CA1158314A - Eddy current surface probe - Google Patents

Eddy current surface probe

Info

Publication number
CA1158314A
CA1158314A CA000359392A CA359392A CA1158314A CA 1158314 A CA1158314 A CA 1158314A CA 000359392 A CA000359392 A CA 000359392A CA 359392 A CA359392 A CA 359392A CA 1158314 A CA1158314 A CA 1158314A
Authority
CA
Canada
Prior art keywords
coil
eddy current
coils
lift
probe
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
Application number
CA000359392A
Other languages
English (en)
French (fr)
Inventor
Valentino S. Cecco
Hugh W. Ghent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atomic Energy of Canada Ltd AECL
Original Assignee
Atomic Energy of Canada Ltd AECL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Atomic Energy of Canada Ltd AECL filed Critical Atomic Energy of Canada Ltd AECL
Priority to CA000359392A priority Critical patent/CA1158314A/en
Priority to IT68073/81A priority patent/IT1144610B/it
Priority to DE19813130685 priority patent/DE3130685A1/de
Priority to GB8123782A priority patent/GB2082330B/en
Priority to FR8115475A priority patent/FR2488693A1/fr
Priority to JP56128655A priority patent/JPS5772055A/ja
Application granted granted Critical
Publication of CA1158314A publication Critical patent/CA1158314A/en
Expired legal-status Critical Current

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)
CA000359392A 1980-08-18 1980-08-18 Eddy current surface probe Expired CA1158314A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA000359392A CA1158314A (en) 1980-08-18 1980-08-18 Eddy current surface probe
IT68073/81A IT1144610B (it) 1980-08-18 1981-07-31 Sonda per correnti parassite superficiali
DE19813130685 DE3130685A1 (de) 1980-08-18 1981-08-03 Wirbelstrom-oberflaechensonde
GB8123782A GB2082330B (en) 1980-08-18 1981-08-04 Eddy current surface probe
FR8115475A FR2488693A1 (fr) 1980-08-18 1981-08-10 Sonde de surface a courants de foucault
JP56128655A JPS5772055A (en) 1980-08-18 1981-08-17 Eddy current type probe

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 (1)

Publication Number Publication Date
CA1158314A true CA1158314A (en) 1983-12-06

Family

ID=4117782

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000359392A Expired CA1158314A (en) 1980-08-18 1980-08-18 Eddy current surface probe

Country Status (6)

Country Link
JP (1) JPS5772055A (enrdf_load_stackoverflow)
CA (1) CA1158314A (enrdf_load_stackoverflow)
DE (1) DE3130685A1 (enrdf_load_stackoverflow)
FR (1) FR2488693A1 (enrdf_load_stackoverflow)
GB (1) GB2082330B (enrdf_load_stackoverflow)
IT (1) IT1144610B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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 (sv) * 1984-02-17 1988-11-28 Bengt Hjalmar Toernblom Saett och anordning foer provning av elektriskt ledande provobjekt
FR2574938B1 (fr) * 1984-12-19 1986-12-26 Snecma Methode de controle par courants de foucault sans contact et dispositif de mise en oeuvre
GB8521266D0 (en) * 1985-08-24 1985-10-02 Thorburn Technics Int Electromagnetic inspection probe
EP0518635B1 (en) * 1991-06-11 2003-05-21 Newt Holdings Limited Probe
CA2310467A1 (en) * 1997-11-21 1999-06-03 Volvo Aero Corporation A testing method for machined workpieces
US7289913B2 (en) * 2004-10-08 2007-10-30 Jentek Sensors, Inc. Local feature characterization using quasistatic electromagnetic sensors
CN107907587B (zh) * 2017-11-10 2021-05-11 南昌航空大学 一种欠阻尼状态脉冲涡流检测系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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 (ru) * 1976-01-28 1978-02-28 Иркутский Филиал Всесоюзного Научно-Исследовательского И Проектного Института Алюминиевой Магниевой И Электродной Промышленности Структуроскоп
DE2746568A1 (de) * 1977-10-17 1979-04-26 Kraftwerk Union Ag Wirbelstrompruefsonde zur pruefung ferromagnetischer werkstoffe

Also Published As

Publication number Publication date
IT8168073A0 (it) 1981-07-31
JPS5772055A (en) 1982-05-06
FR2488693B1 (enrdf_load_stackoverflow) 1984-01-06
GB2082330B (en) 1984-05-31
DE3130685A1 (de) 1982-04-15
FR2488693A1 (fr) 1982-02-19
GB2082330A (en) 1982-03-03
IT1144610B (it) 1986-10-29

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