FR2362393A1 - Procede et appareil de determination continue des caracteristiques magnetiques d'une bande de matiere en mouvement - Google Patents

Procede et appareil de determination continue des caracteristiques magnetiques d'une bande de matiere en mouvement

Info

Publication number
FR2362393A1
FR2362393A1 FR7725165A FR7725165A FR2362393A1 FR 2362393 A1 FR2362393 A1 FR 2362393A1 FR 7725165 A FR7725165 A FR 7725165A FR 7725165 A FR7725165 A FR 7725165A FR 2362393 A1 FR2362393 A1 FR 2362393A1
Authority
FR
France
Prior art keywords
coils
moving material
magnetic characteristics
band
magnetic
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
FR7725165A
Other languages
English (en)
Other versions
FR2362393B1 (fr
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.)
Sunbeam Oster Co Inc
Original Assignee
Allegheny Ludlum Industries Inc
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 Allegheny Ludlum Industries Inc filed Critical Allegheny Ludlum Industries Inc
Publication of FR2362393A1 publication Critical patent/FR2362393A1/fr
Application granted granted Critical
Publication of FR2362393B1 publication Critical patent/FR2362393B1/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
    • G01N27/904—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 with two or more sensors
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49972—Method of mechanical manufacture with separating, localizing, or eliminating of as-cast defects from a metal casting [e.g., anti-pipe]
    • Y10T29/49975—Removing defects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5136—Separate tool stations for selective or successive operation on work
    • Y10T29/5137—Separate tool stations for selective or successive operation on work including assembling or disassembling station
    • Y10T29/5139—Separate tool stations for selective or successive operation on work including assembling or disassembling station and means to sever work prior to disassembling

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)
  • Measuring Magnetic Variables (AREA)

Abstract

L'invention concerne un procédé et un appareil de contrôle continu destinés à déterminer les caractéristiques magnétiques d'une bande de matière en mouvement. Un flux est développé dans la matière en mouvement par une bobine, et deux bobines de détection délivrent des tensions différentes en réponse au flux développé dans la même région de la matière. Les circuits électroniques connectés aux deux bobines délivrent une tension de sortie qui représente le rapport entre la tension produite par l'une des bobines et la différence de tensions des deux bobines. Ce rapport représente la qualité magnétique de la matière contrôlée. L'invention s'applique notamment au contrôle des bobines de bande d'acier magnétique, pendant leur fabrication et après le recuit.
FR7725165A 1976-08-17 1977-08-17 Procede et appareil de determination continue des caracteristiques magnetiques d'une bande de matiere en mouvement Granted FR2362393A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/715,098 US4079312A (en) 1976-08-17 1976-08-17 Continuous testing method and apparatus for determining the magnetic characteristics of a strip of moving material, including flux inducing and pick-up device therefor

Publications (2)

Publication Number Publication Date
FR2362393A1 true FR2362393A1 (fr) 1978-03-17
FR2362393B1 FR2362393B1 (fr) 1983-09-02

Family

ID=24872666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7725165A Granted FR2362393A1 (fr) 1976-08-17 1977-08-17 Procede et appareil de determination continue des caracteristiques magnetiques d'une bande de matiere en mouvement

Country Status (21)

Country Link
US (1) US4079312A (fr)
JP (1) JPS5323672A (fr)
AR (1) AR227611A1 (fr)
AU (1) AU504764B2 (fr)
BE (1) BE857868A (fr)
BR (1) BR7705374A (fr)
CA (1) CA1095142A (fr)
CS (1) CS536577A2 (fr)
DE (2) DE2760053C2 (fr)
ES (4) ES461667A1 (fr)
FR (1) FR2362393A1 (fr)
GB (1) GB1590682A (fr)
HU (1) HU182921B (fr)
IN (1) IN148892B (fr)
IT (1) IT1079825B (fr)
MX (1) MX147415A (fr)
PL (1) PL117616B1 (fr)
SE (1) SE425333B (fr)
SU (1) SU847947A3 (fr)
YU (2) YU199377A (fr)
ZA (1) ZA774644B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535056A1 (fr) * 1982-10-22 1984-04-27 Ca Atomic Energy Ltd Sonde a courants de foucault a discrimination defaut-bruit

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5526636B2 (fr) * 1972-07-25 1980-07-15
US4383218A (en) * 1978-12-29 1983-05-10 The Boeing Company Eddy current flow detection including compensation for system variables such as lift-off
FR2502337A1 (fr) * 1981-03-23 1982-09-24 Commissariat Energie Atomique Procede de controle non destructif par courants de foucault avec correction des effets d'entrefer et dispositif de mise en oeuvre
DE3152921C2 (en) * 1981-07-28 1988-12-01 Inst Prikladnoi Fiziki Akademi Method and device for determining the mechanical properties of a ferromagnetic specimen
US4555665A (en) * 1982-08-04 1985-11-26 Pa Incorporated Magnetic flux method for measuring tubular wall thickness
US4578642A (en) * 1984-04-11 1986-03-25 Pa Incorporated Method and apparatus for measuring velocity of ferromagnetic tubing
US4808924A (en) * 1987-02-19 1989-02-28 Atomic Energy Of Canada Limited Circumferentially compensating eddy current probe with alternately polarized transmit coils and receiver coils
US4808927A (en) * 1987-02-19 1989-02-28 Atomic Energy Of Canada Limited Circumferentially compensating eddy current probe with alternately polarized receiver coil
US5432444A (en) * 1990-10-23 1995-07-11 Kaisei Engineer Co., Ltd. Inspection device having coaxial induction and exciting coils forming a unitary coil unit
EP0543648A1 (fr) * 1991-11-21 1993-05-26 Kaisei Engineer Co., Ltd. Appareil et méthode pour l'inspection à l'induction électromagnétique
US5327083A (en) * 1992-03-19 1994-07-05 Allegheny Ludlum Corporation Method and apparatus using magnetic flux scanning to test grain structure of magnetic sheet material
DE102004006680B3 (de) * 2004-02-09 2006-01-12 Balluff Gmbh Sensorvorrichtung zur Prüfung von Oberflächen
WO2006113504A2 (fr) * 2005-04-14 2006-10-26 Henry Moncrieff O'connor Sondes de test electromagnetiques a champ prochetm et a champ mixte : champ prochetm - champ eloigne, utiles pour inspecter des tuyaux et des tubes ferromagnetiques tels que ceux utilises dans les echangeurs de chaleur
FR2892521B1 (fr) * 2005-10-24 2008-01-04 Commissariat Energie Atomique Systeme de mesure de permeabilite magnetique et echantillon de reference utilise dans celui-ci
CN107024669B (zh) * 2017-03-22 2023-09-08 金华职业技术学院 一种测量样品条带在焦耳热处理过程中磁性特征的装置
CN113686949A (zh) * 2021-08-20 2021-11-23 信维通信（江苏）有限公司 一种纳米晶快速检测装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB403409A (en) * 1931-04-20 1933-12-18 Ferrous Magnetic Corp Improved magnetic induction testing device and method of balancing the same
US2102451A (en) * 1936-04-23 1937-12-14 Magnetic Analysis Corp Magnetic analysis
US2555853A (en) * 1945-04-16 1951-06-05 Emmett M Irwin Magnetic testing apparatus and method
US2810880A (en) * 1954-03-25 1957-10-22 Velio S Buccicone Apparatus for detecting magnetic objects or the like
US2927266A (en) * 1956-12-14 1960-03-01 Electro Seal Corp Test circuit for magnetic core inductive reactors
US3130363A (en) 1960-06-08 1964-04-21 United States Steel Corp Apparatus for determining the magnetic condition of steel strip during continuous annealing
US3281678A (en) 1962-04-26 1966-10-25 United States Steel Corp Magnetic core-loss tester for continuous strip
US3421925A (en) 1965-07-30 1969-01-14 Westinghouse Electric Corp Method for producing improved metallic strip material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535056A1 (fr) * 1982-10-22 1984-04-27 Ca Atomic Energy Ltd Sonde a courants de foucault a discrimination defaut-bruit

Also Published As

Publication number Publication date
HU182921B (en) 1984-03-28
US4079312A (en) 1978-03-14
CA1095142A (fr) 1981-02-03
AU2761877A (en) 1979-02-15
ES472124A1 (es) 1979-02-16
IN148892B (fr) 1981-07-11
DE2760053A1 (fr) 1982-09-23
ES461667A1 (es) 1978-12-01
AU504764B2 (en) 1979-10-25
IT1079825B (it) 1985-05-13
PL200322A1 (pl) 1978-04-24
JPS5323672A (en) 1978-03-04
MX147415A (es) 1982-12-02
YU165682A (en) 1985-03-20
FR2362393B1 (fr) 1983-09-02
AR227611A1 (es) 1982-11-30
ES472125A1 (es) 1979-02-16
YU199377A (en) 1982-10-31
GB1590682A (en) 1981-06-03
BE857868A (fr) 1978-02-17
SE7709242L (sv) 1978-02-18
PL117616B1 (en) 1981-08-31
ES472123A1 (es) 1979-02-16
SE425333B (sv) 1982-09-20
DE2735214A1 (de) 1978-02-23
BR7705374A (pt) 1978-07-04
SU847947A3 (ru) 1981-07-15
DE2760053C2 (de) 1984-01-26
CS536577A2 (en) 1985-05-15
DE2735214C2 (de) 1982-12-30
ZA774644B (en) 1978-06-28

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse