BE716895A - - Google Patents

Info

Publication number
BE716895A
BE716895A BE716895DA BE716895A BE 716895 A BE716895 A BE 716895A BE 716895D A BE716895D A BE 716895DA BE 716895 A BE716895 A BE 716895A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE716895A publication Critical patent/BE716895A/xx

Links

Classifications

    • 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
    • C23C8/08—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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Furnace Details (AREA)
BE716895D 1967-06-23 1968-06-20 BE716895A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR111651A FR1534943A (fr) 1967-06-23 1967-06-23 Dispositif pour produire une atmosphère

Publications (1)

Publication Number Publication Date
BE716895A true BE716895A (en:Method) 1968-12-20

Family

ID=8633689

Family Applications (1)

Application Number Title Priority Date Filing Date
BE716895D BE716895A (en:Method) 1967-06-23 1968-06-20

Country Status (3)

Country Link
BE (1) BE716895A (en:Method)
ES (1) ES355341A1 (en:Method)
FR (1) FR1534943A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4427507C1 (de) * 1994-08-03 1995-06-01 Linde Ag Verfahren zur Wärmebehandlung, insbesondere Aufkohlung, metallischer Werkstücke

Also Published As

Publication number Publication date
ES355341A1 (es) 1969-12-01
FR1534943A (fr) 1968-08-02

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: L' AIR LIQUIDE S.A. POUR L' ETUDE ET L'EXPLOITATIO

Effective date: 19840620