FR1005495A - Procédé de cémentation de l'acier - Google Patents

Procédé de cémentation de l'acier

Info

Publication number
FR1005495A
FR1005495A FR1005495DA FR1005495A FR 1005495 A FR1005495 A FR 1005495A FR 1005495D A FR1005495D A FR 1005495DA FR 1005495 A FR1005495 A FR 1005495A
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
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 FR1005495A publication Critical patent/FR1005495A/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)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR1005495D 1947-07-29 1947-07-29 Procédé de cémentation de l'acier Expired FR1005495A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1005495A true FR1005495A (fr) 1952-04-10

Family

ID=9564838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1005495D Expired FR1005495A (fr) 1947-07-29 1947-07-29 Procédé de cémentation de l'acier

Country Status (5)

Country Link
BE (1) BE476317A (fr)
CH (1) CH274316A (fr)
DE (1) DE849565C (fr)
FR (1) FR1005495A (fr)
GB (1) GB640289A (fr)

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

Also Published As

Publication number Publication date
CH274316A (fr) 1951-03-31
BE476317A (fr) 1947-10-31
GB640289A (en) 1950-07-19
DE849565C (de) 1952-09-15

Similar Documents

Publication Publication Date Title
FR933098A (fr) Procédé d'affinage des métaux
FR941006A (fr) Procédé et installation de moulage de pièces
FR1005495A (fr) Procédé de cémentation de l'acier
FR949405A (fr) Procédé de purification de l'acrylonitrile
CH274216A (fr) Pièce de vêtement protectrice et procédé pour sa fabrication.
FR966052A (fr) Procédé d'épuration de l'acier
FR55233E (fr) Procédé d'épuration de l'acier
FR952850A (fr) Perfectionnement au procédé de cémentation des métaux ferreux
FR1017218A (fr) Procédé de revêtement d'objets en acier
FR929446A (fr) Procédé de fabrication d'acier
CH258595A (fr) Procédé pour améliorer l'état de surface de pièces métalliques.
FR1005090A (fr) Procédé de décapage du fer et de ses alliages
FR952115A (fr) Procédé perfectionné d'émaillage
FR941651A (fr) Procédé de traitement de l'acier
FR989238A (fr) Procédé de laminage
FR994367A (fr) Procédé de durcissement d'aciers doux
FR1064669A (fr) Procédé de fabrication d'acier thomas
FR56708E (fr) Procédé d'épuration de l'acier, particulièrement de désoxydation
FR58799E (fr) Procédé d'épuration de l'acier, particulièrement de désoxydation
FR944510A (fr) Procédé de soudure
FR987751A (fr) Procédé de fabrication d'acier
FR981112A (fr) Procédé de fabrication des métaux
FR975404A (fr) Procédé de désoxydation d'oxyde de fer
FR999804A (fr) Procédé de réduction d'oxydes métalliques
FR1041716A (fr) Procédé de fabrication d'acier thomas