CH274316A - Procédé de cémentation de l'acier. - Google Patents

Procédé de cémentation de l'acier.

Info

Publication number
CH274316A
CH274316A CH274316DA CH274316A CH 274316 A CH274316 A CH 274316A CH 274316D A CH274316D A CH 274316DA CH 274316 A CH274316 A CH 274316A
Authority
CH
Switzerland
Prior art keywords
gas
temperature
heated
town gas
content
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
D Eclairage Gaz De Ex-Societe
Motrice Chauffage Et Force
Original Assignee
Gaz De France Ex Societe D Ecl
Motrice Chauffage Et Force
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 Gaz De France Ex Societe D Ecl, Motrice Chauffage Et Force filed Critical Gaz De France Ex Societe D Ecl
Publication of CH274316A publication Critical patent/CH274316A/fr

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

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)
  • Manufacture And Refinement Of Metals (AREA)
CH274316D 1947-07-29 1948-05-26 Procédé de cémentation de l'acier. CH274316A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1005495T 1947-07-29

Publications (1)

Publication Number Publication Date
CH274316A true CH274316A (fr) 1951-03-31

Family

ID=9564838

Family Applications (1)

Application Number Title Priority Date Filing Date
CH274316D CH274316A (fr) 1947-07-29 1948-05-26 Procédé de cémentation de l'acier.

Country Status (5)

Country Link
BE (1) BE476317A (US06534493-20030318-C00166.png)
CH (1) CH274316A (US06534493-20030318-C00166.png)
DE (1) DE849565C (US06534493-20030318-C00166.png)
FR (1) FR1005495A (US06534493-20030318-C00166.png)
GB (1) GB640289A (US06534493-20030318-C00166.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2810216C1 (ru) * 2023-08-21 2023-12-25 Акционерное Общество "Машиностроительная Компания "Витязь" Способ изготовления катализатора в виде шара из огнеупорной глины с ядром из нитрита натрия для газовой цементации стальных изделий

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020356B (de) * 1952-06-20 1957-12-05 Renault Verfahren zur Herstellung von Zementierungsgas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2810216C1 (ru) * 2023-08-21 2023-12-25 Акционерное Общество "Машиностроительная Компания "Витязь" Способ изготовления катализатора в виде шара из огнеупорной глины с ядром из нитрита натрия для газовой цементации стальных изделий

Also Published As

Publication number Publication date
GB640289A (en) 1950-07-19
FR1005495A (fr) 1952-04-10
BE476317A (US06534493-20030318-C00166.png) 1947-10-31
DE849565C (de) 1952-09-15

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