CN110129613A - A kind of compound copper powder and preparation method thereof, spraying method and purposes - Google Patents
A kind of compound copper powder and preparation method thereof, spraying method and purposes Download PDFInfo
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- CN110129613A CN110129613A CN201910467493.2A CN201910467493A CN110129613A CN 110129613 A CN110129613 A CN 110129613A CN 201910467493 A CN201910467493 A CN 201910467493A CN 110129613 A CN110129613 A CN 110129613A
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- copper powder
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 150000001875 compounds Chemical class 0.000 title claims abstract description 69
- 238000005507 spraying Methods 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 78
- 239000011248 coating agent Substances 0.000 claims abstract description 76
- 239000007921 spray Substances 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 125
- 239000010949 copper Substances 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000009689 gas atomisation Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 80
- 239000000853 adhesive Substances 0.000 abstract description 37
- 230000001070 adhesive effect Effects 0.000 abstract description 37
- 150000003839 salts Chemical class 0.000 abstract description 30
- 230000000052 comparative effect Effects 0.000 description 32
- 239000010410 layer Substances 0.000 description 8
- 229910052718 tin Inorganic materials 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 5
- 238000010288 cold spraying Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 210000000981 epithelium Anatomy 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000012387 aerosolization Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- -1 15 μm Chemical compound 0.000 description 1
- 229910000989 Alclad Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910008933 Sn—Nb Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920013657 polymer matrix composite Polymers 0.000 description 1
- 239000011160 polymer matrix composite Substances 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/12—Making metallic powder or suspensions thereof using physical processes starting from gaseous material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0021—Matrix based on noble metals, Cu or alloys thereof
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
-
- 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
- C23C4/123—Spraying molten metal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating By Spraying Or Casting (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to a kind of compound copper powder and preparation method thereof, spraying method and purposes；The compound copper powder can be sprayed on metal and plastic surface, and oxygen content≤0.05% of the coating formed after spraying in substrate surface, be free of 0, the vickers hardness hv of coating is 100-200, and resulting coating can be tested by adhesive force and salt spray test.
Description
Technical field
The present invention relates to sprayed on material field more particularly to a kind of compound copper powder and preparation method thereof, spraying method and use
On the way.
Background technique
Plasma spray technology be it is a kind of heat source is made using gas, liquid fuel or electric arc, plasma arc, laser etc., by powder
Metal, alloy, ceramics, oxide, carbide, plastics, nylon and their composite material of shape or filiform, are heated to melt
Or semi-molten state, its atomization is made by the power or additional high-speed flow of heat source itself, is sprayed to certain speed by pre-
The workpiece surface of processing, the processing method for forming the superficial layer of adhesion-tight.
Cold spraying is a kind of spraying technology of innovation, dusty material is not dissolved or is gasified, and keeps original with supersonic flow
Solid state shape makes it impact to substrate and form a kind of technology of epithelium, and the dusty material under supersonic speed impact surmounts critical
The particle ontology of speed can generate plastic deformation and form epithelium.Influence that material is notheated and generate characteristic variations, epithelium
Oxidation can control minimum limit.
Copper alloy possesses preferable electric conductivity and thermal conductivity, is formed by cold heat spraying technology in other metal surfaces
Coating adhesion is very strong, and its ability such as conductive, thermally conductive is equal to raw material, can be widely applied to aviation, military project, electronics, logical
News, traffic, in field of machining.
CN85108439A discloses a kind of spray coating materials for combined layers, and the sprayed on material is that ingredient is Ni15-39%,
Cr3-15%, Al3-18%, remaining is the wire rod of copper, and the above are mass percents；Wherein the content of copper is greater than the content of nickel, line
Material is made of the core of the crust of one of component metal and the mixing of other metal powders.Sprayed on material used by this scheme
Self-bonding layer can be formed with red copper and copper master alloy, but be difficult to adapt in substrate be the case where aluminium alloy, plastic cement are as substrate.
CN106756717A discloses a kind of preparation method of high-strength wearable adonic coating, first uses aerosolization
Method prepares Cu-Ni-Sn-Nb alloy powder；Again by alloy powder thermal spraying in the matrix surface for being equipped with nickel alclad prime coat, warp
After ageing treatment, the high-strength wearable adonic coating for being attached to matrix surface is obtained.This scheme needs to shift to an earlier date before there is spraying
Spray prime coat, can not direct spraying defect.
CN102059218A discloses a kind of preparation method of polymer-based composite material surface metallization coating, belongs to non-
Metal surface metallizing art.Coating material is pure in a certain range of aerosolization using the granularity and chemical component sold in the market
Aluminium powder and pure copper powder, with nitrogen as working gas and powder feeding gas, in the direct cold spraying preparation in polymer matrix composites surface
Two kinds of coatings: first is that direct cold spraying prepares pure aluminum coating on the polyether-ether-ketone composite material surface of fibre reinforced；Second is that first
On the polyether-ether-ketone composite material surface of fibre reinforced, direct cold spraying prepares pure aluminum coating, then continues in pure aluminum coating
Cold spraying prepares cu coating, i.e., the bimetallic coating that bottom is fine aluminium, surface layer is fine copper, the defect of this scheme is pure copper powder
It needs first to spray one layer of pure aluminum coating before spraying as prime coat, and is unable to direct spraying pure copper powder.
Above-mentioned document is all made of complex copper powder spray to improve the performance of basis material, but there are still copper powders used to exist
It needs first to spray prime coat before spraying, it is difficult to suitable for the spraying in aluminium alloy, plastic surface；Therefore develop it is a kind of in metal and
There is stronger bond strength after the spraying of plastic rubber substrate surface, while there is the compound copper powder spraying material of preferable corrosion resistance
Material has great importance.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of compound copper powder and preparation method thereof, spraying method and use
On the way；The compound copper powder can be sprayed on metal and plastic surface, and the oxygen content of the coating formed after spraying in substrate surface
≤ 0.05%, 0 is free of, the vickers hardness hv of coating is 100-200, and resulting coating can be tested by adhesive force and salt fog is surveyed
Examination.
Coating of the present invention can refer to that the coating after adhesive force is tested, is tested by the meaning that adhesive force is tested
Grade is 4B or more.
Coating of the present invention can be referred to by coating after the salt spray test of 48h by the meaning of salt spray test, be adhered to
Power grade is still in 3B or more.
For this purpose, the present invention adopts the following technical scheme:
In a first aspect, including following components by mass percentage the present invention provides a kind of compound copper powder:
Preferably, the compound copper powder includes Cu powder, Zn powder, CuO powder, P powder and Sn powder, preferably Cu powder, Zn powder, CuO
Powder, P powder and Sn powder mixture.
Preferably, also comprising spraying the microelement that can be added in powder preparation process in the compound copper powder.
Compound copper powder of the present invention makes the complex copper by the way that Zn powder, P powder and CuO powder and Sn powder are added into Cu powder
The corrosion resistance of coating of the powder after spraying to substrate surface is enhanced with the bond strength of substrate；The complex copper
Powder can be suitably used for the spraying of metal and plastic surface.
It is in terms of 100% by the quality of compound copper powder, the mass percentage of Cu is 92%- in compound copper powder of the present invention
96%, such as 92%, 93%, 94%, 95% or 96% etc.；The mass percentage of Zn be 2%-6%, such as 2%, 2.5%,
3%, the mass percentage of 3.5%, 4%, 4.5%, 5%, 5.5% or 6% etc., CuO be 0.5%-3%, such as 0.5%,
0.7%, the mass percentage of 0.9%, 1.2%, 1.5%, 1.8%, 2%, 2.3%, 2.6% or 3% etc., P are 0.1%-
The mass percentage of 0.5%, such as 0.1%, 0.2%, 0.3%, 0.4% or 0.5% etc., Sn are 0.01%-2%, such as
0.01%, 0.1%, 0.2%, 0.4%, 0.8%, 1.2%, 1.6% or 2% etc..
The present invention is matched by using said components mass percentage, and synergistic work can be played between each component
With, the spraying of metal and plastic surface can be better achieved, and after spraying substrate surface formed coating it is oxygen-containing
Amount≤0.05% is free of 0, and the vickers hardness hv of coating is 100-200, and resulting coating can be tested by adhesive force and salt fog
Test.
Preferably, the compound copper powder includes following components by mass percentage:
Preferably, a length of 15 μm -50 μm of the particle diameter of the compound copper powder, such as 15 μm, 20 μm, 25 μm, 30 μm, 35 μ
M, 40 μm, 45 μm or 50 μm etc., preferably 23 μm -30 μm.
Preferably, the powder shape of the compound copper powder includes spherical powder and/or concave powder, preferably concave powder.
Second aspect, the present invention also provides the preparation method of compound copper powder as described in relation to the first aspect, the preparation side
Method the following steps are included:
It (1) is gas by metallic copper heating and gasifying；
(2) step (1) is obtained into gas atomization condensation；
(3) step (2) product is obtained to be sieved to obtain Cu powder；
(4) Cu powder and Zn powder, CuO powder, P powder and Sn powder that step (3) obtains are mixed to get the compound copper powder.
The third aspect, the present invention also provides the spraying method of compound copper powder as described in relation to the first aspect, the method packets
Include following steps:
(a) compound copper powder is heated；
(b) it is ejected into substrate surface under the influence of air pressure using the product that spray gun obtains step (a), in substrate surface
Form coating.
Preferably, the temperature after the heating of compound copper powder described in step (a) is 100 DEG C -1600 DEG C, such as 100 DEG C, 200
DEG C, 400 DEG C, 600 DEG C, 800 DEG C, 1000 DEG C, 1200 DEG C, 1400 DEG C or 1600 DEG C etc.；Preferably 800 DEG C -1300 DEG C.
Preferably, step (b) spray gun between substrate at a distance from be 150mm-300mm, such as 150mm, 170mm,
190mm, 210mm, 230mm, 250mm, 270mm or 300mm etc.；Preferably 175mm-225mm；Further preferably 200mm.
Preferably, the pressure of step (b) air pressure is 4-25kgf/cm2, such as 4kgf/cm2、6kgf/cm2、8kgf/
cm2、12kgf/cm2、16kgf/cm2、18kgf/cm2、22kgf/cm2Or 25kgf/cm2Deng preferably 6-20kgf/cm2。
Preferably, in step (b) product reach substrate surface temperature be 20 DEG C -80 DEG C, such as 20 DEG C, 30 DEG C, 40 DEG C,
50 DEG C, 60 DEG C, 70 DEG C or 80 DEG C etc..
Preferably, step (b) coating with a thickness of 0.02mm-0.50mm, such as 0.02mm, 0.1mm, 0.2mm,
0.3mm, 0.4mm or 0.5mm etc., preferably 0.05mm-0.3mm.
Preferably, step (b) coating area >=1mm2, such as 1mm2、5mm2、10mm2、15mm2、20mm2、50mm2
Or 100mm2Deng.
Preferably, oxygen content≤0.05% of step (b) coating is free of 0；Such as 0.01%, 0.02%,
0.03%, 0.04% or 0.05% etc..
Preferably, the Vickers hardness of step (b) coating is 100-200；Such as 100,120,140,160,180 or
200 etc..
As currently preferred technical solution, the spraying method the following steps are included:
Compound copper powder is heated to 800 DEG C -1300 DEG C by (a ')；
(b ') spray gun is under conditions of substrate 150-300mm, and the product for being obtained step (a ') using spray gun is in pressure
For 6-20kgf/cm2Air pressure under the action of be ejected into substrate surface, and form coating in substrate surface, the product reaches base
The temperature on material surface is 20 DEG C -80 DEG C.
Fourth aspect, the purposes the present invention also provides compound copper powder as described in relation to the first aspect as sprayed on material.
Preferably, the applicable substrate of the sprayed on material includes metal and plastic cement, preferably aluminium alloy and plastic cement, further
Preferably aluminium alloy.
Compared with prior art, the present invention at least has the advantages that
1, compound copper powder spraying gained coating of the present invention can pass through the salt spray test of adhesive force test and 48h；And institute
State the spraying that compound copper powder can be used for metal and plastic surface；Its above-mentioned substrate surface spray the coating to be formed adhesive force and
Corrosion resistance is higher, is particluarly suitable for the spraying of aluminum alloy surface；
2, compound copper powder of the present invention is sprayed on adhesive force and corrosion resistance of the coating in substrate surface of substrate formation
It is substantially better than simple copper powder and sprays the coating to be formed in substrate surface.
Specific embodiment
Of the invention for ease of understanding, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is only to aid in the understanding present invention, should not be regarded as a specific limitation of the invention.
Embodiment 1
The mass percentage of Cu powder is that the mass percentage of 92.6%, Zn powder is in the present embodiment selection compound copper powder
The mass percentage of 4%, CuO powder is that the mass percentage of 2%, P powder is that the mass percentage of 0.4%, Sn powder is
1%.
The preparation method of compound copper powder includes the following steps:
It (1) is gas by metallic copper heating and gasifying；
(2) step (1) is obtained into gas atomization condensation；
(3) step (2) product is obtained to be sieved to obtain a length of 23 μm -30 μm of particle diameter of Cu powder；
(4) Zn powder, CuO powder, P powder and Sn powder are mixed with the Cu powder that step (3) obtains, obtains the compound copper powder.
The particle path length of Zn powder, CuO powder, P powder and Sn powder in the compound copper powder that the present embodiment is prepared is 23 μm-
30μm。
The present embodiment select aluminium alloy as substrate, spraying method specifically includes the following steps:
(1) compound copper powder is heated to 800 DEG C；
(2) product that step (1) obtains is by spray gun in pressure using spray gun under conditions of substrate 200mm
15kgf/cm2Air pressure under the action of be ejected into substrate surface, the temperature that the product reaches substrate surface is 40 DEG C, is applied
Layer with a thickness of 0.05mm.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 2
The mass percentage of Cu powder is that the mass percentage of 95%, Zn powder is in the present embodiment selection compound copper powder
The mass percentage of 3%, CuO powder is that the mass percentage that the mass percentage of 1.5%, P powder is 0.2%, Sn is
0.3%；Other conditions are identical with embodiment 1.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 3
The mass percentage of Cu powder is that the mass percentage of 96%, Zn powder is in the present embodiment selection compound copper powder
The mass percentage of 2%, CuO powder is that the mass percentage that the mass percentage of 1.8%, P powder is 0.19%, Sn is
0.01%, other conditions are identical with embodiment 1.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 4
The mass percentage of Cu powder is that the mass percentage of 92%, Zn powder is in the present embodiment selection compound copper powder
The mass percentage of 6%, CuO powder is that the mass percentage that the mass percentage of 1.4%, P powder is 0.5%, Sn is
0.1%, other conditions are identical with embodiment 1.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 5
The present embodiment replaces with 15 μm -20 μm compared with Example 1, by the particle path length of the Cu powder in embodiment 1, Zn
Powder, CuO powder, P powder and Sn powder particle path length be 15 μm -20 μm；Other conditions are identical with embodiment 1.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 6
The present embodiment replaces with 45 μm -50 μm compared with Example 1, by the particle path length of the Cu powder in embodiment 1, Zn
Powder, CuO powder, P powder and Sn powder particle path length be 45 μm -50 μm；Other conditions are identical with embodiment 1.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 7
The present embodiment replaces with 1 μm -10 μm compared with Example 1, by the particle path length of the Cu powder in embodiment 1, Zn powder,
The particle path length of CuO powder, P powder and Sn powder is 1 μm -10 μm；Other conditions are identical with embodiment 1.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 8
The present embodiment replaces with 60 μm -80 μm compared with Example 1, by the particle path length of the Cu powder in embodiment 1, Zn
Powder, CuO powder, P powder and Sn powder particle path length be 60 μm -80 μm；Other conditions are identical with embodiment 1.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 9
Cu powder in embodiment 1 is replaced with electrolysis Cu powder by the present embodiment；Other conditions complete phase compared with Example 1
Together.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 10
The compound copper powder and substrate of the present embodiment spraying are identical with embodiment 1.
The spraying method of the present embodiment the following steps are included:
(1) compound copper powder is heated to 1300 DEG C；
(2) product that step (1) obtains is by spray gun in pressure using spray gun under conditions of substrate 200mm
15kgf/cm2Air pressure under the action of be ejected into substrate surface, the temperature that the product reaches substrate surface is 40 DEG C, is applied
Layer with a thickness of 0.05mm.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 11
The compound copper powder and substrate of the spraying of the present embodiment are identical with embodiment 1.
The spraying method of the present embodiment the following steps are included:
(1) compound copper powder is heated to 100 DEG C；
(2) for spray gun under conditions of substrate 150mm, the product for being obtained step (1) using spray gun is 6kgf/ in pressure
cm2Air pressure under the action of be ejected into substrate surface, the temperature that the product reaches substrate surface is 20 DEG C, obtains the thickness of coating
Degree is 0.05mm.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 12
The compound copper powder and substrate of the spraying of the present embodiment are identical with embodiment 1.
The spraying method of the present embodiment the following steps are included:
(1) compound copper powder is heated to 1600 DEG C；
(2) product that step (1) obtains is by spray gun in pressure using spray gun under conditions of substrate 300mm
20kgf/cm2Air pressure under the action of be ejected into substrate surface, the temperature that the product reaches substrate surface is 80 DEG C, is applied
Layer with a thickness of 0.05mm.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 13
Substrate in embodiment 1 is replaced with plastic cement by aluminium alloy by the present embodiment；Other conditions and the complete phase of embodiment 1
Together.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Embodiment 14
Substrate in embodiment 1 is replaced with stainless steel by aluminium alloy by the present embodiment；Other conditions and the complete phase of embodiment 1
Together.
1 the results are shown in Table to the present embodiment obtained coating progress hardness test, adhesive force test and salt spray test.
Comparative example 1
The spraying powder of this comparative example does not include Zn powder, CuO powder, P powder and Sn powder using the Cu powder in embodiment 1；Its
His condition is identical compared with Example 1.
1 the results are shown in Table to this comparative example obtained coating progress hardness test, adhesive force test and salt spray test.
Comparative example 2
Compared with Example 1, P powder is free of in the compound copper powder that this comparative example uses, and by the mass percentage of Cu powder
93% is replaced with by 92.6%, other conditions are identical compared with Example 1.
1 the results are shown in Table to this comparative example obtained coating progress hardness test, adhesive force test and salt spray test.
Comparative example 3
Compared with Example 1, CuO powder is free of in the compound copper powder that this comparative example uses, and the quality percentage of Cu powder is contained
Amount replaces with 94.6% by 92.6%, and other conditions are identical compared with Example 1.
1 the results are shown in Table to this comparative example obtained coating progress hardness test, adhesive force test and salt spray test.
Comparative example 4
Compared with Example 1, Zn powder is free of in the compound copper powder that this comparative example uses, and by the mass percentage of Cu powder
96.6% is replaced with by 92.6%, other conditions are identical compared with Example 1.
1 the results are shown in Table to this comparative example obtained coating progress hardness test, adhesive force test and salt spray test.
Comparative example 5
Compared with Example 1, Sn powder is free of in the compound copper powder that this comparative example uses, and by the mass percentage of Cu powder
93.6% is replaced with by 92.6%, other conditions are identical compared with Example 1.
1 the results are shown in Table to this comparative example obtained coating progress hardness test, adhesive force test and salt spray test.
Comparative example 6
The mass percentage of Cu powder is that the mass percentage of 90%, Zn powder is in this comparative example selection compound copper powder
The mass percentage of 7%, CuO powder is that the mass percentage of 0.1%, P powder is that the mass percentage of 0.7%, Sn powder is
2.2%, other conditions are identical compared with Example 1.
1 the results are shown in Table to this comparative example obtained coating progress hardness test, adhesive force test and salt spray test.
Comparative example 7
The mass percentage of Cu powder is that the mass percentage of 97%, Zn powder is in this comparative example selection compound copper powder
The mass percentage of 0.5%, CuO powder is that the mass percentage of 0.1%, P powder is the mass percentage of 0.9%, Sn powder
It is 1.5%, other conditions are identical compared with Example 1.
1 the results are shown in Table to this comparative example obtained coating progress hardness test, adhesive force test and salt spray test.
Performance test:
Hardness test, salt spray test and adhesive force is carried out to the coating that embodiment 1-14 and comparative example 1-7 are prepared to survey
The method of examination is as follows:
(a) hardness test: using micro Vickers, and measuring head selects the positive rectangular pyramid pressure head of diamond, pressure F=
0.3Kgf, pressure maintaining 10s.
(b) method that adhesive force test is carried out to spray-on coating obtained by embodiment 1-14 and comparative example 1-7, the method packet
Include figure layer surface clean is clean, using sharp cutter (knife edge angle be 25 °, blade thickness 0.43mm) on testing coating surface
Draw 10 × 10 1mm × 1mm small grids；Each, which is crossed, answers the bottom of depth and coating；With hairbrush by the fragment brush of test zone
Completely；Tested small grid is firmly clung with the adhesive tape (NICHIBAN CT405AP-24 gummed paper) of adhesion strength 10N/25mm, is used in combination
Nail moulding band (notices that nail cannot destroy adhesive tape), the bubble between adhesive tape and coating is driven away, to increase adhesive tape and tested area
The contact area and dynamics in domain；After standing 90s, adhesive tape one end is held, in 60 ° of directions, shuts down gummed paper in 0.5s~1s, it
Afterwards with the dropping situations of 5 times of lens examination coatings.
Adhesive force judgment criteria: being divided into 6 grades for adhesive force superiority and inferiority, by it is excellent to it is bad be followed successively by 5B, 4B, 3B, 2B, 1B and
0B；The meaning of above-mentioned grade is as follows:
(c) experiment condition and method of salt spray test are carried out to spray-on coating obtained by embodiment 1-14 and comparative example 1-7；Institute
The method of stating includes: in 35 DEG C ± 2 DEG C of closed environment, and humidity > 85%, pH value is within the scope of 6.5-7.2, with 5% NaCl
The continuous 48h of solution carries out brine spray to coating surface；Later with 35 DEG C of warm water washings, and with non-dust cloth wiped clean, room temperature
After placing 2 hours, gained sample is subjected to adhesive force test.
Hardness test, adhesive force test and salt fog is carried out to the coating that embodiment 1-14 and comparative example 1-7 are prepared to survey
The test result of examination is as shown in table 1.
Table 1
As can be seen from the above table, compound copper powder of the present invention is substantially better than comparative example through spraying the performance of obtained coating
The coating that the compound copper powder sprays.
Comparative example 1-4 and comparative example 6-7 can be seen that compound copper powder of the present invention and spray the hard of the coating to be formed
Degree is higher, and gained coating is preferable in the adhesive force and corrosion resistance of substrate surface；And the group of optimal compound copper powder becomes,
It is in terms of 100% by the quality of compound copper powder, the mass percentage of Cu powder is 92.6-95%, and the mass percentage of Zn powder is
The mass percentage of 3%-4%, CuO powder is 1.5%-2%, and the mass percentage of P powder is 0.2%-0.4%, Sn powder
Mass percentage is 0.3%-1%.
Comparative example 1,5-8 can be seen that compound copper powder of the present invention particle diameter it is 15-50 μm a length of when, by it
The performance for spraying the coating formed is preferable, and a length of 23-30 μm of the particle diameter of optimal compound copper powder.
Comparative example 1,13-14 can be seen that compound copper powder of the present invention be suitble to spraying substrate include aluminium alloy,
Stainless steel and plastic cement, and preferably aluminium alloy.
Comparative example 1, comparative example 1-5 can be seen that Zn powder in compound copper powder of the present invention, CuO powder, P powder and Sn
The addition of powder is so that the hardness of compound copper powder, significantly improve in the adhesive force and corrosion resistance of substrate surface.
The Applicant declares that the present invention is explained by the above embodiments detailed process equipment and process flow of the invention,
But the present invention is not limited to the above detailed process equipment and process flow, that is, it is above-mentioned detailed not mean that the present invention must rely on
Process equipment and process flow could be implemented.It should be clear to those skilled in the art, any improvement in the present invention,
Addition, selection of concrete mode of equivalence replacement and auxiliary element to each raw material of product of the present invention etc., all fall within of the invention
Within protection scope and the open scope.
Claims (10)
1. a kind of compound copper powder, which is characterized in that by mass percentage include following components:
2. compound copper powder as described in claim 1, which is characterized in that by mass percentage include following components:
3. compound copper powder as claimed in claim 1 or 2, which is characterized in that a length of 15 μm -50 of the particle diameter of the compound copper powder
μm, preferably 23 μm -30 μm；
Preferably, the powder shape of the compound copper powder includes spherical powder and/or concave powder；Preferably concave powder.
4. the preparation method of compound copper powder as described in any one of claims 1-3, which is characterized in that the preparation method includes
Following steps:
It (1) is gas by metallic copper heating and gasifying；
(2) step (1) is obtained into gas atomization condensation；
(3) step (2) product is obtained to be sieved to obtain Cu powder；
(4) the Cu powder that step (3) obtains is mixed with Zn powder, CuO powder, P powder and Sn powder, obtains the compound copper powder.
5. the spraying method of compound copper powder as described in any one of claims 1-3, which is characterized in that the method includes following
Step:
(a) compound copper powder is heated；
(b) it is ejected into substrate surface under the influence of air pressure using the product that spray gun obtains step (a), is formed in substrate surface
Coating.
6. spraying method as claimed in claim 5, which is characterized in that the temperature after the heating of compound copper powder described in step (a)
It is 100 DEG C -1600 DEG C；Preferably 800 DEG C -1300 DEG C.
7. such as spraying method described in claim 5 or 6, which is characterized in that step (b) spray gun between substrate at a distance from be
150mm-300mm；Preferably 175mm-225mm；Further preferably 200mm；
Preferably, the pressure of step (b) air pressure is 4-25kgf/cm2, preferably 6-20kgf/cm2；
Preferably, the temperature that product reaches substrate surface in step (b) is 20 DEG C -80 DEG C；
Preferably, step (b) coating with a thickness of 0.02mm-0.50mm, preferably 0.05mm-0.3mm；
Preferably, step (b) coating area >=1mm2；
Preferably, oxygen content≤0.05% of step (b) coating is free of 0；
Preferably, the vickers hardness hv of step (b) coating is 100-200.
8. such as the described in any item spraying methods of claim 5-7, which is characterized in that the spraying method the following steps are included:
Compound copper powder is heated to 800 DEG C -1300 DEG C by (a ')；
For (b ') spray gun under conditions of substrate 150-300mm, the product for being obtained step (a ') using spray gun is 6- in pressure
20kgf/cm2Air pressure under the action of be ejected into substrate surface, and form coating in substrate surface, the product reaches substrate table
The temperature in face is 20 DEG C -80 DEG C.
9. purposes of the compound copper powder as described in any one of claims 1-3 as sprayed on material.
10. purposes as claimed in claim 9, which is characterized in that the applicable substrate of the sprayed on material includes metal and plastic cement,
Preferably aluminium alloy and plastic cement, further preferably aluminium alloy.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036896A (en) * | 2020-01-16 | 2020-04-21 | 深圳市金中瑞通讯技术有限公司 | 17-4PH stainless steel spraying powder material and preparation method thereof |
| CN115807204A (en) * | 2022-11-25 | 2023-03-17 | 国网黑龙江省电力有限公司大兴安岭供电公司 | Method for metalizing surface of carbon fiber composite material and application thereof |
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| JP2004137602A (en) * | 2002-10-18 | 2004-05-13 | United Technol Corp <Utc> | Method for applying coating on base material |
| CN102848633A (en) * | 2012-02-10 | 2013-01-02 | 王宝根 | Double-sided aluminium multilayer metal composite plate and production line thereof |
| CN109468570A (en) * | 2018-12-28 | 2019-03-15 | 深圳市金中瑞通讯技术有限公司 | A kind of preparation method and spraying equipment of composition metal alloy-coated layer |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB749759A (en) * | 1952-05-13 | 1956-05-30 | Cop Sil Loy Inc | Improvements in or relating to process of making an alloy and frictional composition and the resulting product |
| JP2004137602A (en) * | 2002-10-18 | 2004-05-13 | United Technol Corp <Utc> | Method for applying coating on base material |
| CN102848633A (en) * | 2012-02-10 | 2013-01-02 | 王宝根 | Double-sided aluminium multilayer metal composite plate and production line thereof |
| CN109468570A (en) * | 2018-12-28 | 2019-03-15 | 深圳市金中瑞通讯技术有限公司 | A kind of preparation method and spraying equipment of composition metal alloy-coated layer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111036896A (en) * | 2020-01-16 | 2020-04-21 | 深圳市金中瑞通讯技术有限公司 | 17-4PH stainless steel spraying powder material and preparation method thereof |
| CN115807204A (en) * | 2022-11-25 | 2023-03-17 | 国网黑龙江省电力有限公司大兴安岭供电公司 | Method for metalizing surface of carbon fiber composite material and application thereof |
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