FR1109044A - Procédé de cémentation de l'acier - Google Patents

Procédé de cémentation de l'acier

Info

Publication number
FR1109044A
FR1109044A FR1109044DA FR1109044A FR 1109044 A FR1109044 A FR 1109044A FR 1109044D A FR1109044D A FR 1109044DA FR 1109044 A FR1109044 A FR 1109044A
Authority
FR
France
Prior art keywords
hardening process
steel case
steel
case
hardening
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
Other languages
English (en)
Inventor
Roger Prevot
Jacques Coq
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.)
Engie SA
Original Assignee
Gaz de France SA
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 SA filed Critical Gaz de France SA
Application granted granted Critical
Publication of FR1109044A publication Critical patent/FR1109044A/fr
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR1109044D 1954-05-07 1954-05-07 Procédé de cémentation de l'acier Expired FR1109044A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1109044T 1954-05-07

Publications (1)

Publication Number Publication Date
FR1109044A true FR1109044A (fr) 1956-01-20

Family

ID=9625301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1109044D Expired FR1109044A (fr) 1954-05-07 1954-05-07 Procédé de cémentation de l'acier

Country Status (1)

Country Link
FR (1) FR1109044A (fr)

Similar Documents

Publication Publication Date Title
FR1201294A (fr) Procédé d'addition de plomb à l'acier
FR1133958A (fr) Procédé de fabrication d'acier
FR1159963A (fr) Procédé de coulée de l'acier et mécanisme réalisant ce procédé
FR1109044A (fr) Procédé de cémentation de l'acier
FR1189971A (fr) Procédé de fabrication d'acier
FR1149364A (fr) Procédé d'élaboration d'acier
FR1134626A (fr) Procédé de cémentation des métaux
FR1144319A (fr) Procédé de désulfuration de l'acier
FR1222976A (fr) Procédé d'élaboration de l'acier
FR1202845A (fr) Procédé abrégé de recuit de l'acier
FR1184952A (fr) Procédé métallurgique de traitement de l'acier
FR1100886A (fr) Procédé et appareillage perfectionnés pour l'élaboration de l'acier thomas
FR70659E (fr) Procédé d'élaboration d'acier
FR1268906A (fr) Procédé de fabrication de l'acier
FR1222379A (fr) Procédé d'élaboration de l'acier
FR1222350A (fr) Procédé d'élaboration de l'acier
BE574716A (fr) Procédé d'élaboration de l'acier
BE576329A (fr) Procédé d'élaboration de l'acier
BE576328A (fr) Procédé d'élaboration de l'acier
BE576470A (fr) Procédé d'élaboration de l'acier
BE576469A (fr) Procédé d'élaboration de l'acier
BE576076A (fr) Procédé d'élaboration de l'acier
BE576077A (fr) Procédé d'élaboration de l'acier
FR1104950A (fr) Procédé de purification de l'acrylonitrile
FR1184016A (fr) Procédé de fabrication d'acier