FI973993A - Method and apparatus for measuring ferromagnetic objects - Google Patents

Method and apparatus for measuring ferromagnetic objects Download PDF

Info

Publication number
FI973993A
FI973993A FI973993A FI973993A FI973993A FI 973993 A FI973993 A FI 973993A FI 973993 A FI973993 A FI 973993A FI 973993 A FI973993 A FI 973993A FI 973993 A FI973993 A FI 973993A
Authority
FI
Finland
Prior art keywords
ferromagnetic objects
measuring ferromagnetic
measuring
objects
ferromagnetic
Prior art date
Application number
FI973993A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI973993A0 (en
Inventor
Goeran Larsson
Jan Sundstroem
Original Assignee
Goeran Larsson
Jan Sundstroem
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 Goeran Larsson, Jan Sundstroem filed Critical Goeran Larsson
Publication of FI973993A0 publication Critical patent/FI973993A0/en
Publication of FI973993A publication Critical patent/FI973993A/en

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

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)
FI973993A 1995-04-24 1997-10-17 Method and apparatus for measuring ferromagnetic objects FI973993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1995/000444 WO1996034279A1 (en) 1995-04-24 1995-04-24 Method and device for measuring ferro-magnetic objects

Publications (2)

Publication Number Publication Date
FI973993A0 FI973993A0 (en) 1997-10-17
FI973993A true FI973993A (en) 1997-12-17

Family

ID=20397123

Family Applications (1)

Application Number Title Priority Date Filing Date
FI973993A FI973993A (en) 1995-04-24 1997-10-17 Method and apparatus for measuring ferromagnetic objects

Country Status (4)

Country Link
EP (1) EP0823053A1 (en)
AU (1) AU2685595A (en)
FI (1) FI973993A (en)
WO (1) WO1996034279A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19829999C1 (en) * 1998-06-24 2000-01-13 Mannesmann Ag Method and measuring device for detecting the correct insertion depth in a pipe press connection
AUPP813499A0 (en) 1999-01-13 1999-02-04 Rock Solid Research Pty. Ltd. A subsurface pipeline inspection 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
GB2404029B (en) * 2002-04-24 2005-11-09 Networksuk Ltd Defect detection device
GB0209333D0 (en) * 2002-04-24 2002-06-05 Electrical Testing Ltd Defect detection device
JP6213859B2 (en) * 2013-03-29 2017-10-18 日本ファブテック株式会社 Estimating the average remaining thickness by estimating the average corrosion depth of the ground corrosion damage zone

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0652258B2 (en) * 1987-11-09 1994-07-06 日本核燃料開発株式会社 Overcurrent defect inspection method and device
US4855677A (en) * 1988-03-11 1989-08-08 Westinghouse Electric Corp. Multiple coil eddy current probe and method of flaw detection
GB8807301D0 (en) * 1988-03-26 1988-04-27 Philpot Electronics Ltd Detector
GB8826817D0 (en) * 1988-11-16 1988-12-21 Nat Nuclear Corp Ltd Eddy current non-destructive examination

Also Published As

Publication number Publication date
FI973993A0 (en) 1997-10-17
EP0823053A1 (en) 1998-02-11
WO1996034279A1 (en) 1996-10-31
AU2685595A (en) 1996-11-18

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