JPS6325302B2 - - Google Patents

Info

Publication number
JPS6325302B2
JPS6325302B2 JP56200135A JP20013581A JPS6325302B2 JP S6325302 B2 JPS6325302 B2 JP S6325302B2 JP 56200135 A JP56200135 A JP 56200135A JP 20013581 A JP20013581 A JP 20013581A JP S6325302 B2 JPS6325302 B2 JP S6325302B2
Authority
JP
Japan
Prior art keywords
hardness
steel plate
electromagnet
strength
magnetic
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
Application number
JP56200135A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58102148A (ja
Inventor
Mamoru Akyama
Akira Takahashi
Toshio Tamya
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 Steel Corp
Original Assignee
Kawasaki 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP20013581A priority Critical patent/JPS58102148A/ja
Priority to EP19820903590 priority patent/EP0096078B1/en
Priority to DE8282903590T priority patent/DE3275872D1/de
Priority to PCT/JP1982/000463 priority patent/WO1983002159A1/ja
Publication of JPS58102148A publication Critical patent/JPS58102148A/ja
Publication of JPS6325302B2 publication Critical patent/JPS6325302B2/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

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)
  • Measuring Magnetic Variables (AREA)
JP20013581A 1981-12-14 1981-12-14 鋼板のオンライン硬度測定方法 Granted JPS58102148A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP20013581A JPS58102148A (ja) 1981-12-14 1981-12-14 鋼板のオンライン硬度測定方法
EP19820903590 EP0096078B1 (en) 1981-12-14 1982-12-11 Method of measuring on-line hardness of steel plate
DE8282903590T DE3275872D1 (en) 1981-12-14 1982-12-11 Method of measuring on-line hardness of steel plate
PCT/JP1982/000463 WO1983002159A1 (en) 1981-12-14 1982-12-11 Method of measuring on-line hardness of steel plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20013581A JPS58102148A (ja) 1981-12-14 1981-12-14 鋼板のオンライン硬度測定方法

Publications (2)

Publication Number Publication Date
JPS58102148A JPS58102148A (ja) 1983-06-17
JPS6325302B2 true JPS6325302B2 (en, 2012) 1988-05-25

Family

ID=16419373

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20013581A Granted JPS58102148A (ja) 1981-12-14 1981-12-14 鋼板のオンライン硬度測定方法

Country Status (4)

Country Link
EP (1) EP0096078B1 (en, 2012)
JP (1) JPS58102148A (en, 2012)
DE (1) DE3275872D1 (en, 2012)
WO (1) WO1983002159A1 (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60239666A (ja) * 1984-05-15 1985-11-28 Hitachi Metals Ltd 鉄鋼製品の残留磁気による硬度検査装置
US4686471A (en) * 1984-10-09 1987-08-11 Kawasaki Steel Corporation System for online-detection of the transformation value and/or flatness of steel or a magnetic material by detecting changes in induced voltages due to interlinked magnetic fluxes in detecting coils
AT389945B (de) * 1986-02-17 1990-02-26 Evg Entwicklung Verwert Ges Verfahren zum ermitteln von fuer die metallurgischen und/oder mechanischen eigenschaften eines magnetisierbaren prueflings massgeblichen parametern auf zerstoerungsfreiem, magnetinduktivem wege, sowie einrichtung zum ausueben dieses verfahrens
NO162537C (no) * 1986-02-17 1990-01-10 Dam Patent A S Fremgangsmaate og anordning for ikke-destruktiv materialproevning.
SE451886B (sv) * 1986-10-10 1987-11-02 Sten Linder Sett och anordning for beroringsfri metning av storheter hos eller i anslutning till elektriskt ledande material
DE3923377C1 (en, 2012) * 1988-12-29 1990-07-26 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen, De
JP2002250911A (ja) * 2001-02-26 2002-09-06 Nec Corp 液晶モジュールと、液晶モジュールを用いたスイッチ構造
EP1308721B1 (en) * 2001-11-02 2006-07-26 Corus Technology BV Device and method for detecting magnetic properties of a metal object
JP2008111753A (ja) * 2006-10-31 2008-05-15 Osaka Univ レール検査装置
JP4998820B2 (ja) 2007-03-14 2012-08-15 住友金属工業株式会社 渦流検査方法及び該渦流検査方法を実施するための渦流検査装置
JP6948297B2 (ja) * 2017-09-04 2021-10-13 Ｊｆｅスチール株式会社 鋼板の製造方法、磁性材用表層硬さ計測装置及び鋼板の製造設備列
CN111487311B (zh) * 2019-12-13 2022-05-03 韦士肯(厦门)智能科技有限公司 一种硬度检测方法及系统
KR102326685B1 (ko) * 2019-12-20 2021-11-17 주식회사 포스코 강판 표면 재질 검사 장치 및 방법
CN113435497B (zh) * 2021-06-24 2022-07-01 桂林电子科技大学 基于硬度特性的煤岩界面多传感信息融合偏好识别方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1076168A (en) * 1963-06-12 1967-07-19 British Iron Steel Research Improvements in or relating to hardness determination
BE677084A (en, 2012) * 1966-02-25 1966-08-25
US3432747A (en) * 1967-01-23 1969-03-11 Api Instr Co Spot recording and pickup methods and apparatus for the determination of hardness of relatively moving magnetic material without contacting the same
GB1311907A (en) * 1970-06-19 1973-03-28 British Steel Corp Apparatus for the magnetic testing of metal strip
JPS4853957A (en, 2012) * 1971-11-10 1973-07-28
JPS5329109B2 (en, 2012) * 1973-04-03 1978-08-18
US3939404A (en) * 1974-07-10 1976-02-17 Dominion Foundries And Steel, Limited Method of testing for and preventing the possibility of cracking, spalling or like defects in rolling mill rolls by determining the rate of change in hardness
JPS5146432A (ja) * 1974-10-18 1976-04-20 Matsushita Electric Ind Co Ltd Nenshosochi
JPS5322452A (en) * 1976-08-13 1978-03-01 Toshiba Mach Co Ltd Size measuring device

Also Published As

Publication number Publication date
EP0096078A1 (en) 1983-12-21
JPS58102148A (ja) 1983-06-17
WO1983002159A1 (en) 1983-06-23
EP0096078B1 (en) 1987-03-25
DE3275872D1 (en) 1987-04-30
EP0096078A4 (en) 1984-05-29

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