FR2278385A1 - Procede de fabrication d'un gaz de protection a action de carburation definie - Google Patents

Procede de fabrication d'un gaz de protection a action de carburation definie

Info

Publication number
FR2278385A1
FR2278385A1 FR7522294A FR7522294A FR2278385A1 FR 2278385 A1 FR2278385 A1 FR 2278385A1 FR 7522294 A FR7522294 A FR 7522294A FR 7522294 A FR7522294 A FR 7522294A FR 2278385 A1 FR2278385 A1 FR 2278385A1
Authority
FR
France
Prior art keywords
carburation
action
manufacturing
protective gas
protective
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.)
Granted
Application number
FR7522294A
Other languages
English (en)
French (fr)
Other versions
FR2278385B1 (un
Inventor
Wolfgang Trappmann
Paul Grohmann
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.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim GmbH
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 Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of FR2278385A1 publication Critical patent/FR2278385A1/fr
Application granted granted Critical
Publication of FR2278385B1 publication Critical patent/FR2278385B1/fr
Granted 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
    • 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
    • C23C8/28—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)
FR7522294A 1974-07-20 1975-07-17 Procede de fabrication d'un gaz de protection a action de carburation definie Granted FR2278385A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2435026A DE2435026A1 (de) 1974-07-20 1974-07-20 Verfahren zur herstellung eines schutzgases mit definierter kohlungswirkung

Publications (2)

Publication Number Publication Date
FR2278385A1 true FR2278385A1 (fr) 1976-02-13
FR2278385B1 FR2278385B1 (un) 1979-05-11

Family

ID=5921107

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7522294A Granted FR2278385A1 (fr) 1974-07-20 1975-07-17 Procede de fabrication d'un gaz de protection a action de carburation definie

Country Status (8)

Country Link
AT (1) AT346378B (un)
BE (1) BE831329A (un)
DE (1) DE2435026A1 (un)
ES (1) ES439220A1 (un)
FR (1) FR2278385A1 (un)
GB (1) GB1505727A (un)
NL (1) NL7508512A (un)
SE (1) SE7507804L (un)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0614991A1 (fr) * 1993-03-10 1994-09-14 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Une solution diluée d'un hydrure dans de l'azote liquide

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737610C2 (de) * 1977-08-20 1983-10-27 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren zur Herstellung eines Schutzgases für die Wärmebehandlung von Eisenmetallen
FR2515979B1 (fr) * 1981-11-06 1986-07-25 Union Gaz Modernes Procede et installation pour obtenir un melange gazeux homogene, en proportions determinees, a partir d'un gaz porteur et d'un additif enrichisseur liquide
DE10321414B4 (de) * 2003-05-13 2008-12-18 Robert Bosch Gmbh Verfahren zur Wärmebehandlung von metallischen Werkstücken in Kammeröfen
EP2578704A1 (en) * 2011-10-07 2013-04-10 Linde Aktiengesellschaft Method and system for carburizing or carbonitriding a component and correspondingly treated component

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0614991A1 (fr) * 1993-03-10 1994-09-14 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Une solution diluée d'un hydrure dans de l'azote liquide
FR2702495A1 (fr) * 1993-03-10 1994-09-16 Air Liquide Solutions diluées de silane dans l'azote liquide.
US5543127A (en) * 1993-03-10 1996-08-06 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Dilute solution of a hydride in liquid nitrogen

Also Published As

Publication number Publication date
NL7508512A (nl) 1976-01-22
GB1505727A (en) 1978-03-30
FR2278385B1 (un) 1979-05-11
SE7507804L (sv) 1976-01-21
BE831329A (fr) 1975-11-03
AT346378B (de) 1978-11-10
ATA481475A (de) 1978-03-15
ES439220A1 (es) 1977-02-16
DE2435026A1 (de) 1976-02-05

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Legal Events

Date Code Title Description
ST Notification of lapse