JPS54107793A - Eddy current flaw detector for hot billet - Google Patents

Eddy current flaw detector for hot billet

Info

Publication number
JPS54107793A
JPS54107793A JP1413978A JP1413978A JPS54107793A JP S54107793 A JPS54107793 A JP S54107793A JP 1413978 A JP1413978 A JP 1413978A JP 1413978 A JP1413978 A JP 1413978A JP S54107793 A JPS54107793 A JP S54107793A
Authority
JP
Japan
Prior art keywords
eddy current
flaw detector
current flaw
hot billet
billet
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
JP1413978A
Other languages
Japanese (ja)
Other versions
JPS5940265B2 (en
Inventor
Katsuhiko Shimada
Isamu Komine
Hisayuki Aoi
Masayoshi Yamada
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.)
JFE Engineering Corp
Eddio Corp
Original Assignee
Eddio Corp
Nippon Kokan 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 Eddio Corp, Nippon Kokan Ltd filed Critical Eddio Corp
Priority to JP53014139A priority Critical patent/JPS5940265B2/en
Priority to GB7904617A priority patent/GB2014317B/en
Priority to DE19792905399 priority patent/DE2905399A1/en
Priority to IT20161/79A priority patent/IT1111101B/en
Publication of JPS54107793A publication Critical patent/JPS54107793A/en
Publication of JPS5940265B2 publication Critical patent/JPS5940265B2/en
Expired 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
    • G01N27/9093—Arrangements for supporting the sensor; Combinations of eddy-current sensors and auxiliary arrangements for marking or for rejecting
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product

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)
JP53014139A 1978-02-13 1978-02-13 Thermal billet eddy current flaw detection equipment Expired JPS5940265B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP53014139A JPS5940265B2 (en) 1978-02-13 1978-02-13 Thermal billet eddy current flaw detection equipment
GB7904617A GB2014317B (en) 1978-02-13 1979-02-09 Suface defect detecting apparatus for round or cylindrical metallic material
DE19792905399 DE2905399A1 (en) 1978-02-13 1979-02-13 DEVICE AND DETERMINATION OF SURFACE DEFECTS ON METALLIC OBJECTS
IT20161/79A IT1111101B (en) 1978-02-13 1979-02-13 SURFACE DEFECT DETECTOR EQUIPMENT, ESPECIALLY FOR CIRCULAR EXTERNAL METALLIC MATERIALS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53014139A JPS5940265B2 (en) 1978-02-13 1978-02-13 Thermal billet eddy current flaw detection equipment

Publications (2)

Publication Number Publication Date
JPS54107793A true JPS54107793A (en) 1979-08-23
JPS5940265B2 JPS5940265B2 (en) 1984-09-28

Family

ID=11852806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53014139A Expired JPS5940265B2 (en) 1978-02-13 1978-02-13 Thermal billet eddy current flaw detection equipment

Country Status (4)

Country Link
JP (1) JPS5940265B2 (en)
DE (1) DE2905399A1 (en)
GB (1) GB2014317B (en)
IT (1) IT1111101B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599551A (en) * 1982-07-08 1984-01-18 Sumitomo Metal Ind Ltd Flaw detector
JPS63198863A (en) * 1987-02-13 1988-08-17 Nippon Steel Corp Eddy current flaw detecting device

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937865A1 (en) * 1979-09-19 1981-04-02 Kraftwerk Union AG, 4330 Mülheim Automatic measuring signal evaluation system for flaw detection - is typically for heat exchanger tubes and controls sampling by probe displacement
DE3034426A1 (en) * 1980-09-12 1982-03-25 Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft in Bonn, dieser vertreten durch den Präsidenten der Bundesanstalt für Materialprüfung (BAM), 1000 Berlin Pulse eddy current conducting material testing - using synchronised test head energising and signal processing circuit for non-destructive examination
DD160599A3 (en) * 1980-11-26 1983-11-16 Otto Grotewohl Boehlen Boehlen PART-AUTOMATED FUEL CLEANING MEASUREMENT METHOD
DE3266971D1 (en) * 1981-01-27 1985-11-28 British Steel Corp Improvements in or relating to non-destructive testing apparatus
DE3109437C2 (en) * 1981-03-12 1985-10-10 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen Arrangement for outputting fault location information
DE3132808C2 (en) * 1981-08-19 1984-01-26 Nukem Gmbh, 6450 Hanau "Device for the non-destructive testing of ferromagnetic bodies"
GB2149116B (en) * 1983-10-31 1987-03-25 Texaco Development Corp Method and apparatus for measuring wall thickness
GB8425870D0 (en) * 1984-10-12 1984-11-21 Cruickshank J S Servicing and inspection of pipes
US4644271A (en) * 1985-02-25 1987-02-17 Ltv Steel Company, Inc. Method and apparatus for examining a workpiece
SE456534B (en) * 1985-11-25 1988-10-10 Bengt Hjalmar Tornblom DEVICE FOR SEATING AND / OR CONTROL OF PROVOBJECT WITH AN OSCILLATING SENSOR
DE3937261C2 (en) * 1989-11-09 1996-04-11 Foerster Inst Dr Friedrich Rotating head for scanning metallic test material
DE4003330A1 (en) * 1990-02-05 1991-08-08 Foerster Inst Dr Friedrich Eddy current tester
US5175498A (en) * 1990-03-05 1992-12-29 General Electric Company Method and apparatus for making spatially correlated eddy current measurements
GB2255184B (en) * 1991-04-22 1995-08-16 Tokyo Gas Co Ltd Flaw detector for metal material
GB2281399B (en) * 1991-04-22 1995-08-16 Tokyo Gas Co Ltd Flaw detector for metal material
DE19850055C1 (en) * 1998-09-03 2000-05-11 Georgsmarienhuette Gmbh Device for the non-destructive testing of especially hot rod-shaped rolled material
EP0995507B1 (en) * 1998-09-03 2004-07-07 Georgsmarienhütte GmbH Device for non-destructive testing in particular of hot rod-shaped rolling stock
PT1105721E (en) * 1999-06-15 2007-04-30 Georgsmarienhuette Gmbh Rolling mill
DE202005003685U1 (en) 2005-03-08 2005-10-13 Zindler, Pascale Mignard Technical innovations in the magnetic circuit of the Hochenergiewechselfeldjoch
DE102005061273A1 (en) 2005-12-20 2007-06-21 Prüftechnik Dieter Busch AG Rotating head for scanning the surface of an elongated test piece comprises two probe carriers with stray flux or eddy current sensors and elastic elements for tandem coupling of the pivoting movements of the probe carriers
JP5140677B2 (en) 2006-09-28 2013-02-06 プリューフテヒニーク ディーター ブッシュ アクチェンゲゼルシャフト Leakage magnetic flux inspection device for tube-shaped object
DE102008038174A1 (en) 2008-08-18 2010-02-25 Prüftechnik Dieter Busch AG Device and method for the non-destructive and non-contact detection of faults in a test object
DE102008053778B4 (en) 2008-10-23 2020-08-06 Institut Dr. Foerster Gmbh & Co. Kg Test method and test device for testing elongated objects by means of a through coil
US8264221B2 (en) * 2009-07-31 2012-09-11 Olympus Ndt Eddy current probe assembly adjustable for inspecting test objects of different sizes
EP2287603B1 (en) * 2009-08-19 2016-05-04 PRÜFTECHNIK Dieter Busch AG Device and method for non-destructive and contactless detection of defects in a testpiece
CN105806935B (en) * 2016-05-27 2024-03-12 三峡大学 Quick detection device for weld defects of large-scale metal round pipe
CN112114030B (en) * 2020-09-23 2023-11-17 成都鳌峰机电设备有限责任公司 Drill rod thread detection device and method based on ferrite eddy current thermal imaging
CN112697807B (en) * 2020-12-09 2024-03-26 江汉大学 Method for detecting surface crack width of cylindrical object
CN112946066A (en) * 2021-02-05 2021-06-11 内蒙古科技大学 Surface detection device for revolving body
CN113466116B (en) * 2021-06-25 2023-01-31 中核四达建设监理有限公司 Device for detecting corrosion resistance of carbon steel
CN115990557B (en) * 2023-03-15 2023-10-31 连云港市大正水泥制品有限公司 Detection maintenance device for reinforced concrete drain pipe and application method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1423980A1 (en) * 1960-10-14 1968-10-03 Gkn Group Services Ltd Process and device for testing defects in materials and workpieces
FR1600873A (en) * 1968-09-13 1970-08-03
DE1807725A1 (en) * 1968-11-08 1970-09-17 Reisholz Stahl & Roehrenwerk Process for centering the test head in the case of non-destructive material testing and device for carrying out the process
US3694735A (en) * 1970-07-27 1972-09-26 United States Steel Corp Water-cooled eddy-current transducer for testing product while at high temperature
US4024470A (en) * 1974-05-20 1977-05-17 Republic Steel Corporation Eddy current detector for hot test pieces having coolant fluid and purge features
JPS5190875A (en) * 1975-02-07 1976-08-09 Karyutanshoho oyobi sonosochi

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599551A (en) * 1982-07-08 1984-01-18 Sumitomo Metal Ind Ltd Flaw detector
JPS63198863A (en) * 1987-02-13 1988-08-17 Nippon Steel Corp Eddy current flaw detecting device

Also Published As

Publication number Publication date
GB2014317A (en) 1979-08-22
JPS5940265B2 (en) 1984-09-28
DE2905399A1 (en) 1979-08-16
IT1111101B (en) 1986-01-13
IT7920161A0 (en) 1979-02-13
GB2014317B (en) 1982-06-23

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