CN104018150A - Aluminum alloy oxidation treatment solution - Google Patents
Aluminum alloy oxidation treatment solution Download PDFInfo
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- CN104018150A CN104018150A CN201410290020.7A CN201410290020A CN104018150A CN 104018150 A CN104018150 A CN 104018150A CN 201410290020 A CN201410290020 A CN 201410290020A CN 104018150 A CN104018150 A CN 104018150A
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- aluminum alloy
- oxidation treatment
- treatment solution
- alloy oxidation
- aluminate
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Abstract
The invention discloses an aluminum alloy oxidation treatment solution which is a water solution prepared from the following components in massic volume percentage: 0.1-2% of anhydrous sodium carbonate, 0.05-2% of gluconate, 0.01-0.3% of a manganese compound, 0.05-0.5% of fluoride, 0.1-2% of aluminate, 0.05-0.5% of citrate, 0.05-2% of tartrate and 0.05-2% of inorganic acid. According to the invention, defects in the prior art are overcome, and a chemical aluminum alloy oxidation solution which is simple in component, reasonable in formula, remarkably changed in appearance after being oxidized, favorable in film corrosion resistance, environmental friendly and economic is provided.
Description
Technical field
The present invention relates to aluminum alloy surface processing technology field, specifically belong to a kind of aluminum alloy oxidation treatment solution.
Background technology
Aluminium alloy is as a kind of Industrial materials of widespread use, because having high-strength and high ductility, being highly subject to multiple industry as the extensive concern of aerospace, automobile, refrigeration industry, precision instrument etc. than characteristics such as strong Gao Bimo, heat-proof corrosion-resistant, machine-shaping are easy.Because the surface hardness of aluminium alloy is low, be easily worn, therefore, after the machine-shaping of aluminium part, often require to carry out surface treatment.In prior art, modal surface treatment is the chemical oxidation treatment that uses oxidation treatment solution.Associativity between rete and aluminium substrate that prior art treatment soln forms is not ideal enough, thereby, while using this treatment soln to carry out oxide treatment, need to carry out strict control to processing condition etc., increase operation easier and affected production efficiency.
Summary of the invention
The object of this invention is to provide a kind of aluminum alloy oxidation treatment solution, overcome the deficiencies in the prior art, provide a kind of and form simply, fill a prescription rationally, after oxidation, outward appearance has considerable change, membranous layer corrosion resistance can be good, environmental protection and economic chemical oxidation liquid for aluminum alloy.
The technical solution used in the present invention is as follows:
A kind of aluminum alloy oxidation treatment solution, is assigned as the aqueous solution of system: anhydrous sodium carbonate 0.1～2% by the group of following quality volume percent; Gluconate 0.05～2%; Manganic compound 0.01～0.3%; Fluorochemical 0.05～0.5%; Aluminate 0.1～2%; Citrate trianion 0.05～0.5%; Tartrate 0.05～2%; Mineral acid 0.05～2%.
Described manganic compound is one or more in potassium permanganate, manganous sulfate, manganous phosphate.
Described fluorochemical is one or more in Sodium Fluoride, Sodium Silicofluoride or its sylvite, ammonium salt.
Described aluminate is one or more in sodium aluminate or its sylvite, ammonium salt.
Described Citrate trianion is one or more in Trisodium Citrate or its sylvite, ammonium salt.
The pH value of described solution is between 4.5～5.5.
Described component proportion anhydrous sodium carbonate 1%; Gluconate 1%; Manganic compound 0.15%; Fluorochemical 0.2%; Aluminate 1%; Citrate trianion 0.2%; Tartrate 0.1%; Mineral acid 0.3%.
Compared with the prior art, beneficial effect of the present invention is as follows:
When oxidation treatment solution of the present invention carries out oxide treatment, the control of processing condition is required relatively low, be more convenient for operation; The use of oxidation treatment solution is not subject to the restriction of part dimension and shape, is suitable for the surface treatment of various Al alloy parts; The preparation for the treatment of soln is simple, and cost is low, and due to not containing hypertoxic sexavalent chrome, belongs to environmental protection treatment solution, applies unrestricted.
Embodiment
A kind of aluminum alloy oxidation treatment solution, is assigned as the aqueous solution of system: the pH value of solution is between 4.5～5.5 by the group of following quality volume percent.Component proportion anhydrous sodium carbonate 1%; Gluconate 1%; Manganic compound 0.15%; Fluorochemical 0.2%; Aluminate 1%; Citrate trianion 0.2%; Tartrate 0.1%; Mineral acid 0.3%.Described manganic compound is one or more in potassium permanganate, manganous sulfate, manganous phosphate; Described fluorochemical is one or more in Sodium Fluoride, Sodium Silicofluoride or its sylvite, ammonium salt; Described aluminate is one or more in sodium aluminate or its sylvite, ammonium salt; Described Citrate trianion is one or more in Trisodium Citrate or its sylvite, ammonium salt.
Claims (7)
1. an aluminum alloy oxidation treatment solution, is characterized in that being assigned as by the group of following quality volume percent the aqueous solution of system: anhydrous sodium carbonate 0.1～2%; Gluconate 0.05～2%; Manganic compound 0.01～0.3%; Fluorochemical 0.05～0.5%; Aluminate 0.1～2%; Citrate trianion 0.05～0.5%; Tartrate 0.05～2%; Mineral acid 0.05～2%.
2. a kind of aluminum alloy oxidation treatment solution according to claim 1, is characterized in that: described manganic compound is one or more in potassium permanganate, manganous sulfate, manganous phosphate.
3. a kind of aluminum alloy oxidation treatment solution according to claim 1, is characterized in that: described fluorochemical is one or more in Sodium Fluoride, Sodium Silicofluoride or its sylvite, ammonium salt.
4. a kind of aluminum alloy oxidation treatment solution according to claim 1, is characterized in that: described aluminate is one or more in sodium aluminate or its sylvite, ammonium salt.
5. a kind of aluminum alloy oxidation treatment solution according to claim 1, is characterized in that: described Citrate trianion is one or more in Trisodium Citrate or its sylvite, ammonium salt.
6. a kind of aluminum alloy oxidation treatment solution according to claim 1, is characterized in that: the pH value of described solution is between 4.5～5.5.
7. a kind of aluminum alloy oxidation treatment solution according to claim 1, is characterized in that: described component proportion anhydrous sodium carbonate 1%; Gluconate 1%; Manganic compound 0.15%; Fluorochemical 0.2%; Aluminate 1%; Citrate trianion 0.2%; Tartrate 0.1%; Mineral acid 0.3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410290020.7A CN104018150A (en) | 2014-06-20 | 2014-06-20 | Aluminum alloy oxidation treatment solution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290020.7A CN104018150A (en) | 2014-06-20 | 2014-06-20 | Aluminum alloy oxidation treatment solution |
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| CN104018150A true CN104018150A (en) | 2014-09-03 |
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| CN201410290020.7A Pending CN104018150A (en) | 2014-06-20 | 2014-06-20 | Aluminum alloy oxidation treatment solution |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104911594A (en) * | 2015-07-03 | 2015-09-16 | 合肥卡诺汽车空调有限公司 | Deburring reagent for air conditioner electric control heat sink |
| CN105441929A (en) * | 2015-12-18 | 2016-03-30 | 安徽卧龙泵阀股份有限公司 | Passivating treatment process for pump case |
| CN107974703A (en) * | 2017-12-07 | 2018-05-01 | 佛山市高明高盛铝业有限公司 | A kind of preparation method of resistance to marine environment aluminum alloy surface protective layer |
| CN109536939A (en) * | 2019-01-23 | 2019-03-29 | 安徽启明表面技术有限公司 | Chrome-free oxidation treatment solution of aluminium alloy and preparation method thereof |
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| US4569699A (en) * | 1985-05-08 | 1986-02-11 | The Dow Chemical Company | Method for providing a corrosion resistant coating for magnesium containing materials |
| CN101892478A (en) * | 2010-06-30 | 2010-11-24 | 苏州热工研究院有限公司 | Aluminium alloy chemically blackening treatment technique and chemically blackening solution used in same |
| CN101892476A (en) * | 2010-06-30 | 2010-11-24 | 苏州热工研究院有限公司 | Chemical oxidation treatment solution for aluminum alloy |
| CN103374717A (en) * | 2013-06-28 | 2013-10-30 | 天长市京发铝业有限公司 | Chemical oxidation treatment solution of aluminum and aluminum alloy |
| CN103374720A (en) * | 2013-07-02 | 2013-10-30 | 天长市京发铝业有限公司 | Aluminum alloy oxidation solution and oxidation process using solution |
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2014
- 2014-06-20 CN CN201410290020.7A patent/CN104018150A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4569699A (en) * | 1985-05-08 | 1986-02-11 | The Dow Chemical Company | Method for providing a corrosion resistant coating for magnesium containing materials |
| CN101892478A (en) * | 2010-06-30 | 2010-11-24 | 苏州热工研究院有限公司 | Aluminium alloy chemically blackening treatment technique and chemically blackening solution used in same |
| CN101892476A (en) * | 2010-06-30 | 2010-11-24 | 苏州热工研究院有限公司 | Chemical oxidation treatment solution for aluminum alloy |
| CN103374717A (en) * | 2013-06-28 | 2013-10-30 | 天长市京发铝业有限公司 | Chemical oxidation treatment solution of aluminum and aluminum alloy |
| CN103374720A (en) * | 2013-07-02 | 2013-10-30 | 天长市京发铝业有限公司 | Aluminum alloy oxidation solution and oxidation process using solution |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104911594A (en) * | 2015-07-03 | 2015-09-16 | 合肥卡诺汽车空调有限公司 | Deburring reagent for air conditioner electric control heat sink |
| CN105441929A (en) * | 2015-12-18 | 2016-03-30 | 安徽卧龙泵阀股份有限公司 | Passivating treatment process for pump case |
| CN107974703A (en) * | 2017-12-07 | 2018-05-01 | 佛山市高明高盛铝业有限公司 | A kind of preparation method of resistance to marine environment aluminum alloy surface protective layer |
| CN109536939A (en) * | 2019-01-23 | 2019-03-29 | 安徽启明表面技术有限公司 | Chrome-free oxidation treatment solution of aluminium alloy and preparation method thereof |
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Application publication date: 20140903 |