HK102588A - Deposition of hard chromium on steel or aluminium alloy - Google Patents

Deposition of hard chromium on steel or aluminium alloy

Info

Publication number
HK102588A
HK102588A HK102588A HK102588A HK102588A HK 102588 A HK102588 A HK 102588A HK 102588 A HK102588 A HK 102588A HK 102588 A HK102588 A HK 102588A HK 102588 A HK102588 A HK 102588A
Authority
HK
Hong Kong
Prior art keywords
deposition
steel
aluminium alloy
hard chromium
chromium
Prior art date
Application number
HK102588A
Inventor
Ralf Ludwig
Hans-Joachim Welzel
Martin Kohl
Original Assignee
Lpw Chemie 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 Lpw Chemie Gmbh filed Critical Lpw Chemie Gmbh
Publication of HK102588A publication Critical patent/HK102588A/en

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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/10—Electroplating: Baths therefor from solutions of chromium characterised by the organic bath constituents used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
HK102588A 1984-01-26 1988-12-15 Deposition of hard chromium on steel or aluminium alloy HK102588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843402554 DE3402554A1 (en) 1984-01-26 1984-01-26 DEPOSITION OF HARD CHROME ON A METAL ALLOY FROM AN AQUEOUS ELECTROLYTE CONTAINING CHROME ACID AND SULFURIC ACID

Publications (1)

Publication Number Publication Date
HK102588A true HK102588A (en) 1988-12-23

Family

ID=6225909

Family Applications (1)

Application Number Title Priority Date Filing Date
HK102588A HK102588A (en) 1984-01-26 1988-12-15 Deposition of hard chromium on steel or aluminium alloy

Country Status (5)

Country Link
DE (1) DE3402554A1 (en)
FR (1) FR2558852B1 (en)
GB (1) GB2153387B (en)
HK (1) HK102588A (en)
SE (1) SE461663B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588481A (en) * 1985-03-26 1986-05-13 M&T Chemicals Inc. Chromium plating bath for producing non-iridescent, adherent, bright chromium deposits at high efficiencies and substantially free of cathodic low current density etching
DE3933896C1 (en) * 1989-10-11 1990-10-11 Lpw-Chemie Gmbh, 4040 Neuss, De
ATE150100T1 (en) * 1989-11-06 1997-03-15 Atotech Usa Inc PROTECTION OF LEAD-CONTAINING ANODES DURING ELECTRICAL COATING WITH CHROME
DE4011201C1 (en) * 1990-04-06 1991-08-22 Lpw-Chemie Gmbh, 4040 Neuss, De Coating workpiece with chromium for improved corrosion resistance - comprises using aq. electrolyte soln. contg. chromic acid sulphate ions, and fluoro:complexes to increase deposition
US5196108A (en) * 1991-04-24 1993-03-23 Scot Industries, Inc. Sucker rod oil well pump
DE4432512C2 (en) * 1994-09-13 1998-12-17 Lpw Chemie Gmbh Use of a process for the electrolytic deposition of chrome layers
US5735136A (en) * 1995-09-11 1998-04-07 Howe Corporation Flake freezing machine and system using same
DE19828545C1 (en) * 1998-06-26 1999-08-12 Cromotec Oberflaechentechnik G Galvanic bath for forming a hard chromium layer on machine parts
DE19913273C2 (en) * 1999-03-24 2003-07-24 Lpw Chemie Gmbh Process for producing pearl chrome layers on workpieces made of metal, in particular steel
DE10255853A1 (en) 2002-11-29 2004-06-17 Federal-Mogul Burscheid Gmbh Manufacture of structured hard chrome layers
DE102004019370B3 (en) 2004-04-21 2005-09-01 Federal-Mogul Burscheid Gmbh Production of optionally coated structurized hard chrome layer, used e.g. for decoration, protection or functional coating on printing roller or stamping, embossing or deep drawing tool uses aliphatic sulfonic acid in acid plating bath
JP4650157B2 (en) * 2005-01-12 2011-03-16 マツダ株式会社 Plating film for sliding part and method for forming the same
DE102008017270B3 (en) 2008-04-04 2009-06-04 Federal-Mogul Burscheid Gmbh Structured chromium solid particle layer and method for its production and coated machine element
EP2792770B1 (en) 2013-04-17 2015-06-24 ATOTECH Deutschland GmbH Functional chromium layer with improved corrosion resistance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949040A (en) * 1954-06-30 1960-08-16 Rockwell Standard Co Vehicle drive mechanism
DE1034545B (en) * 1955-05-16 1958-07-17 Leon Stock Loading and unloading device, in particular for loading and unloading of fertilizer or the like.
DE1034945B (en) * 1956-05-15 1958-07-24 Riedel & Co Smoothing agent and bath for electrolytic chrome plating from an aqueous hexavalent chromic acid solution
US3745097A (en) * 1969-05-26 1973-07-10 M & T Chemicals Inc Electrodeposition of an iridescent chromium coating
US3758390A (en) * 1971-06-18 1973-09-11 M & T Chemicals Inc Novel cromium plating compositions
US4450052A (en) * 1982-07-28 1984-05-22 M&T Chemicals Inc. Zinc and nickel tolerant trivalent chromium plating baths

Also Published As

Publication number Publication date
SE461663B (en) 1990-03-12
GB8432194D0 (en) 1985-01-30
FR2558852A1 (en) 1985-08-02
GB2153387B (en) 1988-01-20
FR2558852B1 (en) 1990-02-02
GB2153387A (en) 1985-08-21
SE8405681D0 (en) 1984-11-13
DE3402554C2 (en) 1987-09-10
SE8405681L (en) 1985-07-27
DE3402554A1 (en) 1985-08-08

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PE Patent expired

Effective date: 20041219