CN1867691A - Method of spray plating - Google Patents
Method of spray plating Download PDFInfo
- Publication number
- CN1867691A CN1867691A CNA2004800305019A CN200480030501A CN1867691A CN 1867691 A CN1867691 A CN 1867691A CN A2004800305019 A CNA2004800305019 A CN A2004800305019A CN 200480030501 A CN200480030501 A CN 200480030501A CN 1867691 A CN1867691 A CN 1867691A
- Authority
- CN
- China
- Prior art keywords
- bismuth
- sputtered films
- spraying plating
- spray
- spray plating
- 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
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- 239000007921 spray Substances 0.000 title claims abstract description 46
- 238000007747 plating Methods 0.000 title claims description 125
- 238000000034 method Methods 0.000 title claims description 45
- 238000005507 spraying Methods 0.000 claims abstract description 92
- 239000002245 particle Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000007788 roughening Methods 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052797 bismuth Inorganic materials 0.000 claims description 49
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 49
- 238000000576 coating method Methods 0.000 claims description 17
- 238000000151 deposition Methods 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000004544 sputter deposition Methods 0.000 claims description 14
- 238000005260 corrosion Methods 0.000 claims description 11
- 150000002739 metals Chemical class 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 5
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical compound [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910007570 Zn-Al Inorganic materials 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008439 repair process Effects 0.000 abstract description 7
- 238000010289 gas flame spraying Methods 0.000 abstract description 6
- 239000000843 powder Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000007750 plasma spraying Methods 0.000 abstract 1
- 238000007751 thermal spraying Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 30
- 238000005480 shot peening Methods 0.000 description 24
- 229910000831 Steel Inorganic materials 0.000 description 21
- 239000010959 steel Substances 0.000 description 21
- 241000196324 Embryophyta Species 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000003746 surface roughness Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 244000137852 Petrea volubilis Species 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004941 influx Effects 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 238000003913 materials processing Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- -1 clipped wire Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910018134 Al-Mg Inorganic materials 0.000 description 1
- 229910018467 Al—Mg Inorganic materials 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910000870 Weathering steel Inorganic materials 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- 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
- C23C4/18—After-treatment
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)
- Plasma Technology (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
In the application of plasma spraying to a metal body, it is intended to attain reduction of spraying cost and improvement of working efficiency in roughening operation while maintaining anticorrosive effects. An adhesion strength of spray coating comparable to that obtained in the conventional combination of blast treatment and gas flame spraying can be realized even if roughening is conducted with the use of simple tools by performing in advance such a roughening treatment that the average roughness (Ra) of surface of thermal spray subject falls within the range of 2 to 10 mum with the use of a grinding tool and thereafter carrying out thermal spraying under such conditions that the average area of each of molten particles when molten particles of a thermal spray material have stuck to the surface of thermal spray subject falls within the range of 10000 to 100000 mum<2>. In the roughening by means of grinding tools, large-scale apparatus is not needed as different from the blast treatment, and portable small tools can be used in overhead location work at field repair. The scattering of powder resulting from grinding is slight so that the danger of environmental pollution is low.
Description
Technical field
The present invention is about forming the method for spray plating of corrosion protection with the sputtering of metals film on metal body surface, particularly the method for spray plating about being suitable in the field patch of steel structure body etc.
Background technology
As the anticorrosive measure of steel structure bodies such as iron tower, bridge, overhead facility, storage tank, generally adopted the method for application in the past.But the painting cost of such coating process is very high, and the durability is also limited, but also needs regular recoat or add to be coated with, thereby it is very high to repair cost.For this reason, the corrosion protection measure of coating process has as an alternative proposed on steel surface to form the method for sputtered films of bismuth.For example, open on the severe environment position of having put down in writing in the 2001-89880 communique at steel structure body the spy and to carry out spraying plating, the part beyond at the severe environment position is used the anti-arbor of the steel structure body of weathering steel.Adopt so anti-arbor, can improve the solidity to corrosion of steel structure body integral body, reducing the construction costs and repair cost.
In addition, on the ocean structure body of long-term exposure in harsh corrosive environment, adopted the technology that forms the resin lining form, the someone proposes to adopt the method for method of spray plating as the damage location of this lining form of field patch in the past.For example open and put down in writing in the 2002-69604 communique after carrying out the base treatment of surface roughening on the position that produces defective on the lining form the spy, be preheating to this rejected region temperature required, then, form the method for repairing and mending of the corrosion protection of repair membrane at the powder of this rejected region spraying plating macromolecular compound with lining form.Adopt such method for repairing and mending, compare with the previous methods that adopts normal temperature cured type coating to repair, the life-span is long, reliability is high, can repair at the scene.
Sputtered films of bismuth has excellent properties such as solidity to corrosion, thermotolerance, wearability, and spraying plating and only be not limited to be used on the steel of steelwork component can also be used in the wide spectrum of process for modifying surface of various materials and goods.Spraying plating is that the depositing materials that will be heated to fusion or semi-melting state sprays to the method that is formed sputtered films of bismuth on the spraying plating body, and main method of spray plating has gas flame sputtering process and plasma spray coating method.
The gas flame sputtering process is to utilize the burning flame heating wire of inflammable gas and oxygen, bar-shaped or pulverous depositing materials, forms the method for spray plating of surface film on by the spraying plating body in molten state or near under the molten state it being jetted.This gas flame sputtering process is simple to operate, and cost of equipment and working cost are cheap, and is the most universal.
Also have, the plasma spray coating method is to utilize the plasma jet heating, quicken depositing materials, forms the method for spray plating of surface coating on by the spraying plating body in molten state or near jetting under the molten state.This plasma spray coating method can be used from the high-melting-point pottery to metal, plastics are as depositing materials, can carry out spraying plating under air atmosphere, inert atmosphere or reduced atmosphere.The depositing materials of plasma spray coating mainly is Powdered, but has proposed to use the plasma torch of wire or bar-shaped depositing materials in recent years in the fair 5-80273 communique of spy, special fair 6-39682 communique, No. 3261518 communique of special permission.
Summary of the invention
But, when carrying out spraying plating, as to by the pre-treatment of spraying plating body, must remove by the coating of spraying plating surface, plated film, oxide compound etc. and make the operation of surface roughening.By making by spraying plating surface roughening, the concavo-convex mechanically interlock on the surface of spraying plating particle and roughening improves sputtered films of bismuth and by the sticking power between the spraying plating body, has promptly produced anchoring effect.This surface roughening adopts so-called shot peening to carry out usually.Shot peening has a lot of modes, generally be to utilize pressurized air that natural mineral, artificial mineral, clipped wire, nonmetal grain, cut wire shot etc. are ejected into by on the spraying plating body, make its surface expose body material, form irregular small concavo-convex method simultaneously on the surface.
Carry out such shot peening and need large-scale plants such as shot-peening material hopper, hopper, pneumatic plant, pressurized air pipe arrangement, shot-peening material supply-pipe, nozzle, shot-peening salvage material device, particle collector.Materials processing field at steel structure body etc. is provided with these devices, carry out shot peening in the materials processing stage, will be transported to the working-yard through the material of spraying plating after the shot peening, assemble steel structure body then, under the situation of such construction project, it is no problem to implement shot peening.But, the occasion of Xiu Buing at the scene, from the cost aspect, operation aspect and environment aspect see the very big problem of existence, implementing also has very big difficulty.In order to carry out shot peening at the repairing scene, all devices that need gather together enough above-mentioned at the scene, this is very difficult.In addition, the field patch of large structure mostly is working aloft, and it is also very difficult that the device of necessity is arranged on the high-altitude.And, also being difficult to carry out the recovery of shot-peening material and the collection that produces dust during processing, shot-peening material, the dust that disperses makes operating environment worsen, and has problem of environment pollution caused.
Therefore, in fact the occasion of carrying out spraying plating in repairing at the scene can't carry out shot peening, therefore must inquire into the method that replaces the shot-blasting surface roughening.Also have,, can not avoid the deterioration of operating environment even carry out the occasion of shot peening at the materials processing workshop, if thereby can use replacement shot-blasting surface roughening method, then can't be better.
The problem to be solved in the present invention is, when using sputtered films of bismuth for metallic object spraymetal depositing materials formation corrosion protection, verify can obtain to be enough to satisfy the practical sputtered films of bismuth that requires and by the sticking power between the spraying plating body by the surface roughening condition of spraying plating body and spraying plating condition, not only keep corrosion protection result, and improve the operation of surface roughening operation and reduce the spraying plating cost.
The inventor conscientiously studied as the spraying plating pre-treatment by the surface roughening condition of spraying plating body and spraying plating condition to sputtered films of bismuth and by the influence that sticking power produced between the spraying plating body, found that, even use simple tools comparatively carry out surface roughening by the spraying plating body, by the spraying plating of under the spraying plating condition of regulation, carrying out, also can obtain the sticking power of sufficient sputtered films of bismuth in the practicality, thereby finish the present invention.
That is to say, method of spray plating involved in the present invention, be for metallic object spraymetal depositing materials, particularly use the plasma spray coating method to carry out spraying plating, form the method for spray plating of corrosion protection with sputtered films of bismuth, it is characterized in that this method comprises: using grinding tool to carry out the surface roughening processing, make by the average roughness Ra on the surface of spraying plating body is the operation of 2～10 mu m ranges; And the average area of average per 1 above-mentioned molten particles is 10000～100000 μ m in the time of on the molten particles of depositing materials is attached to by the surface of spraying plating body
2Condition under carry out spraying plating operation.
Here, wish to use the coating apparatus that adopts wire or bar-shaped sputtering of metals material, in addition, preferably use aluminium alloy, more preferably use aluminium-magnesium alloy as above-mentioned sputtering of metals material as the plasma spray plating appts.In addition, can also comprise the operation of the sputtered films of bismuth after the spraying plating being carried out the sealing of hole processing.
The average area of each particle is to carry out plasma spray coating under the condition of specialized range when being attached to by the spraying plating surface at molten particles, is raise by the temperature of spraying plating surface, and molten drop is for being improved by the wetting property of spraying plating surface.Therefore, though when adopting than shot peening the surface roughening degree low pass through the surface roughening that grinding tool carries out, also can obtain with shot peening and gas flame plating combined situation under the sticking power of sputtered films of bismuth of same degree.Carry out surface roughening with grinding tool, desired large-scale plant when not needing shot peening uses in the working aloft of using carry-on small instruments and tools promptly can repair at the scene, the dispersing also seldom of grinding powder, thereby reduced environmental pollution.Also have, if use the arc spraying method to replace the plasma spray coating method, the average area that needs only at each molten particles is 10000～100000 μ m
2Condition under carry out spraying plating, just can obtain effect same as described above and effect.
Description of drawings
Figure 1A is the figure that schematically illustrates the layer-by-layer state of the sputtered films of bismuth when carrying out spraying plating with the plasma spray plating appts.
Figure 1B is the figure that schematically illustrates the layer-by-layer state of the sputtered films of bismuth when carrying out spraying plating with the gas flame coating apparatus.
Fig. 1 C is the figure that schematically illustrates the layer-by-layer state of the sputtered films of bismuth under the situation that surfaceness is big when carrying out spraying plating with the gas flame coating apparatus.
Fig. 2 is the oblique drawing of an example of the grinding tool that uses among the embodiment of expression.
Fig. 3 is the diagram of the major portion of the plasma spray plating appts that expression is used among the embodiment under the state of spraying plating.
Nomenclature
1 ... grinding tool, 2 ... roller, 3 ... sand paper, 4 ... steel, 5 ... sputtered films of bismuth, 6 ... the plasma spray plating appts, 7 ... plasmatorch, 8 ... electrode, 9 ... nozzle, 10 rear wall sections, 11 ... perisporium, 12 ... preceding thin barrel part, 13 ... influx, 14 ... wire, 15 ... feedway, 16 ... guide member, 17 ... extrude wheel, 18 ... continuous-current plant, 19 ... the periphery nozzle, 20 ... outlet, 21 ... molten particles.
Embodiment
In the present invention, spraying plating to as if metallic object.Although spraying plating also is applicable to non-metallic body, be to be prerequisite with the plasma spray coating in the present invention, repairing cost with the function of prevent erosion of reinforced metal structure with reduction is purpose, adopts the method for spray plating for metal structure or its parts formation sputtering of metals film.
In the present invention, the use grinding tool carries out the surface roughening processing as the pre-treatment of spraying plating.Here said grinding tool, be meant the power tool that on the power tool of sand grains that is adhesively fixed on plate-like or the zonal base material, periphery, is provided with baffle plate or steel wire at runner, these instruments be can hand-held small instruments and tools, use when being particularly suitable for repairing at the scene.When using such grinding tool grinding, produce the scratch of massive parallel wire on the surface by spraying plating body surperficial.If grinding tool is moved with certain orientation, the wire scratch also becomes certain orientation, if travel direction is intersected, then the wire scratch also intersects.Concavo-convex in a large number when resembling shot peening in order to form preferably makes the travel direction of grinding tool intersect, but surface roughening of the present invention handles, even the wire scratch of certain orientation also can obtain sufficient sticking power.Also have, under the situation that the wire scratch intersects, the angle of intersection can be any angle, and preferably intersecting angle is 60～90 degree.
Handle the surfaceness that obtains through such surface roughening, average roughness Ra is 2～10 μ m, the preferably scope of 5～8 μ m.In addition, maximal roughness Rz is that 20～100 μ m, roughness peak count value RPc are preferably 30～100 scope.If surfaceness is above-mentioned scope, when molten particles impacts uneven surface during spraying plating, sprawl from the teeth outwards very close to each otherly, the effect of anchoring strengthens on uneven surface.
If the average roughness Ra of surfaceness is littler than 2 μ m, then can't obtain sufficient anchoring effect, the sticking power of sputtered films of bismuth reduces.Average roughness Ra is during greater than 10 μ m, though consider it is favourable from the angle of the sticking power of sputtered films of bismuth, but the sand grains particle diameter of the grinding tool that generates such uneven surface and use must strengthen, grinding resistance increases, the operator's of feasible operation grinding tool burden increases, thereby unactual.Also have, increase if surfaceness is extreme, molten metal can not be expanded and make uneven surface become flat very partially, produces the gap between surface and molten particles, can reduce the sticking power of sputtered films of bismuth on the contrary.
If maximal roughness Rz less than 20 μ m, except the mean roughness that obtains appropriateness, also must form the surfaceness of homogeneous, use above-mentioned grinding tool to carry out surface roughening and handle the difficulty that to become.If maximal roughness Rz greater than 100 μ m, then needs the big grinding tool of grinding particle diameter, but big grinding particle consumption is fast, so be difficult to carry out the construction of homogeneous, operability descends.If roughness peak count value RPc is less than 30, concavo-convex quantity is few, have a lot of little smooths, thereby molten particles is loss of adhesion.On the contrary, if peak count value RPc greater than 100, concavo-convex interval becomes too small, molten particles does not have abundant space to permeate from the teeth outwards, produces the gap, molten particles loss of adhesion.
Among the present invention, coating apparatus uses the plasma spray plating appts, preferably uses the coating apparatus that utilizes wire or bar-shaped sputtering of metals material.Such coating apparatus itself is known as what put down in writing in the fair 5-80273 communique of spy, special fair 6-39682 communique, No. 3261518 communique of special permission, also can utilize known coating apparatus in the present invention.In the present invention, use such plasma spray plating appts to carry out spraying plating, its condition is, the molten particles of depositing materials is attached to by on the surface of spraying plating body the time, and the average area of per 1 molten particles is 10000～100000 μ m
2
The occasion of using the plasma spray plating appts of wire or bar-shaped sputtering of metals material to carry out spraying plating, shown in Figure 1A, molten particles impacts by the surface of spraying plating body S, become flats and stacked, owing under complicated shape, carry out stacked, each sputtered films of bismuth m sticking power to each other improves, and the sticking power of sputtered films of bismuth M as a whole also improves.In addition, because the molten particles that makes depositing materials when carrying out spraying plating is 10000～100000 μ m attached to the average area of per 1 molten particles by on the surface of spraying plating body the time
2, being risen by spraying plating surface temperature, molten drop is for being improved by the wettability of spraying plating surface.
On the other hand, when using gas flame plating device carries out spraying plating, shown in Figure 1B, molten particles when initial has covered by the recess on the surface of spraying plating body S, each sputtered films of bismuth m forms thin flakey, thereby the sputtered films of bismuth surface becomes smoothly, and loss of adhesion between the sputtered films of bismuth of lamination in the above, and the sticking power of sputtered films of bismuth M as a whole also descends.Therefore, when using gas flame plating device carries out spraying plating, need have the concave-convex surface of the roughness of same degree when adopting shot peening to carry out surface roughening.Under the big situation of surfaceness, shown in Fig. 1 C, thin lepidiod each sputtered films of bismuth m suppressed the decline of the sputtered films of bismuth m sticking power to each other of lamination successively, thereby the sticking power of sputtered films of bismuth M as a whole becomes abundant along being formed by the male and fomale(M﹠F) on the surface of spraying plating body S.
In the present invention, for the average roughness Ra that forms through pre-treatment be 2～10 μ m carried out plasma spray coating by the spraying plating surface because the average area that makes when carrying out spraying plating the molten particles of depositing materials be attached to each molten particles by on the spraying plating surface time is 10000～100000 μ m
2Thereby, obtain the lamination of each sputtered films of bismuth shown in Figure 1A, obtain the high sticking power of sputtered films of bismuth as a whole.The average area of each molten particles no matter greater than still being less than above-mentioned scope, all can produce the gap between each sputtered films of bismuth, can not fully be risen by the temperature of spraying plating surface, can't obtain the sticking power of sufficient sputtered films of bismuth.The average area of each molten particles during the gas flame spraying plating is hundreds of～thousands of μ m
2, the average area of each molten particles is hundreds of～thousands of μ m in the arc spraying film
2, slightly bigger molten particles when containing than the gas flame spraying plating, thereby by the average roughness Ra of spraying plating surface be the sticking power that can't obtain sufficient sputtered films of bismuth about 2～10 μ m.
Beyond above-mentioned surface roughening processing and surfaceness and the spraying plating condition, the condition that is not particularly limited.The thickness of sputtered films of bismuth can be selected suitable thickness in the scope of 50～200 μ m according to desired anti-corrosion performance.As the metal of depositing materials, can use known in the past aluminium, zinc, copper, cobalt, titanium etc. and their various metals such as alloy.Wherein, from giving full play to the angle of sacrificial anode effect, aluminium alloys such as preferred especially aluminium or aluminium-magnesium alloy, aluminium zinc.In addition, form after the sputtered films of bismuth, can also carry out sealing of hole and handle.When particularly repairing at the scene, can after spraying plating, carry out sealing of hole as quickly as possible and handle.Can use known in the past resene, organic chemicals class as sealing material.
Embodiment
Below, for the embodiment that is suitable in the field patch of steel structure body, method of spray plating of the present invention is described according to the order of master operation.Wherein, the steel structure body of building well is a structure of having implemented application on galvanized steel, and partial application has taken place to peel off, and is that example describes by spraying plating zinc coating generation corrosive is partly repaired.
＜surface roughening treatment process 〉
Fig. 2 is the oblique drawing of an example of the grinding tool that uses in the present embodiment of expression.
This grinding tool 1 is to be called as the electronic grinding tool that grinds the roll-type sander, and sand paper 3 is installed on roller 2, by its rotation grinding is carried out on the surface of steel damage location.On sand paper 3, be the sand grains such as silicon carbide, aluminum oxide of #20～#40 (median size 1000～425 μ m) with resin bond material set grain size number.With this grinding tool 1 grinding steel surface, grinding application and coating damaged part, it is the uneven surface of 5～8 μ m degree that the surface of steel forms average roughness Ra.In addition, as grinding tool, except grinding the roll-type sander, can also suitably use amary tape grinding machine or disk grinder, flap wheel, commentaries on classics brush etc.
＜coating apparatus 〉
Fig. 3 be expression use in the present embodiment be in spray regime the time the structural representation of major portion of plasma spray plating appts.
The electrode 8 of the plasmatorch of plasma spray plating appts 6 (omitting the internal structure of its main part) 7 is side-prominent forward from the rear wall section with insulativity 10 of nozzle 9.Nozzle 9 have the perisporium cylindraceous 11 that is connected with rear wall parts 10 and be arranged on the front end of perisporium 11, forward side direction section profile sharply dwindle cone shape before thin barrel part 12.A plurality of positions on perisporium 11 form and to make the influx 13 of plasma gas in the circumferential flow nozzle 9.Plasma gas can use the monomer or the mixture of rare gas elementes such as nitrogen, argon gas, helium.
On the peripheral part of the anterior thin barrel part 12 of nozzle 9, periphery nozzle 19 to the front end ejection gas of the medullary ray of nozzle 9 is set along periphery.As gas, can use air, nitrogen, argon gas, helium etc.In the outside of periphery nozzle 19, feedway 15 is set, to the front side of the medullary ray of nozzle 9 but send wire 14 by the position of lining as the Al-Mg alloy of depositing materials than the ejection portion of gas.Feedway 15 has guide member 16 and extrudes wheel 17.
Electrode 8 links to each other with the negative pole of continuous-current plant 18, and wire 14 links to each other with the positive pole of continuous-current plant 18.Continuous-current plant 18 can be supplied with volts DS about 30～200V and the galvanic current about 50～500A.In addition, continuous-current plant 18 can apply the high-voltage of about 3000V the short period of time.
＜spraying plating operation 〉
Plasma spray plating appts 6 is set, make plasma spray plating appts 6 nozzle 9 medullary ray be the surperficial perpendicular of steel 4 by the spraying plating body.
When the influx 13 of plasma spray plating appts 6 flowed into plasma gass, plasma gas produced swirling eddies along perisporium 11.Under this state, apply the voltage of 3000V by continuous-current plant 18, between electrode 8 and wire 14, produce the discharge of cremating.Plasma gas rotates, and the pressure of centre portions reduces, by spark discharge, and the plasma gas preferential discharge of its centre portions.If the generation spark discharge, the plasma gas ionization between electrode 8 and the wire 14 forms ionized state, and galvanic current begins to flow.By the galvanic current that in plasma gas, flows, further promote the plasma of gas, form the plasma electric arc stream.The plasma electric arc stream flows along the centre portions of the plasma gas that reduces pressure owing to swirling eddy, and plasma gas is by this plasma arc stream heating, forms flame passes from the outlet 20 of nozzle 9 and blows out strongly.
The leading section of wire 14 is sharply heated and fusion by the plasma electrically arc stream.Melt metal silk 14 becomes molten particles 21, is jetted to steel 4 by flame passes.Because plasma gas uses rare gas element, the amount of the oxygen that contacts with molten particles 21 reduces, and prevents that the sputtered films of bismuth 5 that forms from oxidation taking place.In addition, leading section fusion and the wire 14 that is consumed moves by extruding wheel 17 forward end makes its front end consistent with the medullary ray of nozzle 9.Peripheral injector nozzles 19 makes pressurized gas flow into from the rear, form coniform from the place ahead ejection.Gas to molten particles 21 winding-ups, makes molten particles 21 become tiny from outer circumferential side, becomes the size of the most suitable formation sputtered films of bismuth 5.The molten particles 21 of granular impacts the flats that becomes behind the surface of steel 4, and such molten particles 21 forms multilayer laminated and combination, and the cooling back forms sputtered films of bismuth 5.
＜sticking power measurement result 〉
In order to confirm the effect of method of spray plating of the present invention, for adopting shot peening to carry out and adopting ground to carry out by the situation of spraying plating surface roughening by spraying plating surface roughening, use known gas flame coating apparatus and plasma spray plating appts as shown in Figure 3 to carry out spraying plating respectively, measure surface roughening and handle the surfaceness afterwards and the sticking power of sputtered films of bismuth.Measurement result is shown in Table 1.In the explanation of ISO (International Standards Organization) 2063, so-called practical sufficient sticking power is more than or equal to 4.5N/mm
2Adopt the essential value of this value in the present embodiment as sticking power.
Table 1
| Sputtering process | Surface roughening is handled | Roughness Ra (μ m) after surface roughening is handled | Sticking power (the N/mm of sputtered films of bismuth 2) |
| The gas flame spraying plating | Shot peening | 20 | 6～7 |
| | 10 | 3～4 | |
| 2 | 1～2 | ||
| Plasma spray coating | Shot peening | 20 | More than or equal to 7 |
| | 10 | 6～7 | |
| 2 | 6～7 | ||
| 1 | 2～3 |
(annotate: the mensuration of sticking power is to use the elcometer according to JIS H8661 standard to carry out.)
As known from Table 1, in the occasion of gas flame spraying plating, shot peening is carried out in processing as surface roughening, as long as surface roughness Ra is that the sticking power of sputtered films of bismuth will reach 6～7N/mm about 20 μ m
2About, obtain enough sticking power, but when only obtaining surface roughness Ra less than the roughness of 15 μ m through ground, the sticking power of sputtered films of bismuth is 4N/mm
2Or below, practical sticking power is not being met.Usually, the surface roughness Ra under the situation of shot peening is 15～40 μ m, adopts the gas flame spraying plating to obtain 6～7N/mm
2About sticking power.Relative therewith, in the occasion of plasma spray coating, even adopt surface roughness Ra that ground the obtains scope at 2～10 μ m, the sticking power of sputtered films of bismuth is 6～7N/mm
2, also can obtain sufficient sticking power.But, if surface roughness Ra less than 2 μ m, because sticking power reduces, is unfavorable for practical application.
Utilize possibility on the industry
More than, method of spray plating of the present invention is illustrated as example as metallic object take steel structure body, but method of spray plating of the present invention goes for comprising the various metal structures of steel construction and the corrosion protection of parts thereof. In addition, by material, the spraying plating condition of suitable selection metallising material, can also be applied to metallic object structure or parts in addition.
Claims (12)
1. method of spray plating, this method is that metallic object spraymetal depositing materials is formed the sputtered films of bismuth that corrosion protection is used, it is characterized in that, comprising: carry out surface roughening with grinding tool and handle, make the operation that is become the scope of 2～10 μ m by the average roughness Ra on the surface of spraying plating body; And the average area of per 1 above-mentioned molten particles is 10000～100000 μ m when the molten particles of depositing materials is attached to by spraying plating body surperficial
2Condition under carry out spraying plating operation.
2. method of spray plating according to claim 1 is characterized in that, the plasma spray coating method is adopted in described spraying plating.
3. method of spray plating according to claim 2 is characterized in that, uses the coating apparatus utilize wire or bar-shaped sputtering of metals material as the plasma spray plating appts.
4. method of spray plating according to claim 1 is characterized in that, uses aluminium alloys such as aluminium or aluminium-magnesium alloy, Zn-Al alloy as described sputtering of metals material.
5. method of spray plating according to claim 2 is characterized in that, uses aluminium alloys such as aluminium or aluminium-magnesium alloy, Zn-Al alloy as described sputtering of metals material.
6. method of spray plating according to claim 3 is characterized in that, uses aluminium alloys such as aluminium or aluminium-magnesium alloy, Zn-Al alloy as described sputtering of metals material.
7. method of spray plating according to claim 1 is characterized in that, is included in to form the operation of carrying out the sealing of hole processing behind the sputtered films of bismuth.
8. method of spray plating according to claim 2 is characterized in that, is included in to form the operation of carrying out the sealing of hole processing behind the sputtered films of bismuth.
9. method of spray plating according to claim 3 is characterized in that: be included in and form the operation of carrying out the sealing of hole processing behind the sputtered films of bismuth.
10. method of spray plating according to claim 4 is characterized in that, is included in to form the operation of carrying out the sealing of hole processing behind the sputtered films of bismuth.
11. method of spray plating according to claim 5 is characterized in that, is included in to form the operation of carrying out the sealing of hole processing behind the sputtered films of bismuth.
12. method of spray plating according to claim 6 is characterized in that, is included in to form the operation of carrying out the sealing of hole processing behind the sputtered films of bismuth.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3622122003 | 2003-10-22 | ||
| JP2003362212A JP4502622B2 (en) | 2003-10-22 | 2003-10-22 | Thermal spraying method |
| JP362212/2003 | 2003-10-22 |
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| CN1867691A true CN1867691A (en) | 2006-11-22 |
| CN100569989C CN100569989C (en) | 2009-12-16 |
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| CNB2004800305019A Expired - Fee Related CN100569989C (en) | 2003-10-22 | 2004-10-15 | Method of spray plating |
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| Country | Link |
|---|---|
| EP (1) | EP1679388A4 (en) |
| JP (1) | JP4502622B2 (en) |
| KR (1) | KR101088005B1 (en) |
| CN (1) | CN100569989C (en) |
| TW (1) | TW200514869A (en) |
| WO (1) | WO2005040446A1 (en) |
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| CN110484850A (en) * | 2019-09-26 | 2019-11-22 | 中国人民解放军陆军装甲兵学院 | A method of preparing the good spray coating of binding performance on nitriding matrix |
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2003
- 2003-10-22 JP JP2003362212A patent/JP4502622B2/en not_active Expired - Lifetime
-
2004
- 2004-10-15 CN CNB2004800305019A patent/CN100569989C/en not_active Expired - Fee Related
- 2004-10-15 WO PCT/JP2004/015257 patent/WO2005040446A1/en active Application Filing
- 2004-10-15 KR KR1020067006647A patent/KR101088005B1/en not_active IP Right Cessation
- 2004-10-15 EP EP04792474A patent/EP1679388A4/en not_active Withdrawn
- 2004-10-20 TW TW093131838A patent/TW200514869A/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380659B (en) * | 2007-09-05 | 2012-07-18 | 大同特殊钢株式会社 | Mould for cold forging and manufacture method thereof |
| CN107946596A (en) * | 2016-10-12 | 2018-04-20 | Ls美创有限公司 | Easy-to-handle electrolytic copper foil including its electrode and secondary cell and its manufacture method |
| CN110484850A (en) * | 2019-09-26 | 2019-11-22 | 中国人民解放军陆军装甲兵学院 | A method of preparing the good spray coating of binding performance on nitriding matrix |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200514869A (en) | 2005-05-01 |
| JP2005126750A (en) | 2005-05-19 |
| WO2005040446A1 (en) | 2005-05-06 |
| JP4502622B2 (en) | 2010-07-14 |
| KR20060125714A (en) | 2006-12-06 |
| TWI341876B (en) | 2011-05-11 |
| EP1679388A1 (en) | 2006-07-12 |
| EP1679388A4 (en) | 2008-03-19 |
| KR101088005B1 (en) | 2011-12-01 |
| CN100569989C (en) | 2009-12-16 |
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