JPS5793251A - Device for detecting flaw by eddy current - Google Patents

Device for detecting flaw by eddy current

Info

Publication number
JPS5793251A
JPS5793251A JP55169929A JP16992980A JPS5793251A JP S5793251 A JPS5793251 A JP S5793251A JP 55169929 A JP55169929 A JP 55169929A JP 16992980 A JP16992980 A JP 16992980A JP S5793251 A JPS5793251 A JP S5793251A
Authority
JP
Japan
Prior art keywords
output
phase
analog
signal
sent
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
JP55169929A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6241342B2 (enrdf_load_stackoverflow
Inventor
Shoji Hayashibe
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.)
HARA DENSHI SOKKI KK
Eddio Corp
Original Assignee
HARA DENSHI SOKKI KK
Eddio 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 HARA DENSHI SOKKI KK, Eddio Corp filed Critical HARA DENSHI SOKKI KK
Priority to JP55169929A priority Critical patent/JPS5793251A/ja
Publication of JPS5793251A publication Critical patent/JPS5793251A/ja
Publication of JPS6241342B2 publication Critical patent/JPS6241342B2/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)
JP55169929A 1980-12-02 1980-12-02 Device for detecting flaw by eddy current Granted JPS5793251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55169929A JPS5793251A (en) 1980-12-02 1980-12-02 Device for detecting flaw by eddy current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55169929A JPS5793251A (en) 1980-12-02 1980-12-02 Device for detecting flaw by eddy current

Publications (2)

Publication Number Publication Date
JPS5793251A true JPS5793251A (en) 1982-06-10
JPS6241342B2 JPS6241342B2 (enrdf_load_stackoverflow) 1987-09-02

Family

ID=15895547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55169929A Granted JPS5793251A (en) 1980-12-02 1980-12-02 Device for detecting flaw by eddy current

Country Status (1)

Country Link
JP (1) JPS5793251A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59166858A (ja) * 1983-03-14 1984-09-20 Tokushu Toryo Kk 内插コイルを用いた管の渦流探傷法
JPS59166859A (ja) * 1983-03-14 1984-09-20 Tokushu Toryo Kk 内插コイルを備えた管用渦流探傷装置
JP2006208312A (ja) * 2005-01-31 2006-08-10 Jfe Steel Kk 内部欠陥測定方法および装置
JP2011127922A (ja) * 2009-12-15 2011-06-30 Sumitomo Metal Ind Ltd 渦流探傷方法及びそれに用いられる隙間形成部材

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01185166A (ja) * 1988-01-13 1989-07-24 Tokyo Electric Co Ltd インバータ装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59166858A (ja) * 1983-03-14 1984-09-20 Tokushu Toryo Kk 内插コイルを用いた管の渦流探傷法
JPS59166859A (ja) * 1983-03-14 1984-09-20 Tokushu Toryo Kk 内插コイルを備えた管用渦流探傷装置
JP2006208312A (ja) * 2005-01-31 2006-08-10 Jfe Steel Kk 内部欠陥測定方法および装置
JP2011127922A (ja) * 2009-12-15 2011-06-30 Sumitomo Metal Ind Ltd 渦流探傷方法及びそれに用いられる隙間形成部材

Also Published As

Publication number Publication date
JPS6241342B2 (enrdf_load_stackoverflow) 1987-09-02

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