JPS5223389A - Eddy current flaw detection method for internal surfaces of steel pipe s - Google Patents

Eddy current flaw detection method for internal surfaces of steel pipe s

Info

Publication number
JPS5223389A
JPS5223389A JP9911775A JP9911775A JPS5223389A JP S5223389 A JPS5223389 A JP S5223389A JP 9911775 A JP9911775 A JP 9911775A JP 9911775 A JP9911775 A JP 9911775A JP S5223389 A JPS5223389 A JP S5223389A
Authority
JP
Japan
Prior art keywords
flaw detection
eddy current
detection method
steel pipe
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.)
Pending
Application number
JP9911775A
Other languages
Japanese (ja)
Inventor
Yasuhiro Aikawa
Masahisa Nakayama
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
Nippon Steel 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP9911775A priority Critical patent/JPS5223389A/en
Publication of JPS5223389A publication Critical patent/JPS5223389A/en
Pending legal-status Critical Current

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  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

PURPOSE: An internal-surface eddy current flaw detection method for highly accurate flaw detection of micro-defects on the inside surfaces of steel pipes.
COPYRIGHT: (C)1977,JPO&Japio
JP9911775A 1975-08-15 1975-08-15 Eddy current flaw detection method for internal surfaces of steel pipe s Pending JPS5223389A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9911775A JPS5223389A (en) 1975-08-15 1975-08-15 Eddy current flaw detection method for internal surfaces of steel pipe s

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9911775A JPS5223389A (en) 1975-08-15 1975-08-15 Eddy current flaw detection method for internal surfaces of steel pipe s

Publications (1)

Publication Number Publication Date
JPS5223389A true JPS5223389A (en) 1977-02-22

Family

ID=14238840

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9911775A Pending JPS5223389A (en) 1975-08-15 1975-08-15 Eddy current flaw detection method for internal surfaces of steel pipe s

Country Status (1)

Country Link
JP (1) JPS5223389A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5430090A (en) * 1977-08-11 1979-03-06 Eddio Corp Magnetic induction detecting method by pependicular crossed magnetic field
JPS6366457A (en) * 1986-09-08 1988-03-25 Hihakai Kensa Kk Eddy current flaw detection test for steel pipe
JP2016197085A (en) * 2015-04-06 2016-11-24 新日鐵住金株式会社 Magnetic flaw detection method
DE102018118804A1 (en) 2017-08-04 2019-02-07 Mazda Motor Corporation Cooling device for a motor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5430090A (en) * 1977-08-11 1979-03-06 Eddio Corp Magnetic induction detecting method by pependicular crossed magnetic field
JPS6015020B2 (en) * 1977-08-11 1985-04-17 原電子測器株式会社 Electromagnetic induction detection device using orthogonal crossed magnetic fields
JPS6366457A (en) * 1986-09-08 1988-03-25 Hihakai Kensa Kk Eddy current flaw detection test for steel pipe
JP2016197085A (en) * 2015-04-06 2016-11-24 新日鐵住金株式会社 Magnetic flaw detection method
DE102018118804A1 (en) 2017-08-04 2019-02-07 Mazda Motor Corporation Cooling device for a motor

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