JPS53142289A - Method and apparatus for alternating current magnetic crack detection - Google Patents

Method and apparatus for alternating current magnetic crack detection

Info

Publication number
JPS53142289A
JPS53142289A JP5627977A JP5627977A JPS53142289A JP S53142289 A JPS53142289 A JP S53142289A JP 5627977 A JP5627977 A JP 5627977A JP 5627977 A JP5627977 A JP 5627977A JP S53142289 A JPS53142289 A JP S53142289A
Authority
JP
Japan
Prior art keywords
alternating current
crack detection
current magnetic
magnetic crack
detection
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
JP5627977A
Other languages
English (en)
Inventor
Toshihiro Mori
Seigo Andou
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to JP5627977A priority Critical patent/JPS53142289A/ja
Publication of JPS53142289A publication Critical patent/JPS53142289A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP5627977A 1977-05-18 1977-05-18 Method and apparatus for alternating current magnetic crack detection Pending JPS53142289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5627977A JPS53142289A (en) 1977-05-18 1977-05-18 Method and apparatus for alternating current magnetic crack detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5627977A JPS53142289A (en) 1977-05-18 1977-05-18 Method and apparatus for alternating current magnetic crack detection

Publications (1)

Publication Number Publication Date
JPS53142289A true JPS53142289A (en) 1978-12-11

Family

ID=13022641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5627977A Pending JPS53142289A (en) 1977-05-18 1977-05-18 Method and apparatus for alternating current magnetic crack detection

Country Status (1)

Country Link
JP (1) JPS53142289A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59650A (ja) * 1982-06-28 1984-01-05 Hitachi Ltd ワイヤ−ロ−プの電磁探傷装置
JP2003240761A (ja) * 2002-02-15 2003-08-27 Jfe Steel Kk 磁性金属被検体の表層欠陥又は表面欠陥の検出方法及び装置
JP2010223719A (ja) * 2009-03-23 2010-10-07 Sumitomo Metal Ind Ltd 管の欠陥検出方法及び装置
WO2019087460A1 (ja) * 2017-10-30 2019-05-09 新日鐵住金株式会社 長尺材の磁気特性変化部検出装置及び方法
JP2020038072A (ja) * 2018-09-03 2020-03-12 株式会社島津製作所 磁性体検査システム、磁性体検査装置および磁性体検査方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59650A (ja) * 1982-06-28 1984-01-05 Hitachi Ltd ワイヤ−ロ−プの電磁探傷装置
JPH0149898B2 (ja) * 1982-06-28 1989-10-26 Hitachi Seisakusho Kk
JP2003240761A (ja) * 2002-02-15 2003-08-27 Jfe Steel Kk 磁性金属被検体の表層欠陥又は表面欠陥の検出方法及び装置
JP2010223719A (ja) * 2009-03-23 2010-10-07 Sumitomo Metal Ind Ltd 管の欠陥検出方法及び装置
WO2019087460A1 (ja) * 2017-10-30 2019-05-09 新日鐵住金株式会社 長尺材の磁気特性変化部検出装置及び方法
JPWO2019087460A1 (ja) * 2017-10-30 2020-04-02 日本製鉄株式会社 長尺材の磁気特性変化部検出装置及び方法
US11193910B2 (en) 2017-10-30 2021-12-07 Nippon Steel Corporation Device and method of detecting magnetic characteristic change for long material
JP2020038072A (ja) * 2018-09-03 2020-03-12 株式会社島津製作所 磁性体検査システム、磁性体検査装置および磁性体検査方法

Similar Documents

Publication Publication Date Title
JPS56137151A (en) Multi-frequency type apparatus for and method of testing eddy current
IL54031A0 (en) Method and apparatus for the detection of microorganismus
JPS5435845A (en) Method and apparatus for butttwelding metallmembers with irregularrcrossssection using induction
GB2007366B (en) Eddycurrent flaw detection apparatus
ZA811289B (en) Methods and apparatus for fault detection
JPS5399379A (en) Identifying method and apparatus for microorganism
EP0176620A3 (en) Method and apparatus for detecting movable object method and apparatus for detecting movable object
GB1557512A (en) Method and an apparatus for detecting the presence of yarnirregularities
JPS5233791A (en) Method and device for nonndestructive test by eddy current
GB2138145B (en) Method and apparatus for continuously measuring distance utilizing eddy currents
JPS5342065A (en) Method of and apparatus for wear detection
JPS53115287A (en) Method and apparatus for leak detection
JPS52156690A (en) Method and apparatus for carbon oxide detection
GB2000300B (en) Method and apparatus for leak detection
DE3066364D1 (en) Method and apparatus for eddy current testing of metallic products and application of the method and apparatus
DE3068908D1 (en) Eddy current inspection apparatus and probe
JPS5415439A (en) Method and apparatus for electrolytic processing
JPS5490545A (en) Method of and apparatus for detecting corona
JPS52119367A (en) Method and apparatus for detecting voltage using phototransformer
JPS53121648A (en) Detecting method of ferromagnetic substances and apparatus for carrying out the method
JPS53142289A (en) Method and apparatus for alternating current magnetic crack detection
JPS53131862A (en) Apparatus and method of inspection and discrimination for parts
AU528607B2 (en) Magnetic detection apparatus + method
JPS5280148A (en) Contactless measuring method and apparatus for same
JPS5427491A (en) Defect distinguishing apparatus by fluorecent magnetic crack detection