SE347356B - - Google Patents

Info

Publication number
SE347356B
SE347356B SE03830/70A SE383070A SE347356B SE 347356 B SE347356 B SE 347356B SE 03830/70 A SE03830/70 A SE 03830/70A SE 383070 A SE383070 A SE 383070A SE 347356 B SE347356 B SE 347356B
Authority
SE
Sweden
Application number
SE03830/70A
Inventor
K Bergstrand
Original Assignee
Essem Metotest Ab
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 Essem Metotest Ab filed Critical Essem Metotest Ab
Priority to SE03830/70A priority Critical patent/SE347356B/xx
Priority to GB230471A priority patent/GB1303783A/en
Priority to US107726A priority patent/US3694740A/en
Priority to DE19712103076 priority patent/DE2103076A1/de
Priority to CA104379A priority patent/CA930024A/en
Priority to FR7104158A priority patent/FR2083900A5/fr
Publication of SE347356B publication Critical patent/SE347356B/xx

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
    • 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
    • G01N27/904—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
    • 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)
SE03830/70A 1970-03-20 1970-03-20 SE347356B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE03830/70A SE347356B (fi) 1970-03-20 1970-03-20
GB230471A GB1303783A (fi) 1970-03-20 1971-01-18
US107726A US3694740A (en) 1970-03-20 1971-01-19 System for the magnetic non-destructive testing of materials for long and short defects
DE19712103076 DE2103076A1 (de) 1970-03-20 1971-01-23 Anordnung zur elektroinduktiven Qualitätsuntersuchung
CA104379A CA930024A (en) 1970-03-20 1971-02-03 System for the non-destructive testing of materials
FR7104158A FR2083900A5 (fi) 1970-03-20 1971-02-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE03830/70A SE347356B (fi) 1970-03-20 1970-03-20

Publications (1)

Publication Number Publication Date
SE347356B true SE347356B (fi) 1972-07-31

Family

ID=20262957

Family Applications (1)

Application Number Title Priority Date Filing Date
SE03830/70A SE347356B (fi) 1970-03-20 1970-03-20

Country Status (6)

Country Link
US (1) US3694740A (fi)
CA (1) CA930024A (fi)
DE (1) DE2103076A1 (fi)
FR (1) FR2083900A5 (fi)
GB (1) GB1303783A (fi)
SE (1) SE347356B (fi)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE368871B (fi) * 1971-07-15 1974-07-22 Asea Ab
DE2915535A1 (de) * 1978-04-28 1979-11-08 N Proizv Ob Energia Verfahren und einrichtung zur zerstoerungsfreien pruefung von rohrleitungen
DE3275315D1 (en) * 1981-06-10 1987-03-05 Hitachi Ltd Electromagnetic-acoustic measuring apparatus
US4481471A (en) * 1981-08-14 1984-11-06 Westinghouse Electric Corp. Method and apparatus for the detection of anomalies in rotating members
US4492115A (en) * 1984-04-11 1985-01-08 Pa Incorporated Method and apparatus for measuring defects in ferromagnetic tubing
US4717873A (en) * 1985-11-12 1988-01-05 Westinghouse Electric Corp. Magnetic displacement transducer system having a magnet that is movable in a tube whose interior is exposed to a fluid and having at least one magnetometer outside the tube
ZA871964B (fi) * 1986-03-25 1987-09-07
DE3631571A1 (de) * 1986-09-17 1988-04-07 Tiede Gmbh & Co Risspruefanlagen Vorrichtung mit einem sensor zur messung des pruefstromes bei magnetelektrischen risspruefvorrichtungen
US4808927A (en) * 1987-02-19 1989-02-28 Atomic Energy Of Canada Limited Circumferentially compensating eddy current probe with alternately polarized receiver coil
US4855676A (en) * 1987-05-06 1989-08-08 Atomic Energy Of Canada Limited Ferromagnetic eddy current probe having transmit and receive coil assemblies
US4929897A (en) * 1987-11-23 1990-05-29 Crucible Societe Anonyme Method and apparatus for detecting cross sectional area variations in a elongate object by measuring radial magnetic flux variations using spaced-apart coils
US5036277A (en) * 1987-11-23 1991-07-30 Crucible Societe Anonyme Method of and apparatus for detecting cross sectional area variations in an elongate object by the non-inductive measurement of radial flux variations
US4931731A (en) * 1988-01-05 1990-06-05 Jenks William C Magnetic particle inspection apparatus with enhanced uniformity of magnetization
GB8826817D0 (en) * 1988-11-16 1988-12-21 Nat Nuclear Corp Ltd Eddy current non-destructive examination
USH879H (en) * 1989-06-30 1991-01-01 The United States Of America As Represented By The Secretary Of The Navy Method and device for inspecting circumferentially conducting materials
DE69015959T3 (de) * 1989-10-19 2000-05-31 Tuboscope Vetco International Inc., Houston Methode und Gerät zur Fehlerdarstellung in Rohren.
US5130653A (en) * 1990-08-17 1992-07-14 Coors Brewing Company Apparatus for detecting surface flaws in cylindrical articles
DE4129153A1 (de) * 1991-09-02 1992-06-04 Gemeinschaftskernkraftwerk Nec Verfahren zur ueberpruefung der waermetauscherrohre in einem waermetauscher
US5252918A (en) * 1991-12-20 1993-10-12 Halliburton Company Apparatus and method for electromagnetically detecting the passing of a plug released into a well by a bridge circuit
EP0624249B1 (en) * 1992-01-31 1999-03-31 Northrop Grumman Corporation Arrayed eddy current probe system
US5426362A (en) * 1992-09-30 1995-06-20 Ninnis; Ronald M. Damage detection apparatus and method for a conveyor belt having magnetically permeable members
US5323856A (en) * 1993-03-31 1994-06-28 Halliburton Company Detecting system and method for oil or gas well
US5926020A (en) * 1994-11-16 1999-07-20 Samson; Rock Eddy current hybrid probe with movable magnetic field altering member
GB9423146D0 (en) * 1994-11-16 1995-01-04 Samson Rock Eddy current hybrid probe
GB0028787D0 (en) * 2000-11-27 2001-01-10 Dinsley Devices Ltd Apparatus for the detection and estimation of corrosion damage in the root section of metal lighting columns and similar columns
GB0112983D0 (en) * 2001-05-30 2001-07-18 Advanced Eng Solutions Ltd Pipe condition detecting apparatus
CN100365414C (zh) * 2003-08-18 2008-01-30 林俊明 高速金属管、棒、线材在线探伤方法及其装置
WO2005057227A1 (en) * 2003-12-12 2005-06-23 B.D.H. Industries Inc. System and method to forecast the electrical conductivity of anodes for aluminum production before baking
US20060185445A1 (en) * 2005-02-24 2006-08-24 The Boeing Company Multi-parameter shaft analyzer (MPSA)
US20080106260A1 (en) * 2006-11-02 2008-05-08 Rogers John P Magnetic flux leakage system and method
US8203336B2 (en) * 2009-09-13 2012-06-19 Atomic Energy Council Institute Of Nuclear Energy Research Eddy current probes having magnetic gap
US9784715B2 (en) * 2013-04-19 2017-10-10 Zetec, Inc. Eddy current inspection probe based on magnetoresistive sensors
JP6658864B2 (ja) 2016-03-07 2020-03-04 株式会社リコー 素子、セル及び発電装置
CN106939833B (zh) * 2016-12-31 2019-05-14 南京航空航天大学 一种内燃波转子数据采集装置及方法
DE102017101443A1 (de) * 2017-01-25 2018-07-26 Mavis Cable Service GmbH Inspektionseinheit und Verfahren zur Inspektion eines Seils
US11561200B1 (en) * 2017-05-02 2023-01-24 United States Of America, As Represented By The Secretary Of The Navy Eddy current detector
CN108120765A (zh) * 2017-12-28 2018-06-05 爱德森（厦门）电子有限公司 一种无耦合器的旋转涡流检测装置及方法
EP3730934B1 (en) * 2019-04-25 2023-09-13 Nov Downhole Eurasia Limited Wellbore rod inspection system and method

Also Published As

Publication number Publication date
US3694740A (en) 1972-09-26
DE2103076A1 (de) 1971-09-30
GB1303783A (fi) 1973-01-17
CA930024A (en) 1973-07-10
FR2083900A5 (fi) 1971-12-17

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