CN104032294A - Surface treatment process of magnesium alloy product - Google Patents
Surface treatment process of magnesium alloy product Download PDFInfo
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- CN104032294A CN104032294A CN201410258880.2A CN201410258880A CN104032294A CN 104032294 A CN104032294 A CN 104032294A CN 201410258880 A CN201410258880 A CN 201410258880A CN 104032294 A CN104032294 A CN 104032294A
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Abstract
The invention relates to the technical field of metal material surface treatment, and particularly relates to a surface treatment process of a magnesium alloy product. The surface treatment process comprises the following processing steps: (1) removing greasy dirt on the surface of a magnesium alloy workpiece; (2) removing an oxide on the surface of the magnesium alloy workpiece; (3) processing the magnesium alloy workpiece in a surface treating agent solution; (4) carrying out cathode electrophoretic painting on the magnesium alloy workpiece; (5) solidifying and baking the workpiece after electrophoretic painting. The component formula of the treating agent in the surface treatment process of the magnesium alloy product provided by the technical scheme disclosed by the invention is wide in raw material source, low in cost, stable in bath solution, not easy in generation of sediments, safe and environment-friendly in component in the use procedure, the late solderability of the magnesium alloy metal product is not affected, and the surface treatment process of the magnesium alloy product is simple, applicable to treatment of the surface of the magnesium alloy metal product, convenient and practical, and applicable to popularization and application.
Description
Technical field
The present invention relates to the process of surface treatment of metal material surface processing technology field, particularly a kind of magnesium alloy product.
Background technology
Magnesium alloy is common alloy material in life, main alloy element has aluminium, zinc, manganese, cerium, thorium and a small amount of zirconium or cadmium etc., magnesium alloy has the high-performances such as mechanical workout energy is good, specific tenacity is high, cushioning ability good, electromagnetic wave shielding is good, hydrogen storage property is good, thermal conductivity is good, high, the easy machining of Die Casting rate, easy recovery, be a kind of light metal structure material of superior performance, in industries such as Aeronautics and Astronautics, electronics, automobile and medical devices, there is widespread use.But magnesium has the poor feature of solidity to corrosion, magnesium alloy has the shortcoming being easily corroded in the process of application.Type about the corrosion of magnesium alloy product is a lot, according to corrosive property, can be divided into galvanic corrosion, stress corrosion crack, filiform corrosion, crevice corrosion etc.The corrosion proof research of relevant magnesium alloy, it is the problem that Steel Wire Products Industry technician pays close attention to all the time, therefore, carry out Corrosion Behaviors of Magnesium Alloys Protective Research, the application of magnesium alloy and popularization are had a very big significance, and the process of surface treatment of the magnesium alloy product of develop a kind of starting material wide material sources, production cost is lower, technique is simple, easily realizing is the current problem that will study.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, the process of surface treatment of the magnesium alloy product of provide a kind of starting material wide material sources, production cost is lower, technique is simple, easily realizing.
The technical solution adopted for the present invention to solve the technical problems is: a kind of process of surface treatment of magnesium alloy product, and this process of surface treatment has following processing step:
(1) adopt the greasy dirt of the aqueous cleaning removal magnesium alloy work-piece surface of magnesium alloy degreasing powder;
(2) adopt the oxide compound of the aqueous cleaning removal magnesium alloy work-piece surface of magnesium alloy pickling agent;
(3) magnesium alloy workpiece is processed in surface treatment agent solution, wherein, count by weight, the recipe ingredient of described surface treatment agent solution is: zinc oxide 10-18 part, phosphoric acid 8-14 part, Sodium Fluoride 3-5 part, SODIUMNITRATE 8-14 part, ammonium molybdate 1-2 part, ammonium sulfate 4-8 part, Sodium palmityl sulfate 4-6 part, deionized water 60-88 part, the treatment time under normal temperature is 15-20min;
(4) magnesium alloy workpiece is carried out to cathode electro-coating, cathode electrophoresis dope used is epoxy acrylic cathode electrophoresis dope;
(5) workpiece after electrophoretic painting is cured to baking, temperature is that 140-160 ℃, time are 15-20min.
Further, the tb-00106 type product that described magnesium alloy degreasing powder provides for Shanghai Tong Bo material Science and Technology Ltd..
Further, the BW-288 type product that described magnesium alloy pickling agent provides for Beijing Ai Ersimu Science and Technology Ltd..
Further, the recipe ingredient of described surface treatment agent solution is: 13.5 parts, zinc oxide, 1 part of phosphatase 11,4.2 parts of Sodium Fluorides, 10.5 parts of SODIUMNITRATE, 1.7 parts of ammonium molybdates, 5.5 parts, ammonium sulfate, 4 parts of Sodium palmityl sulfates, 75 parts of deionized waters.
Further, the concentration of polymer solution of described magnesium alloy degreasing powder is 5-8%, and the concentration of polymer solution of magnesium alloy pickling agent is 12-18%.
Beneficial effect: the component formula for the treatment of agent in the process of surface treatment of the magnesium alloy product that technical scheme of the present invention provides, starting material wide material sources, cost is lower, its in use, tank liquor is stable, be not prone to sediment, component safety and environmental protection, do not affect the weldability in magnesium alloy metal products later stage, the process of surface treatment of magnesium alloy product is comparatively simple, is applicable to the processing to magnesium alloy metal products surface, convenient and practical, suitable applying.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described; described embodiment is only a part of embodiment of the present invention; be not restricted to the present invention; embodiment based in the present invention; those of ordinary skills obtain other embodiments of the invention not making under creative work prerequisite, and these all belong to protection scope of the present invention.
Embodiment mono-
A process of surface treatment for magnesium alloy product, this process of surface treatment has following processing step:
(1) adopt the greasy dirt of the aqueous cleaning removal magnesium alloy work-piece surface of magnesium alloy degreasing powder;
(2) adopt the oxide compound of the aqueous cleaning removal magnesium alloy work-piece surface of magnesium alloy pickling agent;
(3) magnesium alloy workpiece is processed in surface treatment agent solution, wherein, count by weight, the recipe ingredient of described surface treatment agent solution is: 13.5 parts, zinc oxide, 1 part of phosphatase 11,4.2 parts of Sodium Fluorides, 10.5 parts of SODIUMNITRATE, 1.7 parts of ammonium molybdates, 5.5 parts, ammonium sulfate, 4 parts of Sodium palmityl sulfates, 75 parts of deionized waters, the treatment time under normal temperature is 15-20min;
(4) magnesium alloy workpiece is carried out to cathode electro-coating, cathode electrophoresis dope used is epoxy acrylic cathode electrophoresis dope;
(5) workpiece after electrophoretic painting is cured to baking, temperature is that 140-160 ℃, time are 15-20min.
Further, the tb-00106 type product that described magnesium alloy degreasing powder provides for Shanghai Tong Bo material Science and Technology Ltd.; The BW-288 type product that described magnesium alloy pickling agent provides for Beijing Ai Ersimu Science and Technology Ltd., the concentration of polymer solution of magnesium alloy degreasing powder is 7%, the concentration of polymer solution of magnesium alloy pickling agent is 15%.
Embodiment bis-
A process of surface treatment for magnesium alloy product, this process of surface treatment has following processing step:
(1) adopt the greasy dirt of the aqueous cleaning removal magnesium alloy work-piece surface of magnesium alloy degreasing powder;
(2) adopt the oxide compound of the aqueous cleaning removal magnesium alloy work-piece surface of magnesium alloy pickling agent;
(3) magnesium alloy workpiece is processed in surface treatment agent solution, wherein, count by weight, the recipe ingredient of described surface treatment agent solution is: 10 parts, zinc oxide, 8 parts of phosphoric acid, 3 parts of Sodium Fluorides, 10.5 parts of SODIUMNITRATE, 1.7 parts of ammonium molybdates, 5 parts, ammonium sulfate, 4 parts of sodium lauryl sulphate, 62 parts of deionized waters, the treatment time under normal temperature is 15-20min;
(4) magnesium alloy workpiece is carried out to cathode electro-coating, cathode electrophoresis dope used is epoxy acrylic cathode electrophoresis dope;
(5) workpiece after electrophoretic painting is cured to baking, temperature is that 140-160 ℃, time are 15-20min.
Further, the tb-00106 type product that described magnesium alloy degreasing powder provides for Shanghai Tong Bo material Science and Technology Ltd.; The BW-288 type product that described magnesium alloy pickling agent provides for Beijing Ai Ersimu Science and Technology Ltd., the concentration of polymer solution of magnesium alloy degreasing powder is 6%, the concentration of polymer solution of magnesium alloy pickling agent is 17%.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (5)
1. a process of surface treatment for magnesium alloy product, is characterized in that: this process of surface treatment has following processing step:
(1) adopt the greasy dirt of the aqueous cleaning removal magnesium alloy work-piece surface of magnesium alloy degreasing powder;
(2) adopt the oxide compound of the aqueous cleaning removal magnesium alloy work-piece surface of magnesium alloy pickling agent;
(3) magnesium alloy workpiece is processed in surface treatment agent solution, wherein, count by weight, the recipe ingredient of described surface treatment agent solution is: zinc oxide 10-18 part, phosphoric acid 8-14 part, Sodium Fluoride 3-5 part, SODIUMNITRATE 8-14 part, ammonium molybdate 1-2 part, ammonium sulfate 4-8 part, Sodium palmityl sulfate 4-6 part, deionized water 60-88 part, the treatment time under normal temperature is 15-20min;
(4) magnesium alloy workpiece is carried out to cathode electro-coating, cathode electrophoresis dope used is epoxy acrylic cathode electrophoresis dope;
(5) workpiece after electrophoretic painting is cured to baking, temperature is that 140-160 ℃, time are 15-20min.
2. the process of surface treatment of a kind of magnesium alloy product according to claim 1, is characterized in that: the tb-00106 type product that described magnesium alloy degreasing powder provides for Shanghai Tong Bo material Science and Technology Ltd..
3. the process of surface treatment of a kind of magnesium alloy product according to claim 1, is characterized in that: the BW-288 type product that described magnesium alloy pickling agent provides for Beijing Ai Ersimu Science and Technology Ltd..
4. the process of surface treatment of a kind of magnesium alloy product according to claim 1, it is characterized in that: the recipe ingredient of described surface treatment agent solution is: 13.5 parts, zinc oxide, 1 part of phosphatase 11,4.2 parts of Sodium Fluorides, 10.5 parts of SODIUMNITRATE, 1.7 parts of ammonium molybdates, 5.5 parts, ammonium sulfate, 4 parts of Sodium palmityl sulfates, 75 parts of deionized waters.
5. the process of surface treatment of a kind of magnesium alloy product according to claim 1, is characterized in that: the concentration of polymer solution of described magnesium alloy degreasing powder is 5-8%, and the concentration of polymer solution of magnesium alloy pickling agent is 12-18%.
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| CN201410258880.2A CN104032294A (en) | 2014-06-11 | 2014-06-11 | Surface treatment process of magnesium alloy product |
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| CN201410258880.2A CN104032294A (en) | 2014-06-11 | 2014-06-11 | Surface treatment process of magnesium alloy product |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396355A (en) * | 2018-03-29 | 2018-08-14 | 山西银光华盛镁业股份有限公司 | A kind of magnesium alloy black galvanic couple anodic oxidation electrolyte and electrolytic method |
| CN108546976A (en) * | 2018-05-11 | 2018-09-18 | 王康 | A kind of magnesium alloy product color method |
| CN110923784A (en) * | 2019-11-29 | 2020-03-27 | 江苏竣昌科技有限公司 | Surface treatment method of magnesium alloy die casting |
| CN112584294A (en) * | 2020-12-03 | 2021-03-30 | 昆山思瑞奕电子有限公司 | Manufacturing method of light and thin alloy diaphragm |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376978A (en) * | 2008-09-12 | 2009-03-04 | 江苏友邦精工实业有限公司 | Surface treating process for iron finished piece |
| CN103469282A (en) * | 2013-09-27 | 2013-12-25 | 昆山纯柏精密五金有限公司 | Preprocessing method of magnesium alloy electro-coating technology |
| CN103526265A (en) * | 2013-09-27 | 2014-01-22 | 昆山纯柏精密五金有限公司 | Surface treatment process for magnesium alloy |
-
2014
- 2014-06-11 CN CN201410258880.2A patent/CN104032294A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376978A (en) * | 2008-09-12 | 2009-03-04 | 江苏友邦精工实业有限公司 | Surface treating process for iron finished piece |
| CN103469282A (en) * | 2013-09-27 | 2013-12-25 | 昆山纯柏精密五金有限公司 | Preprocessing method of magnesium alloy electro-coating technology |
| CN103526265A (en) * | 2013-09-27 | 2014-01-22 | 昆山纯柏精密五金有限公司 | Surface treatment process for magnesium alloy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396355A (en) * | 2018-03-29 | 2018-08-14 | 山西银光华盛镁业股份有限公司 | A kind of magnesium alloy black galvanic couple anodic oxidation electrolyte and electrolytic method |
| CN108546976A (en) * | 2018-05-11 | 2018-09-18 | 王康 | A kind of magnesium alloy product color method |
| CN110923784A (en) * | 2019-11-29 | 2020-03-27 | 江苏竣昌科技有限公司 | Surface treatment method of magnesium alloy die casting |
| CN112584294A (en) * | 2020-12-03 | 2021-03-30 | 昆山思瑞奕电子有限公司 | Manufacturing method of light and thin alloy diaphragm |
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Application publication date: 20140910 |