CN106630982A - Preparation method of special ceramics - Google Patents
Preparation method of special ceramics Download PDFInfo
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- CN106630982A CN106630982A CN201611127443.2A CN201611127443A CN106630982A CN 106630982 A CN106630982 A CN 106630982A CN 201611127443 A CN201611127443 A CN 201611127443A CN 106630982 A CN106630982 A CN 106630982A
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Abstract
The invention relates to the technical field of ceramic materials, and particularly relates to a preparation method of special ceramics. The method comprises the following steps of a, mixing silicon carbide, feldspar, quartz and paraffin; adding ethyl alcohol; performing ball milling; adding sodium hydroxide and titanium dioxide to obtain a ball milling material; b, crushing the ball milling material, and performing calcinations to obtain particles; c, taking the ethyl alcohol; adding tetraethoxysilane, magnesium oxide, oleic acid and manganese dioxide to obtain a mixed material; spraying kaolin into the mixed material; performing heating and crushing to obtain particles; d, mixing the particles obtained in the step b and the step c; performing ball milling, melting, shaping, annealing and re-coring; then, performing crystallization treatment. The silicon carbide is added, so that the toughness and the wear resistance of the ceramics are higher; through the addition of magnesium oxide, the heat resistance and the wear resistance of the ceramics can be improved; the coating manufactured by the ceramics has good anti-cracking performance and long service life. The special ceramics become special ceramics with the advantages of finer textures, harder materials and better surface wear-resistant performance.
Description
Technical field
The present invention relates to technical field of ceramic material, and in particular to a kind of preparation method of special cermacis.
Background technology
Special cermacis, also known as fine ceramics, by its application function classification, can substantially be divided into high intensity, high temperature resistant and be combined
Structural ceramics and the big class of electrotechnical, electronic function ceramics two.The inorganic material of especially formula is added in ceramic batch, through 1360
Degree left and right high temperature sintering shaping, so as to obtain reliable and stable antistatic performance, becomes a kind of new special ceramics, generally has
One or more function, such as：The functions such as electricity, magnetic, light, heat, sound, chemistry, biology；And coupling function, such as piezoelectricity, thermoelectricity, electricity
The functions such as light, acousto-optic, magneto-optic.
The different chemical composition of special cermacis and institutional framework determine its different special nature and function, such as high-strength
Degree, high rigidity, high tenacity, corrosion-resistant, conductive, insulation, magnetic, printing opacity, semiconductor and piezoelectricity, photoelectricity, electric light, acousto-optic, magnetic
Light etc..Because performance is special, this kind of ceramics can be applied to machinery, electronics, chemical industry, smelting as structural timber and functional material
The aspects such as refining, the energy, medical science, laser, nuclear reaction, aerospace.Some developed countries, particularly Japan, the U.S. and West Europe state
Family, is that material base is established in the development of new industry to accelerate new technology revolution, puts into a large amount of human and material resources and financial resources are ground
Study carefully exploitation special cermacis, therefore the development of special cermacis is very rapid, technically also there is very big breakthrough.Special cermacis is in the modern times
Industrial technology, the particularly status in high-tech, new technical field are increasingly important.The international market of beginning of this century special cermacis
Scale is estimated to be up to 50,000,000,000 dollars, therefore many scientists foretell：Scientific technological advance of the special cermacis in 21st century
In, inherently occupy highly important status.It is more perfect that quality is finer and smoother, material is harder, surface is more wear-resisting etc.
Special cermacis product be more exposed to the favor in market.
The content of the invention
It is an object of the present invention to propose that a kind of quality is finer and smoother, material is harder, the special type that surface is more wear-resisting
The preparation method of ceramics.
To achieve these goals, the technical solution used in the present invention is：
A kind of preparation method of special cermacis, comprises the following steps：
A. by carborundum, feldspar, quartz, paraffin mixing, ball milling crosses 200 mesh sieves, adds the ethanol of 0.6-0.8 times of weight portion, send
Enter 20-24 hour of ball milling in ball mill, add NaOH, titanium dioxide, continue 6-8 hour of ball milling, obtain ball milling
Material；
B. the ball milling feed powder for a steps being obtained is broken, under nitrogen atmosphere, 4-5 hour is calcined at 850-950 DEG C, takes out and crushes,
300 mesh sieves are crossed, particle is obtained；
C. the ethanol of 45-55 weight portions is taken, tetraethyl orthosilicate is added, is stirred to dissolving, add magnesia, oleic acid, manganese dioxide,
Stirring obtains mixed material, and kaolin is crushed, and when stirring is seethed mixed material is sprayed into, and is heated to 75-85 DEG C, persistently seethes
Stir to ethanol evaporating completely, crush, cross 300 mesh sieves, obtain particle；
D. the particle for obtaining step b and step c mixes with other residual components, 30-36 hour of ball milling, Jing 1900-2100
DEG C found, be molded, annealing；Again Jing 850-950 DEG C coring 2-4 hours, then heat to 1000-1100 DEG C of Crystallizing treatment 10-12
Hour.
In step a, the weight portion of carborundum is 10-16 parts, and the weight portion of feldspar is 8-12 parts, the weight portion of quartz
For 42-52, the weight portion of paraffin is 2-4 parts, and the weight portion of NaOH is 4-6 parts, and the weight portion of titanium dioxide is 6-10 parts.
In step c, the weight portion of tetraethyl orthosilicate is 3-5 parts, and the weight portion of magnesia is 4-6 parts, the weight of oleic acid
Amount part is 3-5 parts, and the weight portion of manganese dioxide is 5-9 parts, and kaolinic weight portion is 15-25 parts.
As a result of above-mentioned technical proposal, the invention has the beneficial effects as follows：
The present invention makes the toughness and wearability of ceramics higher, by adding magnesia, by increasing capacitance it is possible to increase ceramics by adding carborundum
Heat resistance and wearability；Cracking Resistance of Coating with the ceramic making is good, life-span length.Make the present invention become quality it is finer and smoother,
Material is harder, the special cermacis that surface is more wear-resisting.
Specific embodiment
Embodiment 1
It is present embodiment discloses a kind of preparation method of special cermacis including following as a kind of preferred embodiment of the present invention
The composition of weight portion：
A. by carborundum, feldspar, quartz, paraffin mixing, ball milling crosses 200 mesh sieves, adds the ethanol of 0.6 times of weight portion, sends into ball
20 hours of ball milling in grinding machine, add NaOH, titanium dioxide, continue 6 hours of ball milling, obtain ball milling material；
B. the ball milling feed powder for a steps being obtained is broken, under nitrogen atmosphere, 4 hours is calcined at 850 DEG C, takes out and crushes, and crosses 300
Mesh sieve, obtains particle；
C. the ethanol of 45 weight portions is taken, tetraethyl orthosilicate is added, is stirred to dissolving, add magnesia, oleic acid, manganese dioxide, stirred
Mix and obtain mixed material, kaolin is crushed, when stirring is seethed mixed material is sprayed into, be heated to 75 DEG C, persistently seethe stirring
To ethanol evaporating completely, crush, cross 300 mesh sieves, obtain particle；
D. the particle for obtaining step b and step c mixes with other residual components, and 30 hours of ball milling, 1900 DEG C of Jing is founded, into
Type, annealing；850 DEG C of Jing coring 2 hours again, then heats to 1000 DEG C of Crystallizing treatments 10 hours.
Embodiment 2
It is present embodiment discloses a kind of preparation method of special cermacis including following as a kind of preferred embodiment of the present invention
The composition of weight portion：
A. by carborundum, feldspar, quartz, paraffin mixing, ball milling crosses 200 mesh sieves, adds the ethanol of 0.7 times of weight portion, sends into ball
22 hours of ball milling in grinding machine, add NaOH, titanium dioxide, continue 7 hours of ball milling, obtain ball milling material；
B. the ball milling feed powder for a steps being obtained is broken, under nitrogen atmosphere, 4 hours is calcined at 900 DEG C, takes out and crushes, and crosses 300
Mesh sieve, obtains particle；
C. the ethanol of 50 weight portions is taken, tetraethyl orthosilicate is added, is stirred to dissolving, add magnesia, oleic acid, manganese dioxide, stirred
Mix and obtain mixed material, kaolin is crushed, when stirring is seethed mixed material is sprayed into, be heated to 80 DEG C, persistently seethe stirring
To ethanol evaporating completely, crush, cross 300 mesh sieves, obtain particle；
D. the particle for obtaining step b and step c mixes with other residual components, and 33 hours of ball milling, 2000 DEG C of Jing is founded, into
Type, annealing；900 DEG C of Jing coring 3 hours again, then heats to 1050 DEG C of Crystallizing treatments 11 hours.
Embodiment 3
It is present embodiment discloses a kind of preparation method of special cermacis including following as a kind of preferred embodiment of the present invention
The composition of weight portion：
A. by carborundum, feldspar, quartz, paraffin mixing, ball milling crosses 200 mesh sieves, adds the ethanol of 0.8 times of weight portion, sends into ball
24 hours of ball milling in grinding machine, add NaOH, titanium dioxide, continue 8 hours of ball milling, obtain ball milling material；
B. the ball milling feed powder for a steps being obtained is broken, under nitrogen atmosphere, 5 hours is calcined at 950 DEG C, takes out and crushes, and crosses 300
Mesh sieve, obtains particle；
C. the ethanol of 55 weight portions is taken, tetraethyl orthosilicate is added, is stirred to dissolving, add magnesia, oleic acid, manganese dioxide, stirred
Mix and obtain mixed material, kaolin is crushed, when stirring is seethed mixed material is sprayed into, be heated to 85 DEG C, persistently seethe stirring
To ethanol evaporating completely, crush, cross 300 mesh sieves, obtain particle；
D. the particle for obtaining step b and step c mixes with other residual components, and 36 hours of ball milling, 2100 DEG C of Jing is founded, into
Type, annealing；950 DEG C of Jing coring 4 hours again, then heats to 1100 DEG C of Crystallizing treatments 12 hours.
Embodiment 4
It is present embodiment discloses a kind of preparation method of special cermacis including following as a kind of preferred embodiment of the present invention
The composition of weight portion：
A. by carborundum, feldspar, quartz, paraffin mixing, ball milling crosses 200 mesh sieves, adds the ethanol of 0.6 times of weight portion, sends into ball
20 hours of ball milling in grinding machine, add NaOH, titanium dioxide, continue 6 hours of ball milling, obtain ball milling material；
B. the ball milling feed powder for a steps being obtained is broken, under nitrogen atmosphere, 4 hours is calcined at 850 DEG C, takes out and crushes, and crosses 300
Mesh sieve, obtains particle；
C. the ethanol of 45 weight portions is taken, tetraethyl orthosilicate is added, is stirred to dissolving, add magnesia, oleic acid, manganese dioxide, stirred
Mix and obtain mixed material, kaolin is crushed, when stirring is seethed mixed material is sprayed into, be heated to 75 DEG C, persistently seethe stirring
To ethanol evaporating completely, crush, cross 300 mesh sieves, obtain particle；
D. the particle for obtaining step b and step c mixes with other residual components, and 30 hours of ball milling, 1900 DEG C of Jing is founded, into
Type, annealing；850 DEG C of Jing coring 2 hours again, then heats to 1000 DEG C of Crystallizing treatments 10 hours.
In step a, the weight portion of carborundum is 10 parts, and the weight portion of feldspar is 8 parts, and the weight portion of quartz is 42,
The weight portion of paraffin is 2 parts, and the weight portion of NaOH is 4 parts, and the weight portion of titanium dioxide is 6 parts.
In step c, the weight portion of tetraethyl orthosilicate is 3 parts, and the weight portion of magnesia is 4 parts, the weight portion of oleic acid
For 3 parts, the weight portion of manganese dioxide is 5 parts, and kaolinic weight portion is 15 parts.
Embodiment 5
It is present embodiment discloses a kind of preparation method of special cermacis including following as a kind of preferred embodiment of the present invention
The composition of weight portion：
A. by carborundum, feldspar, quartz, paraffin mixing, ball milling crosses 200 mesh sieves, adds the ethanol of 0.7 times of weight portion, sends into ball
22 hours of ball milling in grinding machine, add NaOH, titanium dioxide, continue 7 hours of ball milling, obtain ball milling material；
B. the ball milling feed powder for a steps being obtained is broken, under nitrogen atmosphere, 4 hours is calcined at 900 DEG C, takes out and crushes, and crosses 300
Mesh sieve, obtains particle；
C. the ethanol of 50 weight portions is taken, tetraethyl orthosilicate is added, is stirred to dissolving, add magnesia, oleic acid, manganese dioxide, stirred
Mix and obtain mixed material, kaolin is crushed, when stirring is seethed mixed material is sprayed into, be heated to 80 DEG C, persistently seethe stirring
To ethanol evaporating completely, crush, cross 300 mesh sieves, obtain particle；
D. the particle for obtaining step b and step c mixes with other residual components, and 33 hours of ball milling, 2000 DEG C of Jing is founded, into
Type, annealing；900 DEG C of Jing coring 3 hours again, then heats to 1050 DEG C of Crystallizing treatments 11 hours.
In step a, the weight portion of carborundum is 13 parts, and the weight portion of feldspar is 10 parts, and the weight portion of quartz is 47,
The weight portion of paraffin is 3 parts, and the weight portion of NaOH is 5 parts, and the weight portion of titanium dioxide is 8 parts.
In step c, the weight portion of tetraethyl orthosilicate is 4 parts, and the weight portion of magnesia is 5 parts, the weight portion of oleic acid
For 4 parts, the weight portion of manganese dioxide is 7 parts, and kaolinic weight portion is 20 parts.
Embodiment 6
It is present embodiment discloses a kind of preparation method of special cermacis including following as a kind of preferred embodiment of the present invention
The composition of weight portion：
A. by carborundum, feldspar, quartz, paraffin mixing, ball milling crosses 200 mesh sieves, adds the ethanol of 0.8 times of weight portion, sends into ball
24 hours of ball milling in grinding machine, add NaOH, titanium dioxide, continue 8 hours of ball milling, obtain ball milling material；
B. the ball milling feed powder for a steps being obtained is broken, under nitrogen atmosphere, 5 hours is calcined at 950 DEG C, takes out and crushes, and crosses 300
Mesh sieve, obtains particle；
C. the ethanol of 55 weight portions is taken, tetraethyl orthosilicate is added, is stirred to dissolving, add magnesia, oleic acid, manganese dioxide, stirred
Mix and obtain mixed material, kaolin is crushed, when stirring is seethed mixed material is sprayed into, be heated to 85 DEG C, persistently seethe stirring
To ethanol evaporating completely, crush, cross 300 mesh sieves, obtain particle；
D. the particle for obtaining step b and step c mixes with other residual components, and 36 hours of ball milling, 2100 DEG C of Jing is founded, into
Type, annealing；950 DEG C of Jing coring 4 hours again, then heats to 1100 DEG C of Crystallizing treatments 12 hours.
In step a, the weight portion of carborundum is 16 parts, and the weight portion of feldspar is 12 parts, and the weight portion of quartz is 52,
The weight portion of paraffin is 4 parts, and the weight portion of NaOH is 6 parts, and the weight portion of titanium dioxide is 10 parts.
In step c, the weight portion of tetraethyl orthosilicate is 5 parts, and the weight portion of magnesia is 6 parts, the weight portion of oleic acid
For 5 parts, the weight portion of manganese dioxide is 9 parts, and kaolinic weight portion is 25 parts.
Embodiment described above only expresses the specific embodiment of the application, and its description is more concrete and detailed, but and
Therefore the restriction to the application protection domain can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, on the premise of conceiving without departing from technical scheme, some deformations and improvement can also be made, these belong to this
The protection domain of application.
Claims (3)
1. a kind of preparation method of special cermacis, it is characterised in that comprise the following steps：
A. by carborundum, feldspar, quartz, paraffin mixing, ball milling crosses 200 mesh sieves, adds the ethanol of 0.6-0.8 times of weight portion, send
Enter 20-24 hour of ball milling in ball mill, add NaOH, titanium dioxide, continue 6-8 hour of ball milling, obtain ball milling
Material；
B. it is the ball milling feed powder obtained in step a is broken, under nitrogen atmosphere, 4-5 hour is calcined at 850-950 DEG C, take out powder
It is broken, 300 mesh sieves are crossed, obtain particle；
C. the ethanol of 45-55 weight portions is taken, tetraethyl orthosilicate is added, is stirred to dissolving, add magnesia, oleic acid, manganese dioxide,
Stirring obtains mixed material, and kaolin is crushed, and when stirring is seethed mixed material is sprayed into, and is heated to 75-85 DEG C, persistently seethes
Stir to ethanol evaporating completely, crush, cross 300 mesh sieves, obtain particle；
D. the particle obtained in step b and step c is mixed with other residual components, 30-36 hour of ball milling, Jing 1900-
2100 DEG C are founded, shaping, annealing；Again Jing 850-950 DEG C coring 2-4 hours, then heat to 1000-1100 DEG C of Crystallizing treatment
10-12 hours.
2. the preparation method of a kind of special cermacis according to claim 1, it is characterised in that：In step a, carborundum
Weight portion be 10-16 parts, the weight portion of feldspar is 8-12 parts, and the weight portion of quartz is 42-52, and the weight portion of paraffin is 2-4
Part, the weight portion of NaOH is 4-6 parts, and the weight portion of titanium dioxide is 6-10 parts.
3. the preparation method of a kind of special cermacis according to claim 1, it is characterised in that：In step c, positive silicic acid
The weight portion of ethyl ester is 3-5 parts, and the weight portion of magnesia is 4-6 parts, and the weight portion of oleic acid is 3-5 parts, the weight of manganese dioxide
Part is 5-9 parts, and kaolinic weight portion is 15-25 parts.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355649A (en) * | 2014-10-29 | 2015-02-18 | 安徽省皖捷液压科技有限公司 | Special ceramics for nozzle and preparation method for special ceramics |
| CN104817334A (en) * | 2015-04-22 | 2015-08-05 | 苏州统明机械有限公司 | Anti-crack ceramic for thermal spraying and preparation method thereof |
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2016
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355649A (en) * | 2014-10-29 | 2015-02-18 | 安徽省皖捷液压科技有限公司 | Special ceramics for nozzle and preparation method for special ceramics |
| CN104817334A (en) * | 2015-04-22 | 2015-08-05 | 苏州统明机械有限公司 | Anti-crack ceramic for thermal spraying and preparation method thereof |
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Application publication date: 20170510 |