JPS59231445A - 交番電流による変態量率の測定方法 - Google Patents

交番電流による変態量率の測定方法

Info

Publication number
JPS59231445A
JPS59231445A JP10731383A JP10731383A JPS59231445A JP S59231445 A JPS59231445 A JP S59231445A JP 10731383 A JP10731383 A JP 10731383A JP 10731383 A JP10731383 A JP 10731383A JP S59231445 A JPS59231445 A JP S59231445A
Authority
JP
Japan
Prior art keywords
rate
coil
transformation
metamorphosis
subject
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
JP10731383A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0249659B2 (enExample
Inventor
Katsuhiro Kawashima
川島　捷宏
Masaaki Hatta
八田　雅明
Hiroshi Yada
浩 矢田
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 JP10731383A priority Critical patent/JPS59231445A/ja
Priority to PCT/JP1984/000309 priority patent/WO1985000058A1/ja
Priority to DE8484902367T priority patent/DE3477423D1/de
Priority to US06/705,467 priority patent/US4740747A/en
Priority to EP84902367A priority patent/EP0146638B1/en
Publication of JPS59231445A publication Critical patent/JPS59231445A/ja
Publication of JPH0249659B2 publication Critical patent/JPH0249659B2/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
    • G01N27/9053—Compensating for probe to workpiece spacing

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)
JP10731383A 1983-06-15 1983-06-15 交番電流による変態量率の測定方法 Granted JPS59231445A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP10731383A JPS59231445A (ja) 1983-06-15 1983-06-15 交番電流による変態量率の測定方法
PCT/JP1984/000309 WO1985000058A1 (fr) 1983-06-15 1984-06-14 Procede et dispositif de mesure d'une vitesse de transformation
DE8484902367T DE3477423D1 (en) 1983-06-15 1984-06-14 Method for measuring transformation rate
US06/705,467 US4740747A (en) 1983-06-15 1984-06-14 Method of and apparatus for measuring transformation degree
EP84902367A EP0146638B1 (en) 1983-06-15 1984-06-14 Method for measuring transformation rate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10731383A JPS59231445A (ja) 1983-06-15 1983-06-15 交番電流による変態量率の測定方法

Publications (2)

Publication Number Publication Date
JPS59231445A true JPS59231445A (ja) 1984-12-26
JPH0249659B2 JPH0249659B2 (enExample) 1990-10-30

Family

ID=14455904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10731383A Granted JPS59231445A (ja) 1983-06-15 1983-06-15 交番電流による変態量率の測定方法

Country Status (1)

Country Link
JP (1) JPS59231445A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020032040A1 (ja) * 2018-08-06 2020-02-13 東芝エネルギーシステムズ株式会社 渦電流探傷装置および渦電流探傷方法
JP2021152527A (ja) * 2020-03-24 2021-09-30 国立大学法人九州工業大学 金属組織変化検出方法及び金属組織変化検出装置
JP2021526655A (ja) * 2018-06-01 2021-10-07 サントル・ドゥ・ルシェルシェ・メタリュルジク・アエスベエル−セントルム・フォール・リサーチ・イン・デ・メタルルージエ・フェーゼットヴェー 鋼中のオーステナイトの比率のインライン測定のための装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5682443A (en) * 1979-12-11 1981-07-06 Nippon Steel Corp Transformation rate measuring apparatus of steel material
JPS56168545A (en) * 1980-04-24 1981-12-24 Siemens Ag Method of and apparatus for monitoring structural condition of annealed cold rolled strip

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5682443A (en) * 1979-12-11 1981-07-06 Nippon Steel Corp Transformation rate measuring apparatus of steel material
JPS56168545A (en) * 1980-04-24 1981-12-24 Siemens Ag Method of and apparatus for monitoring structural condition of annealed cold rolled strip

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021526655A (ja) * 2018-06-01 2021-10-07 サントル・ドゥ・ルシェルシェ・メタリュルジク・アエスベエル−セントルム・フォール・リサーチ・イン・デ・メタルルージエ・フェーゼットヴェー 鋼中のオーステナイトの比率のインライン測定のための装置
WO2020032040A1 (ja) * 2018-08-06 2020-02-13 東芝エネルギーシステムズ株式会社 渦電流探傷装置および渦電流探傷方法
JP2020024097A (ja) * 2018-08-06 2020-02-13 東芝エネルギーシステムズ株式会社 渦電流探傷装置および渦電流探傷方法
US11598750B2 (en) 2018-08-06 2023-03-07 Toshiba Energy Systems & Solutions Corporation Eddy current flaw detection device and eddy current flaw detection method
JP2021152527A (ja) * 2020-03-24 2021-09-30 国立大学法人九州工業大学 金属組織変化検出方法及び金属組織変化検出装置

Also Published As

Publication number Publication date
JPH0249659B2 (enExample) 1990-10-30

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