FR1149893A - Method and device for the electrolytic coating of parts using metal layers, in particular hard chromium layers - Google Patents

Method and device for the electrolytic coating of parts using metal layers, in particular hard chromium layers

Info

Publication number
FR1149893A
FR1149893A FR1149893DA FR1149893A FR 1149893 A FR1149893 A FR 1149893A FR 1149893D A FR1149893D A FR 1149893DA FR 1149893 A FR1149893 A FR 1149893A
Authority
FR
France
Prior art keywords
layers
parts
hard chromium
electrolytic coating
particular hard
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.)
Schoch Hartchrom Geb GmbH
Original Assignee
Schoch Hartchrom Geb 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 Schoch Hartchrom Geb GmbH filed Critical Schoch Hartchrom Geb GmbH
Application granted granted Critical
Publication of FR1149893A publication Critical patent/FR1149893A/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
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/12—Process control or regulation
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
    • C25D5/611—Smooth layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/623—Porosity of the layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/08—Deposition of black chromium, e.g. hexavalent chromium, CrVI

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Electroplating Methods And Accessories (AREA)
FR1149893D 1954-05-22 1956-05-24 Method and device for the electrolytic coating of parts using metal layers, in particular hard chromium layers Expired FR1149893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH15391A DE1013938B (en) 1954-05-22 1954-05-22 Method and device for the galvanic deposition of metal coatings, in particular for hard chrome plating

Publications (1)

Publication Number Publication Date
FR1149893A true FR1149893A (en) 1958-01-02

Family

ID=7427469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1149893D Expired FR1149893A (en) 1954-05-22 1956-05-24 Method and device for the electrolytic coating of parts using metal layers, in particular hard chromium layers

Country Status (2)

Country Link
DE (1) DE1013938B (en)
FR (1) FR1149893A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350287A (en) * 1962-09-06 1967-10-31 M & T Chemicals Inc Method of preventing etch on cast iron in plating baths
FR2505880A1 (en) * 1981-05-14 1982-11-19 Exnii Metallorezh Stankov Electrolytic metal deposition - in three current flow cycles alternating between pattern, main and auxiliary electrode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE456840C (en) * 1926-03-30 1928-03-02 Bruckmann & Soehne Akt Ges P Process for generating galvanic deposits
DE916484C (en) * 1939-04-16 1954-08-12 Friedr Blasberg Fa Process for the production of absorbent chrome coatings on cylinder bores

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350287A (en) * 1962-09-06 1967-10-31 M & T Chemicals Inc Method of preventing etch on cast iron in plating baths
FR2505880A1 (en) * 1981-05-14 1982-11-19 Exnii Metallorezh Stankov Electrolytic metal deposition - in three current flow cycles alternating between pattern, main and auxiliary electrode

Also Published As

Publication number Publication date
DE1013938B (en) 1957-08-14

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