JPS6314905B2 - - Google Patents

Info

Publication number
JPS6314905B2
JPS6314905B2 JP56091156A JP9115681A JPS6314905B2 JP S6314905 B2 JPS6314905 B2 JP S6314905B2 JP 56091156 A JP56091156 A JP 56091156A JP 9115681 A JP9115681 A JP 9115681A JP S6314905 B2 JPS6314905 B2 JP S6314905B2
Authority
JP
Japan
Prior art keywords
detection
frequency
coil
test
flaw
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
Application number
JP56091156A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5817353A (ja
Inventor
Masayoshi Iwasaki
Yoshiro Nishimoto
Kazuhiko Yoshimoto
Yoshinori Yonekura
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP56091156A priority Critical patent/JPS5817353A/ja
Publication of JPS5817353A publication Critical patent/JPS5817353A/ja
Publication of JPS6314905B2 publication Critical patent/JPS6314905B2/ja
Granted 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
    • G01N27/904—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)
JP56091156A 1981-06-12 1981-06-12 複数コイル方式による多重周波数渦流探傷法及び多重周波数渦流探傷装置 Granted JPS5817353A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56091156A JPS5817353A (ja) 1981-06-12 1981-06-12 複数コイル方式による多重周波数渦流探傷法及び多重周波数渦流探傷装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56091156A JPS5817353A (ja) 1981-06-12 1981-06-12 複数コイル方式による多重周波数渦流探傷法及び多重周波数渦流探傷装置

Publications (2)

Publication Number Publication Date
JPS5817353A JPS5817353A (ja) 1983-02-01
JPS6314905B2 true JPS6314905B2 (fr) 1988-04-02

Family

ID=14018642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56091156A Granted JPS5817353A (ja) 1981-06-12 1981-06-12 複数コイル方式による多重周波数渦流探傷法及び多重周波数渦流探傷装置

Country Status (1)

Country Link
JP (1) JPS5817353A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000131287A (ja) * 1998-10-23 2000-05-12 Japan Science & Technology Corp 磁気計測による探傷方法及び装置

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108955A (ja) * 1982-12-13 1984-06-23 Nippon Steel Corp マルチプロ−ブコイルマルチ周波数渦流探傷装置
JPS59166857A (ja) * 1983-03-11 1984-09-20 Nippon Steel Corp マルチプロ−ブ、マルチ周波数渦流探傷装置の信号処理回路
JPS59176664A (ja) * 1983-03-28 1984-10-06 Mitsubishi Heavy Ind Ltd 多重周波数渦電流探傷分析装置
JPS6273158A (ja) * 1985-09-27 1987-04-03 Daizaburo Iwasaki 渦流探傷試験における信号処理方法およびその装置
SE456863B (sv) * 1986-07-15 1988-11-07 Toernbloms Kvalitetskontroll Maet- och/eller kontrollanordning utnyttjande virvelstroemsteknik med undertryckning av godartade ytdeformationer
SE451886B (sv) * 1986-10-10 1987-11-02 Sten Linder Sett och anordning for beroringsfri metning av storheter hos eller i anslutning till elektriskt ledande material
JPH0348152A (ja) * 1989-04-17 1991-03-01 Idemitsu Eng Co Ltd 渦流探傷検査法および渦流探傷検査用基準試料の製作方法
US5068608A (en) * 1989-10-30 1991-11-26 Westinghouse Electric Corp. Multiple coil eddy current probe system and method for determining the length of a discontinuity
US5049817A (en) * 1990-06-08 1991-09-17 Atomic Energy Of Canada Limited Eddy current probe, incorporating multi-bracelets of different pancake coil diameters, for detecting internal defects in ferromagnetic tubes
US11710489B2 (en) 2004-06-14 2023-07-25 Wanda Papadimitriou Autonomous material evaluation system and method
US11680867B2 (en) 2004-06-14 2023-06-20 Wanda Papadimitriou Stress engineering assessment of risers and riser strings
FR2904693B1 (fr) * 2006-08-03 2008-10-24 Commissariat Energie Atomique Dispositif de controle par courants de foucault a fonctions emission/reception separees d'une piece electriquement conductrice
CN107422028B (zh) * 2017-04-20 2021-01-05 北京昊鹏智能技术有限公司 分布式结构健康监测系统及方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000131287A (ja) * 1998-10-23 2000-05-12 Japan Science & Technology Corp 磁気計測による探傷方法及び装置

Also Published As

Publication number Publication date
JPS5817353A (ja) 1983-02-01

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