[go: up one dir, main page]

JPH0141217B2 - - Google Patents

Info

Publication number
JPH0141217B2
JPH0141217B2 JP2055983A JP2055983A JPH0141217B2 JP H0141217 B2 JPH0141217 B2 JP H0141217B2 JP 2055983 A JP2055983 A JP 2055983A JP 2055983 A JP2055983 A JP 2055983A JP H0141217 B2 JPH0141217 B2 JP H0141217B2
Authority
JP
Japan
Prior art keywords
steel plate
hardness
strength
residual magnetism
electromagnet
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
JP2055983A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59147253A (ja
Inventor
Mamoru Akyama
Akira Takahashi
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 JP2055983A priority Critical patent/JPS59147253A/ja
Publication of JPS59147253A publication Critical patent/JPS59147253A/ja
Publication of JPH0141217B2 publication Critical patent/JPH0141217B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating 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)
JP2055983A 1983-02-12 1983-02-12 鋼板のオンライン硬度測定方法 Granted JPS59147253A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2055983A JPS59147253A (ja) 1983-02-12 1983-02-12 鋼板のオンライン硬度測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2055983A JPS59147253A (ja) 1983-02-12 1983-02-12 鋼板のオンライン硬度測定方法

Publications (2)

Publication Number Publication Date
JPS59147253A JPS59147253A (ja) 1984-08-23
JPH0141217B2 true JPH0141217B2 (ru) 1989-09-04

Family

ID=12030512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2055983A Granted JPS59147253A (ja) 1983-02-12 1983-02-12 鋼板のオンライン硬度測定方法

Country Status (1)

Country Link
JP (1) JPS59147253A (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0773315B2 (ja) * 1985-02-21 1995-08-02 ソニー株式会社 電話装置
EP3575783A4 (en) * 2017-01-26 2020-09-09 Shimadzu Corporation DEVICE FOR EXAMINING A MAGNETIC BODY AND METHOD FOR EXAMINING A MAGNETIC BODY
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
JP7397318B2 (ja) * 2020-04-23 2023-12-13 日本製鉄株式会社 鋼板の製造方法、鋼管の製造方法、鋼板製造装置及びプログラム

Also Published As

Publication number Publication date
JPS59147253A (ja) 1984-08-23

Similar Documents

Publication Publication Date Title
US7437942B2 (en) Non-destructive evaluation via measurement of magnetic drag force
US4891992A (en) Torque detecting apparatus
EP0195434A2 (en) Contact-free, magnetic, stress and temperature sensor
US3609530A (en) Magnetic leakage field flaw detector with compensation for variation in spacing between magnetizer and test piece
EP0096078B1 (en) Method of measuring on-line hardness of steel plate
GB1590682A (en) Method of producing steel strip material involving obtaining a profile or other characteristic indicating quality of a coil of steel strip material and continuous testing apparatus for determining the magnetic characteristics of a strip of moving material including a method of obtaining a profile indicative of the quality of the strip throughout its entire length and flux inducing and pick up device therefor and continuous testing apparatus for determining the magnetic characteristics of a moving workpiece
JPS59108970A (ja) 鋼材の磁気特性測定方法
JPH0141217B2 (ru)
CN1231752C (zh) 对金属工件从非磁相到铁磁相转换度在线检测的方法和装置
EP1949024A2 (en) Non-destructive evaluation via measurement of magnetic drag force
US5136239A (en) Apparatus for measuring flux and other hysteretic properties in thin film recording discs
US4641093A (en) Method and device for magnetic testing of moving elongated ferromagnetic test piece for mechanical properties by utilizing the magnitude of remanent magnetic flux and a pulsed magnetic field
JPH04221757A (ja) 欠陥検出装置及び方法
JPH0750711Y2 (ja) 薄鋼帯の磁気探傷装置
JP2001228120A (ja) 鋼材のSi濃度測定方法
JPH0812178B2 (ja) 磁気探傷装置
JPH0264450A (ja) 材料の劣化検査装置
JP2663767B2 (ja) 変態率測定方法及びその装置
JP2890364B2 (ja) オンライン磁気診断ヘッド
JPS6370181A (ja) 磁気デイスク基板の残留磁化測定装置
SU1456860A1 (ru) Способ неразрушающего контрол магнитных характеристик ферромагнитных материалов
JPH09329584A (ja) 磁気ヘッド装置
SU1029068A1 (ru) Устройство дл электромагнитного контрол стального проката
JPH06308092A (ja) 材料劣化検査装置
JPH0252986B2 (ru)