IT1215985B - Procedimento elettrochimico per la realizzazione di rivestimenti di cromo e metalli simili mediante corrente pulsante ad inversione periodica della polarita' - Google Patents

Procedimento elettrochimico per la realizzazione di rivestimenti di cromo e metalli simili mediante corrente pulsante ad inversione periodica della polarita'

Info

Publication number
IT1215985B
IT1215985B IT8819644A IT1964488A IT1215985B IT 1215985 B IT1215985 B IT 1215985B IT 8819644 A IT8819644 A IT 8819644A IT 1964488 A IT1964488 A IT 1964488A IT 1215985 B IT1215985 B IT 1215985B
Authority
IT
Italy
Prior art keywords
layer
chrome
construction
metal coatings
periodic reversal
Prior art date
Application number
IT8819644A
Other languages
English (en)
Other versions
IT8819644A0 (it
Inventor
Luigi Blesio
Mario Leoni
Original Assignee
Elca Srl
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 Elca Srl filed Critical Elca Srl
Priority to IT8819644A priority Critical patent/IT1215985B/it
Publication of IT8819644A0 publication Critical patent/IT8819644A0/it
Priority to EP88105380A priority patent/EP0330722B1/en
Priority to DE8888105380T priority patent/DE3868400D1/de
Priority to AT88105380T priority patent/ATE72587T1/de
Priority to BR898901046A priority patent/BR8901046A/pt
Application granted granted Critical
Publication of IT1215985B publication Critical patent/IT1215985B/it

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
    • C25D5/10—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)
  • Cell Electrode Carriers And Collectors (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Secondary Cells (AREA)
IT8819644A 1988-03-04 1988-03-04 Procedimento elettrochimico per la realizzazione di rivestimenti di cromo e metalli simili mediante corrente pulsante ad inversione periodica della polarita' IT1215985B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT8819644A IT1215985B (it) 1988-03-04 1988-03-04 Procedimento elettrochimico per la realizzazione di rivestimenti di cromo e metalli simili mediante corrente pulsante ad inversione periodica della polarita'
EP88105380A EP0330722B1 (en) 1988-03-04 1988-04-05 Electrochemical process for producing platings of chromium and similar metals, by means of pulsating current with periodic reversing polarity, and relevant equipment
DE8888105380T DE3868400D1 (de) 1988-03-04 1988-04-05 Elektrochemischer prozess zur herstellung von plattierungen aus chrom oder aehnlichen metallen mittels pulsierendem strom mit periodisch umkehrender polaritaet und dazugehoerende einrichtungen.
AT88105380T ATE72587T1 (de) 1988-03-04 1988-04-05 Elektrochemischer prozess zur herstellung von plattierungen aus chrom oder aehnlichen metallen mittels pulsierendem strom mit periodisch umkehrender polaritaet und dazugehoerende einrichtungen.
BR898901046A BR8901046A (pt) 1988-03-04 1989-03-02 Processo eletroquimico para realizar revestimentos de cromo,niquel e outros metais analogos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8819644A IT1215985B (it) 1988-03-04 1988-03-04 Procedimento elettrochimico per la realizzazione di rivestimenti di cromo e metalli simili mediante corrente pulsante ad inversione periodica della polarita'

Publications (2)

Publication Number Publication Date
IT8819644A0 IT8819644A0 (it) 1988-03-04
IT1215985B true IT1215985B (it) 1990-02-22

Family

ID=11160040

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8819644A IT1215985B (it) 1988-03-04 1988-03-04 Procedimento elettrochimico per la realizzazione di rivestimenti di cromo e metalli simili mediante corrente pulsante ad inversione periodica della polarita'

Country Status (5)

Country Link
EP (1) EP0330722B1 (it)
AT (1) ATE72587T1 (it)
BR (1) BR8901046A (it)
DE (1) DE3868400D1 (it)
IT (1) IT1215985B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3933896C1 (it) * 1989-10-11 1990-10-11 Lpw-Chemie Gmbh, 4040 Neuss, De
US5326448A (en) * 1992-10-15 1994-07-05 Telectronics Pacing Systems, Inc. Method for reducing the polarization of bioelectrical stimulation leads using surface enhancement, and product made thereby
DE19745811C2 (de) * 1997-10-16 2002-06-13 Federal Mogul Burscheid Gmbh Galvanische Hartchromschicht, Verwendung und Verfahren zu deren Herstellung
JP2000017482A (ja) * 1998-06-26 2000-01-18 Nippon Piston Ring Co Ltd 耐摩耗性、疲労強度に優れた積層構造を有するクロムめっき皮膜
CN102330127B (zh) * 2011-10-10 2012-12-05 中联重科股份有限公司 输送缸及其制备方法以及包括其的泵送设备
IN2014DN03016A (it) * 2011-10-10 2015-05-08 Zoomlion Heavy Ind Sci & Tech
EP3368706A4 (en) 2015-10-27 2019-05-01 Métal Protection Lenoli Inc. ELECTROLYTIC METHOD AND APPARATUS FOR SURFACE TREATMENT OF NON-FERROUS METALS
KR20240000625A (ko) 2018-04-24 2024-01-02 카본 에어로스페이스 (파운데이션), 엘엘씨 일체형 가열 요소가 있는 복합 항공기 구조물
BR112020022321A2 (pt) 2018-05-03 2021-02-23 Triumph Aerostructures, Llc. aeroestrutura compósita, laminado compósito para uso em uma aeroestrutura, e, métodos para formar uma caixa de asa compósita e para formar um laminado compósito.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975254A (en) * 1974-08-13 1976-08-17 Westinghouse Electric Corporation Forward-reverse pulse cycling anodizing and electroplating process power supply
US4092226A (en) * 1974-12-11 1978-05-30 Nikolaus Laing Process for the treatment of metal surfaces by electro-deposition of metal coatings at high current densities
CH629542A5 (de) * 1976-09-01 1982-04-30 Inoue Japax Res Verfahren und vorrichtung zur galvanischen materialablagerung.
US4666567A (en) * 1981-07-31 1987-05-19 The Boeing Company Automated alternating polarity pulse electrolytic processing of electrically conductive substances

Also Published As

Publication number Publication date
EP0330722B1 (en) 1992-02-12
IT8819644A0 (it) 1988-03-04
EP0330722A1 (en) 1989-09-06
BR8901046A (pt) 1989-10-24
ATE72587T1 (de) 1992-02-15
DE3868400D1 (de) 1992-03-26

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Effective date: 19960213