PT3526374T - Método para aumentar a resistência à corrosão de um substrato cromado - Google Patents

Método para aumentar a resistência à corrosão de um substrato cromado

Info

Publication number
PT3526374T
PT3526374T PT187137062T PT18713706T PT3526374T PT 3526374 T PT3526374 T PT 3526374T PT 187137062 T PT187137062 T PT 187137062T PT 18713706 T PT18713706 T PT 18713706T PT 3526374 T PT3526374 T PT 3526374T
Authority
PT
Portugal
Prior art keywords
chrome
increasing
corrosion resistance
plated substrate
plated
Prior art date
Application number
PT187137062T
Other languages
English (en)
Original Assignee
Coventya S P A
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 Coventya S P A filed Critical Coventya S P A
Publication of PT3526374T publication Critical patent/PT3526374T/pt

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
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/06—Electrolytic coating other than with metals with inorganic materials by anodic processes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/38—Chromatising
    • 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
    • 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
    • C25D5/48—After-treatment of electroplated surfaces
    • 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
    • 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
    • C25D5/625—Discontinuous layers, e.g. microcracked 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
    • C25D5/627—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
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • 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
    • C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
PT187137062T 2017-03-31 2018-04-03 Método para aumentar a resistência à corrosão de um substrato cromado PT3526374T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17164327.3A EP3382062A1 (en) 2017-03-31 2017-03-31 Method for increasing the corrosion resistance of a chrome-plated substrate

Publications (1)

Publication Number Publication Date
PT3526374T true PT3526374T (pt) 2022-11-21

Family

ID=58606011

Family Applications (1)

Application Number Title Priority Date Filing Date
PT187137062T PT3526374T (pt) 2017-03-31 2018-04-03 Método para aumentar a resistência à corrosão de um substrato cromado

Country Status (7)

Country Link
US (1) US11268206B2 (pt)
EP (2) EP3382062A1 (pt)
CN (1) CN110546311B (pt)
CA (1) CA3056982C (pt)
ES (1) ES2929908T3 (pt)
PT (1) PT3526374T (pt)
WO (1) WO2018178390A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110760900A (zh) * 2019-11-29 2020-02-07 扬州大学 一种六价铬废水还原作电镀铬源的方法及其电镀方法
CN110923768B (zh) * 2019-12-19 2022-01-25 漳州市福美鑫新材料科技有限公司 一种用于三价铬电镀工件后处理工艺的设备
CN111500962B (zh) * 2020-04-28 2022-04-29 中国石油大学(华东) 调控热浸镀锌铝合金镀层表面三价铬化学转化膜性能的成膜方法
FR3110606A1 (fr) * 2020-05-20 2021-11-26 Institut De Recherche Technologique Matériaux, Métallurgie, Procédés Procédé de chromage dur à partir de chrome trivalent
CN113151873A (zh) * 2021-04-27 2021-07-23 深圳市通之泰科技有限公司 一种用于提高电镀抗腐蚀的工艺方法
DE102022105844A1 (de) 2022-03-14 2023-09-14 Carl Freudenberg Kg Passivierungsschicht für metallhaltige Substrate

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167460A (en) * 1978-04-03 1979-09-11 Oxy Metal Industries Corporation Trivalent chromium plating bath composition and process
DE3680555D1 (de) * 1985-03-15 1991-09-05 Kawasaki Steel Co Zinnfreie stahlbaender, die zur produktion geschweisster dosen verwendet werden und verfahren zu ihrer herstellung.
US6004448A (en) * 1995-06-06 1999-12-21 Atotech Usa, Inc. Deposition of chromium oxides from a trivalent chromium solution containing a complexing agent for a buffer
GB9705149D0 (en) * 1997-03-13 1997-04-30 Ea Tech Ltd A method for chromating metals having surface oxide layers
US20010054557A1 (en) * 1997-06-09 2001-12-27 E. Jennings Taylor Electroplating of metals using pulsed reverse current for control of hydrogen evolution
JP2009074168A (ja) * 2007-08-30 2009-04-09 Nissan Motor Co Ltd クロムめっき部品およびその製造方法
JP5379426B2 (ja) 2007-08-30 2013-12-25 日産自動車株式会社 クロムめっき部品およびその製造方法
JP5299887B2 (ja) 2008-03-26 2013-09-25 奥野製薬工業株式会社 ３価クロムめっき皮膜用電解処理液
EP2186928A1 (en) 2008-11-14 2010-05-19 Enthone, Inc. Method for the post-treatment of metal layers
DE102010055968A1 (de) * 2010-12-23 2012-06-28 Coventya Spa Substrat mit korrosionsbeständigem Überzug und Verfahren zu dessen Herstellung
RU2627076C2 (ru) * 2012-03-30 2017-08-03 Тата Стил Эймейден Б.В. Подложка с покрытием для упаковочных применений и способ получения упомянутой подложки
EP2826890A1 (en) 2013-07-19 2015-01-21 ATOTECH Deutschland GmbH Method for cathodic corrosion protection of chromium surfaces
US9695523B2 (en) * 2013-10-12 2017-07-04 Hamilton Sundstrand Corporation Controlled trivalent chromium pretreatment
EP2899299A1 (en) 2014-01-24 2015-07-29 COVENTYA S.p.A. Electroplating bath containing trivalent chromium and process for depositing chromium
US10415148B2 (en) * 2014-03-07 2019-09-17 Macdermid Acumen, Inc. Passivation of micro-discontinuous chromium deposited from a trivalent electrolyte
MX2016013455A (es) * 2014-05-21 2017-02-15 Tata Steel Ijmuiden Bv Metodo para galvanizar un tira de metal movil y tira de metal recubierta producida de este modo.
EP3228729A1 (en) 2016-04-04 2017-10-11 COVENTYA S.p.A. Process for metallization of an article having a plastic surface avoiding the metallization of the rack which fixes the article within the plating bath

Also Published As

Publication number Publication date
EP3526374B1 (en) 2022-09-07
ES2929908T3 (es) 2022-12-02
US20210108326A1 (en) 2021-04-15
CA3056982C (en) 2023-11-28
US11268206B2 (en) 2022-03-08
CA3056982A1 (en) 2018-10-04
EP3526374A1 (en) 2019-08-21
CN110546311A (zh) 2019-12-06
CN110546311B (zh) 2022-02-25
EP3382062A1 (en) 2018-10-03
WO2018178390A1 (en) 2018-10-04

Similar Documents

Publication Publication Date Title
PT3526374T (pt) Método para aumentar a resistência à corrosão de um substrato cromado
ZA201808560B (en) Corrosion protection coating
ZA201705563B (en) Metal pipes with anticorrosive polyolefin covering layer
PL3286287T3 (pl) Gwintowany element rurowy wyposażony w metalową powłokę antykorozyjną i przeciwzatarciową
GB201707426D0 (en) A Substrate
ZA202000330B (en) A coated metallic substrate
PL3112124T3 (pl) Sposób powlekania przewodu rurowego
ZA202002384B (en) A coated steel substrate
EP3365477A4 (en) INHIBITION OF CORROSION
EP3523461A4 (en) ANTI-CORROSION PROCESSES
EP3227470A4 (en) Corrosion inhibition
GB201506217D0 (en) Corrosion Inhibition
ZA201800456B (en) Coated metal closures
PL3482643T3 (pl) Fajka wodna z powłoką
GB2529723B (en) A method of corrosion inhibition of metal
ZA202002390B (en) A coated steel substrate
ZA202000234B (en) A coated metallic substrate
EP3701064C0 (en) FORMULATION FOR CORROSION INHIBITION
PL2985084T3 (pl) Proces powlekania korpusu podłoża
EP3495519A4 (en) HIGHLY CORROSION RESISTANT COPPER PIPE
ZA202002389B (en) A coated steel substrate
GB201614786D0 (en) Corrosion inhibition
GB201708716D0 (en) Corrosion protection coating
GB2553813B (en) Coating
GB201610481D0 (en) Coating