CN107904536A - Sealant-free molten zinc-aluminum corrosion resistant coating material and preparation method thereof - Google Patents
Sealant-free molten zinc-aluminum corrosion resistant coating material and preparation method thereof Download PDFInfo
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- CN107904536A CN107904536A CN201711124170.0A CN201711124170A CN107904536A CN 107904536 A CN107904536 A CN 107904536A CN 201711124170 A CN201711124170 A CN 201711124170A CN 107904536 A CN107904536 A CN 107904536A
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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
- C23C4/04—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/126—Detonation spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
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- 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 sealant-free molten zinc-aluminum corrosion resistant coating material and a preparation method thereof, wherein the material comprises the following components in parts by weight: adding crystal whiskers of the molten zinc erosion resistant material on the surface of the metal ceramic thermal spraying powder, so that the crystal whiskers of the molten zinc erosion resistant material exist on the surface of the flattened thermal spraying particles after spraying. On one hand, the coating material enables a layer of molten zinc corrosion resistant material to be attached to the surface of a pore formed by the coating, so that the wettability of molten zinc-aluminum or molten aluminum-zinc to the coating is reduced, and the corrosion of molten metal liquid to the coating along the pore of the coating is reduced; on the other hand, the whisker reinforcement is realized among the well-overlapped flattened particles, and the strength and the thermal shock resistance of the coating are improved.
Description
Technical field
The present invention relates to corrosion resistant coating field of material preparation, more particularly to a kind of zinc-aluminium of resistance to melting corrosion for exempting from hole sealing agent to apply
Layer material and preparation method thereof.
Background technology
Hot Galvanizing Technology is the most economical effective method for preventing steel material from corroding in natural environment, at galvanizing
The steel component of reason suffers from excellent corrosion resistance in the corrosive environments such as air, seawater, soil.At present, the band of iron and steel enterprise
For steel hot-dip unit mostly using sinking roller arrangement, the sinking roller being immersed in completely in fused zinc aluminum melt is subject to zinc liquid strong
Corrosion, directly affects the surface quality of galvanized steel plain sheet, while can reduce the production efficiency of enterprise, increase production cost.Utilize heat
It is the most common way of current steel industry that spraying technology prepares metal ceramic wear-resisting anti-corrosion coating in sinking roller surface, is existed at present
It is WC-12Co and WC-WB-Co etc. to plate barrier material in zinc-aluminium fluid, can be prevented in aluminum-zinc alloy liquid using MoB-CoCr
Shield, adopts the technology that supersonic flame spraying.
Some researches show that molten liquid zinc penetrates into coating by the hole of metal-cermic coating first, and is applied with cermet
Binder Phase metal (such as cobalt, cobalt chromium) effect in layer, makes the hard phase (such as tungsten carbide) in cermet lose Binder Phase and become
Spin off into tiny particle from coating.Therefore the porosity for reducing coating is to improve metal-cermic coating corrosion resistance
Effective ways.The porosity of coating is industrially reduced frequently with hole sealing agent.But the hole sealing agent for being currently used for sinking roller surface has
Certain toxicity, and hole sealing agent is only effective to surface, it is difficult to continue after preventing zinc-aluminium fluid or aluminium zinc liquid destruction outermost layer to coating
Internal penetration.The generation of hot-spraying coating hole is related to coating forming procedure.Hot-spraying coating by flattening hot spraying powder
End accumulation forms, and the flattening hot spray powder not being superimposed completely retains forms hole in the coating.Due to hot-spraying technique
Itself the characteristics of, it is difficult to ensure that all flattening powder are all superimposed completely, therefore the heat prepared under current process conditions
Hole is certainly existed in spray-on coating.
The content of the invention
Based on the problems of prior art, the object of the present invention is to provide a kind of zinc-aluminium of resistance to melting for exempting from hole sealing agent is rotten
Erosion resisting coating material and preparation method thereof, can be used for supersonic speed or detonation flame spraying prepares resisting corrosion of molten zinc coating, no longer using sealing of hole
Agent meets requirement, and solving current sinking roller surface abrasion resistance corrosion-resistant finishes hole sealing agent has certain toxicity, and sealing of hole effect is only
The problem of limiting coating surface.
The purpose of the present invention is what is be achieved through the following technical solutions：
Embodiment of the present invention provides a kind of zinc-aluminium of resistance to melting corrosion resistant coating material for exempting from hole sealing agent, including：
The whisker of refractory zinc erosion material is added on the surface of cermet hot spray powder, makes the heat of flattening after spraying
Whisker of the sprayed particle surface there are refractory zinc erosion material.
Embodiment of the present invention provides a kind of preparation method for the zinc-aluminium of the resistance to melting corrosion resistant coating material for exempting from hole sealing agent, is used for
Coating material of the present invention is prepared, is comprised the following steps：
Step 1：To prepare the material of metal ceramic powder and the whisker of refractory zinc erosion material as raw material, wherein described resistance to
The whisker of molten zinc erosion material accounts for the 0.5~2% of raw material gross weight, remaining is the raw material for preparing the metal ceramic powder；
Step 2：Deionized water is added in the raw material of above-mentioned steps 1 and is made wet grinding media, addition account for raw material gross weight 1~
When ball milling 12~48 is small, mixed slurry is made as binding agent in 6% polyvinyl alcohol or macrogol；
Step 3：Agglomerated particle is made in mixed slurry made from above-mentioned steps 2 after spray drying；Wherein, centrifugation spray
The inlet temperature of mist drying equipment is 200~240 DEG C, and outlet temperature is 110~150 DEG C, atomization disk rotating speed for 5000~
20000r/min, feeding amount are 100~400ml/min；
Step 4：Obtained agglomerated particle is sintered to obtain powder after above-mentioned steps 3 are spray-dried, and powder is placed in
Heated in vacuum degumming stove, sintering temperature is 1210~1350 DEG C, when insulation 2 is small after come out of the stove with being furnace-cooled to less than 100 DEG C；
Step 5：The powder for being adapted to spraying is obtained after above-mentioned steps 4 are come out of the stove after the sieve classification of powder, as exempts from sealing of hole
The zinc-aluminium of the resistance to melting corrosion resistant coating material of agent.
As seen from the above technical solution provided by the invention, the resistance to melting provided in an embodiment of the present invention for exempting from hole sealing agent
Zinc-aluminium corrosion resistant coating material and preparation method thereof, its advantage is：
The non-wetted material of zinc, the surface after powder flattening are melted to liquid by adding one layer on hot spray powder surface
The non-wetted material of zinc is melted to liquid there are a certain amount of, so can effectively reduce molten liquid zinc along hole scattering and permeating.This
Invention makes the heat of flattening after spraying by adding the whisker of refractory zinc erosion material on the surface of cermet hot spray powder
Sprayed particle surface is there are the whisker of refractory zinc erosion material, which is used for supersonic speed or detonation flame spraying prepares resisting corrosion of molten zinc
Coating, no longer can meet requirement using hole sealing agent.The whisker of refractory zinc erosion material includes：Aluminium borate whisker, nitridation
Boron whisker, crystal whisker of hexa potassium titanate etc..
Embodiment
With reference to the particular content of the present invention, the technical solution in the embodiment of the present invention is clearly and completely retouched
State, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the present invention
Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work,
Belong to protection scope of the present invention.The content not being described in detail in the embodiment of the present invention belongs to professional and technical personnel in the field
The known prior art.
The embodiment of the present invention provides a kind of zinc-aluminium of resistance to melting corrosion resistant coating material for exempting from hole sealing agent, including：
The whisker of refractory zinc erosion material is added on the surface of cermet hot spray powder, makes the heat of flattening after spraying
Whisker of the sprayed particle surface there are refractory zinc erosion material.
In above-mentioned coating material, the mass percentage of the whisker of the refractory zinc erosion material is 0.5~2%, remaining
For cermet hot spray powder.
In above-mentioned coating material, the whisker of refractory zinc erosion material includes：Aluminium borate whisker, boron nitride crystal whisker, six metatitanic acids
Any of potassium whisker.It is preferred that use aluminium borate whisker.
In above-mentioned coating material, the dimensions length of the whisker of refractory zinc erosion material is 3~20 μm, and a diameter of 0.5~3 is micro-
Rice.
In above-mentioned coating material, cermet hot spray powder is：WC-12Co hot spray powders, WC-WB-Co thermal sprayings
Any of powder, WC-WB-CoCr hot spray powders, MoB-CoCr hot spray powders.
The embodiment of the present invention provides a kind of preparation method for the zinc-aluminium of the resistance to melting corrosion resistant coating material for exempting from hole sealing agent, for making
Standby coating material of the present invention, comprises the following steps：
Step 1：To prepare the material of metal ceramic powder and the whisker of refractory zinc erosion material as raw material, wherein described resistance to
The whisker of molten zinc erosion material accounts for the 0.5~2% of raw material gross weight, remaining is the raw material for preparing the metal ceramic powder；
Step 2：Deionized water is added in the raw material of above-mentioned steps 1 and is made wet grinding media, addition account for raw material gross weight 1~
When ball milling 12~48 is small, mixed slurry is made as binding agent in 6% polyvinyl alcohol or macrogol；
Step 3：Agglomerated particle is made in mixed slurry made from above-mentioned steps 2 after spray drying；Wherein, centrifugation spray
The inlet temperature of mist drying equipment is 200~240 DEG C, and outlet temperature is 110~150 DEG C, atomization disk rotating speed for 5000~
20000r/min, feeding amount are 100~400ml/min；
Step 4：Obtained agglomerated particle is sintered to obtain powder after above-mentioned steps 3 are spray-dried, and powder is placed in
Heated in vacuum degumming stove, sintering temperature is 1210~1350 DEG C, when insulation 2 is small after come out of the stove with being furnace-cooled to less than 100 DEG C；
Step 5：The powder for being adapted to spraying is obtained after above-mentioned steps 4 are come out of the stove after the sieve classification of powder, as exempts from sealing of hole
The zinc-aluminium of the resistance to melting corrosion resistant coating material of agent.
In the above method, the material for preparing metal ceramic powder is：
The material of WC-12Co hot spray powders is prepared, material used in WC-WB-Co hot spray powders is prepared, prepares WC-
Material used in WB-CoCr hot spray powders, prepare any group in material used in MoB-CoCr hot spray powders；
The whisker of the refractory zinc erosion material uses：Appointing in aluminium borate whisker, boron nitride crystal whisker, crystal whisker of hexa potassium titanate
It is a kind of.
The corrosion resistant coating material of the present invention, on the one hand so that the pore surface that coating is formed adheres to one layer of boride, reduces
The wetability of zinc-aluminium or molten aluminum zinc to coating is melted, reduces molten metal bath along coating porosity corrosion resistant coating；On the other hand it is folded
Adding realizes whisker reinforcing between good flattening particle, improves the intensity and thermal shock resistance of coating.The powder is used for
Supersonic speed or detonation flame spraying prepare resisting corrosion of molten zinc coating, no longer meet requirement using hole sealing agent.
The embodiment of the present invention is specifically described in further detail below.
The present embodiment prepares a kind of metal-cermic spraying dusty material for exempting from hole sealing agent, which is used for supersonic speed or explosion
Spraying prepares resisting corrosion of molten zinc coating, no longer can meet requirement using hole sealing agent.
Embodiment one
The embodiment of the present invention provides a kind of preparation method for the zinc-aluminium of the resistance to melting corrosion resistant coating material for exempting from hole sealing agent, preparation
Metal ceramic powder is WC-12Co hot spray powders, is comprised the following steps：
1) WC powder 87kg, aluminium borate whisker 1kg are taken, 1~3 μm of cobalt powder 12kg, WC Powder Particle Size, aluminium borate whisker is a diameter of
0.5~1 μm, length is 3~8 μm, and cobalt powder granularity is 1.5 μm；
2) deionized water is added in above-mentioned raw materials and wet grinding media is made, add polyvinyl alcohol 2kg as binding agent, ball milling
24 it is small when, be made mixed slurry；
3) agglomerated particle is made in above-mentioned mixed slurry after spray drying；Wherein, Frequency Conversion Technique of Centrifugal Spraying Drying Equipment into
Mouth temperature is 220 DEG C, and outlet temperature is 110 DEG C, is atomized disk rotating speed 10000r/min, feeding amount 200ml/min；
4) powder after spray drying is sintered, powder is placed in vacuum degumming stove and is heated, sintering temperature 1245
DEG C, when insulation 2 is small after come out of the stove with being furnace-cooled to less than 100 DEG C；
5) powder for being adapted to spraying is obtained after sieve classification, as exempts from the zinc-aluminium of the resistance to melting corrosion resistant coating material of hole sealing agent.
Embodiment two
The embodiment of the present invention provides a kind of preparation method for the zinc-aluminium of the resistance to melting corrosion resistant coating material for exempting from hole sealing agent, preparation
Metal ceramic powder is WC-WB-Co hot spray powders, is comprised the following steps：
1) it is 1~3 μm to take WC powder 59.5kg, WB powder 29.5kg, aluminium borate whisker 1kg, cobalt powder 10kg, WC Powder Particle Size, WB
Powder Particle Size is 1~5 μm, a diameter of 1~2 μm of aluminium borate whisker, and length is 5~15 μm, and cobalt powder granularity is 1.5 μm；
2) deionized water is added in above-mentioned raw materials and is made wet grinding media, add macrogol 2.4kg as binding agent,
When ball milling 30 is small, mixed slurry is made；
3) agglomerated particle is made in above-mentioned mixed slurry after spray drying；Wherein, Frequency Conversion Technique of Centrifugal Spraying Drying Equipment into
Mouth temperature is 220 DEG C, and outlet temperature is 110 DEG C, is atomized disk rotating speed 12000r/min, feeding amount 240ml/min；
4) powder after spray drying is sintered, powder is placed in vacuum degumming stove and is heated, sintering temperature 1265
DEG C, when insulation 3 is small after come out of the stove with being furnace-cooled to less than 100 DEG C；
5) powder for being adapted to spraying is obtained after sieve classification, as exempts from the zinc-aluminium of the resistance to melting corrosion resistant coating material of hole sealing agent.
The same or like boron nitride crystal whisker of the replaceable diameter of aluminium borate whisker in the present embodiment, length, potassium hexatitanate
Any of whisker.
Embodiment three
The embodiment of the present invention provides a kind of preparation method for the zinc-aluminium of the resistance to melting corrosion resistant coating material for exempting from hole sealing agent, preparation
Metal ceramic powder is WC-WB-CoCr hot spray powders, is comprised the following steps：
1) take WC powder 59.5kg, WB powder 29.5kg, aluminium borate whisker 1kg, cobalt powder 5kg, chromium powder 5kg, WC Powder Particle Size for 1~
3 μm, WB Powder Particle Sizes are 1~5 μm, a diameter of 1~2 μm of aluminium borate whisker, and length is 5~15 μm, and cobalt powder granularity is 1.5 μm, chromium
Powder Particle Size is 3 μm；
2) deionized water is added in above-mentioned raw materials and is made wet grinding media, add macrogol 2.4kg as binding agent,
When ball milling 30 is small, mixed slurry is made；
3) agglomerated particle is made in above-mentioned mixed slurry after spray drying；Wherein, Frequency Conversion Technique of Centrifugal Spraying Drying Equipment into
Mouth temperature is 220 DEG C, and outlet temperature is 110 DEG C, is atomized disk rotating speed 12000r/min, feeding amount 240ml/min；
4) powder after spray drying is sintered, powder is placed in vacuum degumming stove and is heated, sintering temperature 1265
DEG C, when insulation 3 is small after come out of the stove with being furnace-cooled to less than 100 DEG C；
5) powder for being adapted to spraying is obtained after sieve classification, as exempts from the zinc-aluminium of the resistance to melting corrosion resistant coating material of hole sealing agent.
The same or like boron nitride crystal whisker of the replaceable diameter of aluminium borate whisker in the present embodiment, length, potassium hexatitanate
Any of whisker.
Example IV
The embodiment of the present invention provides a kind of preparation method for the zinc-aluminium of the resistance to melting corrosion resistant coating material for exempting from hole sealing agent, preparation
Metal ceramic powder is MoB-CoCr hot spray powders, is comprised the following steps：
1) MoB powder 55kg, aluminium borate whisker 1kg, cobalt powder 25kg are taken, chromium powder 19kg, MoB Powder Particle Size are 1~3 μm, boric acid
A diameter of 1~2 μm of al whisker, length are 5~15 μm, and cobalt powder granularity is 1.5 μm, chromium powder granularity is 3 μm；
2) deionized water is added in above-mentioned raw materials and wet grinding media is made, add polyvinyl alcohol 4kg as binding agent, ball milling
24 it is small when, be made mixed slurry；
3) agglomerated particle is made in above-mentioned mixed slurry after spray drying；Wherein, Frequency Conversion Technique of Centrifugal Spraying Drying Equipment into
Mouth temperature is 240 DEG C, and outlet temperature is 120 DEG C, is atomized disk rotating speed 18000r/min, feeding amount 350ml/min；
4) powder after spray drying is sintered, powder is placed in vacuum degumming stove and is heated, sintering temperature 1245
DEG C, when insulation 3 is small after come out of the stove with being furnace-cooled to less than 100 DEG C；
5) powder for being adapted to spraying is obtained after sieve classification, as exempts from the zinc-aluminium of the resistance to melting corrosion resistant coating material of hole sealing agent.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can readily occur in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (7)
- A kind of 1. zinc-aluminium of resistance to melting corrosion resistant coating material for exempting from hole sealing agent, it is characterised in that including：In the whisker of the surface of cermet hot spray powder addition refractory zinc erosion material, make the thermal spraying of flattening after spraying Whisker of the particle surface there are refractory zinc erosion material.
- 2. a kind of zinc-aluminium of resistance to melting corrosion resistant coating material for exempting from hole sealing agent according to claim 1, it is characterised in that described In coating material,The mass percentage of the whisker of the refractory zinc erosion material is 0.5~2%, remaining is cermet hot spraying powder End.
- 3. a kind of zinc-aluminium of resistance to melting corrosion resistant coating material for exempting from hole sealing agent according to claim 1, it is characterised in that described The whisker of refractory zinc erosion material includes：Any of aluminium borate whisker, boron nitride crystal whisker, crystal whisker of hexa potassium titanate.
- 4. a kind of zinc-aluminium of resistance to melting corrosion resistant coating material for exempting from hole sealing agent according to any one of claims 1 to 3, its feature It is, the dimensions length of the whisker of the refractory zinc erosion material is 3~20 μm, a diameter of 0.5~3 micron.
- 5. a kind of zinc-aluminium of resistance to melting corrosion resistant coating material for exempting from hole sealing agent according to any one of claims 1 to 3, its feature It is, the cermet hot spray powder is：WC-12Co hot spray powders, WC-WB-Co hot spray powders, WC-WB-CoCr Any of hot spray powder, MoB-CoCr hot spray powders.
- 6. a kind of preparation method for the zinc-aluminium of the resistance to melting corrosion resistant coating material for exempting from hole sealing agent, it is characterised in that be used to prepare right It is required that 1 to 5 any one of them coating material, comprises the following steps：Step 1：To prepare the material of metal ceramic powder and the whisker of refractory zinc erosion material as raw material, wherein the refractory zinc The whisker of erosion material accounts for the 0.5~2% of raw material gross weight, remaining is the raw material for preparing the metal ceramic powder；Step 2：Deionized water is added in the raw material of above-mentioned steps 1 wet grinding media is made, addition accounts for raw material gross weight 1~6% Polyvinyl alcohol or macrogol as binding agent, when ball milling 12~48 is small, mixed slurry is made；Step 3：Agglomerated particle is made in mixed slurry made from above-mentioned steps 2 after spray drying；Wherein, centrifugal spray dryer The inlet temperature of dry equipment is 200~240 DEG C, and outlet temperature is 110~150 DEG C, and atomization disk rotating speed is 5000~20000r/ Min, feeding amount are 100~400ml/min；Step 4：Obtained agglomerated particle is sintered to obtain powder after above-mentioned steps 3 are spray-dried, and powder is placed in vacuum Heated in degumming stove, sintering temperature is 1210~1350 DEG C, when insulation 2 is small after come out of the stove with being furnace-cooled to less than 100 DEG C；Step 5：The powder for being adapted to spraying is obtained after above-mentioned steps 4 are come out of the stove after the sieve classification of powder, as exempts from hole sealing agent Resistance to melting zinc-aluminium corrosion resistant coating material.
- 7. a kind of preparation method of the zinc-aluminium of resistance to melting corrosion resistant coating material for exempting from hole sealing agent according to claim 6, it is special Sign is, it is described prepare metal ceramic powder material be：The material of WC-12Co hot spray powders is prepared, material used in WC-WB-Co hot spray powders is prepared, prepares WC-WB- Material used in CoCr hot spray powders, prepare any group in material used in MoB-CoCr hot spray powders；The whisker of the refractory zinc erosion material uses：Any in aluminium borate whisker, boron nitride crystal whisker, crystal whisker of hexa potassium titanate Kind.
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| CN201711124170.0A CN107904536B (en) | 2017-11-14 | 2017-11-14 | Sealant-free molten zinc-aluminum corrosion resistant coating material and preparation method thereof |
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Cited By (2)
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|---|---|---|---|---|
| CN115255355A (en) * | 2022-07-22 | 2022-11-01 | 株洲托普硬质合金材料有限公司 | Preparation method of high-wear-resistance thermal spraying powder |
| CN117265458A (en) * | 2023-11-13 | 2023-12-22 | 成都成高阀门股份有限公司 | Ceramic whisker reinforced high-toughness supersonic flame spraying coating material and preparation method thereof |
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| 李静等: ""晶须强化等离子喷涂涂层中的熔滴扁平化及晶须偏转行为的模拟"", 《表面技术》 * |
| 林惠令等: ""钦酸钾晶须复合材料在热喷涂技术中的应用"", 《热喷涂技术》 * |
| 贾成科等: ""硼化物陶瓷基涂层制备技术的研究进展"", 《热喷涂技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255355A (en) * | 2022-07-22 | 2022-11-01 | 株洲托普硬质合金材料有限公司 | Preparation method of high-wear-resistance thermal spraying powder |
| CN117265458A (en) * | 2023-11-13 | 2023-12-22 | 成都成高阀门股份有限公司 | Ceramic whisker reinforced high-toughness supersonic flame spraying coating material and preparation method thereof |
| CN117265458B (en) * | 2023-11-13 | 2024-01-23 | 成都成高阀门股份有限公司 | Ceramic whisker reinforced high-toughness supersonic flame spraying coating material and preparation method thereof |
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| CN107904536B (en) | 2020-01-07 |
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