CN101709465A - Mg-Zn based alloy phosphating solution and surface phosphating method - Google Patents
Mg-Zn based alloy phosphating solution and surface phosphating method Download PDFInfo
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- CN101709465A CN101709465A CN200910066302A CN200910066302A CN101709465A CN 101709465 A CN101709465 A CN 101709465A CN 200910066302 A CN200910066302 A CN 200910066302A CN 200910066302 A CN200910066302 A CN 200910066302A CN 101709465 A CN101709465 A CN 101709465A
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 64
- 239000000956 alloy Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000005406 washing Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000012286 potassium permanganate Substances 0.000 claims abstract description 6
- 238000002791 soaking Methods 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 52
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 239000012153 distilled water Substances 0.000 claims description 20
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- 239000012670 alkaline solution Substances 0.000 claims description 12
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 10
- 230000004913 activation Effects 0.000 claims description 10
- 238000001994 activation Methods 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000009996 mechanical pre-treatment Methods 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 7
- 239000010452 phosphate Substances 0.000 claims description 7
- 238000005554 pickling Methods 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- 235000017550 sodium carbonate Nutrition 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 238000002203 pretreatment Methods 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 5
- 239000001117 sulphuric acid Substances 0.000 claims description 5
- 235000011149 sulphuric acid Nutrition 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 abstract description 3
- 238000007746 phosphate conversion coating Methods 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 abstract 1
- 235000019796 monopotassium phosphate Nutrition 0.000 abstract 1
- 235000011007 phosphoric acid Nutrition 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 abstract 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 abstract 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 229910018137 Al-Zn Inorganic materials 0.000 description 2
- 229910018573 Al—Zn Inorganic materials 0.000 description 2
- 229910001051 Magnalium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229940071182 stannate Drugs 0.000 description 1
- 125000005402 stannate group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses an Mg-Zn based alloy phosphating solution, which is prepared by adding 110-130 g of monopotassium phosphate, 12-18 g of potassium permanganate and 6-10 g of citric acid per liter of water. When in phosphorization film forming treatment, pretreated Mg-Zn based alloy is soaked in the Mg-Zn based alloy phosphating solution at 15-40 DEG C for 6-10 minutes; during soaking, the solution pH value is adjusted within 4.5-6.5 by using an H3PO4 adjusting solution; and then water washing is carried out. The Mg-Zn based alloy phosphating solution can enable the Mg-Zn based alloy to form a layer of phosphate conversion coating on the surface of the Mg-Zn based alloy, wherein the phosphate conversion coating has the advantages of favorable corrosion resistance and film adhesiveness, firm attachment to matrix, even surface, uniform film layer, no poisonous elements like Chrome and the like, and pollution free; and the surface phosphating process is simple with high efficiency and low cost.
Description
Technical field
The invention belongs to technical field of magnesium alloy surface treatment, relate to a kind of Mg-Zn based alloy phosphating solution, relate to a kind of Mg-Zn based alloy surface phosphating method simultaneously.
Background technology
Magnesium alloy has that density is little, specific tenacity is high, damping property and magnetic shield performance are good, be easy to advantages such as recovery, has broad application prospects in industries such as automobile, electronics, is described as 21 century green metal structured material.But the solidity to corrosion of magnesium alloy is poor, has seriously hindered its industrial application.Therefore the surfacecti proteon of magnesium alloy is handled very important.
The surface treatment method of magnesium alloy comprises metallic coating method, anodic oxidation treatment, differential arc oxidation, chemical conversion film processing, laser surface modification etc.; wherein the chemical conversion film processing is the most frequently used process of surface treatment of magnesium alloy, has been widely used in the corrosion protection or the application bottom layer treatment of magnesium alloy.Chemical conversion film is divided into methods such as chromaking, phosphatization again.The chemical conversion film processing of research comparative maturity is the chromate treating of magnesium alloy at present, magnesium alloy after the chromic salt chromaking has good solidity to corrosion, can adapt to rigorous environment, but chrome waste liquid serious environment pollution, the health of while harm humans is so this process quilt restriction is used and will be banned gradually.And the relative method for distinguishing of bonderizing has advantages such as economy, environmental protection.
At present, the spininess of research magnesium alloy phosphating is an alloy to magnalium, as " the parkerized research of Mg alloy surface " literary composition in the non-ferrous metal processing 34 (4) (2005) (P30-31), adopts NH
4H
2PO
4100g/L, KMnO
430g/L and H
3PO
475% phosphatization liquid carries out bonderizing 2min to AZ91D (Mg-Al-Zn) magnesium alloy under 40 ℃, obtained fine and close, evenly, and and matrix metal between the conversion film of good adhesive is arranged; Material protection 34 (2) (2002) (P12-14) in " the solidity to corrosion research of magnesium alloy chromium-free chemical conversion film " literary grace add inhibiter with manganese salt and phosphoric acid salt compositional system, under 40 ℃～90 ℃, AZ31 (Mg-Al-Zn) magnesium alloy is handled 20～40min and has obtained higher corrosion proof conversion film.But magnalium is the phosphating formula of alloy scarcely is fit to Mg-Zn based alloy, and the parkerizing method report of relevant Mg-Zn based alloy is few.China YouSe Acta Metallurgica Sinica 17 (5) (2007) (P676-682) in " ZK60 magnesium alloy phosphate and stannate chemical conversion film " literary composition, adopt by Na
2HPO
4, H
3PO
4, Zn (NO
3)
2Under 50 ℃, ZK60 (Mg-Zn-Zr) magnesium alloy processing 30min has been obtained solidity to corrosion rete preferably Deng the phosphatization liquid that is made into.But for producing foundry goods in batches, treatment temp is higher, and the time is longer, the processing cost height.
Summary of the invention
The object of the present invention is to provide a kind of Mg-Zn based alloy phosphating solution, can make the Mg-Zn based alloy surface form the conversion film of good corrosion resistance.
Relate to a kind of Mg-Zn based alloy surface phosphating method simultaneously, this method technology is simple, efficient is high, cost is low.
The present invention is by the following technical solutions: Mg-Zn based alloy phosphating solution is: add the solution that 110～130g potassium primary phosphate, 12～18g potassium permanganate and 6～10g citric acid are made in every premium on currency.
Utilize Mg-Zn based alloy phosphating solution to carry out the method that the Mg-Zn based alloy alramenting is handled, technical process is pre-treatment, phosphorization filming, aftertreatment, it is characterized in that: the concrete steps of described phosphorization filming are: the Mg-Zn based alloy after pre-treatment is immersed in the Mg-Zn based alloy phosphating solution, be 15～40 ℃ in temperature and soaked 6～10 minutes down, use H in the immersion process
3PO
4Regulator solution pH value is washed in 4.5～6.5 scopes then.
Described pre-treatment is: mechanical pretreatment, alkali cleaning, pickling and activation treatment, and concrete steps are:
(1) mechanical pretreatment: with sandblast or sand papering Mg-Zn based alloy, washing then;
(2) alkali cleaning: with the alkaline solution washing, temperature is controlled at 35～48 ℃, and the time is 5～10 minutes, then washing;
(3) pickling: with the acid solution washing, temperature is a room temperature, and the time is 10～25 seconds, then washing;
(4) activation treatment: with acid fluorine-containing solution soaking, temperature is a room temperature, and the time is 40～100 seconds, then washing.
The step of described aftertreatment is: will the Mg-Zn based alloy behind phosphorization filming place 80～100 ℃, the sodium silicate solution of concentration of volume percent 5～10% to soak 20～30 minutes, then washing, drying.
Described alkaline solution is the composite alkaline solution of sodium hydroxide and yellow soda ash, adds the solution that sodium hydroxide 20～30g and yellow soda ash 20～30g are made in promptly every premium on currency.
Described acid solution is the sulphuric acid soln of concentration of volume percent 5～10%.
The fluorine-containing solution of described acidity is the hydrofluoric acid solution of concentration of volume percent 40～45%.
Described washing is to pass through ultrasonic washing 30～50 seconds in the distilled water under the room temperature.
Each moiety mass percent of described Mg-Zn based alloy is: 6～15%Zn, and 3～7%Al, 0.1～0.5%Mn, 0～10%Si, 0～0.1%AlP, surplus is Mg.
Mg-Zn based alloy phosphating solution of the present invention can make the Mg-Zn based alloy surface form one deck phosphate conversion film, this film has good solidity to corrosion and paint film tack, by force, does not contain harmful element, free of contamination advantages such as chromium with matrix adhere firmly, surfacing, even film layer, corrosion resistance.
The present invention utilizes Mg-Zn based alloy phosphating solution to carry out that the process that alramenting handles is simple, efficient is high, cost is low, and repeated use can circulate under the situation of appending the loss amount of reagent, be easy to suitability for industrialized production, and in treating processes, do not need fully to use the chromium element, so significantly reduced to the pollution of environment with to the harm of human body.
Embodiment
Embodiment 1: Mg-Zn based alloy phosphating solution is: add the solution that 110g potassium primary phosphate, 12g potassium permanganate and 6g citric acid are made in every premium on currency.
Each moiety mass percent of the handled Mg-Zn based alloy of present embodiment is: 9%Zn, and 4%Al, 0.2%Mn, surplus is Mg.
The technical process of Mg-Zn based alloy surface phosphating method:
(1) mechanical pretreatment:, passed through ultrasonic washing 30 seconds in the distilled water under the room temperature then with sandblast or sand papering Mg-Zn based alloy;
(2) alkali cleaning: with composite alkaline solution washing, temperature is controlled at 35 ℃, and the time is 10 minutes, passes through ultrasonic washing 30 seconds in the distilled water under the room temperature then; This composite alkaline solution is: add the solution that sodium hydroxide 20g and yellow soda ash 20g are made in every premium on currency;
(3) pickling: with the sulphuric acid soln washing of concentration of volume percent 5%, temperature is a room temperature, and the time is 25 seconds, passes through ultrasonic washing 30 seconds in the distilled water under the room temperature then;
(4) activation treatment: the hydrofluoric acid solution with concentration of volume percent 40% soaks, and temperature is a room temperature, and the time is 100 seconds, passes through ultrasonic washing 30 seconds in the distilled water under the room temperature then;
(5) Mg-Zn based alloy after the activation treatment is immersed in the Mg-Zn based alloy phosphating solution, be 15 ℃ in temperature and soaked 10 minutes down, use H in the immersion process
3PO
4Regulator solution pH value is 4.5, passes through ultrasonic washing 30 seconds in the distilled water under the room temperature then;
(6) will the Mg-Zn based alloy behind phosphorization filming place 80 ℃, the sodium silicate solution of concentration of volume percent 5% to soak 30 minutes, then under the room temperature in the distilled water by ultrasonic washing 30 seconds, final drying.
Embodiment 2: Mg-Zn based alloy phosphating solution is: add the solution that 120g potassium primary phosphate, 15g potassium permanganate and 8g citric acid are made in every premium on currency.
Each moiety mass percent of the handled Mg-Zn based alloy of present embodiment is: 12%Zn, and 6.5%Al, 0.8%Si, 0.3%Mn, surplus is Mg.
The technical process of Mg-Zn based alloy surface phosphating method:
(1) mechanical pretreatment:, passed through ultrasonic washing 40 seconds in the distilled water under the room temperature then with sandblast or sand papering Mg-Zn based alloy;
(2) alkali cleaning: with composite alkaline solution washing, temperature is controlled at 40 ℃, and the time is 8 minutes, passes through ultrasonic washing 40 seconds in the distilled water under the room temperature then; This composite alkaline solution is: add the solution that sodium hydroxide 25g and yellow soda ash 25g are made in every premium on currency;
(3) pickling: with the sulphuric acid soln washing of concentration of volume percent 8%, temperature is a room temperature, and the time is 20 seconds, passes through ultrasonic washing 40 seconds in the distilled water under the room temperature then;
(4) activation treatment: the hydrofluoric acid solution with concentration of volume percent 43% soaks, and temperature is a room temperature, and the time is 70 seconds, passes through ultrasonic washing 40 seconds in the distilled water under the room temperature then;
(5) Mg-Zn based alloy after the activation treatment is immersed in the Mg-Zn based alloy phosphating solution, be 30 ℃ in temperature and soaked 8 minutes down, use H in the immersion process
3PO
4Regulator solution pH value is 5, passes through ultrasonic washing 40 seconds in the distilled water under the room temperature then;
(6) will the Mg-Zn based alloy behind phosphorization filming place 90 ℃, the sodium silicate solution of concentration of volume percent 8% to soak 25 minutes, then under the room temperature in the distilled water by ultrasonic washing 40 seconds, final drying.
Embodiment 3: Mg-Zn based alloy phosphating solution is: add the solution that 130g potassium primary phosphate, 18g potassium permanganate and 10g citric acid are made in every premium on currency.
Each moiety mass percent of the handled Mg-Zn based alloy of present embodiment is: 6%Zn, and 3%Al, 6%Si, 0.4%Mn, 0.08%AlP, surplus is Mg.
The technical process of Mg-Zn based alloy surface phosphating method:
(1) mechanical pretreatment:, passed through ultrasonic washing 50 seconds in the distilled water under the room temperature then with sandblast or sand papering Mg-Zn based alloy;
(2) alkali cleaning: with composite alkaline solution washing, temperature is controlled at 48 ℃, and the time is 5 minutes, passes through ultrasonic washing 50 seconds in the distilled water under the room temperature then; This composite alkaline solution is: add the solution that sodium hydroxide 30g and yellow soda ash 30g are made in every premium on currency;
(3) pickling: with the sulphuric acid soln washing of concentration of volume percent 10%, temperature is a room temperature, and the time is 10 seconds, passes through ultrasonic washing 50 seconds in the distilled water under the room temperature then;
(4) activation treatment: the hydrofluoric acid solution with concentration of volume percent 45% soaks, and temperature is a room temperature, and the time is 40 seconds, passes through ultrasonic washing 50 seconds in the distilled water under the room temperature then;
(5) Mg-Zn based alloy after the activation treatment is immersed in the Mg-Zn based alloy phosphating solution, be 40 ℃ in temperature and soaked 6 minutes down, use H in the immersion process
3PO
4Regulator solution pH value is 6.5, passes through ultrasonic washing 50 seconds in the distilled water under the room temperature then;
(6) will the Mg-Zn based alloy behind phosphorization filming place 100 ℃, the sodium silicate solution of concentration of volume percent 10% to soak 20 minutes, then under the room temperature in the distilled water by ultrasonic washing 50 seconds, final drying.
Claims (9)
1. Mg-Zn based alloy phosphating solution, it is characterized in that: this phosphating solution is to add the solution that 110～130g potassium primary phosphate, 12～18g potassium permanganate and 6～10g citric acid are made in every premium on currency.
2. utilize the described Mg-Zn based alloy phosphating solution of claim 1 to carry out the method that the Mg-Zn based alloy alramenting is handled, technical process is pre-treatment, phosphorization filming, aftertreatment, it is characterized in that: the concrete steps of described phosphorization filming are: the Mg-Zn based alloy after pre-treatment is immersed in the Mg-Zn based alloy phosphating solution, be 15～40 ℃ in temperature and soaked 6～10 minutes down, use H in the immersion process
3PO
4Regulator solution pH value is washed in 4.5～6.5 scopes then.
3. Mg-Zn based alloy surface phosphating method as claimed in claim 2 is characterized in that: described pre-treatment is: mechanical pretreatment, alkali cleaning, pickling and activation treatment, and concrete steps are:
(1) mechanical pretreatment: with sandblast or sand papering Mg-Zn based alloy, washing then;
(2) alkali cleaning: with the alkaline solution washing, temperature is controlled at 35～48 ℃, and the time is 5～10 minutes, then washing;
(3) pickling: with the acid solution washing, temperature is a room temperature, and the time is 10～25 seconds, then washing;
(4) activation treatment: with acid fluorine-containing solution soaking, temperature is a room temperature, and the time is 40～100 seconds, then washing.
4. Mg-Zn based alloy surface phosphating method as claimed in claim 3, it is characterized in that: the step of described aftertreatment is: will the Mg-Zn based alloy behind phosphorization filming place 80～100 ℃, the sodium silicate solution of concentration of volume percent 5～10% to soak 20～30 minutes, then washing, drying.
5. Mg-Zn based alloy surface phosphating method as claimed in claim 4 is characterized in that: described alkaline solution is the composite alkaline solution of sodium hydroxide and yellow soda ash, adds the solution that sodium hydroxide 20～30g and yellow soda ash 20～30g are made in promptly every premium on currency.
6. Mg-Zn based alloy surface phosphating method as claimed in claim 5 is characterized in that: described acid solution is the sulphuric acid soln of concentration of volume percent 5～10%.
7. Mg-Zn based alloy surface phosphating method as claimed in claim 6 is characterized in that: the fluorine-containing solution of described acidity is the hydrofluoric acid solution of concentration of volume percent 40～45%.
8. Mg-Zn based alloy surface phosphating method as claimed in claim 7 is characterized in that: described washing is to pass through ultrasonic washing 30～50 seconds in the distilled water under the room temperature.
9. Mg-Zn based alloy surface phosphating method as claimed in claim 8 is characterized in that: each moiety mass percent of described Mg-Zn based alloy is: 6～15%Zn, 3～7%Al, 0.1～0.5%Mn, 0～10%Si, 0～0.1%AlP, surplus is Mg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910066302A CN101709465A (en) | 2009-10-29 | 2009-10-29 | Mg-Zn based alloy phosphating solution and surface phosphating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910066302A CN101709465A (en) | 2009-10-29 | 2009-10-29 | Mg-Zn based alloy phosphating solution and surface phosphating method |
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| CN200910066302A Pending CN101709465A (en) | 2009-10-29 | 2009-10-29 | Mg-Zn based alloy phosphating solution and surface phosphating method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498920A (en) * | 2014-11-28 | 2015-04-08 | 安徽华灿彩钢薄板科技有限公司 | Color steel plate processing method |
| CN105200419A (en) * | 2015-10-26 | 2015-12-30 | 南京万德游乐设备有限公司 | Phosphorization treatment method for surface of entertainment equipment |
| CN108385091A (en) * | 2018-03-15 | 2018-08-10 | 西安理工大学 | A kind of magnesium alloy surface chemical color method |
| CN109825866A (en) * | 2019-04-15 | 2019-05-31 | 东北大学 | A kind of preparation method of the anti-corrosion differential arc oxidation coating of alloy selfreparing |
| CN110172700A (en) * | 2019-06-26 | 2019-08-27 | 匡云叶 | A kind of Mg alloy surface treatment fluid and surface treatment method |
-
2009
- 2009-10-29 CN CN200910066302A patent/CN101709465A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498920A (en) * | 2014-11-28 | 2015-04-08 | 安徽华灿彩钢薄板科技有限公司 | Color steel plate processing method |
| CN105200419A (en) * | 2015-10-26 | 2015-12-30 | 南京万德游乐设备有限公司 | Phosphorization treatment method for surface of entertainment equipment |
| CN108385091A (en) * | 2018-03-15 | 2018-08-10 | 西安理工大学 | A kind of magnesium alloy surface chemical color method |
| CN109825866A (en) * | 2019-04-15 | 2019-05-31 | 东北大学 | A kind of preparation method of the anti-corrosion differential arc oxidation coating of alloy selfreparing |
| CN109825866B (en) * | 2019-04-15 | 2020-11-27 | 东北大学 | Preparation method of alloy self-repairing corrosion-resistant micro-arc oxidation coating |
| CN110172700A (en) * | 2019-06-26 | 2019-08-27 | 匡云叶 | A kind of Mg alloy surface treatment fluid and surface treatment method |
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