JPS6123962A - 渦流による組織むら検出方法 - Google Patents

渦流による組織むら検出方法

Info

Publication number
JPS6123962A
JPS6123962A JP14331584A JP14331584A JPS6123962A JP S6123962 A JPS6123962 A JP S6123962A JP 14331584 A JP14331584 A JP 14331584A JP 14331584 A JP14331584 A JP 14331584A JP S6123962 A JPS6123962 A JP S6123962A
Authority
JP
Japan
Prior art keywords
detected
probe
roll
eddy current
unevenness
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.)
Granted
Application number
JP14331584A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0439621B2 (show.php
Inventor
Toyoki Suetsugu
末次　豊紀
Masayuki Mitsumoto
光本　正幸
Masahiko Oshima
昌彦 大島
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP14331584A priority Critical patent/JPS6123962A/ja
Publication of JPS6123962A publication Critical patent/JPS6123962A/ja
Publication of JPH0439621B2 publication Critical patent/JPH0439621B2/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
    • G01N27/904—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 with two or more sensors

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)
JP14331584A 1984-07-12 1984-07-12 渦流による組織むら検出方法 Granted JPS6123962A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14331584A JPS6123962A (ja) 1984-07-12 1984-07-12 渦流による組織むら検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14331584A JPS6123962A (ja) 1984-07-12 1984-07-12 渦流による組織むら検出方法

Publications (2)

Publication Number Publication Date
JPS6123962A true JPS6123962A (ja) 1986-02-01
JPH0439621B2 JPH0439621B2 (show.php) 1992-06-30

Family

ID=15335916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14331584A Granted JPS6123962A (ja) 1984-07-12 1984-07-12 渦流による組織むら検出方法

Country Status (1)

Country Link
JP (1) JPS6123962A (show.php)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11183442A (ja) * 1997-12-22 1999-07-09 Sumitomo Metal Ind Ltd 圧延ロールのクラック探傷方法およびその装置
JP2018124265A (ja) * 2017-01-31 2018-08-09 Ｊｆｅスチール株式会社 方向性電磁鋼板の加工状態評価方法、加工状態評価装置、及び製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS528886A (en) * 1975-07-09 1977-01-24 Kubota Ltd Cast iron pipe structure judging unit
JPS5730971A (en) * 1980-07-31 1982-02-19 Ponii Sangyo Kk Metal detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS528886A (en) * 1975-07-09 1977-01-24 Kubota Ltd Cast iron pipe structure judging unit
JPS5730971A (en) * 1980-07-31 1982-02-19 Ponii Sangyo Kk Metal detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11183442A (ja) * 1997-12-22 1999-07-09 Sumitomo Metal Ind Ltd 圧延ロールのクラック探傷方法およびその装置
JP2018124265A (ja) * 2017-01-31 2018-08-09 Ｊｆｅスチール株式会社 方向性電磁鋼板の加工状態評価方法、加工状態評価装置、及び製造方法

Also Published As

Publication number Publication date
JPH0439621B2 (show.php) 1992-06-30

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees