FR2396293A1 - Procede et appareil de controle magnetique de la surface interne d'un tuyau - Google Patents

Procede et appareil de controle magnetique de la surface interne d'un tuyau

Info

Publication number
FR2396293A1
FR2396293A1 FR7720400A FR7720400A FR2396293A1 FR 2396293 A1 FR2396293 A1 FR 2396293A1 FR 7720400 A FR7720400 A FR 7720400A FR 7720400 A FR7720400 A FR 7720400A FR 2396293 A1 FR2396293 A1 FR 2396293A1
Authority
FR
France
Prior art keywords
magnetic field
wall
testing system
steel tube
tube internal
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
FR7720400A
Other languages
English (en)
Other versions
FR2396293B1 (fr
Inventor
Yasuyuki Furukawa
Yoshihisa Fujii
Hitoshi Tanaka
Tetsuya Hirota
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to FR7720400A priority Critical patent/FR2396293A1/fr
Publication of FR2396293A1 publication Critical patent/FR2396293A1/fr
Application granted granted Critical
Publication of FR2396293B1 publication Critical patent/FR2396293B1/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
    • G01N27/9013—Arrangements for scanning
    • 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
    • G01N27/9013—Arrangements for scanning
    • G01N27/902—Arrangements for scanning by moving the 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
    • 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
    • G01N27/9093—Arrangements for supporting the sensor; Combinations of eddy-current sensors and auxiliary arrangements for marking or for rejecting

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)

Abstract

a. Procédé de contrôle magnétique et appareil pour sa mise en oeuvre. b. Il consiste à introduire un dispositif de détection, comportant un élément sensible au magnétisme, dans un tuyau tournant, le long de la surface interne de celui-ci; et à déplacer un dispositif d'excitation, comportant des aimants d'excitation, le long de la surface externe du tuyau, le dispositif de détection et le dispositif d'excitation se déplaçant ensemble en synchronisme le long dudit tuyau. c. Application : contrôle de la fabrication de tuyaux en acier.
FR7720400A 1977-07-01 1977-07-01 Procede et appareil de controle magnetique de la surface interne d'un tuyau Granted FR2396293A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7720400A FR2396293A1 (fr) 1977-07-01 1977-07-01 Procede et appareil de controle magnetique de la surface interne d'un tuyau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7720400A FR2396293A1 (fr) 1977-07-01 1977-07-01 Procede et appareil de controle magnetique de la surface interne d'un tuyau

Publications (2)

Publication Number Publication Date
FR2396293A1 true FR2396293A1 (fr) 1979-01-26
FR2396293B1 FR2396293B1 (fr) 1983-11-25

Family

ID=9192900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7720400A Granted FR2396293A1 (fr) 1977-07-01 1977-07-01 Procede et appareil de controle magnetique de la surface interne d'un tuyau

Country Status (1)

Country Link
FR (1) FR2396293A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012114049A1 (fr) * 2011-02-25 2012-08-30 Sra Savac Dispositif d'inspection d'un générateur de vapeur
EP2795247A1 (fr) * 2011-12-21 2014-10-29 National Oilwell Varco, L.P. Système et procédé pour mesurer un tuyau

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563254A (en) * 1948-05-10 1951-08-07 Hydril Corp Thickness indicator
US3209243A (en) * 1961-09-21 1965-09-28 American Mach & Foundry Magnetic flaw detection devices
US3535623A (en) * 1967-05-09 1970-10-20 American Mach & Foundry Method and apparatus for inspecting a tubular member for inside and outside anomalies utilizing magnetic field detector means positioned on both the inside and outside surfaces
US3693075A (en) * 1969-11-15 1972-09-19 Forster F M O Eddy current system for testing tubes for defects,eccentricity,and wall thickness
FR2327540A1 (fr) * 1975-10-10 1977-05-06 Forster F M O Dispositif pour controler les cordons de soudure transversaux d'un tube d'acier de gros calibre
FR2364451A1 (fr) * 1976-09-10 1978-04-07 Mannesmann Ag Procede de controle continu et non destructif de tubes soudes a joint longitudinal ou helicoidal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563254A (en) * 1948-05-10 1951-08-07 Hydril Corp Thickness indicator
US3209243A (en) * 1961-09-21 1965-09-28 American Mach & Foundry Magnetic flaw detection devices
US3535623A (en) * 1967-05-09 1970-10-20 American Mach & Foundry Method and apparatus for inspecting a tubular member for inside and outside anomalies utilizing magnetic field detector means positioned on both the inside and outside surfaces
US3693075A (en) * 1969-11-15 1972-09-19 Forster F M O Eddy current system for testing tubes for defects,eccentricity,and wall thickness
FR2327540A1 (fr) * 1975-10-10 1977-05-06 Forster F M O Dispositif pour controler les cordons de soudure transversaux d'un tube d'acier de gros calibre
FR2364451A1 (fr) * 1976-09-10 1978-04-07 Mannesmann Ag Procede de controle continu et non destructif de tubes soudes a joint longitudinal ou helicoidal

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012114049A1 (fr) * 2011-02-25 2012-08-30 Sra Savac Dispositif d'inspection d'un générateur de vapeur
FR2972071A1 (fr) * 2011-02-25 2012-08-31 Sra Savac Dispositif d'inspection d'un generateur de vapeur
CN103415891A (zh) * 2011-02-25 2013-11-27 思维克 用于检查蒸汽发生器的设备
CN103415891B (zh) * 2011-02-25 2016-06-01 思维克 用于检查蒸汽发生器的设备
EP2795247A1 (fr) * 2011-12-21 2014-10-29 National Oilwell Varco, L.P. Système et procédé pour mesurer un tuyau
EP2795247B1 (fr) * 2011-12-21 2021-05-19 National Oilwell Varco, L.P. Système et procédé pour mesurer un tuyau

Also Published As

Publication number Publication date
FR2396293B1 (fr) 1983-11-25

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Legal Events

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