DE69427055D1 - Anordnung zum zerstörungsfreien Prüfen mit SQUID-Magnetfühler - Google Patents

Anordnung zum zerstörungsfreien Prüfen mit SQUID-Magnetfühler

Info

Publication number
DE69427055D1
DE69427055D1 DE69427055T DE69427055T DE69427055D1 DE 69427055 D1 DE69427055 D1 DE 69427055D1 DE 69427055 T DE69427055 T DE 69427055T DE 69427055 T DE69427055 T DE 69427055T DE 69427055 D1 DE69427055 D1 DE 69427055D1
Authority
DE
Germany
Prior art keywords
arrangement
magnetic sensor
destructive testing
squid magnetic
squid
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.)
Expired - Lifetime
Application number
DE69427055T
Other languages
English (en)
Other versions
DE69427055T2 (de
Inventor
Hirokazu Kugai
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric 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
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of DE69427055D1 publication Critical patent/DE69427055D1/de
Application granted granted Critical
Publication of DE69427055T2 publication Critical patent/DE69427055T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
DE69427055T 1993-07-12 1994-07-12 Anordnung zum zerstörungsfreien Prüfen mit SQUID-Magnetfühler Expired - Lifetime DE69427055T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19512493 1993-07-12

Publications (2)

Publication Number Publication Date
DE69427055D1 true DE69427055D1 (de) 2001-05-17
DE69427055T2 DE69427055T2 (de) 2001-11-29

Family

ID=16335894

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69427055T Expired - Lifetime DE69427055T2 (de) 1993-07-12 1994-07-12 Anordnung zum zerstörungsfreien Prüfen mit SQUID-Magnetfühler

Country Status (3)

Country Link
US (2) US5729135A (de)
EP (1) EP0634652B1 (de)
DE (1) DE69427055T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5729135A (en) * 1993-07-12 1998-03-17 Sumitomo Electric Industries, Ltd. Non-destructive testing equipment employing SQUID-type magnetic sensor in magnetic shield container
JPH1010091A (ja) * 1996-06-21 1998-01-16 Sumitomo Electric Ind Ltd 磁性体微粉の検出装置
FR2753281B1 (fr) * 1996-09-06 1998-11-27 Magsys Detecteur magnetique
JP3742998B2 (ja) * 1997-03-26 2006-02-08 住友電気工業株式会社 磁性体濃度の検出方法及び装置
WO2000057200A1 (en) * 1999-03-24 2000-09-28 Case Western Reserve University Apparatus and method for determining magnetic susceptibility
KR100376892B1 (ko) * 2000-07-26 2003-03-28 주식회사 레이콤 2차원 배열의 자기센서와 3차원 자성유체를 이용한자속밀도 표시장치
US6400146B1 (en) 2000-09-12 2002-06-04 Her Majesty The Queen In Right Of Canada As Represented By The Ministry Of Natural Resources Sensor head for ACFM based crack detection
US20020113588A1 (en) * 2000-09-21 2002-08-22 Espy Michelle A. SQUID array magnometer with multi-frequency induction
JP3454246B2 (ja) * 2000-10-30 2003-10-06 株式会社日立製作所 磁場計測装置
JP4109114B2 (ja) 2001-01-15 2008-07-02 カウンスィル オブ サイエンティフィック アンド インダストリアル リサーチ 鋼構造または構成材の非破壊評価用検出器
US7049810B1 (en) * 2003-07-18 2006-05-23 Lincoln Global, Inc. Apparatus to measure fill
WO2014053047A1 (en) 2012-10-04 2014-04-10 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources Canada Measurement of lay length of wire rope

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854085A (en) * 1973-06-07 1974-12-10 Magnetics Analysis Corp Multi-probe flux leakage testing apparatus producing bipolar signals from the largest simultaneously occurring signals of each polarity
AU587199B2 (en) * 1984-08-03 1989-08-10 Commonwealth Scientific And Industrial Research Organisation Conveyor belt cord break detection
US4734643A (en) * 1985-08-05 1988-03-29 Electrocom Automation, Inc. Method and apparatus for detecting the presence of magnetic ink within a package by magnetizing and selectively remagnitizing the ferro-magnetic materials in the package
US5004724A (en) * 1989-03-09 1991-04-02 International Superconductor Corp. Superconductive quantum interference device for the non-destructive evaluation of metals
US5109196A (en) * 1991-03-05 1992-04-28 Vanderbilt University Method and apparatus for magnetic identification and localization of flaws in conductors by canceling the field about the conductor with the field about a flawless conductor
US5729135A (en) * 1993-07-12 1998-03-17 Sumitomo Electric Industries, Ltd. Non-destructive testing equipment employing SQUID-type magnetic sensor in magnetic shield container

Also Published As

Publication number Publication date
EP0634652A2 (de) 1995-01-18
EP0634652A3 (en) 1995-01-25
US5729135A (en) 1998-03-17
DE69427055T2 (de) 2001-11-29
EP0634652B1 (de) 2001-04-11
US5963032A (en) 1999-10-05

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Legal Events

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8364 No opposition during term of opposition