FR3051805A1 - Procede de chromatation et piece obtenue par ce procede - Google Patents
Procede de chromatation et piece obtenue par ce procede Download PDFInfo
- Publication number
- FR3051805A1 FR3051805A1 FR1654849A FR1654849A FR3051805A1 FR 3051805 A1 FR3051805 A1 FR 3051805A1 FR 1654849 A FR1654849 A FR 1654849A FR 1654849 A FR1654849 A FR 1654849A FR 3051805 A1 FR3051805 A1 FR 3051805A1
- Authority
- FR
- France
- Prior art keywords
- aluminum
- coating
- workpiece
- chromating
- layer
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000004532 chromating Methods 0.000 claims abstract description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 41
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 30
- 239000000956 alloy Substances 0.000 claims abstract description 30
- 239000011651 chromium Substances 0.000 claims abstract description 27
- 239000000126 substance Substances 0.000 claims abstract description 26
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims description 64
- 239000011248 coating agent Substances 0.000 claims description 62
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 12
- 229910052726 zirconium Inorganic materials 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 238000007654 immersion Methods 0.000 claims description 10
- 238000010297 mechanical methods and process Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 238000005011 time of flight secondary ion mass spectroscopy Methods 0.000 claims description 7
- 238000001311 chemical methods and process Methods 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 claims description 4
- 238000006056 electrooxidation reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 description 14
- 230000007797 corrosion Effects 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- 229910000838 Al alloy Inorganic materials 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 230000005226 mechanical processes and functions Effects 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 238000003486 chemical etching Methods 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 4
- 238000004949 mass spectrometry Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- LXMQZGGLHVSEBA-UHFFFAOYSA-N chromium;trihydrate Chemical compound O.O.O.[Cr] LXMQZGGLHVSEBA-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical group 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229950011008 tetrachloroethylene Drugs 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- VVXLFFIFNVKFBD-UHFFFAOYSA-N 4,4,4-trifluoro-1-phenylbutane-1,3-dione Chemical compound FC(F)(F)C(=O)CC(=O)C1=CC=CC=C1 VVXLFFIFNVKFBD-UHFFFAOYSA-N 0.000 description 1
- 229910018085 Al-F Inorganic materials 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- 229910018179 Al—F Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- -1 aluminum oxy-hydroxides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- NINOVVRCHXVOKB-UHFFFAOYSA-N dialuminum;dioxido(dioxo)chromium Chemical class [Al+3].[Al+3].[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O NINOVVRCHXVOKB-UHFFFAOYSA-N 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- KSYURTCLCUKLSF-UHFFFAOYSA-H disodium;hexafluorozirconium(2-) Chemical compound [F-].[F-].[F-].[F-].[F-].[F-].[Na+].[Na+].[Zr+4] KSYURTCLCUKLSF-UHFFFAOYSA-H 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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
- C23C22/34—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
- C23C22/78—Pretreatment of the material to be coated
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/16—Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—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
- 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)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Description
Claims (10)
- REVENDICAΉONS1. Procédé de chromatation d'une pièce (10) comprenant un alliage à base d'aluminum comprenant les étapes suivantes : - fourniture de la pièce (10) comportant sur au moins une surface de la pièce une couche à base d'oxyde d'aluminium (12) dont l'épaisseur est supérieure ou égale à 5 nm ; - immersion de la pièce (10) dans un bain de chromatation (18) comprenant du chrome III ; - réalisation d'une conversion chimique de la pièce (10) dans le bain de chromatation (18).
- 2. Procédé de chromatation selon la revendication 1, dans lequel le bain de chromatation (18) comprend du zirconium.
- 3. Procédé de chromatation selon la revendication 1 ou 2, dans lequel la couche à base d'oxyde d'aluminium (12) est une couche d'oxyde natif et dans lequel la pièce (10) et la couche à base d'oxyde d'aluminium (14) sont dégraissées avant immersion dans le bain de chromatation (18).
- 4. Procédé de chromatation selon la revendication 1 ou 2, dans lequel la couche à base d'oxyde d'aluminium (14) est formée par un procédé mécanique.
- 5. Procédé de chromatation selon la revendication 4, dans lequel le procédé mécanique comprend une étape de projection de particules solides sur la surface de la pièce (10).
- 6. Procédé de chromatation selon la revendication 4, dans lequel le procédé mécanique comprend une étape d'abrasion de la surface de la pièce (10) avec du papier abrasif ou un liquide contenant des particules abrasives.
- 7. Procédé de chromatation selon la revendication 1 ou 2, dans lequel la couche à base d'oxyde d'aluminium (14) est formée par un procédé chimique comprenant une première étape de décapage chimique de la surface de la pièce (10) suivie d'une étape d'oxydation chimique ou électrochimique de la surface de la pièce (10).
- 8. Procédé de chromatation selon l'une quelconque des revendications 1 à 7, dans lequel la couche à base d'oxyde d'aluminium (14) est obtenue en disposant la pièce (10) dans une atmosphère comprenant entre 30 à 100% d'humidité et/ou dont la température est comprise entre 30°C et 200°C.
- 9. Pièce (10) comprenant un alliage à base d'aluminium présentant, sur au moins une surface de la pièce (10), un revêtement (20) comprenant du chrome III, le revêtement (20) comprenant une surface libre (24) et ayant une épaisseur donnée, dans laquelle, dans une couche du revêtement comprise entre 15 et 30% de l'épaisseur donnée du revêtement mesurée à partir de la surface libre (24), l'intensité en unités arbitraires mesurée par TOF-SIMS en oxyde d'aluminium varie au maximum de plus ou moins 50%, préférentiellement de plus ou moins 40%, encore plus préférentiellement de plus ou moins 30%.
- 10. Pièce selon la revendication 9, dans laquelle le revêtement (20) comprenant du chrome III comprend du zirconium.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1654849A FR3051805B1 (fr) | 2016-05-30 | 2016-05-30 | Procede de chromatation et piece obtenue par ce procede |
US16/305,783 US20200040461A1 (en) | 2016-05-30 | 2017-05-30 | Chromating method and component obtained by this method |
CN201780033975.6A CN109312468A (zh) | 2016-05-30 | 2017-05-30 | 铬酸盐化方法以及由该方法获得的组件 |
PCT/FR2017/051337 WO2017207909A1 (fr) | 2016-05-30 | 2017-05-30 | Procede de chromatation et piece obtenue par ce procede |
EP17732979.4A EP3464681A1 (fr) | 2016-05-30 | 2017-05-30 | Procede de chromatation et piece obtenue par ce procede |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1654849 | 2016-05-30 | ||
FR1654849A FR3051805B1 (fr) | 2016-05-30 | 2016-05-30 | Procede de chromatation et piece obtenue par ce procede |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3051805A1 true FR3051805A1 (fr) | 2017-12-01 |
FR3051805B1 FR3051805B1 (fr) | 2018-06-15 |
Family
ID=56411773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1654849A Active FR3051805B1 (fr) | 2016-05-30 | 2016-05-30 | Procede de chromatation et piece obtenue par ce procede |
Country Status (5)
Country | Link |
---|---|
US (1) | US20200040461A1 (fr) |
EP (1) | EP3464681A1 (fr) |
CN (1) | CN109312468A (fr) |
FR (1) | FR3051805B1 (fr) |
WO (1) | WO2017207909A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070187001A1 (en) * | 2006-02-14 | 2007-08-16 | Kirk Kramer | Composition and Processes of a Dry-In-Place Trivalent Chromium Corrosion-Resistant Coating for Use on Metal Surfaces |
US20090269607A1 (en) * | 2005-01-07 | 2009-10-29 | Keihin Corporation | Cast product having aluminum-based film and process for producing the same |
EP2423284A1 (fr) * | 2010-08-30 | 2012-02-29 | United Technologies Corporation | Revêtement inhibant l'hydratation de liaisons adhésives |
WO2013117767A1 (fr) * | 2012-02-10 | 2013-08-15 | Mecaprotec Industries | Procédé de traitement de surface de pièces en alliage d'aluminium ou de magnesium |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9903020B2 (en) * | 2014-03-31 | 2018-02-27 | Applied Materials, Inc. | Generation of compact alumina passivation layers on aluminum plasma equipment components |
CN104233273A (zh) * | 2014-09-26 | 2014-12-24 | 山东大学 | 一种用于铝或铝合金表面钝化的无铬硅系钝化液、制备及使用方法 |
-
2016
- 2016-05-30 FR FR1654849A patent/FR3051805B1/fr active Active
-
2017
- 2017-05-30 WO PCT/FR2017/051337 patent/WO2017207909A1/fr unknown
- 2017-05-30 US US16/305,783 patent/US20200040461A1/en not_active Abandoned
- 2017-05-30 CN CN201780033975.6A patent/CN109312468A/zh active Pending
- 2017-05-30 EP EP17732979.4A patent/EP3464681A1/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090269607A1 (en) * | 2005-01-07 | 2009-10-29 | Keihin Corporation | Cast product having aluminum-based film and process for producing the same |
US20070187001A1 (en) * | 2006-02-14 | 2007-08-16 | Kirk Kramer | Composition and Processes of a Dry-In-Place Trivalent Chromium Corrosion-Resistant Coating for Use on Metal Surfaces |
EP2423284A1 (fr) * | 2010-08-30 | 2012-02-29 | United Technologies Corporation | Revêtement inhibant l'hydratation de liaisons adhésives |
WO2013117767A1 (fr) * | 2012-02-10 | 2013-08-15 | Mecaprotec Industries | Procédé de traitement de surface de pièces en alliage d'aluminium ou de magnesium |
Non-Patent Citations (1)
Title |
---|
ABD RABBO M F ET AL: "A study of conversion coating development on aluminium in chromate/fluoride solutions using secondary ion mass spectrometry", CORROSION SCIENCE, OXFORD, GB, vol. 18, no. 2, 1978, pages 117 - 123, XP027271366, ISSN: 0010-938X, [retrieved on 19780101] * |
Also Published As
Publication number | Publication date |
---|---|
CN109312468A (zh) | 2019-02-05 |
WO2017207909A1 (fr) | 2017-12-07 |
US20200040461A1 (en) | 2020-02-06 |
EP3464681A1 (fr) | 2019-04-10 |
FR3051805B1 (fr) | 2018-06-15 |
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