing apparatus and method of testing utilizing semiconductor means for magnetic field sensing of an eddy-current-reaction magnetic field |
US3753096A (en) * | 1971-02-04 | 1973-08-14 | Automation Ind Inc | Eddy current flaw detection system with left off compensation |
SU595671A2 (en) * | 1976-01-28 | 1978-02-28 | Иркутский Филиал Всесоюзного Научно-Исследовательского И Проектного Института Алюминиевой Магниевой И Электродной Промышленности | Structure scope |
DE2746568A1 (en) * | 1977-10-17 | 1979-04-26 | Kraftwerk Union Ag | EDDY CURRENT PROBE FOR TESTING FERROMAGNETIC MATERIALS |
-
1980
- 1980-08-18 CA CA000359392A patent/CA1158314A/en not_active Expired
-
1981
- 1981-07-31 IT IT68073/81A patent/IT1144610B/en active
- 1981-08-03 DE DE19813130685 patent/DE3130685A1/en not_active Withdrawn
- 1981-08-04 GB GB8123782A patent/GB2082330B/en not_active Expired
- 1981-08-10 FR FR8115475A patent/FR2488693A1/en active Granted
- 1981-08-17 JP JP56128655A patent/JPS5772055A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2488693A1 (en) | 1982-02-19 |
CA1158314A (en) | 1983-12-06 |
IT8168073A0 (en) | 1981-07-31 |
JPS5772055A (en) | 1982-05-06 |
GB2082330A (en) | 1982-03-03 |
GB2082330B (en) | 1984-05-31 |
DE3130685A1 (en) | 1982-04-15 |
FR2488693B1 (en) | 1984-01-06 |
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