DE68914624D1 - Verfahren und Anlage für Wärmebehandlungen wie Einsatzhärten, Karbonitrieren oder Erwärmung vor dem Härten von metallischen Werkstoffen. - Google Patents

Verfahren und Anlage für Wärmebehandlungen wie Einsatzhärten, Karbonitrieren oder Erwärmung vor dem Härten von metallischen Werkstoffen.

Info

Publication number
DE68914624D1
DE68914624D1 DE68914624T DE68914624T DE68914624D1 DE 68914624 D1 DE68914624 D1 DE 68914624D1 DE 68914624 T DE68914624 T DE 68914624T DE 68914624 T DE68914624 T DE 68914624T DE 68914624 D1 DE68914624 D1 DE 68914624D1
Authority
DE
Germany
Prior art keywords
hardening
heat treatments
carbonitriding
plant
metallic materials
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 - Fee Related
Application number
DE68914624T
Other languages
English (en)
Other versions
DE68914624T2 (de
Inventor
Alain Combier
Patrice Ollivier
Jean-Marc Viant
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 Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9373150&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68914624(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of DE68914624D1 publication Critical patent/DE68914624D1/de
Application granted granted Critical
Publication of DE68914624T2 publication Critical patent/DE68914624T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C23C8/28—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
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Furnace Details (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Resistance Heating (AREA)
  • Meat, Egg Or Seafood Products (AREA)
DE68914624T 1988-12-20 1989-12-04 Verfahren und Anlage für Wärmebehandlungen wie Einsatzhärten, Karbonitrieren oder Erwärmung vor dem Härten von metallischen Werkstoffen. Expired - Fee Related DE68914624T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8816792A FR2640646B1 (fr) 1988-12-20 1988-12-20 Procede et installation de traitement thermique de cementation, carbonitruration ou chauffage avant trempe de pieces metalliques

Publications (2)

Publication Number Publication Date
DE68914624D1 true DE68914624D1 (de) 1994-05-19
DE68914624T2 DE68914624T2 (de) 1994-07-21

Family

ID=9373150

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68914624T Expired - Fee Related DE68914624T2 (de) 1988-12-20 1989-12-04 Verfahren und Anlage für Wärmebehandlungen wie Einsatzhärten, Karbonitrieren oder Erwärmung vor dem Härten von metallischen Werkstoffen.

Country Status (11)

Country Link
US (1) US5045126A (de)
EP (1) EP0375491B1 (de)
JP (1) JPH02217459A (de)
AT (1) ATE104361T1 (de)
AU (1) AU625618B2 (de)
CA (1) CA2005823C (de)
DE (1) DE68914624T2 (de)
ES (1) ES2050834T3 (de)
FR (1) FR2640646B1 (de)
PT (1) PT92615B (de)
ZA (1) ZA899627B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5298090A (en) * 1992-12-22 1994-03-29 Air Products And Chemicals, Inc. Atmospheres for heat treating non-ferrous metals and alloys
US5348592A (en) * 1993-02-01 1994-09-20 Air Products And Chemicals, Inc. Method of producing nitrogen-hydrogen atmospheres for metals processing
DE4400391A1 (de) * 1994-01-08 1995-07-13 Messer Griesheim Gmbh Verfahren zur Vermeidung von Randoxidation beim Aufkohlen von Stählen
NZ314334A (en) * 1996-04-19 1997-09-22 Boc Group Inc Method of heat treating a metal with nitrogen rich gas preheated and then having oxygen-reactive gas added
CN104060265A (zh) * 2014-06-18 2014-09-24 滁州市艾德模具设备有限公司 热作模具耐高温处理工艺
CN110257761B (zh) * 2019-06-14 2021-08-20 武汉汇九厨具科技有限公司 一种无涂层耐磨防锈不粘铁锅及其制造工艺
CN112501544A (zh) * 2020-08-27 2021-03-16 苏州新豪轴承股份有限公司 轴承零件加工工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450878A1 (fr) * 1979-03-05 1980-10-03 Air Liquide Installation generatrice d'une atmosphere de traitement thermique des metaux
US4805881A (en) * 1987-05-28 1989-02-21 Gas Research Institute Internal gas generator for heat treating furnace

Also Published As

Publication number Publication date
EP0375491A1 (de) 1990-06-27
US5045126A (en) 1991-09-03
ES2050834T3 (es) 1994-06-01
CA2005823A1 (fr) 1990-06-20
ATE104361T1 (de) 1994-04-15
AU4713389A (en) 1990-06-28
AU625618B2 (en) 1992-07-16
ZA899627B (en) 1990-09-26
PT92615A (pt) 1990-06-29
PT92615B (pt) 1995-09-12
DE68914624T2 (de) 1994-07-21
FR2640646B1 (fr) 1993-02-05
EP0375491B1 (de) 1994-04-13
CA2005823C (fr) 1994-12-13
FR2640646A1 (fr) 1990-06-22
JPH02217459A (ja) 1990-08-30

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee