CN104498856A - High corrosion resistant electric arc spraying pure zinc coating hole sealing agent, preparation technology and application thereof - Google Patents
High corrosion resistant electric arc spraying pure zinc coating hole sealing agent, preparation technology and application thereof Download PDFInfo
- Publication number
- CN104498856A CN104498856A CN201310187499.7A CN201310187499A CN104498856A CN 104498856 A CN104498856 A CN 104498856A CN 201310187499 A CN201310187499 A CN 201310187499A CN 104498856 A CN104498856 A CN 104498856A
- Authority
- CN
- China
- Prior art keywords
- hole sealing
- sealing agent
- electric arc
- arc spraying
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 151
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 106
- 238000000576 coating method Methods 0.000 title claims abstract description 88
- 239000011248 coating agent Substances 0.000 title claims abstract description 86
- 238000005507 spraying Methods 0.000 title claims abstract description 80
- 238000010891 electric arc Methods 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 230000007797 corrosion Effects 0.000 title abstract description 25
- 238000005260 corrosion Methods 0.000 title abstract description 25
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title abstract description 9
- 239000011701 zinc Substances 0.000 title abstract description 9
- 229910052725 zinc Inorganic materials 0.000 title abstract description 9
- 238000005516 engineering process Methods 0.000 title description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims abstract description 18
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229940068041 phytic acid Drugs 0.000 claims abstract description 18
- 235000002949 phytic acid Nutrition 0.000 claims abstract description 18
- 239000000467 phytic acid Substances 0.000 claims abstract description 18
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 17
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000011282 treatment Methods 0.000 claims abstract description 14
- 229910000635 Spelter Inorganic materials 0.000 claims description 57
- 238000002156 mixing Methods 0.000 claims description 30
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 claims description 15
- 235000019353 potassium silicate Nutrition 0.000 claims description 15
- 238000007654 immersion Methods 0.000 claims description 13
- 238000002791 soaking Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 7
- 239000004115 Sodium Silicate Substances 0.000 abstract description 2
- 229910052911 sodium silicate Inorganic materials 0.000 abstract description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 abstract 1
- 235000015393 sodium molybdate Nutrition 0.000 abstract 1
- 239000011684 sodium molybdate Substances 0.000 abstract 1
- 239000011799 hole material Substances 0.000 description 118
- 238000000034 method Methods 0.000 description 25
- 239000011148 porous material Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005524 ceramic coating Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910018134 Al-Mg Inorganic materials 0.000 description 1
- 229910018137 Al-Zn Inorganic materials 0.000 description 1
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 1
- 229910018467 Al—Mg Inorganic materials 0.000 description 1
- 229910018573 Al—Zn Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical group CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—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)
Abstract
The invention discloses a high corrosion resistant electric arc spraying pure zinc coating hole sealing agent. 1 liter of the hole sealing agent comprises the following components: 2-4g of phytic acid, 3-6g of sodium molybdate, 45-55g of sodium silicate, 2-4g of benzimidazole, and the balance water. The invention also discloses a preparation method and application of the hole sealing agent. The hole sealing agent provided by the invention can be used for hole sealing treatment on an electric arc spraying pure zinc coating, and after hole sealing treatment by the hole sealing agent, a chemical oxide film can be formed on the surface by combination so as to significantly reduce the porosity of the electric arc spraying pure zinc coating and improve the corrosion resistance ability of the electric arc spraying pure zinc coating, and the hole sealing agent is environment-friendly and pollution-free.
Description
Technical field
The present invention relates to a kind of coating sealing reagent and preparation technology and application thereof, the rotten pure spelter coating hole sealing agent of electric arc spraying of especially a kind of high resistance and preparation technology and application thereof.
Background technology
Along with the development of Modern Surface Technology, the hot spray coating with very high performance price ratio has obtained to be applied more and more widely.Especially arc spraying technology is a kind of low cost, efficient, energy-conservation, flexible operation and coating quality is stablized, anchoring strength of coating is high technology, fast development at home in recent years, self advantage provides precondition for it plays a role at corrosion-resistant field, lays a good foundation for it is widely applied in more wide field.Arc spraying technology is increasingly mature, at present both at home and abroad fine aluminium, pure zinc or the various compound coating such as Al-Mg, Al-Zn mainly with steel plate etc. for matrix, be widely applied to various land facility if pipeline, oily cylinder, tanks, boiler, bridge and coastal facility are as hull etc., the performances such as its wear resistance, shock resistance, erosion resistance can have been significantly improved.But the coating after spraying has certain hole, its hole has a certain impact to the result of use of coating and work-ing life.Especially the forming process of arc spraying coating determines the hole that coatingsurface and inside exist some amount, unavoidable hole becomes the source region of spot corrosion, reduce the erosion resistance of coating, the porosity of spray-on coating is directly related with its resistance to corrosion, and the larger resistance to corrosion of porosity is poorer.Therefore when coating porosity is larger, its corrosion resistance is poor, can not meet the requirement of technique, so need suitable aftertreatment be carried out, to improve its resistance to corrosion.Thus make the operation sealing pores of metallic coating being become to one necessity.
The method of the current main employing physical containment of sealing treatment method of current solution sprayed metal coating is carried out, comprise that coating is closed, oil impregnate, high temperature resistantly to close, the method such as diffusion heat treatments, the space of filling hot spray coating, thus realize the sealing pores to hot spray coating.
Up to the present solve arc spraying coating hole sealing technology that space adopts both at home and abroad, be mainly the shielding processing by physics, also apply by hole sealing agent and infiltrate hot spray coating, and then realize the sealing pores to hot spray coating.Domestic and international hole sealing agent used is generally divided into two kinds: organic hole sealing agent and mineral-type hole sealing agent.Typical organic hole sealing agent is some unitary or binary unsaturated polyester class, such as epoxy resin, resol, silicone resin etc. mainly.These organic resin class hole sealing agents can only act on coatingsurface, can not reach effective hole sealing depth.Some mineral-type hole sealing agents, as sodium silicate water glass, Sodium orthomolybdate etc. also commonly use hole sealing agent as a kind of coating, make simple, cheap.But shortcoming is in use, but except hole sealing depth is subject to a definite limitation, these hole sealing agents can shrink in process of setting, cause sealing of hole density to reduce.Under external force, the sealing of hole medium after these sclerosis is very easily brittle, causes coating sealing of hole poor effect.
Chinese invention patent application numbers 201210395838.6 discloses a kind of compound hole sealing agent and using method thereof of hot spray coating, and compound hole sealing agent is three layers, consisting of of bottom hole sealing agent: H2O+SiO2+AL2O3+CrO3; Consisting of of middle layer hole sealing agent: H2O+CrO3; Consisting of of top layer hole sealing agent: H 2O+BN+CrO3, by the hot spray coating of sealing of hole at 450 ~ 500 DEG C of temperature, carries out the solidification treatment of 1-3 hour; Then brush middle layer hole sealing agent, then adopt identical curing process to be cured process; Finally brush top layer hole sealing agent, then adopt identical curing process to be cured process.This invention processes mainly for the hole of sinking roller and stabilizing roller hot spray coating, and the sealing treatment temperature height time is long.
Chinese invention patent application numbers 201210189684.5 discloses a kind of thermal Sperayed Ceramic Coatings surface-sealing method, acidic solution sensitization containing Sn2+ is placed in by there being the parts of thermal Sperayed Ceramic Coatings, activate in containing the acidic solution of Pd 2+, finally chemical nickel plating in the chemical plating fluid containing reductive agent and nickel salt.The method can only for ceramic coating sealing of hole, and range of application has limitation.
Chinese invention patent application numbers 201210084157.8 discloses a kind of high temperature resistant alkali steam corrosion arc spraying aluminum coatings hole sealing agent and using method thereof, and in the method, the weight part ratio of hole sealing agent consists of: polyester modified organic silicon resin 40-60 part, solidifying agent 10-30 part, aluminum oxide 1-5 part, barium sulfate 10-30 part, titanium dioxide 5-15 part, carbon black 1-5 part, solvent 10-15 part.Hole sealing agent is brushed in aluminum coating surface, thickness should be even, and guarantee the defect such as pore-free, scratch, can solidify in the at room temperature short period of time, there is good high temperature resistant alkali steam corrosion performance, although but the more common hole sealing agent performance of this method is better, mechanism is still traditional physical shielding effect.The hole sealing agent of a kind of supersonic flame spraying iron base amorphous coating disclosed in Chinese invention patent application numbers 201110137702.0 and application thereof in addition, range of application is confined to Velocity Oxygen Flame Sprayed Coatings, it uses brushing or immersion process that hole sealing agent is evenly coated on coatingsurface, room temperature leaves standstill 12 hours, then the spray-on coating of sealing of hole is respectively incubated successively at 100 DEG C, 200 DEG C, 250 DEG C temperature the method for 2 hours as wide range of industrial applications, efficiency is still lower, and is physics sealing of hole.
Especially for baroque part, when carrying out sealing treatment with traditional hole sealing agent, some place not easily applies and puts in place, shadow sealing of hole effect, and the drying of hole sealing agent needs the long period, wastes time and energy.
The physical barriers of above-mentioned hole sealing agent acts on to be filled up completely to the space of arc spraying coating and all there is deficiency working efficiency aspect.
Summary of the invention
The organic resin class hole sealing agent that the object of the invention is to spray in pure spelter coating hole sealing technology to solve existing conventional arc can not reach effective hole sealing depth, mineral-type hole sealing agent process of setting shrinks, sealing of hole density is caused to reduce, the problems such as coating sealing of hole poor effect.The rotten hole sealing agent of a kind of high resistance that effectively can improve the pure spelter coating resistance to corrosion of electric arc spraying and preparation technology and application thereof are provided, it can carry out sealing pores to the pure spelter coating of system electric arc spraying, and chemical oxide film is being formed in its surface bonding after hole sealing agent sealing pores, significantly can reduce the porosity of the pure spelter coating of electric arc spraying, improve the resistance to corrosion of the pure spelter coating of electric arc spraying, and hole sealing agent is environment friendly and pollution-free.
For achieving the above object, the present invention adopts following technical proposals:
The pure spelter coating hole sealing agent of a kind of high anticorrosion electric arc spraying, with 1 liter of described hole sealing agent for benchmark, comprise following component, phytic acid 2-4 grams per liter, Sodium orthomolybdate 3-6 grams per liter, water glass 45-55 grams per liter, benzimidazolyl 2-4 grams per liter, surplus is water.
This hole sealing agent is prepared according to the following steps:
1) benzimidazolyl is joined in 100ml water, stir and benzimidazolyl is dissolved in the water, mixing;
2) water glass mixing is slowly added again;
3) Sodium orthomolybdate mixing is then added;
4) phytic acid mixing is added again;
5) finally slowly add water, reach reference volume, namely mixing completes the preparation of hole sealing agent.
The application of the pure spelter coating hole sealing agent of high anticorrosion electric arc spraying,
Washed by parts with the pure spelter coating of electric arc spraying, the temperature selecting water is 30 ~ 45 DEG C, the then moisture on removing component surface;
Then by immersion way, the parts with the pure spelter coating of electric arc spraying are immersed in the solution of described hole sealing agent, and make described parts surface be uniformly distributed hole sealing agent; Select hole sealing agent soaking solution temperature to be 40 ~ 60 DEG C, the time is 6 ~ 8min;
The pure spelter coating of electric arc spraying is after above hole sealing agent immersion treatment, and dry 6-10min, bake out temperature is 70-80 DEG C.
The temperature of described water is 40 DEG C.
Described soaking solution temperature is 50 DEG C.
The described soaking solution time is 7min.
Described drying time is 8min.
Described bake out temperature is 75 DEG C.
In the present invention, phytic acid have can with 12 of a metal complex hydroxyl, 24 Sauerstoffatoms and 6 phosphate-based, phytic acid can form multiple chelate ring with metal ion within the scope of wider pH, obtains very stable complex compound.Make the adding of phytic acid hole sealing agent with the unit molecule organic protective film easily generating one deck densification during the complexing of thermal spray metal coatingsurface at coatingsurface, can effectively stop oxygen etc. to enter coatingsurface, play good sealing of hole effect.
Adding of Sodium orthomolybdate can strengthen phytic acid at surface formation sealing of hole film together with benzimidazolyl, and forms on hot spray coating surface the oxide film be made up of the oxide compound of zinc and the compound of molybdenum.The cathodic process that this film can hinder zinc to be corroded, remarkable reduction corrosion electric current density, thus the corrosion hindering zinc, the synergy of Sodium orthomolybdate, benzimidazolyl and phytic acid, sealing of hole effect can be improved further by intermolecular synergistic oxidation effect, and the surperficial resistance to corrosion after sealing of hole.
Adding of water glass is because its relative cost is lower, can form stable oxide film on thermospray pure spelter coating surface equally, water glass adds as the sealing of hole material of main body, can greatly reduce hole sealing agent cost, with several material compound use above, chemical sealing of hole oxide film of good performance can be obtained on hot spray coating surface, this compound complex oxide film produced at hot spray coating surface-sealing, the polarization impedance that its polarization impedance adds separately than simple above each material is much bigger, this illustrates that the solidity to corrosion of compound hole sealing oxide film is not the simple superposition of the oxidation film corrosion resistance that each independent component is formed, the solidity to corrosion of this protective membrane and even bridging excellence, it is the hot spraying coating sealing reagent that a kind of sealing of hole performance is fabulous.
Performance comparision:
Carry out neutral salt spray test according to ISO 9227-2006 salt-fog test standard and occur the white rust time
| Non-sealing pores sample | Example 1 | Example 2 | Example 3 | Example 4 |
| 6 hours | 35 hours | 36 hours | 34 hours | 33 hours |
The invention has the beneficial effects as follows, in order to meet the needs that Industrial materials improve the corrosion resisting property of arc spraying coating, the present invention proposes the rotten hole sealing agent of high resistance and the hole-sealing technology of specialized application and the pure spelter coating of electric arc spraying, sealing pores is carried out to the pure spelter coating of electric arc spraying, electric arc spraying pure spelter coating surface reaction after sealing pores also can be formed in conjunction with good chemical oxide film, significantly can reduce the porosity of the pure spelter coating of electric arc spraying, the corrosion resistance of the pure spelter coating of effective raising electric arc spraying, compare after the inorganic of the traditional of traditional physical shielding effect and organic sealing agent process through electric arc spraying of the present invention pure spelter coating hole sealing agent and the pure spelter coating of electric arc spraying for the treatment of process process and there is better resistance to corrosion, and hole sealing agent is environment friendly and pollution-free.
The present invention proposes to carry out sealing pores with electric arc spraying pure spelter coating hole sealing agent to the pure spelter coating of electric arc spraying, to form fine and close chemical oxide film on the pure spelter coating surface of electric arc spraying.In the present invention, the sealing pores of electric arc spraying pure spelter coating hole sealing agent is that application hole sealing agent can enter the hole between the pure spelter coating of electric arc spraying and occur with it effectively to combine and reactivity, make the pure spelter coating of electric arc spraying after sealing pores its coating exist hole fill up by the film substrate being generated, and formed in conjunction with good oxide film on electric arc spraying pure spelter coating surface, thus the significant porosity reducing the pure spelter coating of electric arc spraying, the pure spelter coating resistance to corrosion of electric arc spraying is obviously strengthened.
The pure spelter coating of electric arc spraying is after the rotten hole sealing agent sealing pores of high resistance of the present invention, formed in conjunction with good oxide film at coatingsurface, the hole sealing agent of conventional physical of comparing shield type, sealing of hole better effects if, resistance to corrosion obviously strengthens, sealing pores does not affect conductivity and the outward appearance of the pure spelter coating of electric arc spraying, meet the requirements of current aftertreatment technology to the pure spelter coating resistance to corrosion of electric arc spraying, working efficiency of the present invention is high simultaneously, treatment time is short, technique is simple, environment friendly and pollution-free, is applicable to suitability for industrialized production completely.
Accompanying drawing explanation
Fig. 1 is the present invention's application schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1:
The pure spelter coating hole sealing agent of a kind of high anticorrosion electric arc spraying, with 1 liter of described hole sealing agent for benchmark, comprise following component, phytic acid 3 grams per liter, Sodium orthomolybdate 5 grams per liter, water glass 55 grams per liter, benzimidazolyl 2 grams per liter, surplus is water.
This hole sealing agent is prepared according to the following steps:
1) benzimidazolyl is joined in 100ml water, mixing;
2) water glass mixing is slowly added again;
3) Sodium orthomolybdate mixing is then added;
4) phytic acid mixing is added again;
5) finally slowly add water, reach reference volume, namely mixing completes the preparation of hole sealing agent.
The application of the pure spelter coating hole sealing agent of high anticorrosion electric arc spraying,
Washed by parts with the pure spelter coating of electric arc spraying, the temperature selecting water is 30 DEG C, the then moisture on removing component surface;
Then by immersion way, the parts with the pure spelter coating of electric arc spraying are immersed in the solution of described hole sealing agent, and make described parts surface be uniformly distributed hole sealing agent; Select hole sealing agent soaking solution temperature to be 40 DEG C, the time is 6min;
The pure spelter coating of electric arc spraying is after above hole sealing agent immersion treatment, and dry 6min, bake out temperature is 70 DEG C.
Embodiment 2:
The pure spelter coating hole sealing agent of a kind of high anticorrosion electric arc spraying, with 1 liter of described hole sealing agent for benchmark, comprise following component, phytic acid 2 grams per liter, Sodium orthomolybdate 3 grams per liter, water glass 45 grams per liter, benzimidazolyl 2 grams per liter, surplus is water.
This hole sealing agent is prepared according to the following steps:
1) benzimidazolyl is joined in 100ml water, mixing;
2) water glass mixing is slowly added again;
3) Sodium orthomolybdate mixing is then added;
4) phytic acid mixing is added again;
5) finally slowly add water, reach reference volume, namely mixing completes the preparation of hole sealing agent.
The application of the pure spelter coating hole sealing agent of high anticorrosion electric arc spraying,
Washed by parts with the pure spelter coating of electric arc spraying, the temperature selecting water is 40 DEG C, the then moisture on removing component surface;
Then by immersion way, the parts with the pure spelter coating of electric arc spraying are immersed in the solution of described hole sealing agent, and make described parts surface be uniformly distributed hole sealing agent; Select hole sealing agent soaking solution temperature to be 50 DEG C, the time is 7min;
The pure spelter coating of electric arc spraying is after above hole sealing agent immersion treatment, and dry 8min, bake out temperature is 75 DEG C.
Embodiment 3:
The pure spelter coating hole sealing agent of a kind of high anticorrosion electric arc spraying, with 1 liter of described hole sealing agent for benchmark, comprise following component, phytic acid 4 grams per liter, Sodium orthomolybdate 6 grams per liter, water glass 55 grams per liter, benzimidazolyl 4 grams per liter, surplus is water.
This hole sealing agent is prepared according to the following steps:
1) benzimidazolyl is joined in 100ml water, mixing;
2) water glass mixing is slowly added again;
3) Sodium orthomolybdate mixing is then added;
4) phytic acid mixing is added again;
5) finally slowly add water, reach reference volume, namely mixing completes the preparation of hole sealing agent.
The application of the pure spelter coating hole sealing agent of high anticorrosion electric arc spraying,
Washed by parts with the pure spelter coating of electric arc spraying, the temperature selecting water is 45 DEG C, the then moisture on removing component surface;
Then by immersion way, the parts with the pure spelter coating of electric arc spraying are immersed in the solution of described hole sealing agent, and make described parts surface be uniformly distributed hole sealing agent; Select hole sealing agent soaking solution temperature to be 60 DEG C, the time is 8min;
The pure spelter coating of electric arc spraying is after above hole sealing agent immersion treatment, and dry 10min, bake out temperature is 80 DEG C.
Embodiment 4: the pure spelter coating hole sealing agent of a kind of high anticorrosion electric arc spraying, with 1 liter of described hole sealing agent for benchmark, comprise following component, phytic acid 2 grams per liter, Sodium orthomolybdate 5 grams per liter, water glass 50 grams per liter, benzimidazolyl 3 grams per liter, surplus is water.
This hole sealing agent is prepared according to the following steps:
1) benzimidazolyl is joined in 100ml water, mixing;
2) water glass mixing is slowly added again;
3) Sodium orthomolybdate mixing is then added;
4) phytic acid mixing is added again;
5) finally slowly add water, reach reference volume, namely mixing completes the preparation of hole sealing agent.
The application of the pure spelter coating hole sealing agent of high anticorrosion electric arc spraying,
Washed by parts with the pure spelter coating of electric arc spraying, the temperature selecting water is 41 DEG C, the then moisture on removing component surface;
Then by immersion way, the parts with the pure spelter coating of electric arc spraying are immersed in the solution of described hole sealing agent, and make described parts surface be uniformly distributed hole sealing agent; Select hole sealing agent soaking solution temperature to be 46 DEG C, the time is 6min;
The pure spelter coating of electric arc spraying is after above hole sealing agent immersion treatment, and dry 10min, bake out temperature is 78 DEG C.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (8)
1. the pure spelter coating hole sealing agent of high anticorrosion electric arc spraying, is characterized in that, with 1 liter of described hole sealing agent for benchmark, comprises following component, phytic acid 2-4 grams per liter, Sodium orthomolybdate 3-6 grams per liter, water glass 45-55 grams per liter, benzimidazolyl 2-4 grams per liter, and surplus is water.
2. the preparation method of hole sealing agent as claimed in claim 1, is characterized in that, prepares according to the following steps:
1) benzimidazolyl is joined in 100ml water, mixing;
2) water glass mixing is slowly added again;
3) Sodium orthomolybdate mixing is then added;
4) phytic acid mixing is added again;
5) finally slowly add water, reach reference volume, namely mixing completes the preparation of hole sealing agent.
3. hole sealing agent is used for the application of the pure spelter coating of high anticorrosion electric arc spraying as claimed in claim 1, it is characterized in that,
Washed by parts with the pure spelter coating of electric arc spraying, the temperature selecting water is 30 ~ 45 DEG C, the then moisture on removing component surface;
Then by immersion way, the parts with the pure spelter coating of electric arc spraying are immersed in the solution of described hole sealing agent, and make described parts surface be uniformly distributed hole sealing agent; Select hole sealing agent soaking solution temperature to be 40 ~ 60 DEG C, the time is 6 ~ 8min;
The pure spelter coating of electric arc spraying is after above hole sealing agent immersion treatment, and dry 6-10min, bake out temperature is 70-80 DEG C.
4. apply as claimed in claim 3, it is characterized in that, the temperature of described water is 40 DEG C.
5. apply as claimed in claim 3, it is characterized in that, described soaking solution temperature is 50 DEG C.
6. apply as claimed in claim 3, it is characterized in that, the described soaking solution time is 7min.
7. apply as claimed in claim 3, it is characterized in that, described drying time is 8min.
8. apply as claimed in claim 3, it is characterized in that, described bake out temperature is 75 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187499.7A CN104498856B (en) | 2013-05-20 | 2013-05-20 | A kind of high pure spelter coating hole sealing agent of anti-rotten electric arc spraying and preparation technology and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187499.7A CN104498856B (en) | 2013-05-20 | 2013-05-20 | A kind of high pure spelter coating hole sealing agent of anti-rotten electric arc spraying and preparation technology and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104498856A true CN104498856A (en) | 2015-04-08 |
| CN104498856B CN104498856B (en) | 2017-03-29 |
Family
ID=52940306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310187499.7A Expired - Fee Related CN104498856B (en) | 2013-05-20 | 2013-05-20 | A kind of high pure spelter coating hole sealing agent of anti-rotten electric arc spraying and preparation technology and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104498856B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958015A (en) * | 2017-03-31 | 2017-07-18 | 森鹤乐器股份有限公司 | A kind of water-soluble high-efficient nickel plating antirust sealer and its compound method |
| WO2017214781A1 (en) * | 2016-06-12 | 2017-12-21 | 深圳市恒兆智科技有限公司 | Chromium-free washing-free coating agent, aluminium material and method for coating treatment of surface thereof |
| CN112342545A (en) * | 2020-09-28 | 2021-02-09 | 中电华创(苏州)电力技术研究有限公司 | Hole sealing preparation method for thermal spraying glass layer |
| CN115210069A (en) * | 2020-03-04 | 2022-10-18 | 贝卡尔特公司 | Concrete 3D prints structure with good anchor rope |
| CN115210070A (en) * | 2020-03-04 | 2022-10-18 | 贝卡尔特公司 | Concrete 3D prints structure with extending rope |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1456706A (en) * | 2003-05-05 | 2003-11-19 | 东风汽车公司 | Tin cladding surface antioxidant and use process thereof |
| CN101709497A (en) * | 2009-12-24 | 2010-05-19 | 江西科技师范学院 | Environmentally-friendly magnesium alloy chemical conversion film, microarc oxide film hole sealing solution and hole sealing method |
-
2013
- 2013-05-20 CN CN201310187499.7A patent/CN104498856B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1456706A (en) * | 2003-05-05 | 2003-11-19 | 东风汽车公司 | Tin cladding surface antioxidant and use process thereof |
| CN101709497A (en) * | 2009-12-24 | 2010-05-19 | 江西科技师范学院 | Environmentally-friendly magnesium alloy chemical conversion film, microarc oxide film hole sealing solution and hole sealing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017214781A1 (en) * | 2016-06-12 | 2017-12-21 | 深圳市恒兆智科技有限公司 | Chromium-free washing-free coating agent, aluminium material and method for coating treatment of surface thereof |
| CN106958015A (en) * | 2017-03-31 | 2017-07-18 | 森鹤乐器股份有限公司 | A kind of water-soluble high-efficient nickel plating antirust sealer and its compound method |
| CN115210069A (en) * | 2020-03-04 | 2022-10-18 | 贝卡尔特公司 | Concrete 3D prints structure with good anchor rope |
| CN115210070A (en) * | 2020-03-04 | 2022-10-18 | 贝卡尔特公司 | Concrete 3D prints structure with extending rope |
| CN112342545A (en) * | 2020-09-28 | 2021-02-09 | 中电华创(苏州)电力技术研究有限公司 | Hole sealing preparation method for thermal spraying glass layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104498856B (en) | 2017-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104498856A (en) | High corrosion resistant electric arc spraying pure zinc coating hole sealing agent, preparation technology and application thereof | |
| CN103243290B (en) | Electric arc spraying pure aluminium coating sealant with high corrosion resistance, preparation process and application of sealant | |
| CN102251239B (en) | Composite color-coating chromium-free passivating solution based on waterborne epoxy resin for galvanized sheet | |
| CN107740085B (en) | A kind of composite coloured passivating solution of environment-friendly type and preparation method thereof | |
| CN101298677A (en) | Preparation of wear resistant corrosion resistant nano-composite deposit on magnesium alloy surface | |
| CN101135050B (en) | Metasilicate cleaning inactivating process | |
| CN103243371B (en) | Preparation method of zinc anode oxidation film layer | |
| CN101717931A (en) | Rare-earth ion compound passivant used for copper surface passivation and preparation method thereof | |
| CN104141138A (en) | Preparation method of micro-arc oxidation-composite chemical nickel plating coating layer on surface of magnesium alloy | |
| CN112160007A (en) | Antibacterial, mildewproof and antiviral electrophoresis stainless steel and preparation method thereof | |
| CN103242736B (en) | Electric arc spraying zinc-aluminium alloy coating sealant with high corrosion resistance, preparation process and application of sealant | |
| CN113832455A (en) | Environment-friendly silicate passivation solution for zinc coating and preparation method and application thereof | |
| CN101525747B (en) | Clean rare-earth salt passivation solution | |
| CN103966590A (en) | Monosilane composited chromate-free passivation liquid and method for passivating galvanized steel wire surface coating | |
| CN102492912B (en) | Single galvanizing-10% aluminum-rare earth alloy flux and use method thereof | |
| CN102796983A (en) | Sealant of supersonic-speed flame sprayed iron-based amorphous coating and application of sealant | |
| EP3239355B1 (en) | Trivalent chromium chemical conversion liquid for zinc or zinc alloy bases | |
| CN103243289B (en) | Electric arc spraying aluminium-magnesium alloy coating sealant with high corrosion resistance, preparation process and application of sealant | |
| CN102899642B (en) | Method for improving corrosion resistance of nickel-phosphorus chemical coating | |
| CN117186710A (en) | Self-repairing anti-corrosion composite coating and preparation method thereof | |
| CN104164685A (en) | Method for plating nickel on steel plate | |
| CN106783134A (en) | A kind of surface is coated with the preparation method of the viscose glue magnet assembly of protective coating | |
| CN107058992B (en) | A kind of coating and application method preparing composite coating for cast aluminium alloy gold surface | |
| CN102312229B (en) | Method for sealing pores of ceramic spraying layer on steel surface by chemical plating Ni-P alloy layer | |
| CN104164684A (en) | Method for plating nickel on surface of oxygen-free copper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170221 Address after: College of mechanical engineering Hebei University of Engineering No. 199 South Street, Hanshan District bright 056038 Hebei province Handan City Applicant after: Hebei University of Engineering Address before: College of mechanical engineering Hebei University of Engineering No. 199 South Street, Hanshan District bright 056038 Hebei province Handan City Applicant before: Li Li |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |