JPS57140821A - Furnace atomospheric gas control - Google Patents

Furnace atomospheric gas control

Info

Publication number
JPS57140821A
JPS57140821A JP21010681A JP21010681A JPS57140821A JP S57140821 A JPS57140821 A JP S57140821A JP 21010681 A JP21010681 A JP 21010681A JP 21010681 A JP21010681 A JP 21010681A JP S57140821 A JPS57140821 A JP S57140821A
Authority
JP
Japan
Prior art keywords
furnace
gas control
atomospheric
atomospheric gas
control
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.)
Pending
Application number
JP21010681A
Other languages
Japanese (ja)
Inventor
Jiei Shiyuwarumu Danarudo
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.)
HORUKURAFUTO ANDO CO
Holcroft and Co
Original Assignee
HORUKURAFUTO ANDO CO
Holcroft and Co
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 HORUKURAFUTO ANDO CO, Holcroft and Co filed Critical HORUKURAFUTO ANDO CO
Publication of JPS57140821A publication Critical patent/JPS57140821A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)
JP21010681A 1981-01-14 1981-12-28 Furnace atomospheric gas control Pending JPS57140821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22484981A 1981-01-14 1981-01-14

Publications (1)

Publication Number Publication Date
JPS57140821A true JPS57140821A (en) 1982-08-31

Family

ID=22842495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21010681A Pending JPS57140821A (en) 1981-01-14 1981-12-28 Furnace atomospheric gas control

Country Status (5)

Country Link
JP (1) JPS57140821A (en)
DE (1) DE3149212A1 (en)
ES (1) ES508674A0 (en)
FR (1) FR2500848A1 (en)
GB (1) GB2092183A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012032113A (en) * 2010-08-02 2012-02-16 Air Liquide Japan Ltd Apparatus and method for supplying heat treatment atmospheric gas

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527641A1 (en) * 1982-05-28 1983-12-02 Air Liquide PROCESS FOR THERMALLY TREATING METALLIC PARTS THROUGH CARBURATION
DE3403987A1 (en) * 1984-02-04 1985-10-10 Nicolai, Stephan Peter, 4230 Wesel METHOD FOR THE PRODUCTION OF SEMI-SYNTHETIC PROTECTIVE AND REACTION GAS, ESPECIALLY FOR THE HEAT TREATMENT OF STEEL AND METAL MATERIALS, CONSISTING OF A MIXTURE OF DIFFERENTLY SELECTABLE QUANTITIES OF NITROGEN, OXYXIDE, WATER
DE3436267A1 (en) * 1984-10-03 1986-05-15 Process-Electronic Analyse- und Regelgeräte GmbH, 7336 Uhingen Process for controlling the carbon level in a gas carburisation furnace
FR2586259B1 (en) * 1985-08-14 1987-10-30 Air Liquide QUICK CEMENTATION PROCESS IN A CONTINUOUS OVEN
JP3460075B2 (en) * 1995-12-28 2003-10-27 同和鉱業株式会社 Metal carburizing method
JP3409236B2 (en) * 1997-02-18 2003-05-26 同和鉱業株式会社 Atmosphere control method of heat treatment furnace
US6635121B2 (en) * 2000-02-04 2003-10-21 American Air Liquide, Inc. Method and apparatus for controlling the decarburization of steel components in a furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012032113A (en) * 2010-08-02 2012-02-16 Air Liquide Japan Ltd Apparatus and method for supplying heat treatment atmospheric gas

Also Published As

Publication number Publication date
DE3149212A1 (en) 1982-08-05
ES8300867A1 (en) 1982-11-01
ES508674A0 (en) 1982-11-01
FR2500848A1 (en) 1982-09-03
GB2092183A (en) 1982-08-11

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