JPH01272959A - パルス渦電流による物体制御方法及び装置 - Google Patents

パルス渦電流による物体制御方法及び装置

Info

Publication number
JPH01272959A
JPH01272959A JP1043399A JP4339989A JPH01272959A JP H01272959 A JPH01272959 A JP H01272959A JP 1043399 A JP1043399 A JP 1043399A JP 4339989 A JP4339989 A JP 4339989A JP H01272959 A JPH01272959 A JP H01272959A
Authority
JP
Japan
Prior art keywords
sample
pulse
amplitude
probe
input terminal
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.)
Pending
Application number
JP1043399A
Other languages
English (en)
Japanese (ja)
Inventor
Francois Champonnois
フランソワ　シャンポノワ
Bernard David
ベルナール　デイビッド
Francis Joffre
フランシス　ジョフル
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.)
Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of JPH01272959A publication Critical patent/JPH01272959A/ja
Pending 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

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)
JP1043399A 1988-02-26 1989-02-27 パルス渦電流による物体制御方法及び装置 Pending JPH01272959A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8802377 1988-02-26
FR8802377A FR2627862A1 (fr) 1988-02-26 1988-02-26 Procede de controle par courants de foucault impulsionnels et dispositif de mise en oeuvre

Publications (1)

Publication Number Publication Date
JPH01272959A true JPH01272959A (ja) 1989-10-31

Family

ID=9363671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1043399A Pending JPH01272959A (ja) 1988-02-26 1989-02-27 パルス渦電流による物体制御方法及び装置

Country Status (5)

Country Link
US (1) US4954778A (enExample)
EP (1) EP0335757B1 (enExample)
JP (1) JPH01272959A (enExample)
DE (1) DE68901570D1 (enExample)
FR (1) FR2627862A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012026806A (ja) * 2010-07-21 2012-02-09 Toshiba Corp リモートフィールド渦電流探傷装置、及び方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2622536B2 (ja) * 1990-03-16 1997-06-18 株式会社日本非破壊計測研究所 渦流探傷方法及びその装置
US5233297A (en) * 1990-08-06 1993-08-03 Atlantic Richfield Company Transient electromagnetic method and apparatus for inspecting conductive objects utilizing sensors that move during inspection
US6285183B1 (en) 1996-09-30 2001-09-04 Mcdonnell Douglas Corporation Method and system for measuring the volume loss of a metal substrate
JP2002022708A (ja) * 2000-07-06 2002-01-23 Mitsubishi Heavy Ind Ltd 渦流探傷信号の評価方法及びその装置
US6933718B2 (en) * 2001-06-12 2005-08-23 The Boeing Company Quantification method and system for corrosion and damage assessment
JP4451111B2 (ja) * 2003-10-20 2010-04-14 株式会社荏原製作所 渦電流センサ
WO2007056679A2 (en) * 2005-11-03 2007-05-18 The Clock Spring Company L.P. Comformable eddy current array
RU2377554C2 (ru) * 2008-02-11 2009-12-27 Открытое акционерное общество "Государственный научный центр - Научно-исследовательский институт атомных реакторов " - ОАО "ГНЦ НИИАР" Способ импульсного вихретокового контроля
RU2547153C1 (ru) * 2013-11-29 2015-04-10 Акционерное общество "Всероссийский научно-исследовательский институт по эксплуатации атомных электростанций" (АО ВНИИАЭС) Способ повышения достоверности вихретокового неразрушающего дефектоскопического контроля
US11499940B2 (en) * 2019-01-22 2022-11-15 Zetec, Inc. Eddy current probe

Family Cites Families (12)

* 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
US3229197A (en) * 1961-10-31 1966-01-11 Jr Claus J Renken Pulsed electromagnetic field system for nondestructive testing
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
FR2195021B1 (enExample) * 1972-08-03 1976-01-23 Commissariat A En Atomique Fr
FR2324003A1 (fr) * 1975-09-09 1977-04-08 Commissariat Energie Atomique Procede de controle non destructif par courants de foucault et dispositif correspondant, utilisant une excitation multifrequence et permettant l'elimination de certains parametres
FR2339170A1 (fr) * 1976-01-22 1977-08-19 Commissariat Energie Atomique Pont de mesure pour dispositif de controle par courants de foucault
US4061968A (en) * 1976-09-07 1977-12-06 Commissariat A L'energie Atomique Process of and apparatus for non-destructive eddy current testing involves the suppression of displayed lobes corresponding to fault parameters to be eliminated from the display
US4084136A (en) * 1976-10-21 1978-04-11 Battelle Memorial Institute Eddy current nondestructive testing device for measuring variable characteristics of a sample utilizing Walsh functions
FR2443682A1 (fr) * 1978-12-07 1980-07-04 Commissariat Energie Atomique Circuit de correction automatique d'un signal emis par un capteur differentiel desequilibre
FR2451032A1 (fr) * 1979-03-09 1980-10-03 Commissariat Energie Atomique Appareil numerique pour le controle de pieces par courants de foucault
FR2570500B1 (fr) * 1984-09-20 1987-03-20 Siderurgie Fse Inst Rech Procede et dispositif de detection de defauts typiques sur un produit en defilement, notamment pour la detection de criques sur une brame
US4823082A (en) * 1986-02-18 1989-04-18 Kabushiki Kaisha Kobe Seiko Sho Signal processing method for an electromagnetic induction test

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012026806A (ja) * 2010-07-21 2012-02-09 Toshiba Corp リモートフィールド渦電流探傷装置、及び方法

Also Published As

Publication number Publication date
EP0335757B1 (fr) 1992-05-20
DE68901570D1 (de) 1992-06-25
US4954778A (en) 1990-09-04
EP0335757A1 (fr) 1989-10-04
FR2627862A1 (fr) 1989-09-01
FR2627862B1 (enExample) 1994-04-22

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