ES2178917A1 - Tratamiento de conservacion quimica para el magnesio y sus aleaciones. - Google Patents
Tratamiento de conservacion quimica para el magnesio y sus aleaciones.Info
- Publication number
- ES2178917A1 ES2178917A1 ES200000857A ES200000857A ES2178917A1 ES 2178917 A1 ES2178917 A1 ES 2178917A1 ES 200000857 A ES200000857 A ES 200000857A ES 200000857 A ES200000857 A ES 200000857A ES 2178917 A1 ES2178917 A1 ES 2178917A1
- Authority
- ES
- Spain
- Prior art keywords
- chemical
- permanganate
- magnesium
- cleaning
- solution
- 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
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
- C23C22/07—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 phosphates
- C23C22/08—Orthophosphates
- C23C22/10—Orthophosphates containing oxidants
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Tratamiento de conversión química para el magnesio y sus aleaciones. La presente invención se refiere a un procedimiento de tratamiento de conversión química superficial de magnesio o sus aleaciones que comprende someter una pieza de magnesio o aleación del mismo a las siguientes operaciones: a) desengrasado, b) enjuague con agua, c) decapado alcalino, d) enjuague con agua, e) decapado ácido, f) enjuague con agua, g) tratamiento de conversión química mediante la aplicación sobre la pieza de un baño que consiste en una disolución acuosa de permanganato de un metal alcalino y fosfato de un metal alcalino, h) enjuague con agua, i) secado y j) almacenamiento. Se refiere también al baño de conversión química que consiste en una disolución acuosa que tiene como componentes principales permanganato de un metal alcalino y fosfato de metal alcalino, con el pH entre 2 y 5 ajustado con un ácido mineral y que se aplica a una temperatura de 20 a 40ºC; y a los productos de magnesio o sus aleaciones que llevan un revestimiento producido por dicho baño de conversión química.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200000857A ES2178917B1 (es) | 2000-04-05 | 2000-04-05 | Tratamiento de conversion quimica para el magnesio y sus aleaciones. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200000857A ES2178917B1 (es) | 2000-04-05 | 2000-04-05 | Tratamiento de conversion quimica para el magnesio y sus aleaciones. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2178917A1 true ES2178917A1 (es) | 2003-01-01 |
ES2178917B1 ES2178917B1 (es) | 2004-03-16 |
Family
ID=8493032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES200000857A Expired - Fee Related ES2178917B1 (es) | 2000-04-05 | 2000-04-05 | Tratamiento de conversion quimica para el magnesio y sus aleaciones. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2178917B1 (es) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101130864B (zh) * | 2006-08-25 | 2010-10-06 | 佛山市顺德区汉达精密电子科技有限公司 | 一种镁合金表面处理方法 |
EP2944707A1 (en) | 2014-05-16 | 2015-11-18 | Fundacion Tecnalia Research & Innovation | Conversion coating process for magnesium alloys |
CN110004454A (zh) * | 2018-01-05 | 2019-07-12 | 重庆富迪科技有限公司 | 一种镁合金表面处理方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB386739A (en) * | 1931-07-07 | 1933-01-26 | Metal Finishing Res Corp | Production of phosphate coatings on metals |
US2312855A (en) * | 1940-09-07 | 1943-03-02 | Parker Rust Proof Co | Method of coating aluminum |
GB625065A (en) * | 1945-11-23 | 1949-06-21 | Albright & Wilson | Improvements in and relating to the depositing of protective coatings or films on metal surfaces |
US3761317A (en) * | 1971-07-02 | 1973-09-25 | L Sena | Corrosion inhibitor for magnesium cells |
JPS5235340A (en) * | 1975-09-12 | 1977-03-17 | Sekisui Chem Co Ltd | Solar energy absorbing body |
JPS5698495A (en) * | 1980-01-09 | 1981-08-07 | Hitachi Ltd | Surface treatment method of magnesium or its alloy |
WO1999047729A1 (en) * | 1998-03-17 | 1999-09-23 | Matsushita Electric Industrial Co., Ltd. | Surface-treated article of magnesium or magnesium alloys, method of surface preparation and method of coating |
JP2001123274A (ja) * | 1999-10-25 | 2001-05-08 | Mitsui Mining & Smelting Co Ltd | 高耐食性表面処理マグネシウム合金製品及びその製造方法 |
-
2000
- 2000-04-05 ES ES200000857A patent/ES2178917B1/es not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB386739A (en) * | 1931-07-07 | 1933-01-26 | Metal Finishing Res Corp | Production of phosphate coatings on metals |
US2312855A (en) * | 1940-09-07 | 1943-03-02 | Parker Rust Proof Co | Method of coating aluminum |
GB625065A (en) * | 1945-11-23 | 1949-06-21 | Albright & Wilson | Improvements in and relating to the depositing of protective coatings or films on metal surfaces |
US3761317A (en) * | 1971-07-02 | 1973-09-25 | L Sena | Corrosion inhibitor for magnesium cells |
JPS5235340A (en) * | 1975-09-12 | 1977-03-17 | Sekisui Chem Co Ltd | Solar energy absorbing body |
JPS5698495A (en) * | 1980-01-09 | 1981-08-07 | Hitachi Ltd | Surface treatment method of magnesium or its alloy |
WO1999047729A1 (en) * | 1998-03-17 | 1999-09-23 | Matsushita Electric Industrial Co., Ltd. | Surface-treated article of magnesium or magnesium alloys, method of surface preparation and method of coating |
JP2001123274A (ja) * | 1999-10-25 | 2001-05-08 | Mitsui Mining & Smelting Co Ltd | 高耐食性表面処理マグネシウム合金製品及びその製造方法 |
Non-Patent Citations (3)
Title |
---|
[en línea] [recuperado el 22.11.2002]. Recuperado de: EPI WPI Database & JP 56098495 A (MIYAZAWA OSAMU) 07.08.1981 * |
[en línea] [recuperado el 22.11.2002]. Recuperado de: EPO WPI Database & JP 2001123274 A (MITSUI MINING & SMELTING CO) 09.05.2001 * |
[en línea] [recuperado el 22.11.2002]. Recuperado de: EPO WPI Database & JP 52035340 A (SEKISUI CHEMICAL KK) 17.03.1977 (resumen) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101130864B (zh) * | 2006-08-25 | 2010-10-06 | 佛山市顺德区汉达精密电子科技有限公司 | 一种镁合金表面处理方法 |
EP2944707A1 (en) | 2014-05-16 | 2015-11-18 | Fundacion Tecnalia Research & Innovation | Conversion coating process for magnesium alloys |
CN110004454A (zh) * | 2018-01-05 | 2019-07-12 | 重庆富迪科技有限公司 | 一种镁合金表面处理方法 |
Also Published As
Publication number | Publication date |
---|---|
ES2178917B1 (es) | 2004-03-16 |
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Legal Events
Date | Code | Title | Description |
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EC2A | Search report published |
Date of ref document: 20030101 Kind code of ref document: A1 |
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