FR868380A - Process for the production of protective layers on magnesium and magnesium alloys - Google Patents

Process for the production of protective layers on magnesium and magnesium alloys

Info

Publication number
FR868380A
FR868380A FR868380DA FR868380A FR 868380 A FR868380 A FR 868380A FR 868380D A FR868380D A FR 868380DA FR 868380 A FR868380 A FR 868380A
Authority
FR
France
Prior art keywords
magnesium
production
protective layers
alloys
magnesium alloys
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
French (fr)
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR868380A publication Critical patent/FR868380A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
FR868380D 1938-11-09 1940-12-26 Process for the production of protective layers on magnesium and magnesium alloys Expired FR868380A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE868380X 1938-11-09

Publications (1)

Publication Number Publication Date
FR868380A true FR868380A (en) 1941-12-29

Family

ID=6802390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868380D Expired FR868380A (en) 1938-11-09 1940-12-26 Process for the production of protective layers on magnesium and magnesium alloys

Country Status (1)

Country Link
FR (1) FR868380A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2031358A1 (en) * 1970-06-25 1971-12-30 Collardin Gmbh Gerhard Protective coatings on iron, zinc or aluminium - formed by treatment with acid solns contg complex fluorides, free fluorine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2031358A1 (en) * 1970-06-25 1971-12-30 Collardin Gmbh Gerhard Protective coatings on iron, zinc or aluminium - formed by treatment with acid solns contg complex fluorides, free fluorine

Similar Documents

Publication Publication Date Title
FR845549A (en) Manufacturing process for hard and waterproof protective layers on magnesium and magnesium alloys
FR868380A (en) Process for the production of protective layers on magnesium and magnesium alloys
FR873046A (en) Process for the production of protective layers on magnesium and on magnesium alloys
FR841524A (en) Process for obtaining by electrolytic deposition of protective layers on magnesium and its alloys
FR852153A (en) Process for the production of protective oxide layers on magnesium and magnesium alloys
FR843027A (en) Process for the protection of magnesium and its alloys
FR1056564A (en) Process for the formation of extra hard layers on metals and their alloys
FR971204A (en) Process for the protection of magnesium and its alloys
FR851880A (en) Process for the production of protective oxide layers on magnesium or magnesium alloys
FR842782A (en) Process for improving oxidized protective layers on magnesium and magnesium alloys
FR49885E (en) Process for obtaining by electrolytic deposition of protective layers on magnesium and its alloys
FR907465A (en) Process for the production of protective layers on light metals and on light metal alloys
FR884551A (en) Process for the production of protective layers by anodic treatment on parts made of magnesium and magnesium alloys
FR832994A (en) Casting process for magnesium and its alloys
FR887338A (en) Process for removing scale and solder residue from iron surfaces, before application of protective metallic layers
FR879219A (en) Process for preparing protective layers on zinc and zinc alloys
FR865804A (en) Process for the application of protective layers on surfaces
FR877607A (en) Process for the production, on magnesium and magnesium alloys, of protective layers capable of being dyed
FR851990A (en) Method and device for the production of magnesium
FR49870E (en) Process to protect magnesium and its alloys against corrosion
FR49544E (en) Process to protect magnesium and its alloys against corrosion
FR805551A (en) Process for the protection of magnesium and its alloys
FR879728A (en) Process for refining the texture of magnesium and its alloys
FR881603A (en) Process for the production of protective layers on aluminum and aluminum alloy parts, by anodic treatment
FR884427A (en) Process for the production of wear resistant protective layers on magnesium and magnesium alloys