DE2657644A1 - Gasmischung zum einfuehren in einen eisenmetallbehandlungsofen - Google Patents

Gasmischung zum einfuehren in einen eisenmetallbehandlungsofen

Info

Publication number
DE2657644A1
DE2657644A1 DE19762657644 DE2657644A DE2657644A1 DE 2657644 A1 DE2657644 A1 DE 2657644A1 DE 19762657644 DE19762657644 DE 19762657644 DE 2657644 A DE2657644 A DE 2657644A DE 2657644 A1 DE2657644 A1 DE 2657644A1
Authority
DE
Germany
Prior art keywords
carbon dioxide
volume
furnace
methane
mixture
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Withdrawn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
DE19762657644
Other languages
German (de)
English (en)
Inventor
Edward John Arndt
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals Inc
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 Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Publication of DE2657644A1 publication Critical patent/DE2657644A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • C23C8/28—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 more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials 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)
DE19762657644 1975-12-22 1976-12-20 Gasmischung zum einfuehren in einen eisenmetallbehandlungsofen Withdrawn DE2657644A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/643,348 US4049472A (en) 1975-12-22 1975-12-22 Atmosphere compositions and methods of using same for surface treating ferrous metals

Publications (1)

Publication Number Publication Date
DE2657644A1 true DE2657644A1 (de) 1977-06-30

Family

ID=24580431

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762657644 Withdrawn DE2657644A1 (de) 1975-12-22 1976-12-20 Gasmischung zum einfuehren in einen eisenmetallbehandlungsofen

Country Status (7)

Country Link
US (1) US4049472A (US07816562-20101019-C00012.png)
BE (1) BE849595A (US07816562-20101019-C00012.png)
CA (1) CA1073325A (US07816562-20101019-C00012.png)
DE (1) DE2657644A1 (US07816562-20101019-C00012.png)
FR (1) FR2336485A1 (US07816562-20101019-C00012.png)
GB (1) GB1562739A (US07816562-20101019-C00012.png)
ZA (1) ZA766691B (US07816562-20101019-C00012.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106961A1 (de) * 1982-08-18 1984-05-02 Linde Aktiengesellschaft Verfahren zum Herstellen einer Gasatmosphäre für das Glühen metallischer Werkstücke
DE19818272C1 (de) * 1998-04-23 2000-01-05 Air Liquide Gmbh Gasgemisch sowie Verfahren zur thermischen Behandlung metallischer Werkstücke unter Verwendung des Gasgemisches

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1471880A (en) * 1973-10-26 1977-04-27 Air Prod & Chem Furnace atmosphere for the heat treatment of ferrous metal
US4106931A (en) * 1977-05-18 1978-08-15 Airco, Inc. Methods for sintering powder metallurgy parts
US4145232A (en) * 1977-06-03 1979-03-20 Union Carbide Corporation Process for carburizing steel
US4193825A (en) * 1977-06-28 1980-03-18 Kayaba Industry Co., Ltd. Method of carbon nitriding a metal workpiece
US4175986A (en) * 1978-10-19 1979-11-27 Trw Inc. Inert carrier gas heat treating control process
FR2446322A2 (fr) * 1979-01-15 1980-08-08 Air Liquide Procede de traitement thermique de l'acier et de controle dudit traitement
US4342605A (en) * 1979-07-05 1982-08-03 Honda Giken Kogyo Kabushiki Kaisha Gas soft-nitriding method
DE3071318D1 (en) * 1979-07-09 1986-02-13 Ford Motor Co Method of heat treating ferrous workpieces
US4359351A (en) * 1979-10-23 1982-11-16 Air Products And Chemicals, Inc. Protective atmosphere process for annealing and or spheroidizing ferrous metals
US4285742A (en) * 1979-11-29 1981-08-25 Boc Limited Heat treatment method
US4306918A (en) * 1980-04-22 1981-12-22 Air Products And Chemicals, Inc. Process for carburizing ferrous metals
DE3235807A1 (de) * 1981-10-01 1983-04-21 Kabushiki Kaisha Komatsu Seisakusho, Tokyo Oberflaechenhaertung von stahl durch waermebehandlung
US4414043A (en) * 1982-01-22 1983-11-08 United States Steel Corporation Continuous decarburization annealing with recycle to convert carbon monoxide
DE3432952C2 (de) * 1984-09-07 1994-09-22 Linde Ag Verfahren und Vorrichtung zum Wärmebehandeln von metallischen Werkstücken
BR8404963A (pt) * 1984-10-02 1986-05-06 Aichelin Ind E Comercio De For Processo para o enriquecimento da atmosfera de fornos de tratamentos termoquimicos de carbonetacao e carbonitretacao
FR2586258B1 (fr) * 1985-08-14 1987-10-30 Air Liquide Procede pour la cementation rapide et homogene d'une charge dans un four
FR2586259B1 (fr) * 1985-08-14 1987-10-30 Air Liquide Procede de cementation rapide dans un four continu
GB8608717D0 (en) * 1986-04-10 1986-05-14 Lucas Ind Plc Metal components
FR2623209B1 (fr) * 1987-11-17 1993-09-03 Air Liquide Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure
FR2649123B1 (fr) * 1989-06-30 1991-09-13 Air Liquide Procede de traitement thermique de metaux
US5827375A (en) * 1993-07-23 1998-10-27 Barbour; George E. Process for carburizing ferrous metal parts
US6287393B1 (en) 1999-09-03 2001-09-11 Air Products And Chemicals, Inc. Process for producing carburizing atmospheres
US7468107B2 (en) * 2002-05-01 2008-12-23 General Motors Corporation Carburizing method
US20030226620A1 (en) * 2002-06-05 2003-12-11 Van Den Sype Jaak Stefaan Process and apparatus for producing amtospheres for high productivity carburizing
US6969430B2 (en) * 2002-06-05 2005-11-29 Praxair Technology, Inc. Process and apparatus for producing atmosphere for high productivity carburizing
PL204747B1 (pl) * 2002-10-31 2010-02-26 Politechnika & Lstrok Odzka Sposób nawęglania wyrobów stalowych w podciśnieniu
WO2012048669A1 (de) 2010-10-11 2012-04-19 Ipsen International Gmbh Verfahren und einrichtung zum aufkohlen und carbonitrieren von metallischen werkstoffen
WO2014031053A1 (en) * 2012-08-21 2014-02-27 Aktiebolaget Skf (Publ) Method for heat treating a steel component and a steel component
DE102013104806A1 (de) * 2013-05-08 2014-11-13 Sandvik Materials Technology Deutschland Gmbh Bandofen
US9540721B2 (en) 2013-06-12 2017-01-10 George E. Barbour Method of carburizing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE632935C (de) * 1931-05-16 1936-07-16 Benno Schilde Maschb Akt Ges Verfahren und Einrichtung zur Oberflaechenkohlung von Eisen und Stahl
US1932032A (en) * 1932-01-28 1933-10-24 Surface Combustion Corp Continuous carburizing process
US3229967A (en) * 1962-10-29 1966-01-18 Temperature Proc Co Inc Device for annealing workpieces
US3330773A (en) * 1963-03-28 1967-07-11 Du Pont Process for preparing gaseous mixtures
CH448673A (fr) * 1965-12-09 1967-12-15 Four Electr Delemont Sa Du Procédé de cémentation gazeuse d'acier
US3663315A (en) * 1969-03-26 1972-05-16 Union Carbide Corp Gas carburization and carbonitriding
GB1471880A (en) * 1973-10-26 1977-04-27 Air Prod & Chem Furnace atmosphere for the heat treatment of ferrous metal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106961A1 (de) * 1982-08-18 1984-05-02 Linde Aktiengesellschaft Verfahren zum Herstellen einer Gasatmosphäre für das Glühen metallischer Werkstücke
DE19818272C1 (de) * 1998-04-23 2000-01-05 Air Liquide Gmbh Gasgemisch sowie Verfahren zur thermischen Behandlung metallischer Werkstücke unter Verwendung des Gasgemisches

Also Published As

Publication number Publication date
US4049472A (en) 1977-09-20
FR2336485B1 (US07816562-20101019-C00012.png) 1981-11-13
GB1562739A (en) 1980-03-12
FR2336485A1 (fr) 1977-07-22
CA1073325A (en) 1980-03-11
BE849595A (fr) 1977-04-15
ZA766691B (en) 1977-10-26

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