FI853491L - Foerfarande och virvelstroemtestsond foer undersoekning av skruvar. - Google Patents

Foerfarande och virvelstroemtestsond foer undersoekning av skruvar.

Info

Publication number
FI853491L
FI853491L FI853491A FI853491A FI853491L FI 853491 L FI853491 L FI 853491L FI 853491 A FI853491 A FI 853491A FI 853491 A FI853491 A FI 853491A FI 853491 L FI853491 L FI 853491L
Authority
FI
Finland
Prior art keywords
virvelstroemtestsond
undersoekning
skruvar
foer
foerfarande och
Prior art date
Application number
FI853491A
Other languages
English (en)
Other versions
FI853491A0 (fi
Inventor
Werner Meier
Edgar Friedrich
Erich Modlich
Original Assignee
Kraftwerk Union Ag
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 Kraftwerk Union Ag filed Critical Kraftwerk Union Ag
Publication of FI853491A0 publication Critical patent/FI853491A0/fi
Publication of FI853491L publication Critical patent/FI853491L/fi

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
    • G01N27/9006—Details, e.g. in the structure or functioning of 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)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Leads Or Probes (AREA)
FI853491A 1984-11-19 1985-09-12 Foerfarande och virvelstroemtestsond foer undersoekning av skruvar. FI853491L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3442256 1984-11-19

Publications (2)

Publication Number Publication Date
FI853491A0 FI853491A0 (fi) 1985-09-12
FI853491L true FI853491L (fi) 1986-05-20

Family

ID=6250676

Family Applications (1)

Application Number Title Priority Date Filing Date
FI853491A FI853491L (fi) 1984-11-19 1985-09-12 Foerfarande och virvelstroemtestsond foer undersoekning av skruvar.

Country Status (7)

Country Link
US (1) US4788499A (fi)
EP (1) EP0185187B1 (fi)
JP (1) JPS61160052A (fi)
DE (1) DE3564865D1 (fi)
FI (1) FI853491L (fi)
SU (1) SU1466662A3 (fi)
UA (1) UA6088A1 (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3842318A1 (de) * 1988-12-16 1990-06-21 Fraunhofer Ges Forschung Vorrichtung zur beruehrungslosen pruefung von innengewinden an werkstuecken aus einem elektrisch leitenden werkstoff
JP2592690B2 (ja) * 1989-11-09 1997-03-19 東京瓦斯株式会社 管内面渦流探傷装置
US5065635A (en) * 1990-09-14 1991-11-19 Westinghouse Electric Corp. Apparatus and method for inspecting an item having grooves machined therein
US5345514A (en) * 1991-09-16 1994-09-06 General Electric Company Method for inspecting components having complex geometric shapes
JP2579413Y2 (ja) * 1992-01-21 1998-08-27 ティーディーケイ株式会社 磁気的検知装置
US5698977A (en) * 1993-10-12 1997-12-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Eddy current method for fatigue testing
JP2857988B2 (ja) * 1995-06-07 1999-02-17 哲雄 庄子 導電性螺旋検体の非破壊的劣化検査方法及び装置
US6703831B1 (en) 1999-11-12 2004-03-09 Quantech, Inc. Dual eddy current probe for detecting geometrical differences especially as related to threaded apertures and studs
CN101498686B (zh) * 2009-02-25 2011-08-03 中国石油天然气股份有限公司 一种钻具螺纹磁性检测仪
CN101893603A (zh) * 2010-08-06 2010-11-24 中国石油集团川庆钻探工程有限公司长庆钻井总公司 钻具螺纹装置及裂纹检测方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519367A (en) * 1945-07-09 1950-08-22 Gunn Ross Method of and apparatus for detecting defects in objects
US2958818A (en) * 1957-05-01 1960-11-01 Sperry Prod Inc Rail flaw detector mechanism
US3036266A (en) * 1958-03-28 1962-05-22 Westinghouse Canada Ltd Electromechanical transducer
US3495166A (en) * 1967-04-10 1970-02-10 Magnaflux Corp Eddy current crack detector systems using crossed coils
US3939404A (en) * 1974-07-10 1976-02-17 Dominion Foundries And Steel, Limited Method of testing for and preventing the possibility of cracking, spalling or like defects in rolling mill rolls by determining the rate of change in hardness
SU748235A1 (ru) * 1978-04-19 1980-07-15 Куйбышевский Ордена Трудового Красного Знамени Авиационный Институт Им. Академика С.П.Королева Вихретоковый преобразователь
DE2817574B2 (de) * 1978-04-21 1980-04-30 Kraftwerk Union Ag, 4330 Muelheim Wirbelstrompriifsonde zur Untersuchung metallischer Werkstoffe auf Materialtrennungen und fehlerhafte Einschlüsse
CA1194117A (en) * 1981-10-09 1985-09-24 Richard T. Dewalle Method of making eddy-current probes and probes made by the method
JPH1148A (ja) * 1997-06-11 1999-01-06 Mitsubishi Agricult Mach Co Ltd 接ぎ木装置の穂部クランプ装置

Also Published As

Publication number Publication date
SU1466662A3 (ru) 1989-03-15
EP0185187A1 (de) 1986-06-25
JPS61160052A (ja) 1986-07-19
EP0185187B1 (de) 1988-09-07
US4788499A (en) 1988-11-29
DE3564865D1 (en) 1988-10-13
UA6088A1 (uk) 1994-12-29
FI853491A0 (fi) 1985-09-12

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT