CA2864109C - Procede de traitement de surface de pieces en alliage d'aluminium ou de magnesium - Google Patents

Procede de traitement de surface de pieces en alliage d'aluminium ou de magnesium Download PDF

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Publication number
CA2864109C
CA2864109C CA2864109A CA2864109A CA2864109C CA 2864109 C CA2864109 C CA 2864109C CA 2864109 A CA2864109 A CA 2864109A CA 2864109 A CA2864109 A CA 2864109A CA 2864109 C CA2864109 C CA 2864109C
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Prior art keywords
bath
salt
corrosion
immersion
parts
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CA2864109A
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English (en)
French (fr)
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CA2864109A1 (fr
Inventor
Pierre Bares
Cedric Stephan
Celine Gazeau
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Mecaprotec Industries SA
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/56—Treatment of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/57—Treatment of magnesium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/82—After-treatment
    • C23C22/83—Chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • 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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • 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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • 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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/24—Chemical after-treatment
    • C25D11/246—Chemical after-treatment for sealing layers
    • 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
    • C25D11/02—Anodisation
    • C25D11/30—Anodisation of magnesium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
CA2864109A 2012-02-10 2013-02-11 Procede de traitement de surface de pieces en alliage d'aluminium ou de magnesium Active CA2864109C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1251268 2012-02-10
FR1251268A FR2986806B1 (fr) 2012-02-10 2012-02-10 Procede de traitement de surface de pieces en alliage d'aluminium ou de magnesium
PCT/EP2013/052701 WO2013117767A1 (fr) 2012-02-10 2013-02-11 Procédé de traitement de surface de pièces en alliage d'aluminium ou de magnesium

Publications (2)

Publication Number Publication Date
CA2864109A1 CA2864109A1 (fr) 2013-08-15
CA2864109C true CA2864109C (fr) 2020-02-04

Family

ID=47681931

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2864109A Active CA2864109C (fr) 2012-02-10 2013-02-11 Procede de traitement de surface de pieces en alliage d'aluminium ou de magnesium

Country Status (8)

Country Link
US (1) US9879347B2 (https=)
EP (1) EP2812462B1 (https=)
BR (1) BR112014019739B1 (https=)
CA (1) CA2864109C (https=)
ES (1) ES2729113T3 (https=)
FR (1) FR2986806B1 (https=)
TR (1) TR201908092T4 (https=)
WO (1) WO2013117767A1 (https=)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9790613B2 (en) * 2015-03-17 2017-10-17 Goodrich Corporation Aluminum alloy anodization
US10500145B2 (en) * 2015-06-19 2019-12-10 inkbox ink Inc. Body ink compositions and applicators
EP3332050B1 (de) * 2015-08-05 2019-05-08 SEPIES GmbH Abrieb- und haftfeste sol-gel-beschichtung auf aluminium und verfahren zur herstellung einer solchen beschichtung
CN105239134B (zh) * 2015-11-11 2017-07-21 赣南师范大学 一种提高镁合金阳极氧化膜层耐蚀性能的方法
FR3051805B1 (fr) * 2016-05-30 2018-06-15 Safran Procede de chromatation et piece obtenue par ce procede
WO2017208101A1 (de) * 2016-06-03 2017-12-07 Leistchamm Beteiligungen Ag Verfahren zur herstellung eines bauteils und ein nach dem verfahren hergestelltes bauteil
NL2017768B1 (en) * 2016-09-02 2018-03-09 Ad Productions B V Acidic aqueous composition for preparing a corrosion resistant coating on a metal substrate, method using the composition, and post-treatment composition
EP3301205B1 (en) * 2016-09-02 2019-10-09 AD Productions B.V. Acidic aqueous composition for preparing a corrosion resistant coating on a metal substrate, method for treating the metal substrate by using the composition
US10760164B2 (en) 2016-11-04 2020-09-01 Hamilton Sundstrand Corporation Two-step sealing of anodized aluminum coatings
US20180127883A1 (en) * 2016-11-04 2018-05-10 Hamilton Sundstrand Corporation Two-step sealing of anodized aluminum coatings
US10480093B2 (en) * 2017-05-12 2019-11-19 United Technologies Corporation Sealing process for an anodized aluminum-alloy surface
EP3746580A1 (en) * 2018-01-30 2020-12-09 PRC-Desoto International, Inc. Systems and methods for treating a metal substrate
US20200024766A1 (en) * 2018-07-18 2020-01-23 Leonardo S.P.A. Anodization method for corrosion protection of aluminium alloy elements used in an aircraft structure
FR3087208B1 (fr) 2018-10-16 2020-10-30 Irt Antoine De Saint Exupery Procede de traitement de surface de pieces en aluminium
CN109295464B (zh) * 2018-11-23 2020-11-03 内蒙古中铁蓝星环保清洗有限公司 一种多功能环保稀土清洗剂及其制备方法
TWI705936B (zh) * 2018-12-25 2020-10-01 國立中山大學 在液相環境中沉積金屬氧化物薄膜的方法
US12098463B2 (en) 2018-12-25 2024-09-24 National Sun Yat-Sen University Method for manufacturing amorphous multielement metal oxide hydroxide film
CN110760916B (zh) * 2019-11-18 2022-04-05 和县科嘉阀门铸造有限公司 一种提高镁合金阀门耐蚀性的方法
FR3106838B1 (fr) * 2020-01-31 2022-01-14 Safran Aircraft Engines Procede de colmatage des alliages d’aluminium
US12134830B2 (en) 2020-10-22 2024-11-05 Rtx Corporation Sealing for anodized metal
US12404590B2 (en) * 2020-11-13 2025-09-02 Rtx Corporation Hybrid sealing for anodized metal
US11926899B2 (en) * 2020-12-04 2024-03-12 Raytheon Company Process for application of oxyhydroxides coating for aluminum containing material
US20230136068A1 (en) * 2021-11-03 2023-05-04 United States Of America As Represented By The Secretary Of The Navy Corrosion resistant chromium free conversion coatings
FR3137393B1 (fr) * 2022-06-30 2025-10-31 Safran Landing Systems Piece en alliage d’aluminium et procede de fabrication associe
FR3140382A1 (fr) 2022-10-04 2024-04-05 Safran Landing Systems Procede de colmatage post-anodisation de l’aluminium et des alliages d’aluminium sans utiliser de chrome
DE102022126251A1 (de) 2022-10-11 2024-04-11 Liebherr-Aerospace Lindenberg Gmbh Verfahren zur Oberflächenbehandlung
CN116590699A (zh) * 2023-04-18 2023-08-15 瑞立集团瑞安汽车零部件有限公司 一种铝合金无铬钝化剂及其制备方法和铝合金的钝化方法
FR3164019A1 (fr) 2024-06-27 2026-01-02 Safran Aerosystems Procédé de détection d’une couche de conversion chimique ou de passivation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1014831A (en) * 1973-06-06 1977-08-02 Donald J. Melotik Rare earth metal rinse for metal coatings
US5374347A (en) * 1993-09-27 1994-12-20 The United States Of America As Represented By The Secretary Of The Navy Trivalent chromium solutions for sealing anodized aluminum
US5304257A (en) * 1993-09-27 1994-04-19 The United States Of America As Represented By The Secretary Of The Navy Trivalent chromium conversion coatings for aluminum
US6248184B1 (en) * 1997-05-12 2001-06-19 The Boeing Company Use of rare earth metal salt solutions for sealing or anodized aluminum for corosion protection and paint adhesion
US7452427B2 (en) * 2004-12-01 2008-11-18 Deft, Inc. Corrosion resistant conversion coatings
EP1848841B1 (en) * 2005-02-15 2013-03-20 The United States of America as represented by The Secretary of The Navy Composition and process for preparing chromium-zirconium coatings on metal substrates
EP1984536B1 (en) * 2006-02-14 2012-03-28 Henkel AG & Co. KGaA Composition and processes of a dry-in-place trivalent chromium corrosion-resistant coating for use on metal surfaces
CN102046843A (zh) * 2008-05-27 2011-05-04 油研工业股份有限公司 表面剂及具有由表面剂形成的外涂层的部件
KR20110054009A (ko) * 2008-09-17 2011-05-24 호덴 세이미츠 카코 켄쿄쇼 컴퍼니 리미티드 아연 또는 아연 합금 표면의 흑색화 화성 처리용 수용액과 그 처리용 수용액을 이용하는 흑색화 방청 피막 형성 방법
US9347134B2 (en) 2010-06-04 2016-05-24 Prc-Desoto International, Inc. Corrosion resistant metallate compositions

Also Published As

Publication number Publication date
US9879347B2 (en) 2018-01-30
BR112014019739B1 (pt) 2020-11-24
ES2729113T3 (es) 2019-10-30
CA2864109A1 (fr) 2013-08-15
US20150020925A1 (en) 2015-01-22
WO2013117767A1 (fr) 2013-08-15
EP2812462A1 (fr) 2014-12-17
FR2986806A1 (fr) 2013-08-16
EP2812462B1 (fr) 2019-04-10
FR2986806B1 (fr) 2015-03-20
BR112014019739A2 (https=) 2017-06-20
TR201908092T4 (tr) 2019-06-21
BR112014019739A8 (pt) 2017-07-11

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