CN105506531A - Method for producing coating for AZ91D magnesium alloy vehicle active safety device component - Google Patents
Method for producing coating for AZ91D magnesium alloy vehicle active safety device component Download PDFInfo
- Publication number
- CN105506531A CN105506531A CN201610015924.8A CN201610015924A CN105506531A CN 105506531 A CN105506531 A CN 105506531A CN 201610015924 A CN201610015924 A CN 201610015924A CN 105506531 A CN105506531 A CN 105506531A
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- CN
- China
- Prior art keywords
- magnesium alloy
- active safety
- material layer
- az91d magnesium
- surface material
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- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
Abstract
The invention discloses a method for producing a coating for an AZ91D magnesium alloy vehicle active safety device component. The method is characterized by comprising the steps of conducting cleaning, degreasing, rust removal, washing and drying on the surface of the AZ91D magnesium alloy vehicle active safety device component, and immediately conducting protection with inert gas; adopting uniformly-mixed composite powder with the constituents being Ni-Cr-Ce-La-In, and forming a surface material layer on the surface of the AZ91D magnesium alloy vehicle active safety device component through a plasma arc spraying method, wherein the main constituents of the surface material layer are Ni-Cr-Ce-La-In, the diameters or the length dimensions of 75% or above of microcrystal units or particles of the surface material layer are within the range from 1 nm to 1500 nm, the different microcrystal units or particles are in close integration, the component surface material layer and a base material are integrated into a whole, and more than the distance, located within more than 30% of the contact surface area of the component surface material layer and the base material, between the component surface material layer and an atom order region of the base material is not more than 4 nm.
Description
Technical field
The present invention relates to a kind of AZ91D magnesium alloy auto active safety feature part and be coated with layer manufacturing method.
Background technology
At one of metal that AZ91D magnesium alloy is the lightest in practical metallic substance on automobile, have high specific tenacity, specific rigidity, the features such as excellent damping property and machinability, are suitable for part light-weight design material.The AZ91D magnesium alloy parts carrying out the process of surface anti-oxidation corrosion technology has good antiseptic property, has good mechanical property, can be used for producing automobile and other various parts.
Tire active safety feature is a kind of emergent active safety feature of blowing out be arranged in doughnut, on wheel hub, operating doughnut can be avoided to blow out and the various traffic accidents caused, driving vehicle can also continue controlled traveling 10-50 kilometer, can safety stop, the life security of support vehicles and occupant.The tire active safety feature that employing AZ91D magnesium alloy is made owing to affecting by the condition such as road conditions, weather in actual vehicle traveling process, must require that there is good surface anti-oxidation corrosive nature, just can have and avoid operating doughnut to blow out and the active safety effect of the various traffic accidents caused.
Literature search and patent search result, the corrosion treatment of existing AZ91D magnesium alloy parts surface anti-oxidation is mainly: 1. chemical nickel plating; 2. thermospray (hot jet DIFFUSION TREATMENT); 3. anodic oxidation; 4. plasma micro-arc anodic oxidation; 5. chemical conversion film; 6. deposition technique; 7. ion implantation technique; 8. laser treatment technique; 9. fluorine-containing synergism coat manufacture method; 10. organic or polymeric coating layer manufacture method technology etc.Because AZ91D magnesium alloy auto active safety feature part has certain rough and uneven in surface complex structure feature, up to the present, the surface treatment of AZ91D magnesium alloy auto active safety feature part adopts anode oxidation process usually, does not also have a kind of economic and practical environment friendly coated layer manufacturing method technology can make AZ91D magnesium alloy auto active safety feature part under harsh environment, provide the barrier propterty of abundance.Therefore, the anti-oxidation erosive fabrication techniques of AZ91D magnesium alloy auto active safety feature piece surface of environment-friendly type that exploiting economy is suitable for has using value.
Literature search and patent search result, at present domestic also do not have the nanometer Cr-Ce-La-In composite anti-corrosive of AZ91D magnesium alloy auto active safety feature piece surface to be coated with layer manufacturing method or be greater than 30% the corrosion protection coating of corrosion protection coating contact surface area and body material atomic ordered offset from the painting layer manufacturing method Patents reported in literature be not more than for 4nm.Therefore, the nanometer Cr-Ce-La-In composite anti-corrosive developing the AZ91D magnesium alloy auto active safety feature piece surface of environment-friendly type is coated with layer manufacturing method and has obvious novelty and Practical significance.
Summary of the invention
Task of the present invention is to provide a kind of AZ91D magnesium alloy auto active safety feature part and is coated with layer manufacturing method, and task of the present invention is achieved by the following technical solution: a kind of AZ91D magnesium alloy auto active safety feature part be coated with layer manufacturing method be the surface of AZ91D magnesium alloy auto active safety feature part is carried out clean, oil removing, rust cleaning, cleaning, dry and blanketing with inert gas immediately, under the condition of protection of inert gas, be Ni-Cr-Ce-La-In by composition, and be no less than 80%(wt% containing Ni), Cr is no less than 10%(wt%), measuring containing Ce is 0.5% ~ 1.5%(wt%), measuring containing La is 0.4% ~ 1%(wt%), containing In amount be 0.4% ~ 0.6%(wt%) composite powder, these composite powders are through being fully uniformly mixed, under the condition of protection of inert gas, plasma spraying method is adopted to form a surface material layer at AZ91D magnesium alloy auto active safety feature piece surface, the major ingredient of surface material layer is Ni-Cr-Ce-La-In, and be no less than 80%(wt% containing Ni), Cr is no less than 10%(wt%), measuring containing Ce is 0.5% ~ 1.5%(wt%), measuring containing La is 0.4% ~ 1%(wt%), measuring containing In is 0.4% ~ 0.6%(wt%), the diameter being no less than 75% microcrystal unit or particulate of surface material layer or length dimension are at 1 ~ 1500nm, different microcrystal unit or particulate are combined closely, piece surface material layer becomes to be integrated with body material, and be greater than the piece surface material layer of 30% and the piece surface material layer of body material contact surface area and body material atomic ordered offset from being not more than for 4nm, form a kind of AZ91D magnesium alloy auto active safety feature part and be coated with layer manufacturing method.
Present inventor is through further investigation for many years, find in the process of employing top coat manufacture method of the present invention, particularly under doughnut long-time running environment, an effective means for raising AZ91D magnesium alloy auto active safety feature part corrosion resistance nature, because this painting layer manufacturing method can reduce corrosion attack and the corrosive shake in fatigue crack initiation place and the harm of corrosion pit that AZ91D magnesium alloy auto active safety feature piece surface is subject to, and then decrease the germinating of fatigue cracking, improve the anticorrosive and anti-fatigue ability of AZ91D magnesium alloy auto active safety feature part.Compared with common Ni base or Ni-Cr base magnesium alloy coating manufacture method, the present invention is at composition, composition, working mechanism, the aspects such as performance, there is obvious difference, especially: by with the addition of containing Ce amount be 0.5% ~ 1.5%(wt%), measuring containing La is 0.4% ~ 1%(wt%), measuring containing In is 0.4% ~ 0.6%(wt%), the element acting in conjunction of these 3 kinds of optimum formula amounts, the diameter being no less than 75% microcrystal unit or particulate of surface material layer or length dimension are at 1 ~ 1500nm and be greater than the piece surface material layer of 30% and the piece surface material layer of body material contact surface area and body material atomic ordered offset from being not more than for 4nm, there is obvious novelty.Therefore, a kind of AZ91D magnesium alloy auto active safety feature part of the present invention is coated with layer manufacturing method and has significantly innovation and send out and Practical significance.
It is simple that the present invention has structure, and economic serviceability is strong, good to the anti-oxidation corrosive nature of AZ91D magnesium alloy auto active safety feature piece surface, is applicable to the feature of batch production.
Accompanying drawing explanation
Fig. 1 is the coating structure schematic diagram that a kind of AZ91D magnesium alloy auto active safety feature part painting layer manufacturing method of the embodiment of the present invention 1 is formed.
Fig. 2 is coating 15000 times of scanning electron microscope images that a kind of AZ91D magnesium alloy auto active safety feature part painting layer manufacturing method of the embodiment of the present invention 1 is formed.
In accompanying drawing, 1-surface material layer, 2-body material.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
AZ91D magnesium alloy auto active safety feature part of the present invention be coated with layer manufacturing method be the surface of AZ91D magnesium alloy auto active safety feature part is carried out clean, oil removing, rust cleaning, cleaning, dry and blanketing with inert gas immediately, in the condition of protection of inert gas, be Ni-Cr-Ce-La-In by composition, and be no less than 80%(wt% containing Ni), Cr is no less than 10%(wt%), measuring containing Ce is 0.5% ~ 1.5%(wt%), measuring containing La is 0.4% ~ 1%(wt%), containing In amount be 0.4% ~ 0.6%(wt%) composite powder, these composite powders are through being fully uniformly mixed, in the condition of protection of inert gas, plasma spraying method is adopted to form a surface material layer at AZ91D magnesium alloy auto active safety feature piece surface, the major ingredient of surface material layer is Ni-Cr-Ce-La-In, and be no less than 80%(wt% containing Ni), Cr is no less than 10%(wt%), measuring containing Ce is 0.5% ~ 1.5%(wt%), measuring containing La is 0.4% ~ 1%(wt%), measuring containing In is 0.4% ~ 0.6%(wt%), the diameter being no less than 75% microcrystal unit or particulate of surface material layer or length dimension are at 1 ~ 1500nm, different microcrystal unit or particulate are combined closely, piece surface material layer becomes to be integrated with body material, and be greater than the piece surface material layer of 30% and the piece surface material layer of body material contact surface area and body material atomic ordered offset from being not more than for 4nm, form a kind of AZ91D magnesium alloy auto active safety feature part and be coated with layer manufacturing method.(Ni is chemical element nickel, and Cr is metallic element chromium, and Ce is metallic element cerium, and La is metallic element lanthanum, and In is metallic element indium).
Embodiment 1
Fig. 1 is the coating structure schematic diagram that a kind of AZ91D magnesium alloy auto active safety feature part painting layer manufacturing method of the embodiment of the present invention 1 is formed.
Fig. 2 is coating 15000 times of scanning electron microscope images that a kind of AZ91D magnesium alloy auto active safety feature part painting layer manufacturing method of the embodiment of the present invention 1 is formed.
In accompanying drawing, 1 is surface material layer, and 2 is body material.
A kind of AZ91D magnesium alloy auto active safety feature part of the present invention be coated with layer manufacturing method be with AZ91D magnesium alloy materials by being cast as blank, machining process makes AZ91D magnesium alloy auto active safety feature part, carries out grinding, clean, oil removing, rust cleaning, cleaning, dry also blanketing with inert gas immediately on the surface of AZ91D magnesium alloy auto active safety feature part, under the condition of protection of inert gas, be Ni-Cr-Ce-La-In by composition, while be no less than 80%(wt% containing Ni), Cr is no less than 10%(wt%), measuring containing Ce is 0.5% ~ 1.5%(wt%), measuring containing La is 0.4% ~ 1%(wt%), containing In amount be 0.4% ~ 0.6%(wt%) composite powder, these composite powders are through being fully uniformly mixed, under the condition of protection of inert gas, plasma spraying method is adopted to form at AZ91D magnesium alloy auto active safety feature piece surface the coating that a kind of AZ91D magnesium alloy auto active safety feature part shown in Fig. 1 is coated with layer manufacturing method formation, Fig. 2 is 15000 times of scanning electron microscope images of the coating that a kind of AZ91D magnesium alloy auto active safety feature part painting layer manufacturing method of the embodiment of the present invention 1 is formed, can obtain from Fig. 2, the diameter being no less than 75% microcrystal unit or particulate of surface material layer or length dimension are at 1 ~ 1500nm, different microcrystal unit or particulate are combined closely, piece surface material layer becomes to be integrated with body material and is greater than the piece surface material layer of 30% and the piece surface material layer of body material contact surface area and body material atomic ordered offset from being not more than for 4nm.
Claims (2)
1. AZ91D magnesium alloy auto active safety feature part is coated with a layer manufacturing method, it is characterized in that: a kind of AZ91D magnesium alloy auto active safety feature part of the present invention be coated with layer manufacturing method be the surface of AZ91D magnesium alloy auto active safety feature part is carried out clean, oil removing, rust cleaning, cleaning, dry and blanketing with inert gas immediately, in the condition of protection of inert gas, be Ni-Cr-Ce-La-In by composition, and be no less than 80%(wt% containing Ni), Cr is no less than 10%(wt%), measuring containing Ce is 0.5% ~ 1.5%(wt%), measuring containing La is 0.4% ~ 1%(wt%), containing In amount be 0.4% ~ 0.6%(wt%) composite powder, these composite powders are through being fully uniformly mixed, under the condition of protection of inert gas, plasma spraying method is adopted to form a surface material layer at AZ91D magnesium alloy auto active safety feature piece surface, the major ingredient of surface material layer is Ni-Cr-Ce-La-In, and be no less than 80%(wt% containing Ni), Cr is no less than 10%(wt%), measuring containing Ce is 0.5% ~ 1.5%(wt%), measuring containing La is 0.4% ~ 1%(wt%), measuring containing In is 0.4% ~ 0.6%(wt%), the diameter being no less than 75% microcrystal unit or particulate of surface material layer or length dimension are at 1 ~ 1500nm, different microcrystal unit or particulate are combined closely, piece surface material layer becomes to be integrated with body material, and be greater than the piece surface material layer of 30% and the piece surface material layer of body material contact surface area and body material atomic ordered offset from being not more than for 4nm, form a kind of AZ91D magnesium alloy auto active safety feature part and be coated with layer manufacturing method.
2. AZ91D magnesium alloy auto active safety feature part according to claim 1 is coated with layer manufacturing method, it is characterized in that: be with AZ91D magnesium alloy materials by being cast as blank, machining process makes AZ91D magnesium alloy auto active safety feature part, carries out grinding, clean, oil removing, rust cleaning, cleaning, dry and blanketing with inert gas immediately on the surface of AZ91D magnesium alloy auto active safety feature part, in the condition of protection of inert gas, be Ni-Cr-Ce-La-In by composition, while be no less than 80%(wt% containing Ni), Cr is no less than 10%(wt%), measuring containing Ce is 0.5% ~ 1.5%(wt%), measuring containing La is 0.4% ~ 1%(wt%), containing In amount be 0.4% ~ 0.6%(wt%) composite powder, these composite powders are through being fully uniformly mixed, in the condition of protection of inert gas, adopt plasma spraying method to form a kind of AZ91D magnesium alloy auto active safety feature part on AZ91D magnesium alloy parts surface and be coated with layer manufacturing method, surface material layer be no less than 75% microcrystal unit or mean particle dia or length dimension at 1 ~ 1500nm, different microcrystal unit or particulate are combined closely, piece surface material layer becomes to be integrated with body material, and be greater than the piece surface material layer of 30% and the piece surface material layer of body material contact surface area and body material atomic ordered offset from being not more than for 4nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015924.8A CN105506531A (en) | 2016-01-12 | 2016-01-12 | Method for producing coating for AZ91D magnesium alloy vehicle active safety device component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610015924.8A CN105506531A (en) | 2016-01-12 | 2016-01-12 | Method for producing coating for AZ91D magnesium alloy vehicle active safety device component |
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| CN105506531A true CN105506531A (en) | 2016-04-20 |
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| CN201610015924.8A Pending CN105506531A (en) | 2016-01-12 | 2016-01-12 | Method for producing coating for AZ91D magnesium alloy vehicle active safety device component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108977805A (en) * | 2018-08-27 | 2018-12-11 | 山东省科学院新材料研究所 | A kind of method that surface microalloying improves magnesium alloy weld joint |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106170A (en) * | 1985-09-27 | 1987-06-03 | 经济实验室公司 | Prevent corroding method and composition |
| CN102936724A (en) * | 2012-11-23 | 2013-02-20 | 桂林电子科技大学 | Method for reinforcing nickel-base alloy layer on aluminum alloy surface |
| CN103298607A (en) * | 2011-01-06 | 2013-09-11 | 西门子公司 | Alloy, protective layer and component |
-
2016
- 2016-01-12 CN CN201610015924.8A patent/CN105506531A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106170A (en) * | 1985-09-27 | 1987-06-03 | 经济实验室公司 | Prevent corroding method and composition |
| CN103298607A (en) * | 2011-01-06 | 2013-09-11 | 西门子公司 | Alloy, protective layer and component |
| CN102936724A (en) * | 2012-11-23 | 2013-02-20 | 桂林电子科技大学 | Method for reinforcing nickel-base alloy layer on aluminum alloy surface |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108977805A (en) * | 2018-08-27 | 2018-12-11 | 山东省科学院新材料研究所 | A kind of method that surface microalloying improves magnesium alloy weld joint |
| CN108977805B (en) * | 2018-08-27 | 2020-05-05 | 山东省科学院新材料研究所 | Method for improving magnesium alloy welded joint through surface microalloying |
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Application publication date: 20160420 |
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