BE420359A - - Google Patents

Info

Publication number
BE420359A
BE420359A BE420359DA BE420359A BE 420359 A BE420359 A BE 420359A BE 420359D A BE420359D A BE 420359DA BE 420359 A BE420359 A BE 420359A
Authority
BE
Belgium
Prior art keywords
chromium
hydrogen
objects
treated
mixture
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE420359A publication Critical patent/BE420359A/fr

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
    • C23C8/02Pretreatment of the material to be coated
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BE420359D BE420359A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE420359A true BE420359A (enrdf_load_stackoverflow)

Family

ID=82450

Family Applications (1)

Application Number Title Priority Date Filing Date
BE420359D BE420359A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE420359A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR2525207A1 (fr) Production d'articles en carbone plein, resistants a la corrosion et a l'erosion
US2257668A (en) Formation of protective layers on iron and steel articles
EP0010484B1 (fr) Perfectionnement dans la chromisation des aciers par voie gazeuse
BE420359A (enrdf_load_stackoverflow)
FR2678602A1 (fr) Procede de preparation de nitrure de silicium par carbonitruration de silice et nitrure de silicium sous forme de particules exemptes de whiskers.
Ouladsaad et al. Boro-aluminizing of XC38 steel
FR2777911A1 (fr) Procede de carbonitruration a basse pression de pieces en alliage metallique
FR2597098A1 (fr) Catalyseurs a base d'argent pour la fabrication d'oxyde d'ethylene
EP0125173A1 (fr) Procédé de production de particules solides métalliques à partir d'un bain métallique
JPH05331617A (ja) チタン系合金部材の表面処理法
US1997340A (en) Lithium silicon composition
BE424890A (enrdf_load_stackoverflow)
FR2653448A1 (fr) Procede d'elaboration d'une atmosphere de traitement de metaux.
BE452875A (enrdf_load_stackoverflow)
JP2000282217A (ja) 鋼表面へのアルミニウム拡散方法
FR2536422A1 (fr) Procede de revetement en carbures de surfaces metalliques
EP0409687A1 (fr) Procédé de siliciuration de pièces métalliques par dépôt chimique en phase gazeuse
BE349797A (enrdf_load_stackoverflow)
BE391844A (enrdf_load_stackoverflow)
BE622842A (enrdf_load_stackoverflow)
BE567391A (enrdf_load_stackoverflow)
BE1008161A3 (fr) Carbone resistant a l'oxydation et procede pour le fabriquer.
BE515733A (enrdf_load_stackoverflow)
FR2628443A1 (fr) Procede pour le traitement chimique de pieces metalliques dans une solution d'acide chromique
BE342657A (enrdf_load_stackoverflow)