GB2092183A - Method of controlling furnace atmospheres - Google Patents

Method of controlling furnace atmospheres Download PDF

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Publication number
GB2092183A
GB2092183A GB8200827A GB8200827A GB2092183A GB 2092183 A GB2092183 A GB 2092183A GB 8200827 A GB8200827 A GB 8200827A GB 8200827 A GB8200827 A GB 8200827A GB 2092183 A GB2092183 A GB 2092183A
Authority
GB
United Kingdom
Prior art keywords
atmosphere
controlling
furnace
hydrocarbon
flow
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.)
Withdrawn
Application number
GB8200827A
Other languages
English (en)
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.)
Holcroft and Co
Original Assignee
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 Holcroft and Co filed Critical Holcroft and Co
Publication of GB2092183A publication Critical patent/GB2092183A/en
Withdrawn legal-status Critical Current

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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)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)
GB8200827A 1981-01-14 1982-01-12 Method of controlling furnace atmospheres Withdrawn GB2092183A (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
GB2092183A true GB2092183A (en) 1982-08-11

Family

ID=22842495

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8200827A Withdrawn GB2092183A (en) 1981-01-14 1982-01-12 Method of controlling furnace atmospheres

Country Status (5)

Country Link
JP (1) JPS57140821A (de)
DE (1) DE3149212A1 (de)
ES (1) ES8300867A1 (de)
FR (1) FR2500848A1 (de)
GB (1) GB2092183A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096602A1 (de) * 1982-05-28 1983-12-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Verfahren zur Wärmebehandlung von metallischen Werkstücken durch Aufkohlung
EP0155477A2 (de) * 1984-02-04 1985-09-25 Nicolai, Stephan Peter Verfahren zur Herstellung von halbsynthetischen Schutz- und Reaktionsgasen zur Wärmebehandlung von Stahl-und Metallwerkstoffen, bestehend aus einer Mischung unterschiedlich wählbarer Mengen von Stickstoff, Wasserstoff, Kohlenmonoxyd, Kohlendioxyd sowie Wasserdampf
DE3436267A1 (de) * 1984-10-03 1986-05-15 Process-Electronic Analyse- und Regelgeräte GmbH, 7336 Uhingen Verfahren zum regeln des kohlenstoffpegels in einem gasaufkohlungsofen
FR2586259A1 (fr) * 1985-08-14 1987-02-20 Air Liquide Procede de cementation rapide dans un four continu
US5795406A (en) * 1995-12-28 1998-08-18 Dowa Mining Co., Ltd. Cementation method of metals
US6106636A (en) * 1997-02-18 2000-08-22 Dowa Mining Co., Ltd. Method and apparatus for controlling the atmosphere in a 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5607453B2 (ja) * 2010-08-02 2014-10-15 日本エア・リキード株式会社 熱処理雰囲気ガスの供給装置および供給方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096602A1 (de) * 1982-05-28 1983-12-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Verfahren zur Wärmebehandlung von metallischen Werkstücken durch Aufkohlung
EP0155477A2 (de) * 1984-02-04 1985-09-25 Nicolai, Stephan Peter Verfahren zur Herstellung von halbsynthetischen Schutz- und Reaktionsgasen zur Wärmebehandlung von Stahl-und Metallwerkstoffen, bestehend aus einer Mischung unterschiedlich wählbarer Mengen von Stickstoff, Wasserstoff, Kohlenmonoxyd, Kohlendioxyd sowie Wasserdampf
EP0155477A3 (de) * 1984-02-04 1988-07-27 Nicolai, Stephan Peter Verfahren zur Herstellung von halbsynthetischen Schutz- und Reaktionsgasen zur Wärmebehandlung von Stahl-und Metallwerkstoffen, bestehend aus einer Mischung unterschiedlich wählbarer Mengen von Stickstoff, Wasserstoff, Kohlenmonoxyd, Kohlendioxyd sowie Wasserdampf
DE3436267A1 (de) * 1984-10-03 1986-05-15 Process-Electronic Analyse- und Regelgeräte GmbH, 7336 Uhingen Verfahren zum regeln des kohlenstoffpegels in einem gasaufkohlungsofen
FR2586259A1 (fr) * 1985-08-14 1987-02-20 Air Liquide Procede de cementation rapide dans un four continu
EP0213991A1 (de) * 1985-08-14 1987-03-11 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Beschleunigtes Karburierungsverfahren in einem kontinuierlichen Ofen
US4769090A (en) * 1985-08-14 1988-09-06 L'air Liquide Rapid carburizing process in a continuous furnace
US5795406A (en) * 1995-12-28 1998-08-18 Dowa Mining Co., Ltd. Cementation method of metals
US6106636A (en) * 1997-02-18 2000-08-22 Dowa Mining Co., Ltd. Method and apparatus for controlling the atmosphere in a 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

Also Published As

Publication number Publication date
FR2500848A1 (fr) 1982-09-03
ES508674A0 (es) 1982-11-01
ES8300867A1 (es) 1982-11-01
DE3149212A1 (de) 1982-08-05
JPS57140821A (en) 1982-08-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)