FR2556838B1 - Procede pour detecter quantitativement la reaction de decarburation dans le processus de fabrication d'une tole d'acier electrique - Google Patents

Procede pour detecter quantitativement la reaction de decarburation dans le processus de fabrication d'une tole d'acier electrique

Info

Publication number
FR2556838B1
FR2556838B1 FR8419557A FR8419557A FR2556838B1 FR 2556838 B1 FR2556838 B1 FR 2556838B1 FR 8419557 A FR8419557 A FR 8419557A FR 8419557 A FR8419557 A FR 8419557A FR 2556838 B1 FR2556838 B1 FR 2556838B1
Authority
FR
France
Prior art keywords
manufacturing
steel sheet
electric steel
quantitatively detecting
decarburization reaction
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
FR8419557A
Other languages
English (en)
French (fr)
Other versions
FR2556838A1 (fr
Inventor
Tohru Iuchi
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
Priority claimed from JP58240678A external-priority patent/JPS60131446A/ja
Priority claimed from JP59009192A external-priority patent/JPS60166846A/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of FR2556838A1 publication Critical patent/FR2556838A1/fr
Application granted granted Critical
Publication of FR2556838B1 publication Critical patent/FR2556838B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
    • G01N25/66—Investigating or analyzing materials by the use of thermal means by investigating moisture content by investigating dew-point

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
FR8419557A 1983-12-20 1984-12-20 Procede pour detecter quantitativement la reaction de decarburation dans le processus de fabrication d'une tole d'acier electrique Expired FR2556838B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58240678A JPS60131446A (ja) 1983-12-20 1983-12-20 炉内露点測定方法
JP59009192A JPS60166846A (ja) 1984-01-20 1984-01-20 電磁鋼板製造プロセスにおける脱炭反応計測方法

Publications (2)

Publication Number Publication Date
FR2556838A1 FR2556838A1 (fr) 1985-06-21
FR2556838B1 true FR2556838B1 (fr) 1988-10-21

Family

ID=26343874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8419557A Expired FR2556838B1 (fr) 1983-12-20 1984-12-20 Procede pour detecter quantitativement la reaction de decarburation dans le processus de fabrication d'une tole d'acier electrique

Country Status (7)

Country Link
US (1) US4647319A (enExample)
BE (1) BE901317A (enExample)
CA (1) CA1235925A (enExample)
DE (1) DE3446193A1 (enExample)
FR (1) FR2556838B1 (enExample)
GB (1) GB2153520B (enExample)
IT (1) IT1177473B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8609619D0 (en) * 1986-04-19 1986-05-21 Procal Analytics Gas analysis
FR2676280B1 (fr) * 1991-05-10 1994-08-05 Lorraine Laminage Dispositif de mesure de la quantite d'un constituant contenu dans un echantillon de produit brule dans un four.
DE4203166C2 (de) * 1992-02-05 1995-05-04 Erno Raumfahrttechnik Gmbh Vorrichtung zur Analyse von Gasen oder Gasgemischen, insbesondere von Spurengasen, mittels Infrarotspektroskopie
US5472520A (en) * 1993-12-24 1995-12-05 Kawasaki Steel Corporation Method of controlling oxygen deposition during decarbutization annealing on steel sheets
FR2824130B1 (fr) * 2001-04-26 2003-12-12 Air Liquide Procede de controle d'un produit traite dans un four et four ainsi equipe de moyens de contole
FR2835613B1 (fr) * 2002-02-06 2004-10-01 Air Liquide Procede et dispositif de determination de la concentration de carbone dans de l'acier liquide
US20050000596A1 (en) * 2003-05-14 2005-01-06 Ak Properties Inc. Method for production of non-oriented electrical steel strip
FR2859467B1 (fr) * 2003-09-09 2007-03-02 Air Liquide Procede de controle de la fusion de verre dans un four
FR2859468B1 (fr) * 2003-09-09 2006-02-17 Air Liquide Procede de controle de la fusion de verre dans la zone d'affinage d'un four
CN103134771A (zh) * 2013-02-02 2013-06-05 浙江大学 Co浓度和能见度检测仪及其检测方法
WO2019013351A1 (ja) * 2017-07-13 2019-01-17 新日鐵住金株式会社 方向性電磁鋼板及びその製造方法
JP6915690B2 (ja) 2017-07-13 2021-08-04 日本製鉄株式会社 方向性電磁鋼板

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886478A (en) * 1953-06-29 1959-05-12 Honeywell Regulator Co Method and control apparatus for carburizing ferrous objects
US2914434A (en) * 1956-04-11 1959-11-24 Harold L Snavely Method for controlling atmospheres while heat treating steel
FR1402856A (fr) * 1963-12-03 1965-06-18 Siderurgie Fse Inst Rech Procédé et dispositif de surveillance des réactions d'oxydation en cours d'affinage d'un bain métallique
JPS4955386A (enExample) * 1972-04-27 1974-05-29
JPS54160514A (en) * 1978-06-09 1979-12-19 Nippon Steel Corp Decarburization and annealing method for directional electromagnetic steel plate
JPS55128530A (en) * 1979-03-24 1980-10-04 Nippon Steel Corp Method and apparatus for controlling atmosphere of direct fire heating type deoxidizing furnace
US4288062A (en) * 1979-08-09 1981-09-08 Holcroft Apparatus for control and monitoring of the carbon potential of an atmosphere in a heat-processing furnace
JPS5843691A (ja) * 1981-09-09 1983-03-14 Nec Corp トランク回路
JPS5932528B2 (ja) * 1981-09-26 1984-08-09 川崎製鉄株式会社 磁気特性のすぐれた一方向性けい素鋼板の製造方法

Also Published As

Publication number Publication date
DE3446193C2 (enExample) 1987-10-22
US4647319A (en) 1987-03-03
GB2153520B (en) 1987-04-23
GB8431441D0 (en) 1985-01-23
IT1177473B (it) 1987-08-26
CA1235925A (en) 1988-05-03
FR2556838A1 (fr) 1985-06-21
GB2153520A (en) 1985-08-21
BE901317A (fr) 1985-04-16
IT8424146A0 (it) 1984-12-20
DE3446193A1 (de) 1985-06-27

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Legal Events

Date Code Title Description
ST Notification of lapse