FR2488693A1 - Sonde de surface a courants de foucault - Google Patents

Sonde de surface a courants de foucault Download PDF

Info

Publication number
FR2488693A1
FR2488693A1 FR8115475A FR8115475A FR2488693A1 FR 2488693 A1 FR2488693 A1 FR 2488693A1 FR 8115475 A FR8115475 A FR 8115475A FR 8115475 A FR8115475 A FR 8115475A FR 2488693 A1 FR2488693 A1 FR 2488693A1
Authority
FR
France
Prior art keywords
coils
current probe
probe according
coil
differ
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.)
Granted
Application number
FR8115475A
Other languages
English (en)
French (fr)
Other versions
FR2488693B1 (cg-RX-API-DMAC7.html
Inventor
Hugh W Ghent
Valentino S Cecco
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
Publication of FR2488693A1 publication Critical patent/FR2488693A1/fr
Application granted granted Critical
Publication of FR2488693B1 publication Critical patent/FR2488693B1/fr
Granted 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)
FR8115475A 1980-08-18 1981-08-10 Sonde de surface a courants de foucault Granted FR2488693A1 (fr)

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
FR2488693A1 true FR2488693A1 (fr) 1982-02-19
FR2488693B1 FR2488693B1 (cg-RX-API-DMAC7.html) 1984-01-06

Family

ID=4117782

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8115475A Granted FR2488693A1 (fr) 1980-08-18 1981-08-10 Sonde de surface a courants de foucault

Country Status (6)

Country Link
JP (1) JPS5772055A (cg-RX-API-DMAC7.html)
CA (1) CA1158314A (cg-RX-API-DMAC7.html)
DE (1) DE3130685A1 (cg-RX-API-DMAC7.html)
FR (1) FR2488693A1 (cg-RX-API-DMAC7.html)
GB (1) GB2082330B (cg-RX-API-DMAC7.html)
IT (1) IT1144610B (cg-RX-API-DMAC7.html)

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
EP1032829A1 (en) * 1997-11-21 2000-09-06 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

Citations (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
DE1648358A1 (de) * 1966-05-16 1971-05-13 Bell Inc F W Verfahren und Geraet zur Bestimmung von Unstetigkeitsstellen in elektrisch leitenden Materialien
FR2125049A5 (cg-RX-API-DMAC7.html) * 1971-02-04 1972-09-22 Automation Ind Inc
DE2703364A1 (de) * 1976-01-28 1977-08-18 Ir Vni I Pi Aljuminievoj Magni Wirbelstromumformer
FR2406198A1 (fr) * 1977-10-17 1979-05-11 Kraftwerk Union Ag Sonde a courant de foucault pour le controle de materiaux ferromagnetiques

Patent Citations (6)

* 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
DE1648358A1 (de) * 1966-05-16 1971-05-13 Bell Inc F W Verfahren und Geraet zur Bestimmung von Unstetigkeitsstellen in elektrisch leitenden Materialien
FR2125049A5 (cg-RX-API-DMAC7.html) * 1971-02-04 1972-09-22 Automation Ind Inc
US3753096A (en) * 1971-02-04 1973-08-14 Automation Ind Inc Eddy current flaw detection system with left off compensation
DE2703364A1 (de) * 1976-01-28 1977-08-18 Ir Vni I Pi Aljuminievoj Magni Wirbelstromumformer
FR2406198A1 (fr) * 1977-10-17 1979-05-11 Kraftwerk Union Ag Sonde a courant de foucault pour le controle de materiaux ferromagnetiques

Also Published As

Publication number Publication date
GB2082330A (en) 1982-03-03
CA1158314A (en) 1983-12-06
IT8168073A0 (it) 1981-07-31
GB2082330B (en) 1984-05-31
DE3130685A1 (de) 1982-04-15
IT1144610B (it) 1986-10-29
JPS5772055A (en) 1982-05-06
FR2488693B1 (cg-RX-API-DMAC7.html) 1984-01-06

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