ES2116275T3 - Procedimiento de cementacion por gas. - Google Patents

Procedimiento de cementacion por gas.

Info

Publication number
ES2116275T3
ES2116275T3 ES91306003T ES91306003T ES2116275T3 ES 2116275 T3 ES2116275 T3 ES 2116275T3 ES 91306003 T ES91306003 T ES 91306003T ES 91306003 T ES91306003 T ES 91306003T ES 2116275 T3 ES2116275 T3 ES 2116275T3
Authority
ES
Spain
Prior art keywords
gas
sub
supplied
oxidation
oven
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 - Lifetime
Application number
ES91306003T
Other languages
English (en)
Inventor
Keishichi Nanba
Fumitaka Abukawa
Hitoshi Goi
Masahiko Watanaba
Yoshihiko Kitayama
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.)
Dowa Holdings Co Ltd
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
Dowa Mining Co Ltd
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 JP2175955A external-priority patent/JPH0651904B2/ja
Priority claimed from JP1990118042U external-priority patent/JP2537326Y2/ja
Application filed by Mitsubishi Motors Corp, Dowa Mining Co Ltd filed Critical Mitsubishi Motors Corp
Application granted granted Critical
Publication of ES2116275T3 publication Critical patent/ES2116275T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)

Abstract

ESTA INVENCION SE REFIERE A UN PROCESO DE CARBURIZACION POR MEDIO DEL CUAL UN ARTICULO ES TRATADO MEDIANTE LA ALIMENTACION DE GAS HIDROCARBONADO Y UN GAS DE OXIDACION DE GASES DE MATERIAS PRIMAS DIRECTAMENTE EN UN HORNO DE TRATAMIENTO ATMOSFERICO, CARACTERIZADO PORQUE, CUANDO LA PRESION DENTRO DEL HORNO ES NEGATIVA, CO SUB 2 ES ALIMENTADO COMO UN MEDIO DISOLVENTE A PRESION NEGATIVA. UN APARATO DE CARBURIZACION POR EL CUAL SE SUMINISTRA UN MECANISMO DE ENTRADA DE GAS PARA ALIMENTAR GAS HIDROCARBONADO Y UN GAS DE OXIDACION POR EL TECHO DE UN HORNO DE TRATAMIENTO ATMOSFERICO EN EL QUE Y CO SUB 2 ES ALIMENTADO COMO UN MEDIO DISOLVENTE DE LA PRESION NEGATIVA DENTRO DEL HORNO.
ES91306003T 1990-07-03 1991-07-02 Procedimiento de cementacion por gas. Expired - Lifetime ES2116275T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2175955A JPH0651904B2 (ja) 1990-07-03 1990-07-03 ガス浸炭方法
JP1990118042U JP2537326Y2 (ja) 1990-11-09 1990-11-09 浸炭熱処理炉のガスインレット構造

Publications (1)

Publication Number Publication Date
ES2116275T3 true ES2116275T3 (es) 1998-07-16

Family

ID=26456048

Family Applications (2)

Application Number Title Priority Date Filing Date
ES97114454T Expired - Lifetime ES2214571T3 (es) 1990-07-03 1991-07-02 Aparato de carburacion por gas.
ES91306003T Expired - Lifetime ES2116275T3 (es) 1990-07-03 1991-07-02 Procedimiento de cementacion por gas.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES97114454T Expired - Lifetime ES2214571T3 (es) 1990-07-03 1991-07-02 Aparato de carburacion por gas.

Country Status (5)

Country Link
US (1) US5133813A (es)
EP (2) EP0465226B1 (es)
KR (1) KR950001215B1 (es)
DE (2) DE69133356T2 (es)
ES (2) ES2214571T3 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4343927C1 (de) * 1993-12-22 1995-01-05 Linde Ag Verfahren zur Wärmebehandlung von Werkstücken unter Behandlungsgas
JP3448789B2 (ja) * 1995-01-20 2003-09-22 同和鉱業株式会社 ガス浸炭方法
DE19514932A1 (de) * 1995-04-22 1996-10-24 Ipsen Ind Int Gmbh Verfahren und Vorrichtung zur Regelung des CO-Gehaltes einer Ofenatmosphäre zum Aufkohlen und Carbonitrieren metallischer Werkstücke
JP3460075B2 (ja) * 1995-12-28 2003-10-27 同和鉱業株式会社 金属の浸炭方法
JP3378974B2 (ja) * 1995-12-28 2003-02-17 同和鉱業株式会社 金属の熱処理装置
JP5428032B2 (ja) * 2001-06-05 2014-02-26 Ｄｏｗａサーモテック株式会社 浸炭処理方法
JP5428031B2 (ja) * 2001-06-05 2014-02-26 Ｄｏｗａサーモテック株式会社 浸炭処理方法及びその装置
DE102008029001B3 (de) * 2008-06-20 2009-09-17 Ipsen International Gmbh Verfahren und Einrichtung zur Wärmebehandlung von metallischen Werkstoffen
DE102009038598B4 (de) 2009-08-26 2017-06-22 Ipsen International Gmbh Verfahren und Vorrichtung zur Aufbereitung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2000060A1 (de) * 1970-01-02 1971-07-08 Maag Zahnraeder & Maschinen Ag Verfahren zur Beschleunigung des Aufkohlens von Werkstuecken aus Stahl nach dem Generator-Traegergasverfahren
GB1471880A (en) * 1973-10-26 1977-04-27 Air Prod & Chem Furnace atmosphere for the heat treatment of ferrous metal
CH628092A5 (de) * 1978-03-21 1982-02-15 Ipsen Ind Int Gmbh Verfahren und vorrichtung zur regelung des kohlenstoffpegels eines chemisch reagierenden gasgemisches.
CA1174461A (en) * 1980-08-15 1984-09-18 Robert J. Peartree Method for removing carbonaceous deposits from heat treating furnaces
DE3038078A1 (de) * 1980-10-08 1982-05-06 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zum aufkohlen metallischer werkstuecke
JPS6050159A (ja) * 1983-08-29 1985-03-19 Hitachi Constr Mach Co Ltd ガス浸炭焼入方法
JPS61159567A (ja) * 1984-12-31 1986-07-19 Tokyo Netsu Shiyori Kogyo Kk ガス浸炭方法
FR2586259B1 (fr) * 1985-08-14 1987-10-30 Air Liquide Procede de cementation rapide dans un four continu
WO1992005295A1 (en) * 1986-08-12 1992-04-02 Nobuo Nishioka Gas carburizing process and apparatus
JPH0647714B2 (ja) * 1986-08-12 1994-06-22 三菱自動車工業株式会社 ガス浸炭方法

Also Published As

Publication number Publication date
EP0465226B1 (en) 1998-05-13
DE69129390T2 (de) 1999-02-11
ES2214571T3 (es) 2004-09-16
EP0825274A2 (en) 1998-02-25
KR920002817A (ko) 1992-02-28
EP0825274B1 (en) 2004-01-28
KR950001215B1 (ko) 1995-02-14
DE69129390D1 (de) 1998-06-18
DE69133356T2 (de) 2004-12-09
EP0465226A1 (en) 1992-01-08
US5133813A (en) 1992-07-28
DE69133356D1 (de) 2004-03-04
EP0825274A3 (en) 1998-05-13

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