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 layersInfo
- 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
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)
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)
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)
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 |
-
1954
- 1954-05-22 DE DESCH15391A patent/DE1013938B/en active Pending
-
1956
- 1956-05-24 FR FR1149893D patent/FR1149893A/en not_active Expired
Cited By (2)
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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