JPH0335624B2 - - Google Patents

Info

Publication number
JPH0335624B2
JPH0335624B2 JP57102600A JP10260082A JPH0335624B2 JP H0335624 B2 JPH0335624 B2 JP H0335624B2 JP 57102600 A JP57102600 A JP 57102600A JP 10260082 A JP10260082 A JP 10260082A JP H0335624 B2 JPH0335624 B2 JP H0335624B2
Authority
JP
Japan
Prior art keywords
magnetic field
inspected
magnetic
defect
magnetic flux
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
JP57102600A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58218644A (ja
Inventor
Tatsuo Hiroshima
Tetsuya Hirota
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 JP57102600A priority Critical patent/JPS58218644A/ja
Priority to US06/502,547 priority patent/US4602212A/en
Priority to DE19833321375 priority patent/DE3321375A1/de
Publication of JPS58218644A publication Critical patent/JPS58218644A/ja
Publication of JPH0335624B2 publication Critical patent/JPH0335624B2/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
    • 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)
JP57102600A 1982-06-14 1982-06-14 金属材料の表面疵探傷方法及びその装置 Granted JPS58218644A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57102600A JPS58218644A (ja) 1982-06-14 1982-06-14 金属材料の表面疵探傷方法及びその装置
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
DE19833321375 DE3321375A1 (de) 1982-06-14 1983-06-14 Verfahren und vorrichtung zur messung von oberflaechenfehlstellen an metallen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57102600A JPS58218644A (ja) 1982-06-14 1982-06-14 金属材料の表面疵探傷方法及びその装置

Publications (2)

Publication Number Publication Date
JPS58218644A JPS58218644A (ja) 1983-12-19
JPH0335624B2 true JPH0335624B2 (ru) 1991-05-28

Family

ID=14331724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57102600A Granted JPS58218644A (ja) 1982-06-14 1982-06-14 金属材料の表面疵探傷方法及びその装置

Country Status (2)

Country Link
JP (1) JPS58218644A (ru)
DE (1) DE3321375A1 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018169361A (ja) * 2017-03-30 2018-11-01 国立大学法人名古屋大学 磁気計測装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492115A (en) * 1984-04-11 1985-01-08 Pa Incorporated Method and apparatus for measuring defects in ferromagnetic tubing
JPS61104250A (ja) * 1984-10-26 1986-05-22 Kawasaki Steel Corp 熱間渦流探傷装置
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
JPH0648262B2 (ja) * 1987-04-07 1994-06-22 日本鋼管株式会社 磁粉探傷装置
DE3937261C2 (de) * 1989-11-09 1996-04-11 Foerster Inst Dr Friedrich Rotierkopf zum Abtasten von metallischem Prüfgut
DE9011478U1 (ru) * 1990-08-07 1990-12-20 Nukem Gmbh, 8755 Alzenau, De
DE9011477U1 (ru) * 1990-08-07 1990-12-20 Nukem Gmbh, 8755 Alzenau, De
DE102008020194A1 (de) * 2008-04-16 2009-10-22 Institut Dr. Foerster Gmbh & Co. Kg Verfahren und Vorrichtung zum Detektieren von oberflächennahen Defekten mittels Streuflussmessung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667747A (en) * 1979-11-08 1981-06-08 Denshi Jiki Kogyo Kk Magnetic powder flaw detector for steel pipe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439730A (en) * 1981-05-08 1984-03-27 Amf Inc. Nondestructive inspection apparatus and method utilizing combined inspection signals obtained from orthogonal magnetic fields

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667747A (en) * 1979-11-08 1981-06-08 Denshi Jiki Kogyo Kk Magnetic powder flaw detector for steel pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018169361A (ja) * 2017-03-30 2018-11-01 国立大学法人名古屋大学 磁気計測装置

Also Published As

Publication number Publication date
DE3321375A1 (de) 1983-12-22
JPS58218644A (ja) 1983-12-19
DE3321375C2 (ru) 1987-04-02

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