DE69222989D1 - Magnetisches überprüfungsverfahren und gerät hiervon - Google Patents

Magnetisches überprüfungsverfahren und gerät hiervon

Info

Publication number
DE69222989D1
DE69222989D1 DE69222989T DE69222989T DE69222989D1 DE 69222989 D1 DE69222989 D1 DE 69222989D1 DE 69222989 T DE69222989 T DE 69222989T DE 69222989 T DE69222989 T DE 69222989T DE 69222989 D1 DE69222989 D1 DE 69222989D1
Authority
DE
Germany
Prior art keywords
verification procedure
magnetic verification
magnetic
procedure
verification
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 - Fee Related
Application number
DE69222989T
Other languages
English (en)
Other versions
DE69222989T2 (de
Inventor
Seigo Ando
Yasuhiro Matsufuji
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
Original Assignee
NKK 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Publication of DE69222989D1 publication Critical patent/DE69222989D1/de
Application granted granted Critical
Publication of DE69222989T2 publication Critical patent/DE69222989T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE69222989T 1991-02-04 1992-01-31 Magnetisches überprüfungsverfahren und gerät hiervon Expired - Fee Related DE69222989T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1356891 1991-02-04
JP2330691 1991-02-18
JP2330791 1991-02-18
PCT/JP1992/000096 WO1992014145A1 (fr) 1991-02-04 1992-01-31 Procede d'inspection magnetique et dispositif prevu a cet effet

Publications (2)

Publication Number Publication Date
DE69222989D1 true DE69222989D1 (de) 1997-12-11
DE69222989T2 DE69222989T2 (de) 1998-06-04

Family

ID=27280323

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69222989T Expired - Fee Related DE69222989T2 (de) 1991-02-04 1992-01-31 Magnetisches überprüfungsverfahren und gerät hiervon

Country Status (6)

Country Link
US (2) US5357198A (de)
EP (1) EP0523249B1 (de)
AU (1) AU1221092A (de)
CA (1) CA2079774A1 (de)
DE (1) DE69222989T2 (de)
WO (1) WO1992014145A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08193980A (ja) * 1995-01-19 1996-07-30 Yoshihiro Murakami 磁気探傷法及び、磁気探傷装置
US5821749A (en) * 1995-08-02 1998-10-13 Booker; James R. Reluctance change apparatus and method of detecting loss of cross-sectional area of magnetic metallic strength members used in conductors such as aluminum conductor steel reinforced ("ACSR") conductors
US5744955A (en) * 1995-08-02 1998-04-28 Booker; James R. Apparatus and method of detecting loss of cross-sectional area of magnetic metallic strength members used in conductors such as aluminum conductor steel reinforced (ACSR) conductors
WO1997016722A1 (fr) * 1995-10-31 1997-05-09 Nkk Corporation Capteur magnetique, procede et equipement de detection de defauts magnetiques utilisant ce capteur
JP3811039B2 (ja) * 2000-10-18 2006-08-16 Ｊｆｅスチール株式会社 磁気探傷装置の漏洩磁気検出センサ
US7218102B2 (en) * 2004-10-07 2007-05-15 Battelle Memorial Institute Pipeline inspection apparatus and method
US8035373B2 (en) * 2004-10-28 2011-10-11 Toyo Kohan Co., Ltd. Device and method for inspecting scratches on cell external case
CA2548938C (en) * 2005-04-28 2012-12-11 Randel Brandstrom Apparatus and method for detection of defects using flux leakage techniques
DE102007018759B4 (de) * 2007-01-08 2021-02-11 Asm Automation Sensorik Messtechnik Gmbh Winkelsensor
US20110031961A1 (en) * 2008-02-04 2011-02-10 Durand Keith V Endotracheal tube sensor
CN101419192B (zh) * 2008-11-28 2012-05-09 华中科技大学 导磁构件超强磁化漏磁检测方法与装置
US8368395B2 (en) * 2008-12-17 2013-02-05 Ndt Technologies, Inc. Magnetic inspection device and method for detecting loss in metallic cross section
KR101765916B1 (ko) * 2010-12-31 2017-08-23 엘지이노텍 주식회사 전자 선반 라벨 및 배터리 잔량 관리 방법
JP5550617B2 (ja) * 2011-09-21 2014-07-16 株式会社日立製作所 漏洩磁束探傷装置
CN104502442B (zh) * 2014-08-28 2017-06-23 西红柿科技（武汉）有限公司 一种具有磁罩的漏磁检测仪
US10067096B2 (en) * 2016-02-26 2018-09-04 Dakont Advanced Technologies, Inc. Apparatus, system and method for automated nondestructive inspection of metal structures
JP6547726B2 (ja) * 2016-11-28 2019-07-24 Ｊｆｅスチール株式会社 薄鋼帯の漏洩磁束探傷装置および探傷方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE597671C (de) * 1930-05-20 1934-05-29 Franz Unger Dr Vorrichtung zur Feststellung von Fehlerstellen in Werkstuecken
US3156862A (en) * 1961-12-15 1964-11-10 Assembly Products Inc Electrical flaw detector apparatus having null plane positioned as well as electrically balanced coil arrangements
US3241058A (en) * 1962-08-22 1966-03-15 Api Instr Company Flaw detecting apparatus having null plane positioned sensors which are series connected
US3469182A (en) * 1967-06-23 1969-09-23 Gkn Group Services Ltd Flaw detecting apparatus with mechanical scanning of detection means
US3825820A (en) * 1972-10-31 1974-07-23 Magnaflux Corp Gate circuit for non-destructive testing systems for indicating when test signals lie within predetermined limits
JPS5856830B2 (ja) * 1973-05-10 1983-12-16 エイエムエフ インコ−ポレ−テツド カンジヨウブザイオヒハカイテキ ニ ケンサスル ホウホウ オヨビ ソウチ
JPS6020708B2 (ja) * 1979-05-04 1985-05-23 新日本製鐵株式会社 エツジ検出器
DE3132808C2 (de) * 1981-08-19 1984-01-26 Nukem Gmbh, 6450 Hanau "Vorrichtung zur zerstörungsfreien Prüfung ferromagnetischer Körper"
JPS6020708A (ja) * 1983-07-12 1985-02-02 日新電機株式会社 ガス絶縁開閉装置
SU1302150A1 (ru) * 1984-08-16 1987-04-07 Институт сверхтвердых материалов АН УССР Датчик неразрушающего контрол поверхностных слоев деталей
DE3435442A1 (de) * 1984-09-27 1986-03-27 Nukem Gmbh, 6450 Hanau Verfahren und vorrichtung zur zerstoerungsfreien pruefung ferromagnetischer koerper mittels magnetisierung
GB8606564D0 (en) * 1986-03-17 1986-04-23 Atomic Energy Authority Uk Magnetic discontinuity detection
US4775579A (en) * 1987-11-05 1988-10-04 James River Corporation Of Virginia Hydroentangled elastic and nonelastic filaments
HU200031B (en) * 1988-03-28 1990-03-28 Tungsram Reszvenytarsasag High-pressure discharge lamp
JPH089641Y2 (ja) * 1989-01-30 1996-03-21 株式会社明電舎 スチールベルトのクラック検出装置
US5089776A (en) * 1989-09-25 1992-02-18 Nkk Corporation Apparatus for detecting defects in a moving steel strip with a magnetizing yoke and a sensor placed on opposite sides of the strip
US5021738A (en) * 1990-03-26 1991-06-04 The United States Of America As Represented By The Secretary Of The Navy Field variable, electronically controlled, nested coil eddy current probe

Also Published As

Publication number Publication date
US5357198A (en) 1994-10-18
US5502382A (en) 1996-03-26
CA2079774A1 (en) 1992-08-05
EP0523249A1 (de) 1993-01-20
AU1221092A (en) 1992-09-07
EP0523249A4 (en) 1993-08-11
WO1992014145A1 (fr) 1992-08-20
EP0523249B1 (de) 1997-11-05
DE69222989T2 (de) 1998-06-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee