JPS542790A - Crack detector by whirling current - Google Patents

Crack detector by whirling current

Info

Publication number
JPS542790A
JPS542790A JP6677977A JP6677977A JPS542790A JP S542790 A JPS542790 A JP S542790A JP 6677977 A JP6677977 A JP 6677977A JP 6677977 A JP6677977 A JP 6677977A JP S542790 A JPS542790 A JP S542790A
Authority
JP
Japan
Prior art keywords
crack detector
whirling current
whirling
current
crack
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.)
Pending
Application number
JP6677977A
Other languages
Japanese (ja)
Inventor
Akihiro Narita
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.)
NSK Ltd
Original Assignee
NSK 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 NSK Ltd filed Critical NSK Ltd
Priority to JP6677977A priority Critical patent/JPS542790A/en
Publication of JPS542790A publication Critical patent/JPS542790A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP6677977A 1977-06-08 1977-06-08 Crack detector by whirling current Pending JPS542790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6677977A JPS542790A (en) 1977-06-08 1977-06-08 Crack detector by whirling current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6677977A JPS542790A (en) 1977-06-08 1977-06-08 Crack detector by whirling current

Publications (1)

Publication Number Publication Date
JPS542790A true JPS542790A (en) 1979-01-10

Family

ID=13325686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6677977A Pending JPS542790A (en) 1977-06-08 1977-06-08 Crack detector by whirling current

Country Status (1)

Country Link
JP (1) JPS542790A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01248049A (en) * 1988-03-29 1989-10-03 Kyowa Electron Instr Co Ltd Cracking change detecting method and monitoring system therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01248049A (en) * 1988-03-29 1989-10-03 Kyowa Electron Instr Co Ltd Cracking change detecting method and monitoring system therefor

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