GB1505727A - Method of producing a heat-treatment gas - Google Patents

Method of producing a heat-treatment gas

Info

Publication number
GB1505727A
GB1505727A GB22255/75A GB2225575A GB1505727A GB 1505727 A GB1505727 A GB 1505727A GB 22255/75 A GB22255/75 A GB 22255/75A GB 2225575 A GB2225575 A GB 2225575A GB 1505727 A GB1505727 A GB 1505727A
Authority
GB
United Kingdom
Prior art keywords
carburising
methane
annealing
producing
heat
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
Application number
GB22255/75A
Other languages
English (en)
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 GB1505727A publication Critical patent/GB1505727A/en
Expired 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)
GB22255/75A 1974-07-20 1975-05-22 Method of producing a heat-treatment gas Expired GB1505727A (en)

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 (1)

Publication Number Publication Date
GB1505727A true GB1505727A (en) 1978-03-30

Family

ID=5921107

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22255/75A Expired GB1505727A (en) 1974-07-20 1975-05-22 Method of producing a heat-treatment gas

Country Status (8)

Country Link
AT (1) AT346378B (US06826419-20041130-M00005.png)
BE (1) BE831329A (US06826419-20041130-M00005.png)
DE (1) DE2435026A1 (US06826419-20041130-M00005.png)
ES (1) ES439220A1 (US06826419-20041130-M00005.png)
FR (1) FR2278385A1 (US06826419-20041130-M00005.png)
GB (1) GB1505727A (US06826419-20041130-M00005.png)
NL (1) NL7508512A (US06826419-20041130-M00005.png)
SE (1) SE7507804L (US06826419-20041130-M00005.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2578704A1 (en) * 2011-10-07 2013-04-10 Linde Aktiengesellschaft Method and system for carburizing or carbonitriding a component and correspondingly treated component

Families Citing this family (3)

* 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2578704A1 (en) * 2011-10-07 2013-04-10 Linde Aktiengesellschaft Method and system for carburizing or carbonitriding a component and correspondingly treated component

Also Published As

Publication number Publication date
NL7508512A (nl) 1976-01-22
FR2278385A1 (fr) 1976-02-13
FR2278385B1 (US06826419-20041130-M00005.png) 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
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee