JPS60147647A - 探傷方法及び装置 - Google Patents

探傷方法及び装置

Info

Publication number
JPS60147647A
JPS60147647A JP540884A JP540884A JPS60147647A JP S60147647 A JPS60147647 A JP S60147647A JP 540884 A JP540884 A JP 540884A JP 540884 A JP540884 A JP 540884A JP S60147647 A JPS60147647 A JP S60147647A
Authority
JP
Japan
Prior art keywords
magnetic field
excitation current
minimum value
maximum value
coil
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.)
Granted
Application number
JP540884A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0517503B2 (enExample
Inventor
Tetsuya Hirota
哲也 廣田
Tatsuo Hiroshima
龍夫 廣島
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP540884A priority Critical patent/JPS60147647A/ja
Publication of JPS60147647A publication Critical patent/JPS60147647A/ja
Publication of JPH0517503B2 publication Critical patent/JPH0517503B2/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)
JP540884A 1984-01-13 1984-01-13 探傷方法及び装置 Granted JPS60147647A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP540884A JPS60147647A (ja) 1984-01-13 1984-01-13 探傷方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP540884A JPS60147647A (ja) 1984-01-13 1984-01-13 探傷方法及び装置

Publications (2)

Publication Number Publication Date
JPS60147647A true JPS60147647A (ja) 1985-08-03
JPH0517503B2 JPH0517503B2 (enExample) 1993-03-09

Family

ID=11610316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP540884A Granted JPS60147647A (ja) 1984-01-13 1984-01-13 探傷方法及び装置

Country Status (1)

Country Link
JP (1) JPS60147647A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8178150B2 (en) 2000-02-22 2012-05-15 Suzanne Jaffe Stillman Water containing soluble fiber

Also Published As

Publication number Publication date
JPH0517503B2 (enExample) 1993-03-09

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