CN105970218A - Protective guard with surface coated with nickel-aluminum alloy composite coating and preparing method - Google Patents
Protective guard with surface coated with nickel-aluminum alloy composite coating and preparing method Download PDFInfo
- Publication number
- CN105970218A CN105970218A CN201610340755.5A CN201610340755A CN105970218A CN 105970218 A CN105970218 A CN 105970218A CN 201610340755 A CN201610340755 A CN 201610340755A CN 105970218 A CN105970218 A CN 105970218A
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- Prior art keywords
- nickel
- guard rail
- nickel alumin
- composite coating
- alloy
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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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/027—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal matrix material comprising a mixture of at least two metals or metal phases or metal matrix composites, e.g. metal matrix with embedded inorganic hard particles, CERMET, MMC.
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Electrochemistry (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a protective guard with the surface coated with a nickel-aluminum alloy composite coating, and belongs to the field of protective facilities. The surface of the protective guard is sequentially coated with a chromium layer, a middle layer and a polyester finishing coat layer from interior to exterior. The middle layer is a nickel-aluminum alloy layer. The polyester finishing coat layer is an epoxy resin film. Nickel-aluminum alloy powder is sprayed to the base material middle layer of the protective guard so that a rough coating surface can be formed in the middle of the protective guard, a very good rough surface can be created during finishing coat spraying, the binding force between the coatings is guaranteed, the stability and the antiseptic property of the composite coating are improved, and accordingly the service life of the protective guard is prolonged. The invention further discloses a manufacturing method of the protective guard.
Description
Technical field
The present invention relates to a kind of guard rail, be especially a kind of surface and be covered with guard rail and the preparation method of nickel alumin(i)um alloy composite coating, belong to protective equipment field.
Background technology
The main component of guard rail is steel-based, but containing a small amount of carbon and ferrum element in iron and steel, when running into malaria with carbon dioxide exposure, will form a galvanic element, wherein ferrum is as the negative electrode in galvanic element, and carbon is as anode, and ferrum now will lose electronics as negative electrode thus be oxidized easily, and the fatal shortcoming of steel corrosion is, forms open structure after corrosion, oxygen may proceed to penetrate into, until corroding completely.But in order to play antiseptical effect, other metal of the tangible plated surface of general technique, common is exactly zinc coat; the most zinc-plated effect is to form zinc layers at substrate surface; zinc now, as anode, finally protects negative electrode so that ferrum is difficult to be corroded with sacrificial anode.Zinc layers can spread in iron-based, there is good antiseptical effect, but the coating surface smoother of zinc layers, it is known that, if inter coat rough surface, again during spray paint to a certain extent can strengthen its adhesive force, face coat is the highest with the iron-based bond strength of guard rail, antiseptic property improves the most therewith, and traditional method is, after preliminary pretreatment, need to carry out sandblasting or Shot Blasting, make rough surface, although such method is feasible, but many again loaded down with trivial details steps on the basis of guard rail processing technology originally, cause the serious wasting of resources.Therefore, form coarse metal protection coating surface at guard rail steel substrate inter coat and improve the technical barrier that adhesion, always this area are to be solved.
Summary of the invention
The technical problem to be solved is to overcome prior art defect, it is provided that the surface that between a kind of coating, adhesion is high is covered with guard rail and the preparation method of nickel alumin(i)um alloy composite coating.
In order to solve above-mentioned technical problem, the surface that the present invention provides is covered with the guard rail of nickel alumin(i)um alloy composite coating, described protective guard surface coats layers of chrome, intermediate layer and polyester side enamelled coating the most successively, and described intermediate layer is nickel alumin(i)um alloy layer, and described polyester side enamelled coating is epoxy resin film.
In the present invention, described nickel alumin(i)um alloy layer is formed by the spraying of nickel alumin(i)um alloy powder, and described nickel alumin(i)um alloy powder is composed of the following components: aluminum 4%, ceria account for 1%, and remaining is nickel.
In the present invention, the thickness of described layers of chrome is 0.2 ± 0.05mm.
In the present invention, described epoxy resin film thickness is 0.3-0.36 mm.
The present invention also provides for the preparation method that above-mentioned surface is covered with the guard rail of nickel alumin(i)um alloy composite coating, comprises the following steps:
1), guard rail is carried out defat, processing of rust removing；
2) guard rail after, using chrome liquor to process step 1) is electroplated；Described chrome liquor is made up of sulphuric acid, fluosilicate and chromic oxide, and the mass ratio of described chromic oxide, sulphuric acid and fluosilicate is 100:1:0.5；
3), use flame powder spraying process through step 2) process after protective guard surface nickel coating Al alloy powder formed nickel alumin(i)um alloy layer；Described nickel alumin(i)um alloy powder is composed of the following components: aluminum 4%, ceria 1%, and remaining is nickel；
4), epoxy powder is at high temperature sprayed on through step 2) process after guard rail on, formed epoxy resin film；Described epoxy powder is composed of the following components: containing carboxyl polyester resin 20%, firming agent 1%, and remaining is epoxy resin.
In the present invention, the spraying temperature of described step 3) is 600 DEG C.
In the present invention, the spraying temperature of described step 4) is 500 DEG C, and coating thickness is 0.3-0.36mm.
Relative to prior art, beneficial effects of the present invention: (1), can be at the coarse coating surface of the intermediate formation of guard rail at the base material intermediate layer of guard rail spraying nickel alumin(i)um alloy powder, a good rough surface is created when so can give spray paint, ensure adhesion between coating, promote stability and the antiseptic property of composite coating, and then improve the service life of guard rail；(2) in nickel alumin(i)um alloy powder, rare-earth element cerium, is added as the polishing powder in coating material, the weatherability of raising coating；(3), layers of chrome use chromic oxide chrome liquor electroplate, the antiseptic property of guard rail can be improved further；(4), preparation process of the present invention simple, significantly reduce the manufacturing cost of guard rail, the best market popularization value.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
The surface of the present invention is covered with the guard rail of nickel alumin(i)um alloy composite coating, and including steel guard rail body, the surface of guard rail body coats layers of chrome, nickel alumin(i)um alloy layer and polyester side enamelled coating the most successively, and polyester side enamelled coating is epoxy resin film.Concrete preparation process is:
Embodiment 1
1, protective guard surface carrying out degreasing degreasing: guard rail is inserted oil removing in 50 DEG C of alkali liquor, alkali liquor is sodium hydroxide, sodium carbonate and sodium silicate mixed solution, and the volume ratio of sodium hydroxide, sodium carbonate and sodium silicate is 2:1:1:0.05；With deionized water, guard rail is carried out after oil removing, then drying and processing under 60 DEG C of environment.
2, at a temperature of 50 DEG C, the hydrochloric acid of 10% is selected to clean the rusty stain of the protective guard surface after step 1 processes.
3, the guard rail after step 2 processes is electroplated by the chrome liquor of chromic oxide, forms layers of chrome.The thickness of plating is 0.25mm.Chrome liquor is the mixed solution of chromic oxide, sulphuric acid and hexafluosilicic acid, chromic oxide: sulphuric acid: the volume ratio of fluosilicate is 100:1:0.5.
4, use flame powder spraying process, under 600 DEG C of high temperature, nickel alumin(i)um alloy powder is sprayed on the guard rail after step 3 processes.The granularity of nickel alumin(i)um alloy powder is-150 mesh, and nickel alumin(i)um alloy powder is the mixture of nickel, aluminum and ceria, and part by weight shared by each component is: aluminum accounts for 4%, and ceria accounts for 1%, and remaining is nickel.
5, use powder coating process, epoxy powder is sprayed on the guard rail after step 3 processes at a temperature of 500 DEG C, form epoxy resin film.The thickness of epoxy resin film is 0.3mm.Epoxy powder is epoxy resin, mixture containing carboxyl polyester resin and imidazoles, and part by weight shared by each component is: accounting for 20% containing carboxyl polyester resin, imidazoles accounts for 1%, and remaining is epoxy resin.
Embodiment 2
1, protective guard surface carrying out degreasing degreasing: guard rail is inserted oil removing in 50 DEG C of alkali liquor, alkali liquor is sodium hydroxide, sodium carbonate and sodium silicate mixed solution, and the volume ratio of sodium hydroxide, sodium carbonate and sodium silicate is 2:1:1:0.05；With deionized water, guard rail is carried out after oil removing, then drying and processing under 60 DEG C of environment.
2, at a temperature of 50 DEG C, the hydrochloric acid of 10% is selected to clean the rusty stain of the protective guard surface after step 1 processes.
3, the guard rail after step 2 processes is electroplated by the chrome liquor of chromic oxide, forms layers of chrome.The thickness of plating is 0.2mm.Chrome liquor is the mixed solution of chromic oxide, sulphuric acid and hexafluosilicic acid, chromic oxide: sulphuric acid: the volume ratio of fluosilicate is 100:1:0.5.
4, use flame powder spraying process, under 600 DEG C of high temperature, nickel alumin(i)um alloy powder is sprayed on the guard rail after step 3 processes.The granularity of nickel alumin(i)um alloy powder is-150 mesh, and nickel alumin(i)um alloy powder is the mixture of nickel, aluminum and ceria, and part by weight shared by each component is: aluminum accounts for 4%, and ceria accounts for 1%, and remaining is nickel.
5, use powder coating process, epoxy powder is sprayed on the guard rail after step 3 processes at a temperature of 500 DEG C, form epoxy resin film.The thickness of epoxy resin film is 0.36mm.Epoxy powder is epoxy resin, mixture containing carboxyl polyester resin and imidazoles, and part by weight shared by each component is: accounting for 20% containing carboxyl polyester resin, imidazoles accounts for 1%, and remaining is epoxy resin.
The technical scheme provided the embodiment of the present invention above is described in detail, principle and the embodiment of the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only applicable to help to understand the principle of the embodiment of the present invention；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, all will change in detailed description of the invention and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (7)
1. a surface is covered with the guard rail of nickel alumin(i)um alloy composite coating, it is characterised in that: described protective guard surface coats layers of chrome, intermediate layer and polyester side enamelled coating the most successively, and described intermediate layer is nickel alumin(i)um alloy layer, and described polyester side enamelled coating is epoxy resin film.
Surface the most according to claim 1 is covered with the guard rail of nickel alumin(i)um alloy composite coating, it is characterized in that described nickel alumin(i)um alloy layer is formed by the spraying of nickel alumin(i)um alloy powder, described nickel alumin(i)um alloy powder is composed of the following components: aluminum 4%, ceria account for 1%, and remaining is nickel.
Surface the most according to claim 2 is covered with the guard rail of nickel alumin(i)um alloy composite coating, it is characterised in that: the thickness of described layers of chrome is 0.2 ± 0.05mm.
Surface the most according to claim 3 is covered with the guard rail of nickel alumin(i)um alloy composite coating, it is characterised in that: described epoxy resin film thickness is 0.3-0.36
mm。
5. the surface described in claim 1 is covered with the preparation method of guard rail of nickel alumin(i)um alloy composite coating, it is characterised in that comprise the following steps:
1), guard rail is carried out defat, processing of rust removing；
2) guard rail after, using chrome liquor to process step 1) is electroplated；Described chrome liquor is made up of sulphuric acid, fluosilicate and chromic oxide, and the mass ratio of described chromic oxide, sulphuric acid and fluosilicate is 100:1:0.5；
3), use flame powder spraying process through step 2) process after protective guard surface nickel coating Al alloy powder formed nickel alumin(i)um alloy layer；Described nickel alumin(i)um alloy powder is composed of the following components: aluminum 4%, ceria 1%, and remaining is nickel；
4), epoxy powder is at high temperature sprayed on through step 2) process after guard rail on, formed epoxy resin film；Described epoxy powder is composed of the following components: containing carboxyl polyester resin 20%, firming agent 1%, and remaining is epoxy resin.
The most according to claim 5, surface is covered with the preparation method of guard rail of nickel alumin(i)um alloy composite coating, it is characterised in that: the spraying temperature of described step 3) is 600 DEG C.
The most according to claim 6, surface is covered with the preparation method of guard rail of nickel alumin(i)um alloy composite coating, it is characterised in that: the spraying temperature of described step 4) is 500 DEG C, and coating thickness is 0.3-0.36mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340755.5A CN105970218A (en) | 2016-05-23 | 2016-05-23 | Protective guard with surface coated with nickel-aluminum alloy composite coating and preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340755.5A CN105970218A (en) | 2016-05-23 | 2016-05-23 | Protective guard with surface coated with nickel-aluminum alloy composite coating and preparing method |
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| Publication Number | Publication Date |
|---|---|
| CN105970218A true CN105970218A (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610340755.5A Pending CN105970218A (en) | 2016-05-23 | 2016-05-23 | Protective guard with surface coated with nickel-aluminum alloy composite coating and preparing method |
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| CN (1) | CN105970218A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446490A (en) * | 2017-09-25 | 2017-12-08 | 江苏固格澜栅防护设施有限公司 | A kind of bloom guardrail wires anticorrosive paint and preparation method thereof |
| CN113231287A (en) * | 2021-05-07 | 2021-08-10 | 福建辉丰环境工程科技有限公司 | Manufacturing method of insulating anti-corrosion prestressed steel bar |
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| CN101045995A (en) * | 2007-04-30 | 2007-10-03 | 中国矿业大学 | Anticorrosive coating for steel box beam bridge and its spraying process |
| CN203247307U (en) * | 2013-04-27 | 2013-10-23 | 杭州昊港科技有限公司 | Composite coating for corrosion prevention for metal surface |
| CN104195497A (en) * | 2014-08-20 | 2014-12-10 | 常熟市星源金属涂层厂 | Method for preparing electric arc spraying aluminum-based corrosion resistant metal coating of steel structure |
| JP2016008320A (en) * | 2014-06-24 | 2016-01-18 | 株式会社栗本鐵工所 | Corrosion resistant layer for ferrous metal |
-
2016
- 2016-05-23 CN CN201610340755.5A patent/CN105970218A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101045995A (en) * | 2007-04-30 | 2007-10-03 | 中国矿业大学 | Anticorrosive coating for steel box beam bridge and its spraying process |
| CN203247307U (en) * | 2013-04-27 | 2013-10-23 | 杭州昊港科技有限公司 | Composite coating for corrosion prevention for metal surface |
| JP2016008320A (en) * | 2014-06-24 | 2016-01-18 | 株式会社栗本鐵工所 | Corrosion resistant layer for ferrous metal |
| CN104195497A (en) * | 2014-08-20 | 2014-12-10 | 常熟市星源金属涂层厂 | Method for preparing electric arc spraying aluminum-based corrosion resistant metal coating of steel structure |
Non-Patent Citations (3)
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| 代海宁: "《电化学基本原理及应用》", 31 March 2014 * |
| 倪文胜: "《保温防腐工程实用材料手册》", 31 October 2007 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446490A (en) * | 2017-09-25 | 2017-12-08 | 江苏固格澜栅防护设施有限公司 | A kind of bloom guardrail wires anticorrosive paint and preparation method thereof |
| CN113231287A (en) * | 2021-05-07 | 2021-08-10 | 福建辉丰环境工程科技有限公司 | Manufacturing method of insulating anti-corrosion prestressed steel bar |
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Application publication date: 20160928 |
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