DE19580847T1 - Method and device for fault detection by leakage flux and leakage flux sensor - Google Patents

Method and device for fault detection by leakage flux and leakage flux sensor

Info

Publication number
DE19580847T1
DE19580847T1 DE19580847T DE19580847T DE19580847T1 DE 19580847 T1 DE19580847 T1 DE 19580847T1 DE 19580847 T DE19580847 T DE 19580847T DE 19580847 T DE19580847 T DE 19580847T DE 19580847 T1 DE19580847 T1 DE 19580847T1
Authority
DE
Germany
Prior art keywords
leakage flux
fault detection
sensor
flux sensor
leakage
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.)
Withdrawn
Application number
DE19580847T
Other languages
German (de)
Inventor
Toshiyuki Suzuma
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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
Priority claimed from JP13340895A external-priority patent/JPH08327602A/en
Priority claimed from JP13779895A external-priority patent/JPH0868778A/en
Priority claimed from JP14369595A external-priority patent/JPH08334495A/en
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Publication of DE19580847T1 publication Critical patent/DE19580847T1/en
Withdrawn legal-status Critical Current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

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)
DE19580847T 1994-06-23 1995-06-22 Method and device for fault detection by leakage flux and leakage flux sensor Withdrawn DE19580847T1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP14203294 1994-06-23
JP13340895A JPH08327602A (en) 1995-05-31 1995-05-31 Leakage magnetism sensor
JP13779895A JPH0868778A (en) 1994-06-23 1995-06-05 Leakage magnetic flux flaw detector
JP14369595A JPH08334495A (en) 1995-06-09 1995-06-09 Sensor for leakage flux flaw detection
PCT/JP1995/001254 WO1996000386A1 (en) 1994-06-23 1995-06-22 Method and apparatus for leakage flux flaw detection, and leakage flux flaw detector

Publications (1)

Publication Number Publication Date
DE19580847T1 true DE19580847T1 (en) 1996-11-21

Family

ID=27471757

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19580847T Withdrawn DE19580847T1 (en) 1994-06-23 1995-06-22 Method and device for fault detection by leakage flux and leakage flux sensor

Country Status (2)

Country Link
DE (1) DE19580847T1 (en)
WO (1) WO1996000386A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008024394A1 (en) * 2008-05-15 2009-12-03 V&M Deutschland Gmbh Non-destructive testing of pipes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113728226B (en) * 2019-04-24 2024-06-25 杰富意钢铁株式会社 Magnetic leakage flaw detector

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922179B2 (en) * 1976-01-19 1984-05-24 住友金属工業株式会社 Defect shape measuring device for magnetic metal bodies
JPS5775562U (en) * 1980-10-27 1982-05-10
JPH01154457U (en) * 1988-04-18 1989-10-24
JPH0333363U (en) * 1989-08-10 1991-04-02
JP3054778B2 (en) * 1990-09-11 2000-06-19 株式会社日立製作所 Nondestructive inspection equipment by SQUID
JP2605516B2 (en) * 1991-09-02 1997-04-30 日本鋼管株式会社 Magnetic strip flaw detection method and apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008024394A1 (en) * 2008-05-15 2009-12-03 V&M Deutschland Gmbh Non-destructive testing of pipes

Also Published As

Publication number Publication date
WO1996000386A1 (en) 1996-01-04

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination