SE70057C1 - - Google Patents

Info

Publication number
SE70057C1
SE70057C1 SE70057DA SE70057C1 SE 70057 C1 SE70057 C1 SE 70057C1 SE 70057D A SE70057D A SE 70057DA SE 70057 C1 SE70057 C1 SE 70057C1
Authority
SE
Sweden
Prior art keywords
heat treatment
treatment
subjected
current
molds
Prior art date
Application number
Other languages
Swedish (sv)
Publication date
Publication of SE70057C1 publication Critical patent/SE70057C1/sv

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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • 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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
    • 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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • 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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/24—Chemical after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Formation Of Insulating Films (AREA)
  • Chemical Treatment Of Metals (AREA)

Claims (1)

1. Patentansprak: 1:o) Ferfaringssatt fOr astadkomande av ett korrosionsskydande ytskikt a av aluminium eller ahuniniumlegeringar frarastallda foremfil, kannetecknat ddrav, att sagda foremal anvdndas sasom elektroder i ett elektrolytiskt bad, innehallande en kolsyrehaltig bas, exempelvis ammoniunakarbonat eller ammoni-ambikarbonat. 2:o) Satt enligt patentanspraket 1:o) vid anvandande av en elektrolyt innehallande ammoniumkarbonat eller ammoniumbikarbonat, kannetecknat darav, att elektrolytens koncentration vanes mellan 1-5 %. 3:o) Satt enligt patentanspraket 1:o) eller 2:o), kannetecknat darav, att striimstyrkan vid den elektrolytiska processens borjan vanes sa, hog, att densamma motsvarar en strOmtlthet av 1 amp. pr. kvem. behandlingsyta. 4:o) Satt enligt patentanspfaket 1:0), kannetecknat darav, att det elektiolytiskt behandlade foremalet underkastas en efterfoljande varmebehandling. 5:o) Sat enligt patentanspraket 4:o), kannetecknat darav, att foremalet efter varmebehandlingen Iven underkastas en. fettbehandling, exempelvis genom detsammas neddoppning i paraffin eller Paraffinlosninglampligen at- fond av en fornyad varmebehandling. Stockholm 1930. Ettrgl. BoktryckotiotPatent claim: 1: o) Procedure for providing a corrosion-protecting surface layer a of aluminum or ahuninium alloys molded molds, characterized in that said molds are used as electrodes in an electrolytic bath, containing a carbonated ammonium carbonate base, for example ammonia. 2: o) Set according to patent claim 1: o) when using an electrolyte containing ammonium carbonate or ammonium bicarbonate, characterized in that the concentration of the electrolyte is between 1-5%. 3: o) According to the patent claim 1: o) or 2: o), it can be characterized in that the current at the beginning of the electrolytic process is so high that it corresponds to a current of 1 amp. pr. kvem. treatment surface. 4: o) Set according to patent package 1: 0), characterized in that the electrolytically treated foremal is subjected to a subsequent heat treatment. 5: o) Sat according to patent claim 4: o), can be characterized by the fact that the form after the heat treatment Iven is subjected to a. grease treatment, for example by immersing it in paraffin or Paraffin solution as a result of a renewed heat treatment. Stockholm 1930. Ettrgl. Letterpress ratio
SE70057D SE70057C1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE70057T

Publications (1)

Publication Number Publication Date
SE70057C1 true SE70057C1 (en) 1930-01-01

Family

ID=38390212

Family Applications (1)

Application Number Title Priority Date Filing Date
SE70057D SE70057C1 (en)

Country Status (1)

Country Link
SE (1) SE70057C1 (en)

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