DE69736737D1 - Wirbelstrom-fehlerdetektor - Google Patents

Wirbelstrom-fehlerdetektor

Info

Publication number
DE69736737D1
DE69736737D1 DE69736737T DE69736737T DE69736737D1 DE 69736737 D1 DE69736737 D1 DE 69736737D1 DE 69736737 T DE69736737 T DE 69736737T DE 69736737 T DE69736737 T DE 69736737T DE 69736737 D1 DE69736737 D1 DE 69736737D1
Authority
DE
Germany
Prior art keywords
eddy current
fault detector
current fault
detector
eddy
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
DE69736737T
Other languages
English (en)
Other versions
DE69736737T2 (de
Inventor
Seiichi Kawanami
Masaaki Kurokawa
Takeo Kamimura
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of DE69736737D1 publication Critical patent/DE69736737D1/de
Application granted granted Critical
Publication of DE69736737T2 publication Critical patent/DE69736737T2/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
    • 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
    • G01N27/9046—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 by analysing electrical signals
    • G01N27/9053—Compensating for probe to workpiece spacing
    • 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
    • G01N27/904—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 with two or more 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)
DE69736737T 1996-10-09 1997-03-21 Wirbelstrom-fehlerdetektor Expired - Lifetime DE69736737T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP26874296A JP3276295B2 (ja) 1996-10-09 1996-10-09 渦電流探傷装置
JP26874296 1996-10-09
PCT/JP1997/000936 WO1998015822A1 (en) 1996-10-09 1997-03-21 Eddy current flaw detector

Publications (2)

Publication Number Publication Date
DE69736737D1 true DE69736737D1 (de) 2006-11-09
DE69736737T2 DE69736737T2 (de) 2007-08-16

Family

ID=17462719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69736737T Expired - Lifetime DE69736737T2 (de) 1996-10-09 1997-03-21 Wirbelstrom-fehlerdetektor

Country Status (6)

Country Link
US (1) US6310476B1 (de)
EP (1) EP0884588B1 (de)
JP (1) JP3276295B2 (de)
CA (1) CA2240045C (de)
DE (1) DE69736737T2 (de)
WO (1) WO1998015822A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000008458A1 (en) 1998-08-06 2000-02-17 Mitsubishi Heavy Industries, Ltd. Eddy-current flaw detector probe
US7161350B2 (en) 1999-09-07 2007-01-09 Jentek Sensors, Inc. Method for material property monitoring with perforated, surface mounted sensors
US7824244B2 (en) 2007-05-30 2010-11-02 Corning Incorporated Methods and apparatus for polishing a semiconductor wafer
CA2385868A1 (en) 1999-09-20 2001-03-29 Jentek Sensors, Inc. Eddy-current sensor arrays
GB2400445B (en) * 1999-09-20 2004-11-24 Jentek Sensors Inc Testing substrate using eddy-current sensor arrays
DE19962184A1 (de) * 1999-12-22 2001-07-19 Siemens Ag Verfahren und Vorrichtung zur in situ-Ermittlung des Umwandlungsgrads einer nichtmagnetischen Phase in eine ferromagnetische Phase eines metallischen Werkstücks
US6570379B2 (en) * 2000-08-24 2003-05-27 Shell Oil Company Method for inspecting an object of electrically conducting material
FR2881826A1 (fr) * 2005-02-04 2006-08-11 Commissariat Energie Atomique Procede de conception et de realisation d'un dispositif de controle a courants de foucault
FR2904694B1 (fr) * 2006-08-03 2008-11-07 Commissariat Energie Atomique Procede et dispositif de controle par courants de foucault a fonctions emission/reception separees d'une piece electriquement conductrice
DE102007036200A1 (de) * 2007-08-02 2009-02-05 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Induktiver Weg- oder Drehwinkelsensor mit zwischen zwei Spulen angeordnetem Abschirmblech
JP5175513B2 (ja) * 2007-09-20 2013-04-03 株式会社原子力エンジニアリング 渦流探傷方法、渦流探傷装置及び渦流探傷プローブ
WO2010134510A1 (ja) * 2009-05-22 2010-11-25 住友金属工業株式会社 回転渦電流探傷プローブ
FR2985027B1 (fr) 2011-12-22 2014-02-28 Commissariat Energie Atomique Procede de fabrication d'une tete de controle d'un capteur de controle non destructif a courants de foucault
US20130214771A1 (en) * 2012-01-25 2013-08-22 Radiation Monitoring Devices, Inc. Systems and methods for inspecting structures including pipes and reinforced concrete
JP6189870B2 (ja) * 2012-02-23 2017-08-30 インスティトゥート ドクトル フェルスター ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト 貫通コイル構成、貫通コイル構成を有する試験装置、及び試験方法
JP5894833B2 (ja) * 2012-03-30 2016-03-30 株式会社荏原製作所 渦電流センサ並びに研磨方法および装置
FR3040492B1 (fr) * 2015-08-31 2019-03-29 Safran Aircraft Engines Dispositif et procede de controle non destructif combinant une mesure differentielle et une mesure absolue
JP6597081B2 (ja) * 2015-09-07 2019-10-30 株式会社Ｉｈｉ 探傷プローブおよび探傷方法
CN105526854A (zh) * 2016-01-19 2016-04-27 上海交通大学 基于双线圈的微型电涡流传感器
CN108037181B (zh) * 2017-12-06 2024-03-26 国网浙江省电力有限公司电力科学研究院 一种高压电缆铅封涡流探伤装置及方法
CN109187732A (zh) * 2018-09-12 2019-01-11 南京航空航天大学 一种带提离距离测量的巴克豪森信号检测探头及测量方法
CN109946372A (zh) * 2019-04-09 2019-06-28 鞍钢股份有限公司 一种钢材表面探伤用涡流探头
CN111796021A (zh) * 2020-08-27 2020-10-20 厦门大学 一种新型涡流检测探头及检测方法
ES2989120T3 (es) 2021-03-03 2024-11-25 Abb Schweiz Ag Mediciones de inclinación y curvatura de láminas metálicas en un laminador
KR102838167B1 (ko) * 2023-03-17 2025-07-24 한국가스공사 배관 검사 장치
TWI877653B (zh) * 2023-06-14 2025-03-21 國立清華大學 渦電流感測方法及其適用之裝置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328467Y2 (de) * 1972-03-30 1978-07-18
US3866116A (en) * 1973-04-23 1975-02-11 Magnaflux Corp Eddy current testing system having probe switching and gating means
JPS5840141B2 (ja) 1975-06-21 1983-09-03 新日本製鐵株式会社 カリユウタンシヨウヨウケンシユツコイル
GB1567600A (en) * 1975-10-15 1980-05-21 British Gas Corp Lipe line inspection equipment
FR2541772B1 (fr) * 1983-02-24 1985-06-14 Aerospatiale Procede et dispositif pour l'examen non destructif de jonctions rivetees ou analogues au moyen d'une sonde a courants de foucault
GB2186372A (en) * 1986-02-03 1987-08-12 Atomic Energy Authority Uk Eddy current testing
JP2882856B2 (ja) * 1990-07-04 1999-04-12 三菱マテリアル株式会社 渦流探傷装置
JP2983093B2 (ja) 1991-11-15 1999-11-29 東京瓦斯株式会社 溶接ビード位置センサ
US5510709A (en) * 1993-09-27 1996-04-23 General Electric Company Eddy current surface inspection probe for aircraft fastener inspection, and inspection method

Also Published As

Publication number Publication date
EP0884588A4 (de) 2002-05-02
US6310476B1 (en) 2001-10-30
JPH10111279A (ja) 1998-04-28
WO1998015822A1 (en) 1998-04-16
EP0884588B1 (de) 2006-09-27
EP0884588A1 (de) 1998-12-16
DE69736737T2 (de) 2007-08-16
JP3276295B2 (ja) 2002-04-22
CA2240045A1 (en) 1998-04-16
CA2240045C (en) 2002-10-22

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: KAWANAMI, SEIICHI, ARAI-CHO, TAKASAGO-SHI, HYO, JP

Inventor name: KUROKAWA, MASAAKI, ARAI-CHO, TAKASAGO-SHI HYOG, JP

Inventor name: KAMIMURA, TAKEO, ARAI-CHO, TAKASAGO-SHI, HYOGO, JP

8364 No opposition during term of opposition