JPH0376707B2 - - Google Patents

Info

Publication number
JPH0376707B2
JPH0376707B2 JP58102274A JP10227483A JPH0376707B2 JP H0376707 B2 JPH0376707 B2 JP H0376707B2 JP 58102274 A JP58102274 A JP 58102274A JP 10227483 A JP10227483 A JP 10227483A JP H0376707 B2 JPH0376707 B2 JP H0376707B2
Authority
JP
Japan
Prior art keywords
magnetic field
inspected
magnetic
steel pipe
defects
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.)
Expired - Lifetime
Application number
JP58102274A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59226858A (ja
Inventor
Tetsuya Hirota
Tatsuo Hiroshima
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 JP58102274A priority Critical patent/JPS59226858A/ja
Priority to US06/502,547 priority patent/US4602212A/en
Publication of JPS59226858A publication Critical patent/JPS59226858A/ja
Publication of JPH0376707B2 publication Critical patent/JPH0376707B2/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
    • 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

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)
JP58102274A 1982-06-14 1983-06-07 探傷装置 Granted JPS59226858A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58102274A JPS59226858A (ja) 1983-06-07 1983-06-07 探傷装置
US06/502,547 US4602212A (en) 1982-06-14 1983-06-09 Method and apparatus including a flux leakage and eddy current sensor for detecting surface flaws in metal products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58102274A JPS59226858A (ja) 1983-06-07 1983-06-07 探傷装置

Publications (2)

Publication Number Publication Date
JPS59226858A JPS59226858A (ja) 1984-12-20
JPH0376707B2 true JPH0376707B2 (en]) 1991-12-06

Family

ID=14323019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58102274A Granted JPS59226858A (ja) 1982-06-14 1983-06-07 探傷装置

Country Status (1)

Country Link
JP (1) JPS59226858A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0711508B2 (ja) * 1987-03-10 1995-02-08 住友金属工業株式会社 漏洩磁束探傷方法
JPH02103461A (ja) * 1988-10-13 1990-04-16 Mitsubishi Heavy Ind Ltd ケーブル探傷装置
JP2004281624A (ja) * 2003-03-14 2004-10-07 Toei Scientific Industrial Co Ltd パーマロイを磁心に用いた磁気物性測定用電磁石
RU2610931C1 (ru) * 2015-11-10 2017-02-17 Общество с ограниченной ответственностью "АльфаСервис" Способ вихретокового контроля электропроводящих объектов и устройство для его реализации
JP6783601B2 (ja) * 2016-09-21 2020-11-11 川辺食品 株式会社 異物検出装置
JP7314842B2 (ja) * 2020-03-13 2023-07-26 横河電機株式会社 磁化装置及び着磁方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5177379A (ja) * 1974-12-27 1976-07-05 Tokushu Toryo Kk Jikitanshosochi
JPS52162191U (en]) * 1976-06-03 1977-12-08
JPS59114456A (ja) * 1982-12-21 1984-07-02 Shimadzu Corp 磁気探傷装置

Also Published As

Publication number Publication date
JPS59226858A (ja) 1984-12-20

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