DE69808975D1 - Verfahren zur Regulierung der Atmosphäre in einem Wärmebehandlungsofen - Google Patents

Verfahren zur Regulierung der Atmosphäre in einem Wärmebehandlungsofen

Info

Publication number
DE69808975D1
DE69808975D1 DE69808975T DE69808975T DE69808975D1 DE 69808975 D1 DE69808975 D1 DE 69808975D1 DE 69808975 T DE69808975 T DE 69808975T DE 69808975 T DE69808975 T DE 69808975T DE 69808975 D1 DE69808975 D1 DE 69808975D1
Authority
DE
Germany
Prior art keywords
regulating
atmosphere
heat treatment
treatment furnace
furnace
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
DE69808975T
Other languages
English (en)
Other versions
DE69808975T2 (de
Inventor
Takeshi Naito
Akihiro Wakatsuki
Kouichi Ogihara
Tadanori Nakahiro
Hideki Inoue
Yoshio Nakashima
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
Original Assignee
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
Application filed by Dowa Mining Co Ltd filed Critical Dowa Mining Co Ltd
Application granted granted Critical
Publication of DE69808975D1 publication Critical patent/DE69808975D1/de
Publication of DE69808975T2 publication Critical patent/DE69808975T2/de
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
    • 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
    • C23C8/08—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
    • C23C8/28—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

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)
DE69808975T 1997-02-18 1998-02-17 Verfahren zur Regulierung der Atmosphäre in einem Wärmebehandlungsofen Expired - Lifetime DE69808975T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04859897A JP3409236B2 (ja) 1997-02-18 1997-02-18 熱処理炉の雰囲気制御方法

Publications (2)

Publication Number Publication Date
DE69808975D1 true DE69808975D1 (de) 2002-12-05
DE69808975T2 DE69808975T2 (de) 2003-06-12

Family

ID=12807856

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69808975T Expired - Lifetime DE69808975T2 (de) 1997-02-18 1998-02-17 Verfahren zur Regulierung der Atmosphäre in einem Wärmebehandlungsofen

Country Status (6)

Country Link
US (1) US6106636A (de)
EP (1) EP0859068B1 (de)
JP (1) JP3409236B2 (de)
KR (1) KR100512187B1 (de)
DE (1) DE69808975T2 (de)
ES (1) ES2186094T3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819042A1 (de) * 1998-04-28 1999-11-04 Linde Ag Verfahren und Anlage zum Gasaufkohlen
JP3973795B2 (ja) * 1999-05-24 2007-09-12 東邦瓦斯株式会社 ガス浸炭方法
JP4016601B2 (ja) * 2000-07-14 2007-12-05 住友電気工業株式会社 酸化物超電導線材の製造方法とその製造方法に用いられる加圧熱処理装置
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
DE10221605A1 (de) * 2002-05-15 2003-12-04 Linde Ag Verfahren und Vorrichtung zur Wärmebehandlung metallischer Werkstücke
US7416614B2 (en) * 2002-06-11 2008-08-26 Koyo Thermo Systems Co., Ltd. Method of gas carburizing
US7276209B2 (en) * 2003-05-12 2007-10-02 Atmosphere Engineering Co., Llc Air-gas mixing systems and methods for endothermic gas generators
AU2003244116A1 (en) * 2003-06-12 2005-01-04 Koyo Thermo Systems Co., Ltd. Method of gas carburizing
FR2939448B1 (fr) * 2008-12-09 2011-05-06 Air Liquide Procede de production d'une atmosphere gazeuse pour le traitement des metaux.
ITMI20110366A1 (it) * 2011-03-10 2012-09-11 Sol Spa Procedimento per il trattamento di acciai.
KR102610325B1 (ko) * 2018-12-07 2023-12-06 현대자동차주식회사 내구성 향상을 위한 침탄 열처리 방법
CN114525397B (zh) * 2022-02-21 2022-10-04 韶关东南轴承有限公司 一种轴承热处理零脱碳和零增碳的控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2152440C3 (de) * 1971-10-21 1979-04-12 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren und Anordnung zum rußfreien Aufkohlen von Stahl
JPS5354931A (en) * 1976-10-29 1978-05-18 Hitachi Ltd Pre-sense amplifier
CH628092A5 (de) * 1978-03-21 1982-02-15 Ipsen Ind Int Gmbh Verfahren und vorrichtung zur regelung des kohlenstoffpegels eines chemisch reagierenden gasgemisches.
DE3149212A1 (de) * 1981-01-14 1982-08-05 Holcroft & Co., Livonia, Mich. Verfahren zur eintellung von ofen-atmosphaeren
JPH065739B2 (ja) * 1983-03-02 1994-01-19 株式会社日立製作所 光駆動型半導体制御整流装置
JPS62243754A (ja) * 1986-04-15 1987-10-24 Isuzu Motors Ltd 浸炭炉雰囲気制御装置
US4950334A (en) * 1986-08-12 1990-08-21 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Gas carburizing method and apparatus
JPH0263260A (ja) * 1988-08-29 1990-03-02 Toshiba Corp 画像読取方法
JPH03193863A (ja) * 1989-12-22 1991-08-23 Koyo Rindobaagu Kk 連続式ガス浸炭炉
JPH0651904B2 (ja) * 1990-07-03 1994-07-06 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

Also Published As

Publication number Publication date
DE69808975T2 (de) 2003-06-12
KR19980071378A (ko) 1998-10-26
US6106636A (en) 2000-08-22
JP3409236B2 (ja) 2003-05-26
JPH10226871A (ja) 1998-08-25
ES2186094T3 (es) 2003-05-01
KR100512187B1 (ko) 2005-10-24
EP0859068B1 (de) 2002-10-30
EP0859068A1 (de) 1998-08-19

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