GB2236763B - A process for the direct or indirect deposition of a highly corrosion resisting technical hard chromium plating layer - Google Patents

A process for the direct or indirect deposition of a highly corrosion resisting technical hard chromium plating layer

Info

Publication number
GB2236763B
GB2236763B GB9021528A GB9021528A GB2236763B GB 2236763 B GB2236763 B GB 2236763B GB 9021528 A GB9021528 A GB 9021528A GB 9021528 A GB9021528 A GB 9021528A GB 2236763 B GB2236763 B GB 2236763B
Authority
GB
United Kingdom
Prior art keywords
direct
plating layer
chromium plating
corrosion resisting
highly corrosion
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 - Fee Related
Application number
GB9021528A
Other versions
GB9021528D0 (en
GB2236763A (en
Inventor
Martin Kohl
Wolfgang Clauberg
Elisabeth Bieling
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.)
LPW Chemie GmbH
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 GB9021528D0 publication Critical patent/GB9021528D0/en
Publication of GB2236763A publication Critical patent/GB2236763A/en
Application granted granted Critical
Publication of GB2236763B publication Critical patent/GB2236763B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
    • 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
    • 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
    • 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
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex 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
    • C25D5/18—Electroplating using modulated, pulsed or reversing current

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
GB9021528A 1989-10-11 1990-10-03 A process for the direct or indirect deposition of a highly corrosion resisting technical hard chromium plating layer Expired - Fee Related GB2236763B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3933896A DE3933896C1 (en) 1989-10-11 1989-10-11

Publications (3)

Publication Number Publication Date
GB9021528D0 GB9021528D0 (en) 1990-11-14
GB2236763A GB2236763A (en) 1991-04-17
GB2236763B true GB2236763B (en) 1993-11-17

Family

ID=6391241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9021528A Expired - Fee Related GB2236763B (en) 1989-10-11 1990-10-03 A process for the direct or indirect deposition of a highly corrosion resisting technical hard chromium plating layer

Country Status (5)

Country Link
JP (1) JPH03207884A (en)
DE (1) DE3933896C1 (en)
ES (1) ES2023577A6 (en)
FR (1) FR2652825B1 (en)
GB (1) GB2236763B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5670265A (en) * 1990-10-20 1997-09-23 Ina Walzlager Schaeffler Kg Steel component with an electroplated anti-corrosive coating and process for producing same
DE4125585A1 (en) * 1990-10-20 1992-04-30 Schaeffler Waelzlager Kg STEEL COMPONENT WITH GALVANICALLY APPLIED CORROSION PROTECTIVE LAYER
USRE35860F1 (en) * 1991-06-05 2001-01-02 Timken Co Corrosion-resistant zinc-nickel plated bearing races
JPH05161904A (en) * 1991-12-12 1993-06-29 Mishima Kosan Co Ltd Roll for cold rolling
US5352266A (en) * 1992-11-30 1994-10-04 Queen'university At Kingston Nanocrystalline metals and process of producing the same
IT1267394B1 (en) * 1994-02-18 1997-02-05 Ind S R L PROCEDURE FOR THE PRODUCTION OF HARD CHROME COMPOSITE GALVANIC FINISHINGS WITH A DISPERSED PHASE AND ANTI-WEAR FINISHING MADE WITH
DE4430923C2 (en) * 1994-08-31 1997-10-09 Schaeffler Waelzlager Kg Galvanic chrome bath, process for the electrodeposition of chromium and use of the bath
JP3918142B2 (en) * 1998-11-06 2007-05-23 株式会社日立製作所 Chrome-plated parts, chromium-plating method, and method of manufacturing chromium-plated parts
USRE40386E1 (en) 1998-11-06 2008-06-17 Hitachi Ltd. Chrome plated parts and chrome plating method
DE10006151A1 (en) * 2000-02-11 2001-09-06 Heinz Busch System used for a wheel rim of a rail vehicle comprises a substrate as carrier with a coating having a specified hardness
JP3423702B2 (en) 2000-08-29 2003-07-07 創輝株式会社 Metal plating method
US20070068821A1 (en) 2005-09-27 2007-03-29 Takahisa Hirasawa Method of manufacturing chromium plated article and chromium plating apparatus
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
KR102197508B1 (en) 2015-05-12 2020-12-31 히다치 오토모티브 시스템즈 가부시키가이샤 Method for manufacturing chrome plated parts and equipment for chrome plating
KR20220043575A (en) 2020-09-29 2022-04-05 주식회사 원탑플레이팅 A method for producing a chromium plated part and achromium plating apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB943872A (en) * 1959-06-05 1963-12-11 Gen Dev Corp Chromium plating and power supply therefor
GB1534150A (en) * 1974-12-11 1978-11-29 Laing Physikalisch Tech Entwic Process for the treatment of metal surfaces by electro-deposition of metal coatings
GB2204594A (en) * 1987-05-13 1988-11-16 Sviluppo Materiali Spa Continuous electrodeposition of chromium metal and chromium oxide on metal surfaces
US4789437A (en) * 1986-07-11 1988-12-06 University Of Hong Kong Pulse electroplating process
EP0330722A1 (en) * 1988-03-04 1989-09-06 ELCA S.r.l. Electrochemical process for producing platings of chromium and similar metals, by means of pulsating current with periodic reversing polarity, and relevant equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604628A1 (en) * 1976-02-06 1977-08-11 Rosenloecher Claus Direct electrodeposition of chromium onto nickel - from a chromium electrolyte using a direct current with superimposed pulses
JPS5914977B2 (en) * 1978-07-27 1984-04-06 三菱電機株式会社 temperature control device
DE3402554A1 (en) * 1984-01-26 1985-08-08 LPW-Chemie GmbH, 4040 Neuss DEPOSITION OF HARD CHROME ON A METAL ALLOY FROM AN AQUEOUS ELECTROLYTE CONTAINING CHROME ACID AND SULFURIC ACID
JPS6332874A (en) * 1986-07-24 1988-02-12 Matsushita Electric Works Ltd Temperature sensor fitting structure for storage battery

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB943872A (en) * 1959-06-05 1963-12-11 Gen Dev Corp Chromium plating and power supply therefor
GB1534150A (en) * 1974-12-11 1978-11-29 Laing Physikalisch Tech Entwic Process for the treatment of metal surfaces by electro-deposition of metal coatings
US4789437A (en) * 1986-07-11 1988-12-06 University Of Hong Kong Pulse electroplating process
GB2204594A (en) * 1987-05-13 1988-11-16 Sviluppo Materiali Spa Continuous electrodeposition of chromium metal and chromium oxide on metal surfaces
US4875983A (en) * 1987-05-13 1989-10-24 Centro Sviluppo Materiali Spa Process for continuous electrodeposition of chromium metal and chromium oxide on metal surfaces
EP0330722A1 (en) * 1988-03-04 1989-09-06 ELCA S.r.l. Electrochemical process for producing platings of chromium and similar metals, by means of pulsating current with periodic reversing polarity, and relevant equipment

Also Published As

Publication number Publication date
DE3933896C1 (en) 1990-10-11
ES2023577A6 (en) 1992-01-16
JPH03207884A (en) 1991-09-11
FR2652825B1 (en) 1993-12-24
GB9021528D0 (en) 1990-11-14
GB2236763A (en) 1991-04-17
FR2652825A1 (en) 1991-04-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941003