SE411150B - Sett och anordning for att detektera och meta felaktigheter i en metallstang - Google Patents

Sett och anordning for att detektera och meta felaktigheter i en metallstang

Info

Publication number
SE411150B
SE411150B SE7415777A SE7415777A SE411150B SE 411150 B SE411150 B SE 411150B SE 7415777 A SE7415777 A SE 7415777A SE 7415777 A SE7415777 A SE 7415777A SE 411150 B SE411150 B SE 411150B
Authority
SE
Sweden
Prior art keywords
kit
methods
detection devices
device kit
detection
Prior art date
Application number
SE7415777A
Other languages
English (en)
Swedish (sv)
Other versions
SE7415777L (ja
Inventor
Jr L K Bigelow
Original Assignee
Kennecott Copper 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 Kennecott Copper Corp filed Critical Kennecott Copper Corp
Publication of SE7415777L publication Critical patent/SE7415777L/xx
Publication of SE411150B publication Critical patent/SE411150B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • 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
    • G01N27/9006—Details, e.g. in the structure or functioning of sensors
SE7415777A 1974-01-07 1974-12-16 Sett och anordning for att detektera och meta felaktigheter i en metallstang SE411150B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US431220A US3881151A (en) 1974-01-07 1974-01-07 Eddy current flaw detector comprising passing the test piece through an invarient magnetic field gradient and positioning sensor in the gradient

Publications (2)

Publication Number Publication Date
SE7415777L SE7415777L (ja) 1975-07-08
SE411150B true SE411150B (sv) 1979-12-03

Family

ID=23711000

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7415777A SE411150B (sv) 1974-01-07 1974-12-16 Sett och anordning for att detektera och meta felaktigheter i en metallstang

Country Status (8)

Country Link
US (1) US3881151A (ja)
JP (1) JPS5748738B2 (ja)
BE (1) BE824114A (ja)
CA (1) CA1011816A (ja)
DE (1) DE2500406A1 (ja)
FR (1) FR2303288A1 (ja)
GB (1) GB1476773A (ja)
SE (1) SE411150B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2817574B2 (de) * 1978-04-21 1980-04-30 Kraftwerk Union Ag, 4330 Muelheim Wirbelstrompriifsonde zur Untersuchung metallischer Werkstoffe auf Materialtrennungen und fehlerhafte Einschlüsse
US4926928A (en) * 1985-07-29 1990-05-22 Essex Group, Inc. Protective device of restraining rod produced in continuous casting and rolling process
ZA871964B (ja) * 1986-03-25 1987-09-07
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
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
GB2250097A (en) * 1990-11-07 1992-05-27 Anglo Amer Corp South Africa Testing wire rope for cross section variations and other flaws
DE4342602A1 (de) * 1993-12-14 1995-06-22 Busch Dieter & Co Prueftech Elektronisches Bauelement, inbesondere Spuleneinheit
US5986452A (en) * 1995-07-31 1999-11-16 Battelle Memorial Institute Apparatus and method for detecting flaws in conductive material
US6014024A (en) * 1995-07-31 2000-01-11 Battelle Memorial Institute Apparatus and method for detecting and/or measuring flaws in conductive material
US5777469A (en) * 1995-07-31 1998-07-07 Battelle Memorial Institute Method and apparatus for detecting flaws in conductive material
US8717012B2 (en) * 2011-04-28 2014-05-06 The United States of America as respresented by the United States National Aeronautics and Space Administration Eddy current probe for surface and sub-surface inspection
GB201416870D0 (en) * 2014-09-24 2014-11-05 Rota Eng Ltd Magnetic Field Generator And Position Sensing Assembly
RU2610931C1 (ru) * 2015-11-10 2017-02-17 Общество с ограниченной ответственностью "АльфаСервис" Способ вихретокового контроля электропроводящих объектов и устройство для его реализации
WO2019087460A1 (ja) * 2017-10-30 2019-05-09 新日鐵住金株式会社 長尺材の磁気特性変化部検出装置及び方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273055A (en) * 1965-10-18 1966-09-13 Api Instr Company Constant impedance dual circuits for sample material flaw detection

Also Published As

Publication number Publication date
GB1476773A (en) 1977-06-16
JPS5748738B2 (ja) 1982-10-18
CA1011816A (en) 1977-06-07
BE824114A (fr) 1975-07-07
FR2303288A1 (fr) 1976-10-01
JPS50102381A (ja) 1975-08-13
US3881151A (en) 1975-04-29
FR2303288B1 (ja) 1978-06-23
DE2500406A1 (de) 1975-08-07
SE7415777L (ja) 1975-07-08

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