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FR2528568B1 - Sonde de jauge d'epaisseur a courants de foucault - Google Patents

Sonde de jauge d'epaisseur a courants de foucault

Info

Publication number
FR2528568B1
FR2528568B1 FR8309603A FR8309603A FR2528568B1 FR 2528568 B1 FR2528568 B1 FR 2528568B1 FR 8309603 A FR8309603 A FR 8309603A FR 8309603 A FR8309603 A FR 8309603A FR 2528568 B1 FR2528568 B1 FR 2528568B1
Authority
FR
France
Prior art keywords
thickness gauge
edge thickness
gauge probe
probe
edge
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
FR8309603A
Other languages
English (en)
Other versions
FR2528568A1 (fr
Inventor
Harold Louis Schenk Jr
Warren Robert Junker
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2528568A1 publication Critical patent/FR2528568A1/fr
Application granted granted Critical
Publication of FR2528568B1 publication Critical patent/FR2528568B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/105—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR8309603A 1982-06-10 1983-06-09 Sonde de jauge d'epaisseur a courants de foucault Expired FR2528568B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/387,051 US4553095A (en) 1982-06-10 1982-06-10 Eddy current thickness gauge with constant magnetic bias

Publications (2)

Publication Number Publication Date
FR2528568A1 FR2528568A1 (fr) 1983-12-16
FR2528568B1 true FR2528568B1 (fr) 1987-12-11

Family

ID=23528248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8309603A Expired FR2528568B1 (fr) 1982-06-10 1983-06-09 Sonde de jauge d'epaisseur a courants de foucault

Country Status (4)

Country Link
US (1) US4553095A (fr)
JP (1) JPS58221102A (fr)
FR (1) FR2528568B1 (fr)
GB (1) GB2122752B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6138503A (ja) * 1984-07-31 1986-02-24 Ketsuto Kagaku Kenkyusho:Kk 膜厚計
US5172055A (en) * 1991-10-17 1992-12-15 Grumman Aerospace Corporation Hidden metal edge mapper utilizing eddy current analyzer and spring biased marker
US5343146A (en) * 1992-10-05 1994-08-30 De Felsko Corporation Combination coating thickness gauge using a magnetic flux density sensor and an eddy current search coil
US5341678A (en) * 1993-05-12 1994-08-30 General Electric Company Method for determining thickness of ferromagnetic material deposition on nuclear fuel rods
US5446382A (en) * 1993-06-23 1995-08-29 The Babcock & Wilcox Company Eddy current probe having one yoke within another yoke for increased inspection depth, sensitivity and discrimination
JPH07110203A (ja) * 1993-10-08 1995-04-25 Japan Atom Energy Res Inst 原子炉圧力容器の肉盛り溶接部の厚さを計測する方法及び装置
EP0650028A3 (fr) * 1993-10-22 1996-02-28 Magnetic Analysis Corp Méthode et appareil pour mesurer l'épaisseur des spécimens.
FR2743148B1 (fr) * 1995-12-29 1998-02-27 Framatome Sa Dispositif et procede de controle de tubes par courants de foucault
US6291992B1 (en) * 1996-07-12 2001-09-18 Shell Oil Company Eddy current inspection technique
US6369566B1 (en) * 1999-09-27 2002-04-09 Framatone Anp Inc. Method for measuring crud thickness on nuclear fuel rods
JP4874465B2 (ja) * 2000-03-28 2012-02-15 株式会社東芝 渦電流損失測定センサ
US6975108B2 (en) * 2003-11-13 2005-12-13 Yuli Bilik Methods and devices for eddy current PCB inspection
US8049489B2 (en) 2006-07-26 2011-11-01 Cardiac Pacemakers, Inc. Systems and methods for sensing external magnetic fields in implantable medical devices
FR2947633B1 (fr) * 2009-07-02 2012-04-13 Snecma Dispositif de controle non destructif d'une piece
JP2011047736A (ja) * 2009-08-26 2011-03-10 Sumitomo Chemical Co Ltd オーステナイト系ステンレス鋼溶接部の検査方法
GB2475314B8 (en) * 2009-11-16 2013-09-25 Innospection Group Ltd Remote environment inspection apparatus and method
GB2537124B (en) 2015-04-07 2018-09-05 Innospection Group Ltd In-line inspection tool
DE102017129150B4 (de) * 2017-12-07 2020-03-05 Helmut Fischer GmbH Institut für Elektronik und Messtechnik Verfahren und Vorrichtung zur Messung der Dicke von nicht magnetisierbaren Schichten auf einem magnetisierbaren Grundwerkstoff
US10830837B2 (en) 2018-10-26 2020-11-10 General Electric Company Magnetic adhesive force monitoring system for magnetic wheeled robot

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB544498A (fr) * 1900-01-01
US2226275A (en) * 1939-11-16 1940-12-24 Gen Electric Magnetic thickness gauge
DE883657C (de) * 1951-06-19 1953-07-20 Licentia Gmbh Verfahren und Messgeraet fuer die Schichtdickenmessung gehaerteter Oberflaechen
GB810423A (en) * 1954-06-11 1959-03-18 Villamosipari Koezponti Kutato Apparatus for testing a characteristic of ferromagnetic materials
US2933677A (en) * 1955-08-26 1960-04-19 Unit Process Assemblies Probe for a thickness testing gage
GB840112A (en) * 1955-10-28 1960-07-06 Revo Electric Company Ltd Apparatus for measuring the thickness of ferromagnetic sheets or strips
GB1061895A (en) * 1964-03-02 1967-03-15 Yawata Iron & Steel Co Method of measuring the thicknesses of magnetic metal plates
GB1097179A (en) * 1965-07-21 1967-12-29 Teledictor Ltd Apparatus for measuring the thickness of sheets of ferromagnetic materials
NL6812449A (fr) * 1968-08-31 1970-03-03
US3611119A (en) * 1969-05-19 1971-10-05 Combustion Eng Method for measuring the ferrite content of a material
DE2107076C3 (de) * 1971-02-15 1975-01-30 Elektro-Physik Hans Nix & Dr.-Ing. E. Steingroever Kg, 5000 Koeln Magnetischer Schicht-Dickenmesser
DE2345848C3 (de) * 1973-09-12 1986-06-19 ELEKTRO-PHYSIK Hans Nix & Dr.-Ing. E. Steingroever GmbH & Co KG, 5000 Köln Elektromagnetischer Schichtdickenmesser
DE2410047A1 (de) * 1974-03-02 1975-09-11 Nix Steingroeve Elektro Physik Elektromagnetischer schichtdickenmesser mit umschaltbarer mess-frequenz
JPS5181644A (ja) * 1975-01-16 1976-07-17 Mitsubishi Heavy Ind Ltd Jiseisokenshutsuki

Also Published As

Publication number Publication date
GB2122752B (en) 1986-12-03
US4553095A (en) 1985-11-12
FR2528568A1 (fr) 1983-12-16
GB8314173D0 (en) 1983-06-29
GB2122752A (en) 1984-01-18
JPS58221102A (ja) 1983-12-22

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Legal Events

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CL Concession to grant licences
ST Notification of lapse