ES2729113T3 - Procedimiento de tratamiento de superficie de piezas de aleación de aluminio o de magnesio - Google Patents

Procedimiento de tratamiento de superficie de piezas de aleación de aluminio o de magnesio Download PDF

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Publication number
ES2729113T3
ES2729113T3 ES13703431T ES13703431T ES2729113T3 ES 2729113 T3 ES2729113 T3 ES 2729113T3 ES 13703431 T ES13703431 T ES 13703431T ES 13703431 T ES13703431 T ES 13703431T ES 2729113 T3 ES2729113 T3 ES 2729113T3
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Spain
Prior art keywords
bath
salt
immersion
piece
corrosion
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ES13703431T
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English (en)
Spanish (es)
Inventor
Pierre Bares
Cédric Stephan
Céline Gazeau
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Mecaprotec Industries SA
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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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
ES13703431T 2012-02-10 2013-02-11 Procedimiento de tratamiento de superficie de piezas de aleación de aluminio o de magnesio Active ES2729113T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
ES2729113T3 true ES2729113T3 (es) 2019-10-30

Family

ID=47681931

Family Applications (1)

Application Number Title Priority Date Filing Date
ES13703431T Active ES2729113T3 (es) 2012-02-10 2013-02-11 Procedimiento de tratamiento de superficie de piezas de aleación de aluminio o de magnesio

Country Status (8)

Country Link
US (1) US9879347B2 (cg-RX-API-DMAC10.html)
EP (1) EP2812462B1 (cg-RX-API-DMAC10.html)
BR (1) BR112014019739B1 (cg-RX-API-DMAC10.html)
CA (1) CA2864109C (cg-RX-API-DMAC10.html)
ES (1) ES2729113T3 (cg-RX-API-DMAC10.html)
FR (1) FR2986806B1 (cg-RX-API-DMAC10.html)
TR (1) TR201908092T4 (cg-RX-API-DMAC10.html)
WO (1) WO2013117767A1 (cg-RX-API-DMAC10.html)

Families Citing this family (29)

* 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
WO2017021387A1 (de) * 2015-08-05 2017-02-09 Poligrat 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
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
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
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
BR112020015368A2 (pt) * 2018-01-30 2020-12-08 Prc-Desoto International, Inc. Sistemas e métodos para tratar um substrato de metal
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
FR3140382B1 (fr) 2022-10-04 2026-06-26 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
US20250297401A1 (en) * 2024-03-22 2025-09-25 Hamilton Sundstrand Corporation Hexavalent chromium-free hard coat maskant
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
AU2005327546A1 (en) * 2005-02-15 2006-08-24 The United States Of America, As Represented By The Secretary Of The Navy Composition and process for preparing chromium-zirconium coatings on metal substrates
CA2642365C (en) * 2006-02-14 2015-12-15 Henkel Kommanditgesellschaft Auf Aktien 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
WO2010032702A1 (ja) * 2008-09-17 2010-03-25 株式会社放電精密加工研究所 亜鉛又は亜鉛合金表面の黒色化化成処理用水溶液と該処理用水溶液を用いる黒色化防錆皮膜形成方法
US9347134B2 (en) * 2010-06-04 2016-05-24 Prc-Desoto International, Inc. Corrosion resistant metallate compositions

Also Published As

Publication number Publication date
FR2986806B1 (fr) 2015-03-20
FR2986806A1 (fr) 2013-08-16
CA2864109A1 (fr) 2013-08-15
BR112014019739A8 (pt) 2017-07-11
EP2812462A1 (fr) 2014-12-17
CA2864109C (fr) 2020-02-04
TR201908092T4 (tr) 2019-06-21
BR112014019739B1 (pt) 2020-11-24
WO2013117767A1 (fr) 2013-08-15
BR112014019739A2 (cg-RX-API-DMAC10.html) 2017-06-20
US20150020925A1 (en) 2015-01-22
US9879347B2 (en) 2018-01-30
EP2812462B1 (fr) 2019-04-10

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