CN105887006B - Capital construction metalwork alloy permeation and Dacroment composite anti-corrosive coating - Google Patents
Capital construction metalwork alloy permeation and Dacroment composite anti-corrosive coating Download PDFInfo
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- CN105887006B CN105887006B CN201610352833.3A CN201610352833A CN105887006B CN 105887006 B CN105887006 B CN 105887006B CN 201610352833 A CN201610352833 A CN 201610352833A CN 105887006 B CN105887006 B CN 105887006B
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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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/34—Embedding in a powder mixture, i.e. pack cementation
- C23C10/52—Embedding in a powder mixture, i.e. pack cementation more than one element being diffused in one step
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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- Life Sciences & Earth Sciences (AREA)
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
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Abstract
The invention discloses a kind of capital construction metalwork alloy permeations and Dacroment composite anti-corrosive coating, including alloy diffusion medium and Dacroment masking liquid: alloy diffusion medium includes zinc powder, aluminium powder, alumina powder, nickel powder, cerium sesquioxide powder, ammonium chloride；Zinc powder, aluminium powder, alumina powder, nickel powder and cerium sesquioxide powder in above-mentioned raw materials is heated to 150~200 DEG C after mixing, then heat preservation is cooled to room temperature after 30 minutes~50 minutes is made alloy diffusion medium with ammonium chloride after mixing；Dacroment anti-corrosion masking liquid, including component A and B component；Component A includes zinc metal sheet and aluminium flake, deionized water, fatty alcohol polyoxyethylene ether；B component includes the component of following mass fraction: unformed compound molybdate compound, barium hydrochlorate, hydrogen peroxide, 1~3 part of polyethylene glycol；After component A and B component are mixed and stirred for uniformly, mixture pH is adjusted to 3.5~5.0 by pH adjusting agent.
Description
Technical field
The present invention relates to a kind of capital construction metalwork preservative treatment technology field, especially a kind of capital construction metalwork alloy permeation
With Dacroment composite anti-corrosive coating.
Background technique
Annual world steel corrosion loss accounts for 10% or more of steel total output, economy caused by industrially developed country corrodes
Loss accounts for 2%~4% of total value of production in national economy or more；Advanced anticorrosion technique is researched and developed, is passed through caused by corrosion with reducing
Ji loss, the service life for extending steel and other metal materials and equipment, to promotion advanced technology, the most advanced branches of science and national defence work
The sustainable and harmonious development of the development of industry and national economy and social environment has particularly important meaning.
Multi-component alloy co-cementation is novel anti-corrosion of metal technology, mainly passes through and carries out complicated physics under vacuum conditions
Chemical reaction, and then a corrosion protective layer in homogeneous thickness, surface hardness is high is formed in metal surface；Multicomponent alloy is total
It seeps insufficient for the resistance to corrosion of salt fog gas.
Dacroment also known as reaches a gram rust, high gram rust, Zinc-Chromium film etc., refers to use and contains zinc metal sheet, aluminium flake, chromic anhybride, ethylene glycol
The liquid treatment fluid of equal ingredients coats metallic matrix, after high-temperature baking, has at one layer of metal base surface formation splendid
Corrosion proof non-decoration film, existing deficiency are surface hardness deficiency.Further, since chromium is anti-in Dacromet/steel metal
Key effect is played in rotten technology, the content in slurries is at 20~26 milligrams every liter or more, the solidification of Dacromet/steel
Journey is exactly the process that sexavalence chromic acid is restored by organic matters such as ethylene glycol at high temperature, to generate not soluble in water, unbodied
Trivalent chromium is as bonding agent, and with metal surface, tens of layers of lamination zinc metal sheet combines to form 5~12 microns finer and close of Da Ke
Sieve zinc-chromium coating；Therefore chromium all exists all the time in the processing and application of Dacroment, preparing from raw material storage and transportation to slurries,
To the coating and solidification of Dacroment, use is finally arrived, all there is the possibility of pollution of chromium.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of capital construction metalwork alloy permeation and Dacroment are compound
Corrosion-inhibiting coating.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of capital construction metalwork alloy permeation and Dacroment composite anti-corrosive coating, including alloy diffusion medium and Dacroment apply
Liquid:
Alloy diffusion medium includes the component of following mass fraction: 100 parts of zinc powder, 10~20 parts of aluminium powder, alumina powder 80~
100 parts, 10~30 parts of nickel powder, 2~5 parts of cerium sesquioxide powder, 0.5~0.8 part of ammonium chloride, the partial size of above-mentioned raw materials is 300
Mesh；Zinc powder, aluminium powder, alumina powder, nickel powder and cerium sesquioxide powder in above-mentioned raw materials is heated to 150 after mixing~
200 DEG C, then heat preservation is cooled to room temperature after 30 minutes~50 minutes is made alloy diffusion medium with ammonium chloride after mixing；
Dacroment anti-corrosion masking liquid, including component A and B component；Component A includes the component of following mass fraction: zinc metal sheet and aluminium
10 parts of piece, wherein the ratio of zinc metal sheet and aluminium flake is 2 ︰ (1~3)；50~60 parts of deionized water, fatty alcohol polyoxyethylene ether 0.5~
2.0 part；B component includes the component of following mass fraction: unformed 10 parts of compound molybdate compound, and 5~15 parts of barium hydrochlorate, mistake
0.5~0.8 part of hydrogen oxide, 1~3 part of polyethylene glycol；Component A and B component are mixed and stirred according to the mass ratio of 1 ︰ (15~25)
After mixing uniformly, mixture pH is adjusted to 3.5~5.0 by pH adjusting agent.
As above-mentioned technical proposal further preferred, the pH adjusting agent in Dacroment anti-corrosion masking liquid is zinc oxide, oxidation
One of aluminium, barium monoxide, aluminium hydroxide and barium hydroxide are a variety of.
As above-mentioned technical proposal further preferred, alloy diffusion medium includes the component of following mass fraction: zinc powder 100
Part, 15 parts of aluminium powder, 85 parts of alumina powder, 20 parts of nickel powder, 3 parts of cerium sesquioxide powder, 0.6 part of ammonium chloride；
Dacroment anti-corrosion masking liquid, including component A and B component；Component A includes the component of following mass fraction: zinc metal sheet and aluminium
10 parts of piece, wherein the ratio of zinc metal sheet and aluminium flake is 1 ︰ 1；50 parts of deionized water, 1.1 parts of fatty alcohol polyoxyethylene ether；B component includes
The component of following mass fraction: unformed 10 parts of compound molybdate compound；8 parts of barium hydrochlorate；.5 parts of hydrogen peroxidase 10；Poly- second two
2 parts of alcohol；After component A and B component are mixed and stirred for uniformly according to the mass ratio of 1 ︰ 18, by pH adjusting agent by mixture pH tune
Section is 4.0~4.5.
Compared with prior art, the beneficial effects of the present invention are:
Capital construction metalwork alloy permeation provided by the present invention and Dacroment composite anti-corrosive coating, by alloy permeation and Da Ke
Sieve coating Application of composite not only ensure that good antiseptic property but also surface hardness with higher.In addition, using zinc-aluminium nickel alloy
Co-penetration technology, processing metal surface are formed by multi-component alloy co-cementation corrosion protective covering with thickness is uniform, metallographic structure is fine and close
The advantages of, compared with the zincizing aluminium of same thickness, there is excellent resistance to corrosion for high temperature salt fog body.
Again, the preferred chromium-free Dyclo anti-corrosion masking liquid of the present invention, principle is: unformed compound molybdate compound
(MoO3•nMo2O3) be bound to each other to form as flake zinc, the aluminium of about 0.2 micron of thickness of binder and tens of layers, 10 microns of sizes
Coating；Workpiece have passed through oil removing, processing of rust removing, be formed after 300 DEG C or so high-temperature bakings by zinc, aluminium, molybdenum, barium etc. again
The inorganic coating that group is grouped as；When solidification, moisture content, organic component in coating etc. are while volatilization, by Dacroment masking liquid
The oxidisability of middle high price molybdenum, barium hydrochlorate carries out passive state protection to zinc, aluminium and iron matrix simultaneously, forms the molybdate of iron, aluminium, zinc
Compound；Since coating is directly to react acquisition with matrix, therefore corrosion-resistant coating is extremely fine and close；Coating in a corrosive environment can shape
At numerous primary battery, i.e., current potential more negative zinc metal sheet and aluminium flake are first eroded, is possible to corrosion to matrix itself.
Specific embodiment
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
Specific embodiment 1
Capital construction metalwork alloy permeation provided by the present embodiment and Dacroment composite anti-corrosive coating, including alloy diffusion medium
With Dacroment masking liquid:
Alloy diffusion medium includes the component of following mass fraction: 100 parts of zinc powder, 15 parts of aluminium powder, and 85 parts of alumina powder, nickel powder
20 parts, 3 parts of cerium sesquioxide powder, 0.6 part of ammonium chloride, the partial size of above-mentioned raw materials is 300 mesh；By in above-mentioned raw materials zinc powder,
Aluminium powder, alumina powder, nickel powder and cerium sesquioxide powder are heated to 150~200 DEG C after mixing, keep the temperature 30 minutes~50 minutes
After be cooled to room temperature then with ammonium chloride after mixing be made alloy diffusion medium；
Dacroment anti-corrosion masking liquid, including component A and B component；Component A includes the component of following mass fraction: zinc metal sheet and aluminium
10 parts of piece, wherein the ratio of zinc metal sheet and aluminium flake is 1 ︰ 1；50 parts of deionized water, 1.1 parts of fatty alcohol polyoxyethylene ether；B component includes
The component of following mass fraction: unformed 10 parts of compound molybdate compound, 8 parts of barium hydrochlorate .5 parts of hydrogen peroxidase 10, poly- second two
2 parts of alcohol；After component A and B component are mixed and stirred for uniformly according to the mass ratio of 1 ︰ 18, by pH adjusting agent by mixture pH tune
Section is 4.0~4.5；PH adjusting agent is one of zinc oxide, aluminium oxide, barium monoxide, aluminium hydroxide and barium hydroxide or a variety of.
Capital construction metalwork is added in permeation furnace together with the alloy diffusion medium of the present embodiment and is heated to 400~500 DEG C,
Permeation is handled 2~3 hours thoroughly under the pressure of 0.10~0.20 megapascal, then cools to room temperature reaching for one layer of the present embodiment of re-coating
Crow anti-corrosion masking liquid, forms Dacromet/steel after 300 DEG C or so high-temperature bakings；Capital construction metalwork by above-mentioned processing is in salt
Room temperature neutral salt spray corrosion test is carried out in fog chamber, result is not occur rust staining in 1000 hours, and the Vickers of combined anti-corrosion layer is hard
Angle value is 200HV or more.
Specific embodiment 2
Capital construction metalwork alloy permeation provided by the present embodiment and Dacroment composite anti-corrosive coating, main formula composition with
Specific embodiment 1 is identical, with specific embodiment 1 the difference is that:
Alloy diffusion medium includes the component of following mass fraction: 100 parts of zinc powder, 10 parts of aluminium powder, and 100 parts of alumina powder, nickel
30 parts of powder, 5 parts of cerium sesquioxide powder, 0.8 part of ammonium chloride；
Dacroment anti-corrosion masking liquid, component A include the component of following mass fraction: zinc metal sheet and 10 parts of aluminium flake, wherein zinc metal sheet and
The ratio of aluminium flake is 2 ︰ 1；55 parts of deionized water, 2.0 parts of fatty alcohol polyoxyethylene ether；B component includes the group of following mass fraction
Point: unformed 10 parts of compound molybdate compound, 15 parts of barium hydrochlorate .6 parts of hydrogen peroxidase 10,1 part of polyethylene glycol；By component A and B
After component is mixed and stirred for uniformly according to the mass ratio of 1 ︰ 15, mixture pH is adjusted to 3.5~4.0 by pH adjusting agent.
Capital construction metalwork is added in permeation furnace together with the alloy diffusion medium of the present embodiment and is heated to 400~500 DEG C,
Permeation is handled 2~3 hours thoroughly under the pressure of 0.10~0.20 megapascal, then cools to room temperature reaching for one layer of the present embodiment of re-coating
Crow anti-corrosion masking liquid, forms Dacromet/steel after 300 DEG C or so high-temperature bakings；Capital construction metalwork by above-mentioned processing is in salt
Room temperature neutral salt spray corrosion test is carried out in fog chamber, result is not occur rust staining, the Vickers hardness of combined anti-corrosion layer in 600 hours
Value is 150HV~200HV.
Specific embodiment 3
Capital construction metalwork alloy permeation provided by the present embodiment and Dacroment composite anti-corrosive coating, main formula composition with
Specific embodiment 1 is identical, with specific embodiment 1 the difference is that:
Alloy diffusion medium includes the component of following mass fraction: 100 parts of zinc powder, 20 parts of aluminium powder, and 80 parts of alumina powder, nickel powder
10 parts, 2 parts of cerium sesquioxide powder, 0.5 part of ammonium chloride；
Dacroment anti-corrosion masking liquid, component A include the component of following mass fraction: zinc metal sheet and 10 parts of aluminium flake, wherein zinc metal sheet and
The ratio of aluminium flake is 2 ︰ 3；60 parts of deionized water, 0.5 part of fatty alcohol polyoxyethylene ether；B component includes the group of following mass fraction
Point: unformed 10 parts of compound molybdate compound, 5 parts of barium hydrochlorate .8 parts of hydrogen peroxidase 10,3 parts of polyethylene glycol；By component A and B
After component is mixed and stirred for uniformly according to the mass ratio of 1 ︰ 25, mixture pH is adjusted to 4.5~5.0 by pH adjusting agent.
Capital construction metalwork is added in permeation furnace together with the alloy diffusion medium of the present embodiment and is heated to 400~500 DEG C,
Permeation is handled 2~3 hours thoroughly under the pressure of 0.10~0.20 megapascal, then cools to room temperature reaching for one layer of the present embodiment of re-coating
Crow anti-corrosion masking liquid, forms Dacromet/steel after 300 DEG C or so high-temperature bakings；Capital construction metalwork by above-mentioned processing is in salt
Room temperature neutral salt spray corrosion test is carried out in fog chamber, result is not occur rust staining, the Vickers hardness of combined anti-corrosion layer in 600 hours
Value is 150HV~200HV.
Preferable implementation of the invention is illustrated above, certainly, the present invention can also use and above-mentioned implementation
The different form of mode, those skilled in the art's made equivalent transformation on the premise of without prejudice to spirit of the invention
Or corresponding change, all it should belong in protection scope of the present invention.
Claims (1)
1. a kind of capital construction metalwork alloy permeation and Dacroment composite anti-corrosive coating, it is characterised in that including alloy diffusion medium and reach
Crow masking liquid:
Alloy diffusion medium includes the component of following mass fraction: 100 parts of zinc powder, 15 parts of aluminium powder, and 85 parts of alumina powder, nickel powder 20
Part, 3 parts of cerium sesquioxide powder, 0.6 part of ammonium chloride, the partial size of above-mentioned raw materials is 300 mesh；By zinc powder, the aluminium in above-mentioned raw materials
After powder, alumina powder, nickel powder and cerium sesquioxide powder are heated to 150~200 DEG C, heat preservation 30 minutes~50 minutes after mixing
It is cooled to room temperature and alloy diffusion medium is then made after mixing with ammonium chloride；
Dacroment anti-corrosion masking liquid, including component A and B component；Component A includes the component of following mass fraction: zinc metal sheet and aluminium flake 10
Part, wherein the ratio of zinc metal sheet and aluminium flake is 1 ︰ 1；50 parts of deionized water, 1.1 parts of fatty alcohol polyoxyethylene ether；B component includes following
The component of mass fraction: unformed 10 parts of compound molybdate compound；8 parts of barium hydrochlorate；.5 parts of hydrogen peroxidase 10；Polyethylene glycol 2
Part；After component A and B component are mixed and stirred for uniformly according to the mass ratio of 1 ︰ 18, mixture pH is adjusted by pH adjusting agent
It is 4.0~4.5；PH adjusting agent in the Dacroment anti-corrosion masking liquid is zinc oxide, aluminium oxide, barium monoxide, aluminium hydroxide and hydrogen
One of barium monoxide is a variety of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610352833.3A CN105887006B (en) | 2016-05-25 | 2016-05-25 | Capital construction metalwork alloy permeation and Dacroment composite anti-corrosive coating |
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| CN201610352833.3A CN105887006B (en) | 2016-05-25 | 2016-05-25 | Capital construction metalwork alloy permeation and Dacroment composite anti-corrosive coating |
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| CN105887006A CN105887006A (en) | 2016-08-24 |
| CN105887006B true CN105887006B (en) | 2019-01-04 |
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| CN107794495B (en) * | 2017-10-27 | 2020-02-07 | 安徽瑞合铁路紧固件科技有限公司 | Multicomponent alloy co-permeation agent |
Citations (3)
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|---|---|---|---|---|
| CN101260252A (en) * | 2008-04-28 | 2008-09-10 | 山东大学 | Chromium-free Dyclo paint |
| WO2011022175A2 (en) * | 2009-08-17 | 2011-02-24 | Basf Se | Compositions with improved dirt pickup resistance comprising layered double hydroxide particles |
| CN103726009A (en) * | 2014-01-14 | 2014-04-16 | 安徽海程铁路器材科技有限公司 | Multicomponent alloy co-permeation anticorrosive coating on surface of steel and co-permeation method thereof |
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2016
- 2016-05-25 CN CN201610352833.3A patent/CN105887006B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260252A (en) * | 2008-04-28 | 2008-09-10 | 山东大学 | Chromium-free Dyclo paint |
| WO2011022175A2 (en) * | 2009-08-17 | 2011-02-24 | Basf Se | Compositions with improved dirt pickup resistance comprising layered double hydroxide particles |
| CN103726009A (en) * | 2014-01-14 | 2014-04-16 | 安徽海程铁路器材科技有限公司 | Multicomponent alloy co-permeation anticorrosive coating on surface of steel and co-permeation method thereof |
Non-Patent Citations (1)
| Title |
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| 多元共渗+达克罗+封闭复合涂层的性能及应用研究;黄华清等;《中国电工技术学会第八届学术会议论文集》;20041231;第59-62页 |
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