CN108754388A - A kind of metal/polymer composite core silk material, metal/polymer composite coating and preparation method thereof - Google Patents
A kind of metal/polymer composite core silk material, metal/polymer composite coating and preparation method thereof Download PDFInfo
- Publication number
- CN108754388A CN108754388A CN201810549939.1A CN201810549939A CN108754388A CN 108754388 A CN108754388 A CN 108754388A CN 201810549939 A CN201810549939 A CN 201810549939A CN 108754388 A CN108754388 A CN 108754388A
- Authority
- CN
- China
- Prior art keywords
- metal
- polymer composite
- coating
- polymer
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
-
- 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
-
- 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
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/129—Flame spraying
-
- 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
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Laminated Bodies (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a kind of metal/polymer composite core silk materials, metal/polymer composite coating and preparation method thereof；Metal/polymer composite core silk material includes metal tape, middle layer and powder core successively；Metal tape and the middle layer composition crust being coated on surfaces of metallic strip simultaneously wrap up powder core；The filling rate of the powder core is 5-45%；Metal/polymer composite coating includes metal and polymer, and the volume fraction of wherein metal is 50-95%, the volume fraction of polymer is 5-50%；The surface that metal/polymer composite coating is deposited to matrix by metal/polymer composite core line-material coating is formed.Metal/polymer composite coating provided by the invention can be well combined with matrix, and polymer is evenly distributed in entire coat inside, have excellent corrosion resistance, be can be applied to a variety of ocean industrial parts outer surface etc. and needed corrosion-resistant occasion.
Description
Technical field
The present invention relates to metals and polymer-coating technique field more particularly to a kind of metal/polymer composite powder core filaments
Material, metal/polymer composite coating and preparation method thereof.
Background technology
In recent years, with the continuous development of marine industry, the etching problem of ocean engineering material has become World Focusing
Focus, especially China possess abundant marine resources, should be reduced as possible while developing and using marine resources due to ocean corruption
Lose the loss brought.Extensive research is had been carried out to the etching problem of ocean engineering material both at home and abroad, by selecting anti-corrosion material
The methods of material, overlay coating, cathodic protection, coating anticorrosive paint achieve preferable effect.Marine corrosion is to ocean engineering material
Material has great damage, reduces the service life of material, causes serious economic loss.According to statistics, China is every year at least
90000000000 yuan of economic loss is caused by corroding, and the ratio of marine corrosion accounts for 30% or more.Therefore, novel anticorrosion coating skill is studied
Art is the problem in science of urgent need to resolve, and a kind of anti-corrosion composite coating of exploitation and its technology of preparing are very important.
The Chinese patent disclosure of Publication No. CN106591768A discloses a kind of for high-speed arc spraying technology
Prepare the powder cored filament material of Al-Ni-Nb-Co amorphous coatings, which is characterized in that the powder cored filament material crust is fine aluminium band；It is described
Powder core account for silk material mass percent be 34-38%；The each component and its mass percent of the powder core be：12-16%Ni,
12-16%Nb, 6-10%Co.The powder cored filament material has stronger amorphous formation ability, using high-speed arc spraying technology system
Content of amorphous is higher in standby coating, has both anti-corrosion and wear-resisting dual function, can be that steel and light-alloy component surface protect
Solid material guarantee is provided.
The service life of arc spraying coating is the most permanent in thermal spraying, and material for arc spraying includes solid silk material and powder core
The advantages of silk material, powder cored filament material has both solid silk material and powder, wire drawing is easy, and makes nonconducting dusty material that can also apply
In electric arc spraying, further research and application of the arc spraying technology in wear-resisting erosion resistance field are promoted.Powder cored filament material is by gold
Belong to crust and powder core two parts to constitute, metal sheath can not only select mild-carbon steel strip, also can be selected other suitable for rolling the band pulled out
Material such as Ni, Al, Zn, Cu, stainless steel band etc.；Powder core part can select various metal alloys, oxide, carbonization according to the design needs
The powder such as object, ceramics, polymer are used as filler after mixing in proportion.The making of this silk material is similar to welding medicine core used
Welding wire, including match powder, mixed powder and roll the processes such as silk, wire drawing, wrapping wire, packaging.Compared with solid silk material and powder, electric arc spraying
Powder cored filament material easily can adjust wire rod ingredient according to coating composition requirement, at the same it is easy to process, at low cost, use equipment
It is simple and convenient to operate, there is huge development potentiality.
However, the defects of inevitably there are crackle, holes inside arc spraying coating, corrosive medium enters in coating
Behind portion, coating failure can be caused rapidly.The method for solving problems at present is to coat a floor height on arc spraying coating surface
Molecule barrier layer, this method can effectively prevent corrosive medium to penetrate into coat inside.However, the macromolecule layer mechanics of surface coating
Performance is relatively low, is easily acted on and is failed by mechanical external force, and then loses iris action.Therefore, continue to invent a kind of New Arc spray
Coating layer, to meet the needs of low-cost large-area corrosion protection.
Invention content
The purpose of the present invention is to provide a kind of metal/polymer composite core silk material, metal/polymer composite coating and
Preparation method.The coating of metal/polymer composite coating prepared by metal/polymer composite core silk material provided by the invention
Densification is well combined with matrix, is had excellent Corrosion Protection and is stained performance with anti-biological, can be met in harsh corrosive environment
Requirement to coating is conducive to application of the coating in marine anticorrosion field.
The present invention provides the following technical solutions：
A kind of metal/polymer composite core silk material, the metal/polymer composite core silk material include metal successively
Band, middle layer and powder core；Metal tape and the middle layer composition crust being coated on surfaces of metallic strip simultaneously wrap up powder core；The powder core
Filling rate be 5-45%.
Preferably, the filling rate of the powder core is 39-41%.The filling rate of powder core is excessively high to be caused to reunite, it is too low can not
Meet compactness and the corrosion resistance requirement of coating.
The one kind or at least two of the material of the metal tape in mild-carbon steel strip, stainless steel band, Ni, Al, Zn or Cu band
The combination of kind；The material of the middle layer and powder core is selected from polyethylene, polymethyl methacrylate, polyimides, perfluoroethylene
One kind in propylene or polytetrafluoroethylene (PTFE) or at least two combination.
Preferably, the material of the one kind of the metal tape in stainless steel band or Al, the middle layer and powder core is selected from
One kind in polyethylene, polymethyl methacrylate, polyimides or polytetrafluoroethylene (PTFE).Metal prepared by spraying above-mentioned material/
The compactness and corrosion resistance for the metal/polymer coating that polymer compound powder core-wire material obtains are more preferable.
Preferably, the material of the powder core is selected from one kind or combinations thereof in PE powder or PMMA solution (20%).PE powder
The excellent flowability at end is not susceptible to thermal spraying of reuniting and be conducive to.
The metal/polymer composite coating includes metal and polymer, and the volume fraction of the metal is 50-95%,
The volume fraction of the polymer is 5-50%.Preferably, the volume fraction of metal is the volume fraction of 60-70%, polymer
For 30-40%.The layer structure of metal/polymer composite coating prepared by above range is finer and close, and polymer uniform is distributed more
Uniformly, coating is well combined with matrix；The corrosion default of surface microscopic topographic after salt spray test is less.
The metal/polymer composite coating is deposited to the surface of matrix by metal/polymer composite core line-material coating
It is formed；
The thickness of the metal/polymer composite coating is 50 μm of -3mm.
Preferably, the thickness of metal/polymer composite coating is 500-1000 μm, and the thickness of matrix is 2-5mm.
The present invention also provides a kind of methods preparing metal/polymer composite coating, include the following steps：
(1) metal/polymer composite strip is prepared；
(2) metal/polymer composite core silk material is prepared；
(3) surface degreasing, roughening treatment are carried out to matrix；
(4) the metal/polymer composite core silk material prepared using step (2) is spraying raw material, what is handled through step (3)
Matrix surface prepares metal/polymer composite coating using heat spraying method.
The preparation method of metal/polymer composite strip is in one layer of surfaces of metallic strip flame-spraying in the step (1)
Polymer material or with brush in surfaces of metallic strip brushing one layer of polymeric material.
A diameter of 1.8-3mm of the metal/polymer composite core silk material, the width of the metal tape be 6-16mm,
Thickness is 0.3-0.8mm；The thickness of middle layer is 3 μm of -1mm.Preferably, the metal/polymer composite core silk material is straight
Diameter is 1.8-2mm, and the width of metal tape is 7-10mm, thickness 0.4-0.6mm, and the thickness of middle layer is 3-50 μm.
The diameter of the metal/polymer composite core silk material and width and thickness of metal tape, the thickness of middle layer and spraying
In the metal/polymer composite coating generated afterwards metal is related with the volume fraction of polymer and polymer in a metal
Distribution, and then influence the compactness and corrosion resistance of coating.
The spray parameters of step (1) Flame spraying are：Combustion-supporting gas is O2, pressure 0.2-1.0MPa；Combustion gas is
Acetylene, pressure 0.05-0.4MPa；Auxiliary gas is compressed air, pressure 0.3-6.0MPa；Powder feeding rate is 10-100g/
min；Spray distance is 100-300mm；Flame gun movement speed 50-400mm/s；It is 1-10 times to spray pass.
With brush in surfaces of metallic strip brushing one layer of polymeric material, the polymer material brushing method is：Polymer
After powder dissolves in solvent, brush to material surface.
The preparation method of metal/polymer composite core silk material is in the step (2)：The metal that step (1) is obtained/
Polymer composite strip is sent into roll, is rolled into groove profile, and then the material of powder core is sent into slot, makes metal/polymerization through roll
Object composite strip is closed, and is rolled into circle, then through the gradual tube reducing of wire-drawing die, obtain metal/polymer composite core silk material.
Matrix in the step (3) is in Q235 steel, Q345 steel, 45 steel, 304 stainless steels, 316 stainless steels or cast iron
One kind or at least two combination.
The method of roughening treatment is with white fused alumina sandblasting in the step (3).
The thickness of matrix is 1-10mm.
Heat spraying method in the step (4) is selected from electric arc spraying or flame-spraying.
The technological parameter of the electric arc spraying is：The electric current of electric arc spraying be 80-200A, voltage 20-40V, spraying away from
From for 100-300mm, using the compressed air of 0.4-0.8MPa, arc spraying coating thickness is 50 μm of -3mm.
The parameter of the flame-spraying is：Combustion-supporting gas is O2, pressure 0.5-0.6MPa；Combustion gas is acetylene, and pressure is
0.07-0.08MPa；Auxiliary gas is compressed air, pressure 0.75-0.85MPa；Powder feeding rate is 55-65g/min；Spraying away from
From for 240-260mm；Flame gun movement speed 190-210mm/s；It is 1-3 times to spray pass.
Preferably, the technological parameter of the electric arc spraying is：The electric current of electric arc spraying is 100-120A, voltage 32-
36V, spray distance 150-200mm, using the compressed air of 0.6-0.7MPa, arc spraying coating thickness is 500 μm.
The metal/polymer composite core silk material is also known as metal/polymer composite wire material.
Compared with prior art, beneficial effects of the present invention are embodied in：
The easily passivation of the metal surface of metal/polymer composite coating provided by the invention forms layer oxide film, Ke Yibao
Metallic matrix is protected from further corroding.
The present invention is used as raw material, the metal/polymer composite core by metal/polymer composite core silk material
The crust of silk material includes metal tape and middle layer, and the polymer uniform in powder core is coated in a metal；By introducing middle layer,
Avoid the phenomenon that polymer in conventional method in powder core is reunited；And present invention effectively prevents the powder caused by leaking powder
Core filling rate is insufficient, and then obtains the excellent metal/polymer composite anti-corrosive coating of barrier property.
For metal/polymer composite coating, coating compactness and matrix combination degree, polymer form size
And each factor such as distribution can all be closely related with coating corrosion resistance；And the present invention is in by introducing middle layer, polymer
Apparent flat strip shaped or sheet, and be uniformly distributed in the coating, good barrier property is played, and coating is fine and close, is combined with matrix
Well, the requirement to coating in harsh corrosive environment can be met, be conducive to coating in the application in marine anticorrosion field, be expected to generate huge
Big social and economic benefit.
And the polymer uniform in the middle layer and powder core to take blocking effect is dispersed in the crack and hole of thermal spraying,
To make metal/polymer composite coating provided by the invention have excellent Corrosion Protection performance is stained with anti-biological；Point
Dissipate polymer therein chemical stability it is good, resistance to acid and alkali is strong, and polymer is uniformly distributed in composite coating, can effectively every
Corrosiveness of the exhausted corrosive medium to basis material；It is not influenced by external mechanical external force, corrosive effect is more preferable.
The preparation method of metal/polymer coating provided by the invention have it is at low cost, reproducible, be easy for workers to grasp
Control, has a good application prospect and economic benefit at the advantages that being suitble to industrialized production.
Description of the drawings
Fig. 1 is the flow diagram of the preparation method of metal/polymer composite coating provided by the invention；
Fig. 2 is the institutional framework comparison diagram of metal/polymer composite coating and pure Al coatings that embodiment 1 provides；
Fig. 3 is the salt air corrosion comparison diagram of metal/polymer composite coating and pure Al coatings that embodiment 2 provides.
Specific implementation mode
Present invention is further described in detail with reference to the accompanying drawings and embodiments, it should be pointed out that following embodiment
It is intended to be convenient for the understanding of the present invention, and does not play any restriction effect to it.
As shown in Figure 1, the preparation method of metal/polymer composite coating provided by the invention, includes the following steps：
(1) metal/polymer composite strip is prepared；
(2) metal/polymer composite core silk material is prepared；
(3) surface degreasing, roughening treatment are carried out to matrix；
(4) the metal/polymer composite core silk material prepared using step (2) is spraying raw material, what is handled through step (3)
Matrix surface prepares metal/polymer composite coating using heat spraying method.
Embodiment 1
In the present embodiment, the thickness of matrix is the Q235 steel discs of 2mm, and the thickness of the Al/PE composite coatings of matrix surface is
500 μm, specific preparation method is as follows：
1, first by width be 7mm, 5052 aluminum alloy strip flame-spraying a layer thickness that thickness is 0.4mm are 10 μm
PE, flame-spraying parameter are：Combustion-supporting gas is O2, pressure 0.55MPa；Combustion gas is acetylene, pressure 0.075MPa；Auxiliary gas be
Compressed air, pressure 0.8MPa, powder feeding rate 60g/min, spray distance 250mm, flame gun movement speed
200mm/s, spraying pass is 1 time, obtains Al/PE composite strips；
2, Al/PE composite strips are sent into roll, are rolled into groove profile, then PE powder is sent into slot, filling rate is set
It is 41%, so that metal tape is closed through roll, is rolled into circle, then pulling out through 2.65mm, 2.45mm, 2.20mm and 1.97mm successively
The silk gradual tube reducing of mould obtains Al/PE composite core silk materials to 1.97mm.
3, by matrix white fused alumina sandblasting；
4, electric arc spraying process parameter is：Electric current 100A, voltage 32V, spray distance 150mm are compressed empty using 0.6MPa
The thickness of gas, arc spraying coating is 500 μm, obtains metal/polymer composite coating, the volume fraction of wherein metal is
70vol.%, polymerization object fraction be 30vol.%.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Fig. 2 is to utilize the qualitative inspection of field emission scanning electron microscope (FESEM) backscatter mode
It surveys and analyzes pure Al coatings and elemental composition distribution in Al/PE composite coatings, wherein a is pure Al coatings, and b is composite coating；From figure
It can be seen that Al/PE composite coatings are typical layer structure and densification in 2, black portions are polymer, in flat strip shaped or
Plate is uniformly distributed wherein, and coating is well combined with matrix, and coating layer thickness is 500 μm.
(2) corrosion resistance coating is tested：Neutral salt spray test, experiment are carried out using the accurate salt spray testers of JK/60A
Condition is：35 DEG C of test temperature, solution concentration 50g/L, solution PH 6.9, atomisation pressure 1Kgf/cm2；Coating after detection test
There is less corrosion default in surface microscopic topographic, it was demonstrated that the favorable anti-corrosion effect of Al/PE composite coatings in surface microscopic topographic.
Embodiment 2
In the present embodiment, the thickness of matrix is 45 steel discs of 2mm, the stainless steel of matrix surface
500 μm of the thickness of/PMMA composite coatings, specific preparation method is as follows：
1, it is 7mm, the PMMA solution that stainless steel band brush a layer thickness that thickness is 0.4mm is 10 μm by width
(20%), stainless steel/PMMA composite strips are obtained；
2, stainless steel/PMMA composite strips are sent into roll, are rolled into groove profile, then PMMA powder is sent into slot, if
It is 41% to set filling rate, so that metal tape is closed through roll, is rolled into circle, then successively through 2.65mm, 2.45mm, 2.20mm and
The gradual tube reducing of wire-drawing die of 1.97mm obtains stainless steel/PMMA composite core silk materials to 1.97mm；
3, by matrix white fused alumina sandblasting；
4, electric arc spraying process parameter is：Electric current 100A, voltage 32V, spray distance 150mm are compressed empty using 0.6MPa
Gas, the thickness of arc spraying coating are 500 μm, obtain metal/polymer composite coating, wherein metal volume score be 68%,
Polymer volume fraction is 32%.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Coating is analyzed using field emission scanning electron microscope (FESEM) back scattering qualitative detection
Middle elemental composition distribution, it can be seen that stainless steel/PE composite coatings are typical layer structure and densification, and polymer is in flat bar
Shape or plate are uniformly distributed wherein, and coating is well combined with matrix, and coating layer thickness is 500 μm；
(2) corrosion resistance coating is tested：Neutral salt spray test, experiment are carried out using the accurate salt spray testers of JK/60A
Condition is：35 DEG C of test temperature, solution concentration 50g/L, solution PH 6.9, atomisation pressure 1Kgf/cm2.Fig. 3 was salt fog after 10 days
Pure Al coatings and Al/PMMA composite coatings surface macrocorrosion pattern, it was demonstrated that the anti-corrosion effect of stainless steel/PMMA composite coatings
It is good.A is corrosion Front-coating mirror surface topography in Fig. 3, and b is coating morphology after corrosion；In a and b, left side sample is Al coatings,
Right side sample is stainless steel/PMMA composite coatings.
Embodiment 3
In the present embodiment, the thickness of matrix is 304 stainless steel substrates of 2mm, the Al/PTFE composite coatings on matrix surface
Thickness is 500 μm, and specific preparation method is as follows：
1, first by width be 7mm, the PTFE that the 5052 aluminum alloy strip flame-spraying thickness that thickness is 0.4mm are 10 μm,
Flame-spraying parameter is：Combustion-supporting gas is O2, pressure 0.55MPa；Combustion gas is acetylene, pressure 0.075MPa；It is pressure to assist gas
Contracting air, pressure 0.8MPa, powder feeding rate 60g/min, spray distance 250mm, flame gun movement speed 200mm/
S, spraying pass is 1 time, obtains Al/PTFE composite strips；
2, Al/PTFE composite strips are sent into roll, are rolled into groove profile, then PTFE powder is sent into slot, setting is filled out
It is 41% to fill rate, so that metal tape is closed through roll, is rolled into circle, then successively through 2.65mm, 2.45mm, 2.20mm and 1.97mm
The gradual tube reducing of wire-drawing die to 1.97mm, obtain Al/PTFE composite core silk materials；
3, by matrix white fused alumina sandblasting；
4, electric arc spraying process parameter is：Electric current 100A, voltage 32V, spray distance 150mm are compressed empty using 0.6MPa
Gas, the coating layer thickness of electric arc spraying are 500 μm, obtain metal/polymer composite coating, wherein metal volume score be 67%,
Polymer volume fraction is 33%.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Coating is analyzed using field emission scanning electron microscope (FESEM) back scattering qualitative detection
Middle elemental composition distribution, it can be seen that Al/PTFE composite coatings are typical layer structure and densification, and polymer is in flat strip shaped
Or plate, it is uniformly distributed wherein, coating is well combined with matrix, and coating layer thickness is 500 μm.
(2) corrosion resistance coating is tested：Neutral salt spray test, experiment are carried out using the accurate salt spray testers of JK/60A
Condition is：35 DEG C of test temperature, solution concentration 50g/L, solution PH 6.9, atomisation pressure 1Kgf/cm2.Coating after detection test
There is less corrosion default in surface microscopic topographic, it was demonstrated that the anti-corrosion effect of Al/PTFE composite coatings in surface microscopic topographic
It is good.
Embodiment 4
In the present embodiment, the thickness of matrix is the Q235 steel discs of 2mm, stainless steel/PI composite coatings on matrix surface
Thickness is 500 μm, and specific preparation method is as follows：
1, it is 7mm by width, the PI solution that stainless steel band brush a layer thickness that thickness is 0.4mm is 10 μm obtains Al/PI
Composite strip；
2, stainless steel/PI composite strips are sent into roll, are rolled into groove profile, then PI powder is sent into slot, setting is filled out
It is 41% to fill rate, so that metal tape is closed through roll, is rolled into circle, then successively through 2.65mm, 2.45mm, 2.20mm and 1.97mm
The gradual tube reducing of wire-drawing die to 1.97mm, obtain stainless steel/PI composite core silk materials；
3, by matrix white fused alumina sandblasting；
4, electric arc spraying process parameter is：Electric current 100A, voltage 32V, spray distance 150mm are compressed empty using 0.6MPa
Gas, arc spraying coating thickness are 500 μm, obtain metal/polymer composite coating, and wherein metal volume score is 70%, gathers
It is 30% to close object fraction.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Coating is analyzed using field emission scanning electron microscope (FESEM) back scattering qualitative detection
Middle elemental composition distribution, it can be seen that stainless steel/PI composite coatings are typical layer structure and densification, and polymer is in flat bar
Shape or plate are uniformly distributed wherein, and coating is well combined with matrix, and coating layer thickness is 500 μm.
(2) corrosion resistance coating is tested：Neutral salt spray test, experiment are carried out using the accurate salt spray testers of JK/60A
Condition is：35 DEG C of test temperature, solution concentration 50g/L, solution PH 6.9, atomisation pressure 1Kgf/cm2.Coating after detection test
There is less corrosion default in surface microscopic topographic, it was demonstrated that the anti-corrosion effect of stainless steel/PI composite coatings in surface microscopic topographic
It is good.
Embodiment 5
In the present embodiment, the thickness of matrix is 45 steel discs of 2mm, and the Al/PMMA composite coatings thickness on matrix surface is about
It it is 500 μm, specific preparation method is as follows：
1, it is 7mm, the PMMA solution that 5052 aluminum alloy strip brush a layer thickness that thickness is 0.4mm are 10 μm by width
(20%), Al/PMMA composite strips are obtained；
2, Al/PMMA composite strips are sent into roll, are rolled into groove profile, then PMMA powder is sent into slot, setting is filled out
It is 41% to fill rate, so that metal tape is closed through roll, is rolled into circle, then successively through 2.65mm, 2.45mm, 2.20mm and 1.97mm
The gradual tube reducing of wire-drawing die to 1.97mm, obtain Al/PMMA composite core silk materials.
3, by matrix white fused alumina sandblasting；
4, electric arc spraying process parameter is：Electric current 100A, voltage 32V, spray distance 150mm are compressed empty using 0.6MPa
Gas, arc spraying coating thickness are 500 μm, obtain metal/polymer composite coating, and wherein metal volume score is 65%, gathers
It is 35% to close object fraction.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Coating is analyzed using field emission scanning electron microscope (FESEM) back scattering qualitative detection
Middle elemental composition distribution, it can be seen that Al/PMMA composite coatings are typical layer structure and densification, and polymer is in flat strip shaped
Or plate, it is uniformly distributed wherein, coating is well combined with matrix, and coating layer thickness is 500 μm.
(2) corrosion resistance coating is tested：Neutral salt spray test, experiment are carried out using the accurate salt spray testers of JK/60A
Condition is：35 DEG C of test temperature, solution concentration 50g/L, solution PH 6.9, atomisation pressure 1Kgf/cm2.Coating after detection test
There is less corrosion default in surface microscopic topographic, it was demonstrated that the anti-corrosion effect of Al/PMMA composite coatings in surface microscopic topographic
It is good.
Embodiment 6
In the present embodiment, the thickness of matrix is 304 stainless steel substrates of 2mm, the thickness of stainless steel/PE composite coatings on matrix
It it is 500 μm, specific preparation method is as follows：
1, first by width be 7mm, thickness be 0.4mm 10 μm of stainless steel band flame-spraying a layer thickness PE, flame
Spray parameters are：Combustion-supporting gas is O2, pressure 0.55MPa；Combustion gas is acetylene, pressure 0.075MPa；It is that compression is empty to assist gas
Gas, pressure 0.8MPa, powder feeding rate 60g/min, spray distance 250mm, flame gun movement speed 200mm/s, spray
It is 1 time to apply pass.Obtain stainless steel/PE composite strips；
2, stainless steel/PE composite strips are sent into roll, are rolled into groove profile, then PE powder is sent into slot, setting is filled out
It is 41% to fill rate, so that metal tape is closed through roll, is rolled into circle, then successively through 2.65mm, 2.45mm, 2.20mm and 1.97mm
The gradual tube reducing of wire-drawing die to 1.97mm, obtain stainless steel/PE composite core silk materials；
3, by matrix white fused alumina sandblasting；
4, electric arc spraying process parameter is：Electric current 100A, voltage 32V, spray distance 150mm are compressed empty using 0.6MPa
Gas, arc spraying coating thickness are 500 μm, obtain metal/polymer composite coating, and wherein metal volume score is 62%, gathers
It is 38% to close object fraction.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Coating is analyzed using field emission scanning electron microscope (FESEM) back scattering qualitative detection
Middle elemental composition distribution, it can be seen that stainless steel/PE composite coatings are typical layer structure and densification, and polymer is in flat bar
Shape or plate are uniformly distributed wherein, and coating is well combined with matrix, and coating layer thickness is 500 μm.
(2) corrosion resistance coating is tested：Neutral salt spray test, experiment are carried out using the accurate salt spray testers of JK/60A
Condition is：35 DEG C of test temperature, solution concentration 50g/L, solution PH 6.9, atomisation pressure 1Kgf/cm2.Coating after detection test
There is less corrosion default in surface microscopic topographic, it was demonstrated that the anti-corrosion effect of stainless steel/PE composite coatings in surface microscopic topographic
It is good.
Embodiment 7
It it is 10 μm in aluminum alloy strip flame-spraying a layer thickness such as the metal/polymer composite coating that embodiment 1 provides
PE, setting filling rate are 45%, and the thickness of arc spraying coating is 50 μm；Wherein metal volume score is 65%, polymeric acceptor
Fraction is 35%.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Coating is analyzed using field emission scanning electron microscope (FESEM) back scattering qualitative detection
Middle elemental composition distribution, it can be seen that stainless steel/PE composite coatings are typical layer structure and densification, and polymer is in flat bar
Shape or plate are uniformly distributed wherein, and coating is well combined with matrix, and coating layer thickness is 50 μm.
(2) corrosion resistance coating is tested：Coating surface microscopic appearance after testing is detected, is occurred in surface microscopic topographic less
Corrosion default, it was demonstrated that the favorable anti-corrosion effect of aluminium alloy/PE composite coatings.
Compared with Example 1, the uniformity of metal/polymer composite coating and anti-corrosion effect slightly reduce.
Embodiment 8
It it is 10 μm in aluminum alloy strip flame-spraying a layer thickness such as the metal/polymer composite coating that embodiment 1 provides
PE, setting filling rate are 40%, and the thickness of arc spraying coating is 1mm；Wherein metal volume score is 68%, polymer volume
Score is 32%.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Coating is analyzed using field emission scanning electron microscope (FESEM) back scattering qualitative detection
Middle elemental composition distribution, it can be seen that stainless steel/PE composite coatings are typical layer structure and densification, and polymer is in flat bar
Shape or plate are uniformly distributed wherein, and coating is well combined with matrix, coating layer thickness 1mm.
(2) corrosion resistance coating is tested：Coating surface microscopic appearance after testing is detected, is occurred in surface microscopic topographic less
Corrosion default, it was demonstrated that the favorable anti-corrosion effect of aluminium alloy/PE composite coatings.
Compared with Example 1, the uniformity of metal/polymer composite coating and anti-corrosion effect slightly reduce.
Embodiment 9
Such as the metal/polymer composite coating that embodiment 1 provides, the wherein thickness of matrix is 10mm, the Al/ of matrix surface
The thickness 3mm of PE composite coatings, in preparation method：The width of 5052 aluminum alloy strips is 6mm, thickness 0.3mm；Setting filling
Rate is 45%；The gradual tube reducing of wire-drawing die is to 1.80mm；The thickness of arc spraying coating is 3mm；Obtained metal/polymer is compound
The volume fraction of metal is 50vol.% in coating, the object fraction of polymerization is 50vol.%.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Metal/polymer composite coating is typical layer structure and densification, black portions
For polymer, be in flat strip shaped or plate, be uniformly distributed wherein, coating is well combined with matrix.
(2) corrosion resistance coating is tested：Coating surface microscopic appearance after testing is detected, is occurred in surface microscopic topographic less
Corrosion default, it was demonstrated that the favorable anti-corrosion effect of Al/PE composite coatings.
Compared with Example 1, the uniformity of metal/polymer composite coating and anti-corrosion effect slightly reduce.
Embodiment 10
Such as the metal/polymer composite coating that embodiment 1 provides, the wherein thickness of matrix is 1mm, the Al/ of matrix surface
500 μm of the thickness of PE composite coatings, in preparation method：The width of 5052 aluminum alloy strips is 16mm, thickness 0.8mm；Setting
Filling rate is 5%；The gradual tube reducing of wire-drawing die is to 3mm；The thickness of arc spraying coating is 500 μm；Obtained metal/polymer is multiple
The volume fraction for closing metal in coating is 95vol.%, the object fraction of polymerization is 5vol.%.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Metal/polymer composite coating is typical layer structure and densification, black portions
For polymer, be in flat strip shaped or plate, be uniformly distributed wherein, coating is well combined with matrix.
(2) corrosion resistance coating is tested：Coating surface microscopic appearance after testing is detected, is occurred in surface microscopic topographic less
Corrosion default, it was demonstrated that the favorable anti-corrosion effect of Al/PE composite coatings.
Compared with Example 1, the uniformity of metal/polymer composite coating and anti-corrosion effect slightly reduce.
Embodiment 11
Such as the metal/polymer composite coating that embodiment 1 provides, the wherein thickness of matrix is 10mm, the Al/ of matrix surface
The thickness 1mm of PE composite coatings, in preparation method：The width of 5052 aluminum alloy strips is 10mm, thickness 0.6mm；Setting is filled out
It is 39% to fill rate；The gradual tube reducing of wire-drawing die is to 1.80mm；The thickness of arc spraying coating is 1mm；Obtained metal/polymer is multiple
The volume fraction for closing metal in coating is 60vol.%, the object fraction of polymerization is 40vol.%.
The technological parameter of electric arc spraying is：The electric current of electric arc spraying be 120A, voltage 36V, spray distance 200mm,
Using the compressed air of 0.7MPa.
Following performance detection is carried out to the coating of above-mentioned preparation：
(1) coating cross-section morphology：Metal/polymer composite coating is typical layer structure and densification, black portions
For polymer, be in flat strip shaped or plate, be uniformly distributed wherein, coating is well combined with matrix.
(2) corrosion resistance coating is tested：Coating surface microscopic appearance after testing is detected, is occurred in surface microscopic topographic less
Corrosion default, it was demonstrated that the favorable anti-corrosion effect of Al/PE composite coatings.
Claims (10)
1. a kind of metal/polymer composite core silk material, which is characterized in that the metal/polymer composite core silk material is successively
Including metal tape, middle layer and powder core；Metal tape and the middle layer composition crust being coated on surfaces of metallic strip simultaneously wrap up powder core；
The middle layer and powder core are identical polymer, and the filling rate of the powder core is 5-45%.
2. metal/polymer composite core silk material according to claim 1, which is characterized in that the material of the metal tape
Selected from mild-carbon steel strip, stainless steel band, Ni, Al, Zn or Cu band in one kind or at least two combination；The middle layer and powder core
One kind in polyethylene, polymethyl methacrylate, polyimides, perfluoroethylene-propylene or polytetrafluoroethylene (PTFE) of material or
At least two combination.
3. a kind of compound painting of metal/polymer prepared by metal/polymer composite core silk material as claimed in claim 1 or 2
Layer, which is characterized in that the metal/polymer composite coating includes metal and polymer, and the volume fraction of the metal is 50-
95%, the volume fraction of the polymer is 5-50%.
4. metal/polymer composite coating according to claim 3, which is characterized in that the compound painting of metal/polymer
The thickness of layer is 50 μm of -3mm.
5. a kind of method of the metal/polymer composite coating prepared described in claim 3, includes the following steps：
(1) metal/polymer composite strip is prepared；
(2) metal/polymer composite core silk material is prepared；
(3) surface degreasing, roughening treatment are carried out to matrix；
(4) the metal/polymer composite core silk material prepared using step (2) is spraying raw material, in the matrix handled through step (3)
Surface prepares metal/polymer composite coating using heat spraying method.
6. the preparation method of metal/polymer composite coating according to claim 5, which is characterized in that the metal tape
Width be 6-16mm, thickness 0.3-0.8mm；The thickness of middle layer is 3 μm of -1mm；The metal/polymer composite core
A diameter of 1.8-3mm of silk material.
7. the preparation method of metal/polymer composite coating according to claim 5, which is characterized in that the step (1)
The preparation method of middle metal/polymer composite strip is to exist in surfaces of metallic strip flame-spraying one layer of polymeric material or with brush
Surfaces of metallic strip brushing one layer of polymeric material.
8. the preparation method of metal/polymer composite coating according to claim 5, which is characterized in that the step (2)
The preparation method of middle metal/polymer composite core silk material is：The metal/polymer composite strip that step (1) is obtained is sent into
Roll is rolled into groove profile, and then the material of powder core is sent into slot, so that metal/polymer composite strip is closed through roll, rolling
At circle, then through the gradual tube reducing of wire-drawing die, obtain metal/polymer composite core silk material.
9. the preparation method of metal/polymer composite coating according to claim 5, which is characterized in that the step (3)
In matrix one kind or at least two in Q235 steel, Q345 steel, 45 steel, 304 stainless steels, 316 stainless steels or cast iron
Combination.
10. the preparation method of metal/polymer composite coating according to claim 5, which is characterized in that the step
(4) heat spraying method in is selected from electric arc spraying or flame-spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549939.1A CN108754388B (en) | 2018-05-31 | 2018-05-31 | Metal/polymer composite powder core wire, metal/polymer composite coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549939.1A CN108754388B (en) | 2018-05-31 | 2018-05-31 | Metal/polymer composite powder core wire, metal/polymer composite coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108754388A true CN108754388A (en) | 2018-11-06 |
| CN108754388B CN108754388B (en) | 2020-07-07 |
Family
ID=64001378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810549939.1A Active CN108754388B (en) | 2018-05-31 | 2018-05-31 | Metal/polymer composite powder core wire, metal/polymer composite coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108754388B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112733396A (en) * | 2020-12-24 | 2021-04-30 | 中国科学院电工研究所 | Design method and system for cold insulation energized conductor of liquefied natural gas temperature zone |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4076883A (en) * | 1975-07-30 | 1978-02-28 | Metco, Inc. | Flame-sprayable flexible wires |
| CN102869814A (en) * | 2010-05-11 | 2013-01-09 | 苏舍美特科（美国）公司 | Metal matrix ceramic wire manufacturing technology and usage |
| CN203765186U (en) * | 2014-02-19 | 2014-08-13 | 常州运河新瑞焊材有限公司 | Novel double-layered flux-cored wire |
| CN204914768U (en) * | 2015-07-10 | 2015-12-30 | 中国科学院理化技术研究所 | A combined material wire rod for 3D prints |
| CN106676451A (en) * | 2016-12-22 | 2017-05-17 | 中国科学院宁波材料技术与工程研究所 | Cored wire with super-hydrophobic function and application of cored wire with super-hydrophobic function to preparation of coating with super-hydrophobic function |
-
2018
- 2018-05-31 CN CN201810549939.1A patent/CN108754388B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4076883A (en) * | 1975-07-30 | 1978-02-28 | Metco, Inc. | Flame-sprayable flexible wires |
| CN102869814A (en) * | 2010-05-11 | 2013-01-09 | 苏舍美特科（美国）公司 | Metal matrix ceramic wire manufacturing technology and usage |
| CN203765186U (en) * | 2014-02-19 | 2014-08-13 | 常州运河新瑞焊材有限公司 | Novel double-layered flux-cored wire |
| CN204914768U (en) * | 2015-07-10 | 2015-12-30 | 中国科学院理化技术研究所 | A combined material wire rod for 3D prints |
| CN106676451A (en) * | 2016-12-22 | 2017-05-17 | 中国科学院宁波材料技术与工程研究所 | Cored wire with super-hydrophobic function and application of cored wire with super-hydrophobic function to preparation of coating with super-hydrophobic function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112733396A (en) * | 2020-12-24 | 2021-04-30 | 中国科学院电工研究所 | Design method and system for cold insulation energized conductor of liquefied natural gas temperature zone |
| CN112733396B (en) * | 2020-12-24 | 2024-01-09 | 中国科学院电工研究所 | Design method and system for cold insulation electrified conductor in liquefied natural gas temperature zone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108754388B (en) | 2020-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhao et al. | Corrosion mechanism of NiCrBSi coatings deposited by HVOF | |
| Wang et al. | Wear and corrosion performance of WC-10Co4Cr coatings deposited by different HVOF and HVAF spraying processes | |
| CN105256259B (en) | A kind of high thermal stability iron-based amorphous coating and preparation method thereof | |
| CN107761035A (en) | A kind of corrosion resistant fine and close thermal spray metal alloy coat and preparation method thereof completely | |
| CN107841702B (en) | A kind of powder cored filament material and the method for preparing anticorrosive erosion thermal spray metal coating | |
| CN107164716B (en) | Powder core wire and method for preparing high-speed electric arc spraying coating | |
| CN101353797B (en) | High-power arc spraying zinc aluminum pseudo-alloy protecting film and spraying method thereof | |
| CN105039964A (en) | Surface corrosion-resistant and abrasion-resistant composite coating for magnesium alloy and preparation method of surface corrosion-resistant and abrasion-resistant composite coating | |
| CN103882364A (en) | Hypersonic flame spraying remediation method for ferrous metallurgy roller component | |
| CN104561877A (en) | Thermal spraying nickel-based self-fused alloy amorphous coating | |
| CN107858624B (en) | Corrosion-resistant and wear-reducing coating containing carbon fiber and preparation method thereof | |
| CN110158011A (en) | Rewind roll and preparation method thereof with the compound roughening coating of surface anticorrosive wear-resistant | |
| CN108754388A (en) | A kind of metal/polymer composite core silk material, metal/polymer composite coating and preparation method thereof | |
| Lapushkina et al. | Contribution in optimization of Zn Cold-sprayed coating dedicated to corrosion applications | |
| CN1760409A (en) | Thermal spraying powder, thermal spraying method and method for forming thermal spray coating | |
| CN106624426B (en) | A kind of abrasion-resistant coatings autoreaction flux-cored wire and its preparation and application | |
| CN106567027A (en) | Metal pipeline nickel-based composite corrosion-resistant coating and preparation method thereof | |
| CN103060800A (en) | Material for laser cladding of titanium alloy surface and laser cladding method | |
| CN102409335B (en) | Deposition activator for mechanical plating of Zn-Sn alloy | |
| Liu et al. | Salt spray corrosion and electrochemical corrosion performances of Dacromet fabricated Zn–Al coating | |
| CN109750286B (en) | Promoter for mechanical zinc-aluminum-magnesium alloy plating layer | |
| RU2049827C1 (en) | Method for producing multilayer coating | |
| CN104028743A (en) | Ferrochromium-based powder core wire and preparing method and application thereof | |
| CN108893698B (en) | ZnAlMgTiSiB anticorrosive coating for steel structure and preparation method thereof | |
| CN108913965B (en) | ZnAlTiSiB anticorrosive coating for steel structure and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |