FR790385A - Procédé de passivation des métaux ferreux - Google Patents

Procédé de passivation des métaux ferreux

Info

Publication number
FR790385A
FR790385A FR790385DA FR790385A FR 790385 A FR790385 A FR 790385A FR 790385D A FR790385D A FR 790385DA FR 790385 A FR790385 A FR 790385A
Authority
FR
France
Prior art keywords
ferrous metals
passivation process
passivation
ferrous
metals
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)
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.)
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Original Assignee
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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 Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU filed Critical Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Application granted granted Critical
Publication of FR790385A publication Critical patent/FR790385A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • C23C8/08Solid 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
    • C23C8/10Oxidising
    • C23C8/12Oxidising using elemental oxygen or ozone
    • C23C8/14Oxidising 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)
FR790385D 1934-08-06 1934-08-06 Procédé de passivation des métaux ferreux Expired FR790385A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR790385T 1934-08-06

Publications (1)

Publication Number Publication Date
FR790385A true FR790385A (fr) 1935-11-20

Family

ID=9222012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790385D Expired FR790385A (fr) 1934-08-06 1934-08-06 Procédé de passivation des métaux ferreux

Country Status (1)

Country Link
FR (1) FR790385A (fr)

Similar Documents

Publication Publication Date Title
FR48404E (fr) Procédé de revêtement des métaux
FR806235A (fr) Procédé pour la préparation des monoalcoylolamines
FR825494A (fr) Procédé amélioré pour le traitement des matières textiles
FR790385A (fr) Procédé de passivation des métaux ferreux
FR737433A (fr) Procédé pour empêcher la ternissure des surfaces de métaux
FR786191A (fr) Procédé de décapage à blanc des métaux
FR766755A (fr) Procédé physico-biologiques influencant le développement des végétaux
FR770908A (fr) Procédé de fabrication des hélices métalliques
FR781552A (fr) Procédé de déposition électrolytique des métaux
FR800003A (fr) Procédé d'affinage des aciers
FR799842A (fr) Procédé de cémentation de l'acier
FR797098A (fr) Procédé de traitement d'objets métalliques
FR803823A (fr) Procédé de broyage des compositions métalliques extra-dures
FR767389A (fr) Procédé pour améliorer la fluidité des laitiers
BE416722R (fr) Procédé pour la protection des métaux
FR776083A (fr) Procédé de nettoyage des métaux
FR801661A (fr) Procédé pour la préparation des peaux en employant des tryptases fongueuses
FR44635E (fr) Procédé de fusion des métaux
FR768067A (fr) Procédé pour la préparation des alliages de fer et de nickel
FR788145A (fr) Procédé de préparation des alliages contenant du bore
FR755210A (fr) Procédé perfectionné de laminage des métaux
FR782854A (fr) Procédé de dégraissage des peaux
FR44847E (fr) Procédé de récupération de métaux
FR782396A (fr) Procédé pour réduire le temps de maturation des alcalicelluloses
FR768656A (fr) Procédé pour la décoration des métaux