JPH0378579B2 - - Google Patents

Info

Publication number
JPH0378579B2
JPH0378579B2 JP58040576A JP4057683A JPH0378579B2 JP H0378579 B2 JPH0378579 B2 JP H0378579B2 JP 58040576 A JP58040576 A JP 58040576A JP 4057683 A JP4057683 A JP 4057683A JP H0378579 B2 JPH0378579 B2 JP H0378579B2
Authority
JP
Japan
Prior art keywords
phase
defect
signal
eddy current
current 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 - Lifetime
Application number
JP58040576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59166858A (ja
Inventor
Yasuo Ishibashi
Hiroshi Hoshikawa
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.)
Marktec Corp
Original Assignee
Marktec Corp
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 Marktec Corp filed Critical Marktec Corp
Priority to JP4057683A priority Critical patent/JPS59166858A/ja
Publication of JPS59166858A publication Critical patent/JPS59166858A/ja
Publication of JPH0378579B2 publication Critical patent/JPH0378579B2/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
    • G01N27/9046—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

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)
JP4057683A 1983-03-14 1983-03-14 内插コイルを用いた管の渦流探傷法 Granted JPS59166858A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4057683A JPS59166858A (ja) 1983-03-14 1983-03-14 内插コイルを用いた管の渦流探傷法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4057683A JPS59166858A (ja) 1983-03-14 1983-03-14 内插コイルを用いた管の渦流探傷法

Publications (2)

Publication Number Publication Date
JPS59166858A JPS59166858A (ja) 1984-09-20
JPH0378579B2 true JPH0378579B2 (enrdf_load_stackoverflow) 1991-12-16

Family

ID=12584307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4057683A Granted JPS59166858A (ja) 1983-03-14 1983-03-14 内插コイルを用いた管の渦流探傷法

Country Status (1)

Country Link
JP (1) JPS59166858A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4902448B2 (ja) * 2007-07-10 2012-03-21 株式会社日立製作所 欠陥識別方法及び欠陥識別装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4945795A (en) * 1972-09-02 1974-05-01 Nippon Steel Corp Kubifurikiko o jusuru choonpatanshokushi
JPS5940264B2 (ja) * 1977-03-31 1984-09-28 住友金属工業株式会社 渦流探傷方法
JPS5793251A (en) * 1980-12-02 1982-06-10 Hara Denshi Sokki Kk Device for detecting flaw by eddy current

Also Published As

Publication number Publication date
JPS59166858A (ja) 1984-09-20

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