CN109987940A - Silicon carbide ceramics coating material and its application - Google Patents
Silicon carbide ceramics coating material and its application Download PDFInfo
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- CN109987940A CN109987940A CN201910370607.1A CN201910370607A CN109987940A CN 109987940 A CN109987940 A CN 109987940A CN 201910370607 A CN201910370607 A CN 201910370607A CN 109987940 A CN109987940 A CN 109987940A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62222—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic coatings
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
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- Inorganic Chemistry (AREA)
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Abstract
Of the invention to be related to a kind of silicon carbide ceramics coating material and its application, the coating material includes: silicon carbide and ceramic primary coat, and the weight ratio of the silicon carbide and the ceramic primary coat is (5~7): 1.Silicon carbide ceramics coating material of the invention, can repair the pump component for being abraded corrosion, can assign the superpower erosion resistant of piece surface, corrosion-resistant, specific function resistant to high temperature.The metal material of abrasion of making to be corroded has obtained the reparation of simple and effective high quality, low cost, and silicon carbide ceramics coating material of the invention not will cause soil property and deteriorate and heavy metal ion pollution, will not influence environment.
Description
Technical field
The invention belongs to coating technology fields, and in particular to a kind of silicon carbide ceramics coating material and its application.
Background technique
Currently, slurries made of the assembling fittings made of Wear-resistant anticorrosive metal material generally used in the market pump, because
The material that is conveyed of pump of each scene station is strong basicity highly acid or stronger to the corrosivity abrasion of metal material
Material causes the service life of equipment shorter.The cost that is often spent when more renewing part and it is artificial costly.
Summary of the invention
An object of the present invention is to provide a kind of silicon carbide ceramics coating materials.
A kind of silicon carbide ceramics coating material of the invention, comprising: silicon carbide and ceramic primary coat, the silicon carbide and described
The weight ratio of ceramic primary coat is (5~7): 1.
Silicon carbide ceramics coating material of the invention, can repair the pump component for being abraded corrosion, can assign piece surface
Superpower erosion resistant, corrosion-resistant, specific function resistant to high temperature.Making to be corroded, to have obtained simple and effective high-quality for the metal material of abrasion
The reparation of amount, low cost: mechanical part is (big because that can be repaired at any time by silicon carbide ceramics coating material after corrosion abrasion damage
Reduce the production time because damaging needed to change component greatly), the silicon carbide ceramics coating material can increase that metal parts is anti-to break
Split, toughness it is strong, can effectively prevent denuding damage caused by it through excessive erosion, during reducing each serial machine tooling
Existing artificial, electric power consumption can also reduce or remit machining and the power consumption generated therefrom, lathe loss, people
Work consumption, the logistics of major mechanical component consumption, silicon carbide ceramics coating material of the invention are mixing material modulation, process
Less, it is easy easily on, belong to inorganic non-metallic material, main component is that silicate and aluminium oxide and earth rock composition of layer are close, no
It will cause soil property deterioration and heavy metal ion pollution, will not influence environment.
In addition, the silicon carbide ceramics coating material that the present invention is above-mentioned, can also have the following additional technical features:
As a preferred embodiment of the present invention, the ceramic primary coat is by nano ceramics and macromolecule resin according to weight ratio
For 100:(1~4) composition.
As a preferred embodiment of the present invention, the macromolecule resin is at least polypropylene, polycarbonate, polyethers ether
Ketone, polyether sulfone, unsaturated polyester (UP), vinyl esters, epoxy resin, phenolic resin, bimaleimide resin and polyimides tree
One of rouge.
As a preferred embodiment of the present invention, the macromolecule resin be polycarbonate, polyether-ether-ketone, vinyl esters,
Epoxy resin, phenolic resin and polyimide resin are 1:(1~1.4 according to weight ratio): (0.8~1.2): (0.6~1):
(0.4~0.6): (1.2~1.6) mixing.
As a preferred embodiment of the present invention, the macromolecule resin be polycarbonate, polyether-ether-ketone, vinyl esters,
Epoxy resin, phenolic resin and polyimide resin are 1:1:1.2:0.6:0.6:1.2 mixing according to weight ratio.
As a preferred embodiment of the present invention, the macromolecule resin be polycarbonate, polyether-ether-ketone, vinyl esters,
Epoxy resin, phenolic resin and polyimide resin are 1:1.2:1:0.8:0.5:1.4 mixing according to weight ratio.
It is another object of the present invention to the applications for proposing the silicon carbide ceramics coating material.
The application of the silicon carbide ceramics coating material, includes the following steps: S101: treating place using angle grinder first
Reason position carries out polishing and sandblasting, then clears up；S102: step S101 is coated on after the silicon carbide and ceramic primary coat are mixed
Solidified behind processed position.
Further, coating with a thickness of 0.5mm~2mm.
Further, the time of coating is within 40min.
Further, in the step S102, when solidification temperature is 23 DEG C~28 DEG C, heat preservation solidification 22h~26h；
When solidification temperature is less than 15 DEG C, primary solidification 22h~26h first, be then heated to 78 DEG C~82 DEG C and keep the temperature 1.8h~
2.2h。
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiment is exemplary, it is intended to it is used to explain the present invention, and
It is not considered as limiting the invention.
Embodiment 1
Embodiment 1 proposes a kind of silicon carbide ceramics coating material, comprising: silicon carbide and ceramic primary coat, the silicon carbide
Weight ratio with the ceramic primary coat is 6:1.
Silicon carbide is that a kind of elevated temperature strength is high, corrosion-resistant abrasion is good, the inorganic non-gold that hardness is high and chemical stability is good
Belong to material.Ceramic primary coat is a kind of painting being mainly made of nano ceramics (partial size is in 1nm~900nm) and macromolecule resin material
Layer material can be used and be solidified under room temperature, can enhanced the bonding force with metal, ceramics, substrate, be mainly used for little particle carbon
SiClx product is constructed using preceding primary coat.
The application of the silicon carbide ceramics coating material of embodiment 1, includes the following steps:
(1) treatment site is treated using angle grinder first and carries out polishing and sandblasting, then cleared up.
(2) solidify after being coated on step (1) processed position after mixing the silicon carbide and ceramic primary coat, Gu
When change temperature is 23 DEG C, heat preservation solidification 26h.Wherein, coating with a thickness of 0.5mm, the time of coating is within 40min.
Embodiment 2
Embodiment 2 proposes a kind of silicon carbide ceramics coating material, comprising: silicon carbide and ceramic primary coat, the silicon carbide
Weight ratio with the ceramic primary coat is 5:1.The ceramics primary coat by nano ceramics and macromolecule resin is according to weight ratio
100:1 composition.The macromolecule resin is phenolic resin.
Silicon carbide is that a kind of elevated temperature strength is high, corrosion-resistant abrasion is good, the inorganic non-gold that hardness is high and chemical stability is good
Belong to material.Ceramic primary coat is a kind of painting being mainly made of nano ceramics (partial size is in 1nm~900nm) and macromolecule resin material
Layer material can be used and be solidified under room temperature, can enhanced the bonding force with metal, ceramics, substrate, be mainly used for little particle carbon
SiClx product is constructed using preceding primary coat.
The application of the silicon carbide ceramics coating material of embodiment 2, includes the following steps:
(1) treatment site is treated using angle grinder first and carries out polishing and sandblasting, then cleared up.
(2) solidify after being coated on step (1) processed position after mixing the silicon carbide and ceramic primary coat, Gu
When change temperature is 28 DEG C, heat preservation solidification 22h.Wherein, coating with a thickness of 2mm, the time of coating is within 40min.
Embodiment 3
Embodiment 3 proposes a kind of silicon carbide ceramics coating material, comprising: silicon carbide and ceramic primary coat, the silicon carbide
Weight ratio with the ceramic primary coat is 7:1.The ceramics primary coat is 25 according to weight ratio by nano ceramics and macromolecule resin:
1 composition.The macromolecule resin is polypropylene.
Silicon carbide is that a kind of elevated temperature strength is high, corrosion-resistant abrasion is good, the inorganic non-gold that hardness is high and chemical stability is good
Belong to material.Ceramic primary coat is a kind of painting being mainly made of nano ceramics (partial size is in 1nm~900nm) and macromolecule resin material
Layer material can be used and be solidified under room temperature, can enhanced the bonding force with metal, ceramics, substrate, be mainly used for little particle carbon
SiClx product is constructed using preceding primary coat.
The application of the silicon carbide ceramics coating material of embodiment 3, includes the following steps:
(1) treatment site is treated using angle grinder first and carries out polishing and sandblasting, then cleared up.
(2) solidify after being coated on step (1) processed position after mixing the silicon carbide and ceramic primary coat,
Primary solidification for 24 hours, is then heated to 80 DEG C and keeps the temperature 2h at a temperature of 13 DEG C.Wherein, coating with a thickness of 1.5mm, coating when
Between within 40min.
Embodiment 4
Embodiment 4 proposes a kind of silicon carbide ceramics coating material, comprising: silicon carbide and ceramic primary coat, the silicon carbide
Weight ratio with the ceramic primary coat is 6:1.The ceramics primary coat is 50 according to weight ratio by nano ceramics and macromolecule resin:
1 composition.The macromolecule resin is that polypropylene, polycarbonate, polyether-ether-ketone and polyether sulfone are mixed according to weight ratio 1:1:1:1.
Silicon carbide is that a kind of elevated temperature strength is high, corrosion-resistant abrasion is good, the inorganic non-gold that hardness is high and chemical stability is good
Belong to material.Ceramic primary coat is a kind of painting being mainly made of nano ceramics (partial size is in 1nm~900nm) and macromolecule resin material
Layer material can be used and be solidified under room temperature, can enhanced the bonding force with metal, ceramics, substrate, be mainly used for little particle carbon
SiClx product is constructed using preceding primary coat.
The application of the silicon carbide ceramics coating material of embodiment 4, includes the following steps:
(1) treatment site is treated using angle grinder first and carries out polishing and sandblasting, then cleared up.
(2) solidify after being coated on step (1) processed position after mixing the silicon carbide and ceramic primary coat, it is first
First primary solidification 26h at a temperature of 10 DEG C, is then heated to 82 DEG C and keeps the temperature 1.8h.Wherein, coating with a thickness of 1mm, coating
Time within 40min.
Embodiment 5
Embodiment 5 proposes a kind of silicon carbide ceramics coating material, comprising: silicon carbide and ceramic primary coat, the silicon carbide
Weight ratio with the ceramic primary coat is 7:1.The ceramics primary coat by nano ceramics and macromolecule resin is according to weight ratio
100:3 composition.The macromolecule resin is that vinyl esters, epoxy resin, phenolic resin, bimaleimide resin and polyamides are sub-
Polyimide resin is mixed according to weight ratio 1:1:1:1:1.
Silicon carbide is that a kind of elevated temperature strength is high, corrosion-resistant abrasion is good, the inorganic non-gold that hardness is high and chemical stability is good
Belong to material.Ceramic primary coat is a kind of painting being mainly made of nano ceramics (partial size is in 1nm~900nm) and macromolecule resin material
Layer material can be used and be solidified under room temperature, can enhanced the bonding force with metal, ceramics, substrate, be mainly used for little particle carbon
SiClx product is constructed using preceding primary coat.
The application of the silicon carbide ceramics coating material of embodiment 5, includes the following steps:
(1) treatment site is treated using angle grinder first and carries out polishing and sandblasting, then cleared up.
(2) solidify after being coated on step (1) processed position after mixing the silicon carbide and ceramic primary coat, it is first
First primary solidification 26h at a temperature of 5 DEG C, is then heated to 78 DEG C and keeps the temperature 2.2h.Wherein, coating with a thickness of 1.8mm, coating
Time within 40min.
Embodiment 6
Embodiment 6 proposes a kind of silicon carbide ceramics coating material, comprising: silicon carbide and ceramic primary coat, the silicon carbide
Weight ratio with the ceramic primary coat is 5:1.The ceramics primary coat is 25 according to weight ratio by nano ceramics and macromolecule resin:
1 composition.The macromolecule resin is polycarbonate, polyether-ether-ketone, vinyl esters, epoxy resin, phenolic resin and polyimides
Resin is 1:1:1.2:0.6:0.6:1.2 mixing according to weight ratio.
Silicon carbide is that a kind of elevated temperature strength is high, corrosion-resistant abrasion is good, the inorganic non-gold that hardness is high and chemical stability is good
Belong to material.Ceramic primary coat is a kind of painting being mainly made of nano ceramics (partial size is in 1nm~900nm) and macromolecule resin material
Layer material can be used and be solidified under room temperature, can enhanced the bonding force with metal, ceramics, substrate, be mainly used for little particle carbon
SiClx product is constructed using preceding primary coat.
The application of the silicon carbide ceramics coating material of embodiment 6, includes the following steps:
(1) treatment site is treated using angle grinder first and carries out polishing and sandblasting, then cleared up.
(2) solidify after being coated on step (1) processed position after mixing the silicon carbide and ceramic primary coat, it is first
First primary solidification 26h at a temperature of 14 DEG C, is then heated to 79 DEG C and keeps the temperature 1.9h.Wherein, coating with a thickness of 0.8mm, apply
The deposited time is within 40min.
Embodiment 7
Embodiment 7 proposes a kind of silicon carbide ceramics coating material, comprising: silicon carbide and ceramic primary coat, the silicon carbide
Weight ratio with the ceramic primary coat is 6:1.The ceramics primary coat by nano ceramics and macromolecule resin is according to weight ratio
100:1 composition.The macromolecule resin is polycarbonate, polyether-ether-ketone, vinyl esters, epoxy resin, phenolic resin and polyamides
Imide resin is 1:1.2:1:0.8:0.5:1.4 mixing according to weight ratio.
Silicon carbide is that a kind of elevated temperature strength is high, corrosion-resistant abrasion is good, the inorganic non-gold that hardness is high and chemical stability is good
Belong to material.Ceramic primary coat is a kind of painting being mainly made of nano ceramics (partial size is in 1nm~900nm) and macromolecule resin material
Layer material can be used and be solidified under room temperature, can enhanced the bonding force with metal, ceramics, substrate, be mainly used for little particle carbon
SiClx product is constructed using preceding primary coat.
The application of the silicon carbide ceramics coating material of embodiment 7, includes the following steps:
(1) treatment site is treated using angle grinder first and carries out polishing and sandblasting, then cleared up.
(2) solidify after being coated on step (1) processed position after mixing the silicon carbide and ceramic primary coat, it is first
First primary solidification 25h at a temperature of 13 DEG C, is then heated to 80 DEG C and keeps the temperature 2h.Wherein, coating with a thickness of 1.5mm, coating
Time within 40min.
The silicon carbide ceramics coating material of embodiment 1- embodiment 7 is coated in coal fired power generation according to its applying step respectively
On the slurry circulating pump pump housing of factory, each embodiment applies 10 slurry circulating pumps, then calculates under identical use condition
Its average service life the results are shown in Table 1.(comparative example does not apply any coating)
The average life of the slurry circulating pump of each embodiment of table 1
| Average life/year | |
| Embodiment 1 | 2.6 |
| Embodiment 2 | 2.8 |
| Embodiment 3 | 2.6 |
| Embodiment 4 | 3.5 |
| Embodiment 5 | 3.2 |
| Embodiment 6 | 4.4 |
| Embodiment 7 | 5.2 |
| Comparative example | 0.8 |
Due to being washed away for a long time by slurries, corrosion, wear the problems such as often will appear, wear, is damaged, causing leakage slurries
The pump housing of pump, impeller, front pump cover, rear pump cover, wearing plate, mechanical seal, sheath, spiral case General Life were at 9 months or so.It is (double
The phase stainless steel material service life wants shorter, and the high-chromium alloy material service life is long).
As can be seen from Table 1, after using the pump housing of silicon carbide ceramics coating material precoating slurry circulating pump of the invention,
Service life greatly prolongs, especially embodiment 6-7, and life longer was to 4.4 years~5.2 years.
The power generation manufacturing process of modernization, due to particularity and complexity that production process and equipment are run, equipment
The generation for the problems such as component is chronically at fullcharging operating status, various " wash away, wear, corroding ", greatly exacerbates equipment
The frequency of maintenance and replacement, increases the plant maintenance and operating cost of enterprise.It can using silicon carbide ceramics coating of the invention
The service life of component is promoted to six times or more for reaching original component, greatly reduces the cost of replacement.
Silicon carbide ceramics coating material of the invention can be used for heat-engine plant desulfurized, steel mill's desulfurization, metal smelt, mining it is defeated
Give, paper pulp papermaking, Effect of Catalysis In Petrochemistry cracking, seawater circulation and desalination aluminium oxide, phosphorous chemical industry, coal chemical industry, medicine, garbage disposal, dirt
The transporting pump equipment that the industrial circles such as water process, waterway dredging, excavating pump, titanium dioxide, cement plant are used is such as: drying zone melt pit
Pump, absorption tower sump pump, limestone slurry liquid pump, absorption tower circulating pump, slurry circulating pump, desulfurization filtrate pump, Lime Milk Transfer Pump,
Desulfurization loaded solvent pump, filters pressing elevator pump, wet electric flushing pump, dedusting pump, slurrying area drain pump, waste-water vortex device feed pump,
Gypsum slurries discharge pump, flood pump, scrubbing tower circulating pump, filtrate pump waste water delivery pump, rhone elevator pump, waste-water vortex device are given
Expect that pump, jet pump, filter feed pump, underflow turn row's pump, calcium hydroxide slurries pump, ore slurry pump, doctor solution medial launder delivery pump, rotation
Turn atomizer waste water pump, dragveyer waste water pump, coal-grinding discharge pond pump, milk of lime pump, lime-ash filter pressing pump, concentrate circulating pump, work
Skill water pump, centrifugal pump, waste water pump, feeding pump, wet-milling circulating pump, concentrator area sump pump, concentrated acid delivery pump, essence, mixed liquor are defeated
Pump, delivery pump, polymerization tail gas one is sent to wash acid discharge pump, washing acid delivery pump, sludge agitation pump, mist eliminator flushing water pump, ore pulp
Lower slot pump, sodium radio-phosphate,P-32 solution pump, concentrated mother liquor pump, phosphoric acid recovery pump, sulphur ammonium discharge pump, ammonia area sump pump, washing tail gas pump, salt
Crystallizer circulating pump, neutralize slip delivery pump, II effect thick slurry feed pump, demister pump, sedimentation sewage pump, dissolution sewage pump, ash
Pulp water emptying pump, acid picking pump, crystallization pump, mother liquor underflow pump, fine grain kind washing shurry pump, fine grain kind separate shurry pump, zinc sulfate
Slurry feeding pump, reuse water pump, neutralizes water pump, middle water pump, tailing Pulp pump, additive feed pump, addition at sludge delivery pump
Agent underground tank pump, flocculant pump, additive feed pump, additive underground tank pump, feeding pump, lock hopper flush water pump, low pressure buck
Pump, coal-grinding water pump, phosphoric acid pump, sanitary sewage delivery pump, nitrification circulating pump, no-load solvent pump, pretreatment Countermeasure of Concentrated Acid Pump, concentrate are collected
Pump, sewage send pump pump head, electrolyte pump outside, except vanadium circulating pump, lye pump, dredge pump, rich amine delivery pump, collection liquid pump, oil slick are defeated
Send pump, grass are sweet rise hot mother liquor pump, lean solution efflux pump, axial-flow pump, vertical-type axial-flow pump, nitrification circulating pump, low level sudden strain of a muscle SAPMAC method pump, turn
Change axial-flow pump, extraction axial-flow pump, low level and flashes circulating pump.
To sum up, silicon carbide ceramics coating material of the invention, can repair the pump component for being abraded corrosion, can assign part
The superpower erosion resistant in surface, corrosion-resistant, specific function resistant to high temperature.The metal material of abrasion of making to be corroded has obtained simple and effective
The reparation of high quality, low cost: mechanical part because that can be repaired at any time after corrosion abrasion damage by silicon carbide ceramics coating material
Multiple (greatly reducing the production time because damaging needed to change component), the silicon carbide ceramics coating material can increase metal parts
Resisting fractre, toughness are strong, can effectively prevent denuding damage caused by it through excessive erosion, reduce the mistake of each serial machine tooling
Artificial, electric power consumption present in journey can also reduce or remit machining and the power consumption generated therefrom, lathe damage
Consumption, manpower consumption, the logistics of major mechanical component consumption, silicon carbide ceramics coating material of the invention are mixing material modulation,
Process is few, it is easy easily on, belong to inorganic non-metallic material, main component is silicate and aluminium oxide and earth rock composition of layer phase
Closely, soil property deterioration and heavy metal ion pollution not will cause, will not influence environment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of silicon carbide ceramics coating material characterized by comprising silicon carbide and ceramic primary coat, the silicon carbide and institute
The weight ratio for stating ceramic primary coat is (5~7): 1.
2. silicon carbide ceramics coating material according to claim 1, which is characterized in that the ceramics primary coat is by nano ceramics
With macromolecule resin according to weight ratio be 100:(1~4) composition.
3. silicon carbide ceramics coating material according to claim 2, which is characterized in that the macromolecule resin is at least poly-
Propylene, polycarbonate, polyether-ether-ketone, polyether sulfone, unsaturated polyester (UP), vinyl esters, epoxy resin, phenolic resin, span carry out acyl
One of imide resin and polyimide resin.
4. silicon carbide ceramics coating material according to claim 3, which is characterized in that the macromolecule resin is poly- carbonic acid
Ester, polyether-ether-ketone, vinyl esters, epoxy resin, phenolic resin and polyimide resin are 1:(1~1.4 according to weight ratio):
(0.8~1.2): (0.6~1): (0.4~0.6): (1.2~1.6) mixing.
5. silicon carbide ceramics coating material according to claim 4, which is characterized in that the macromolecule resin is poly- carbonic acid
Ester, polyether-ether-ketone, vinyl esters, epoxy resin, phenolic resin and polyimide resin are 1:1:1.2:0.6 according to weight ratio:
0.6:1.2 mixing.
6. silicon carbide ceramics coating material according to claim 4, which is characterized in that the macromolecule resin is poly- carbonic acid
Ester, polyether-ether-ketone, vinyl esters, epoxy resin, phenolic resin and polyimide resin are 1:1.2:1:0.8 according to weight ratio:
0.5:1.4 mixing.
7. the application of silicon carbide ceramics coating material described in any one of claims 1-6, which is characterized in that including walking as follows
It is rapid:
S101: treatment site is treated using angle grinder first and carries out polishing and sandblasting, is then cleared up；
S102: solidify after being coated on the processed position step S101 after the silicon carbide and ceramic primary coat are mixed.
8. the application of silicon carbide ceramics coating material according to claim 7, which is characterized in that coating with a thickness of
0.5mm~2mm.
9. the application of silicon carbide ceramics coating material according to claim 7, which is characterized in that the time of coating exists
Within 40min.
10. the application of silicon carbide ceramics coating material according to claim 7, which is characterized in that in the step S102
In, when solidification temperature is 23 DEG C~28 DEG C, heat preservation solidification 22h~26h；It is preliminary solid first when solidification temperature is less than 15 DEG C
Change 22h~26h, is then heated to 78 DEG C~82 DEG C and keeps the temperature 1.8h~2.2h.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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