JPH02665B2 - - Google Patents

Info

Publication number
JPH02665B2
JPH02665B2 JP60064167A JP6416785A JPH02665B2 JP H02665 B2 JPH02665 B2 JP H02665B2 JP 60064167 A JP60064167 A JP 60064167A JP 6416785 A JP6416785 A JP 6416785A JP H02665 B2 JPH02665 B2 JP H02665B2
Authority
JP
Japan
Prior art keywords
signal
flaw detection
detection coil
flaw
delay
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
JP60064167A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61221646A (ja
Inventor
Yasuichi Kudo
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.)
Sanyo Special Steel Co Ltd
Original Assignee
Sanyo Special Steel Co 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 Sanyo Special Steel Co Ltd filed Critical Sanyo Special Steel Co Ltd
Priority to JP60064167A priority Critical patent/JPS61221646A/ja
Publication of JPS61221646A publication Critical patent/JPS61221646A/ja
Publication of JPH02665B2 publication Critical patent/JPH02665B2/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
    • G01N27/9066—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 by measuring the propagation time, or delaying the 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)
JP60064167A 1985-03-27 1985-03-27 貫通型渦流探傷装置 Granted JPS61221646A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60064167A JPS61221646A (ja) 1985-03-27 1985-03-27 貫通型渦流探傷装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60064167A JPS61221646A (ja) 1985-03-27 1985-03-27 貫通型渦流探傷装置

Publications (2)

Publication Number Publication Date
JPS61221646A JPS61221646A (ja) 1986-10-02
JPH02665B2 true JPH02665B2 (enExample) 1990-01-09

Family

ID=13250233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60064167A Granted JPS61221646A (ja) 1985-03-27 1985-03-27 貫通型渦流探傷装置

Country Status (1)

Country Link
JP (1) JPS61221646A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112015007083B4 (de) * 2015-11-02 2022-06-23 Mitsubishi Electric Corporation Vorrichtung zum detektieren von drahtseildefekten

Also Published As

Publication number Publication date
JPS61221646A (ja) 1986-10-02

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