CN110128123A - A kind of high-performance low expansion ceramic product and preparation method thereof - Google Patents
A kind of high-performance low expansion ceramic product and preparation method thereof Download PDFInfo
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- CN110128123A CN110128123A CN201910518338.9A CN201910518338A CN110128123A CN 110128123 A CN110128123 A CN 110128123A CN 201910518338 A CN201910518338 A CN 201910518338A CN 110128123 A CN110128123 A CN 110128123A
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- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/19—Alkali metal aluminosilicates, e.g. spodumene
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- 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
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- 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
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- 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
- C04B2235/3436—Alkaline earth metal silicates, e.g. barium silicate
- C04B2235/3445—Magnesium silicates, e.g. forsterite
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- 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
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
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- 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
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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Abstract
The invention discloses a kind of high-performance low expansion ceramic products, including green body layer and glaze layer；There is transition zone between the green body layer and glaze layer.In addition, also disclosing the preparation method of above-mentioned high-performance low expansion ceramic product.The design that the present invention passes through formula system, and form the composite ceramic material being made of green body layer, transition zone and glaze layer, thermal shock resistance is good, can be suitable for high power electric appliance, to very well satisfy the requirement of for example heat-resisting cooker of low expansion ceramic product, technological progress and the application development of low expansion ceramic industry may advantageously facilitate.
Description
Technical field
The present invention relates to technical field of ceramic material more particularly to a kind of high-performance low expansion ceramic product and its preparation sides
Method.
Background technique
Thermal expansivity is a main performance of ceramic material, and performance relevant to thermal expansivity mainly includes the anti-of material
Thermal shock resistance, mechanical property etc..When material bears biggish temperature change, the size of thermal expansion coefficient directly affects material
Service performance and its safety, therefore develop expansion ceramic material and be of great significance.Currently, domestic common low expansion ceramic
The coefficient of expansion of cooker is most of in α(800~20 DEG C)=3 × 10-6/ DEG C or so, thermal shock resistance is that 350~20 DEG C of water quick coolings are primary
It does not split, mainly uses spodumene, the low expansion ceramic firing range prepared with the system is narrow, qualification rate is low, brings to enterprise
Unnecessary waste.Especially, with the continuous development of the heating methods electric appliance such as electromagnetism, many electrical companies have developed electricity
The electric-heating cooking utensils such as magnetic furnace, electric ceramic heaters, light-wave cooker, so that very big city occurs in the low expansion ceramic as matching component or utensil
Field demand；And it is also further therewith with the low expansion ceramic cooker demand of electrical matching with the upgrading of people's consumption quality
Increase.Since the characteristics of above-mentioned electric-heating cooking utensil, is that heating speed is fast, therefore it is required that matched ceramic product must have it is very low
Thermal expansion coefficient is just able to satisfy the requirement to its anti-rapid heat cycle impact property in this way.But it can satisfy height currently on the market
The ceramic product that power amplifier uses is very few.For this purpose, many enterprises also proposed different solutions, lithium matter is such as improved
The additional amount of mineral or using by lithium matter mineral and the compound ceramic material etc. of cordierite, but its ceramic material for producing
The coefficient of expansion is still bigger, typically in α(800~20 DEG C)=1.6 × 10-6/ DEG C or more, thermal shock resistance it is best be also
400~20 DEG C of water quick coolings are not split once, it is difficult to meet the new standard QB/T2580- of such as fine heat-resisting cooker of low expansion ceramic product
450~20 DEG C of chillings specified in 2018 do not split requirement.In addition, also there is research to carry out ingredient using coarse granule method,
Its thermal shock resistance is able to satisfy national standard, but body and glaze associativity is poor, and glaze layer is easy cracking, and is difficult to be sintered, and water absorption rate is big, is easy
Lead to leak oil leak, there is security risks.
Summary of the invention
That it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of thermal shock resistances is good, can be suitable for height
The high-performance low expansion ceramic product of power amplifier by the design of formula system, and is formed by green body layer, transition zone and glaze layer
The composite ceramic material of composition, to meet the requirement of for example heat-resisting cooker of low expansion ceramic product, well in favor of promoting
Technological progress and application development into low expansion ceramic industry.Another object of the present invention is to provide above-mentioned high-performance low bulks
The preparation method of ceramic product.
The purpose of the present invention is achieved by the following technical programs:
A kind of high-performance low expansion ceramic product provided by the invention, including green body layer and glaze layer；In addition, the green body layer
There is transition zone between glaze layer；Wherein,
The raw material group of the green body layer become 40~50wt% of petalite, fused quartz powder 5~15%, Suzhou soil 10~
20wt%, 15~25wt% of Guizhou clay, 1~5wt% of subnar soil, 2~5wt% of calcination of talc, 1~5wt% of black mud；
The raw material group of the transition zone become 50~60wt% of petalite, 5~15wt% of spodumene, Suzhou soil 5~
10wt%, 10~25wt% of Guizhou clay, 1~5wt% of subnar soil, 1~3wt% of calcination of talc, 1~5wt% of black mud；
The raw material group of the glaze layer become 60~80wt% of low bulk material, 5~10wt% of Guizhou clay, calcination of talc 1~
5wt%, 1~3wt% of bone ash, 1~8wt% of barium carbonate, 0~15wt% of quartz, 0~5wt% of zinc oxide, ceramic pigment or silicic acid
1~6wt% of zirconium.
Further, low bulk material of the present invention be one of petalite, spodumene or low bulk frit or its
Combination.The granularity of the fused quartz powder is 0.1~0.2mm.
Another object of the present invention is achieved by the following technical programs:
The preparation method of above-mentioned high-performance low expansion ceramic product provided by the invention, comprising the following steps:
(1) preparation of green body layer pug
Each raw material composition of the green body layer after ball milling mixing, carry out filter-press dehydration, vacuum pugging, molding, it is dry to get
To green body layer pug；
(2) preparation of transition zone slurry
Each raw material composition of transition zone carried out screening out iron to get transition zone slurry is arrived after ball milling mixing；
(3) preparation of glaze slip
Each raw material composition of glaze layer carried out screening out iron or did not removed iron to get glaze slip is arrived after ball milling mixing；
(4) preparation of ceramic product
The green body layer pug immerses in transition zone slurry, after rolling or injection forming, drying, repaired biscuit moisturizing through element
Burn, after moisturizing glazing, be sintered using the slow firing technique of oxidizing flame, i.e., burnt slowly from Oxidation at room temperature atmosphere through 10~12.5h to
1230~1270 DEG C, i.e. acquisition high-performance low expansion ceramic product.
In above scheme, each raw material composition fineness after ball milling of green body layer described in preparation method of the present invention is 250 mesh screen residues
It is 22~26%.Fineness is 250 mesh screen residues to each raw material composition of the transition zone after ball milling is 0.8~1.1%.The glaze layer is each
Fineness is 250 mesh screen residues to raw material composition is 0.06~0.09% after ball milling.
The invention has the following advantages:
(1) high-performance low expansion ceramic product of the present invention is combined by three layers, solves glaze-body bonding using transition zone
And the problem of high temperature firing, glaze layer will not cracking, three-layered node closes well, solves the problems, such as product leak oil leak.
(2) blank of the present invention formed in oxidizing flame sintering process, in green body a large amount of low bulk petalite crystal and
The solid solution of spodumene and quartz, crystal phase is full and uniform, and green body porosity is moderate, micropore size size distribution is uniform, thus into
One step improves the thermal shock resistance of low expansion ceramic product.
(3) high-performance low expansion ceramic product of the present invention, the cost of material is low and processability is good, not only solves existing skill
The problem of art blank forming property difference, improves production qualification rate, and properties have significant raising, flexural strength is
58~68MPa, thermal shock resistance have reached 450~20 DEG C of chillings specified in new standard QB/T2580-2018 and have not split.
Below in conjunction with embodiment, the present invention is described in further detail.
Specific embodiment
A kind of embodiment of high-performance low expansion ceramic product of the present invention, including green body layer and glaze layer, and green body layer and
There is transition zone between glaze layer；Its raw material composition is as shown in table 1.
The raw material of 1 high-performance low expansion ceramic product of the embodiment of the present invention of table forms
Wherein, the granularity of fused quartz powder is 0.1~0.2mm.
The above embodiment of the present invention high-performance low expansion ceramic product the preparation method is as follows:
(1) preparation of green body layer pug
Above-mentioned each raw material composition of green body layer is to carry out filters pressing after 250 mesh screen residues are 22~26% through ball milling mixing to fineness
Dehydration, molding, is dried to get green body layer pug is arrived vacuum pugging；
(2) preparation of transition zone slurry
Above-mentioned each raw material composition of transition zone is after 250 mesh screen residues are 0.8~1.1%, to carry out through ball milling mixing to fineness
Iron is screened out to get being 1.54g/cm to concentration3Transition zone slurry；
(3) preparation of glaze slip
Above-mentioned each raw material composition of glaze layer is after 250 mesh screen residues are 0.06~0.09%, to carry out through ball milling mixing to fineness
It screens out iron or does not remove iron to get glaze slip is arrived；
(4) preparation of ceramic product
Above-mentioned green body layer pug immerses transition zone slurry 3s, through element after rolling or injection forming, drying, repaired biscuit moisturizing
Burn, after moisturizing glazing, be sintered using the slow firing technique of oxidizing flame, i.e., burnt slowly from Oxidation at room temperature atmosphere through 10~12.5h to
1230~1270 DEG C, i.e. acquisition high-performance low expansion ceramic product.
The preparation method of high-performance low expansion ceramic product of the embodiment of the present invention, technological parameter are as shown in table 2.
The technological parameter of 2 high-performance low expansion ceramic product of the embodiment of the present invention of table firing
Note: ball milling fineness is 250 mesh screen residues.
The performance indicator of high-performance low expansion ceramic product of the embodiment of the present invention is as shown in table 3.
The performance indicator of 3 high-performance low expansion ceramic product of the embodiment of the present invention of table
Note: 1, flexural strength detection uses universal testing machine.
2, thermal shock resistance detection uses national standard QB/T2580-2018, i.e., low expansion ceramic product is placed on coal gas
When to be heated to bottom temp on furnace be 450 DEG C, volume is that 1/10,20 DEG C of product volume of cold water pours into product by moment, anxious
It is cold not split for qualification once.
Claims (7)
1. a kind of high-performance low expansion ceramic product, including green body layer and glaze layer；It is characterized by: the green body layer and glaze layer it
Between have transition zone；Wherein,
The raw material group of the green body layer become 40~50wt% of petalite, fused quartz powder 5~15%, Suzhou soil 10~
20wt%, 15~25wt% of Guizhou clay, 1~5wt% of subnar soil, 2~5wt% of calcination of talc, 1~5wt% of black mud；
The raw material group of the transition zone become 50~60wt% of petalite, 5~15wt% of spodumene, 5~10wt% of Suzhou soil,
10~25wt% of Guizhou clay, 1~5wt% of subnar soil, 1~3wt% of calcination of talc, 1~5wt% of black mud；
The raw material group of the glaze layer become 60~80wt% of low bulk material, 5~10wt% of Guizhou clay, 1~5wt% of calcination of talc,
1~3wt% of bone ash, 1~8wt% of barium carbonate, 0~15wt% of quartz, 0~5wt% of zinc oxide, ceramic pigment or zirconium silicate 1~
6wt%.
2. high-performance low expansion ceramic product according to claim 1, it is characterised in that: the low bulk material is that saturating lithium is long
One of stone, spodumene or low bulk frit or combinations thereof.
3. high-performance low expansion ceramic product according to claim 1, it is characterised in that: the particle of the fused quartz powder
Degree is 0.1~0.2mm.
4. the preparation method of high-performance low expansion ceramic product described in one of claim 1-3, it is characterised in that including following step
It is rapid:
(1) preparation of green body layer pug
Each raw material composition of green body layer carries out filter-press dehydration, vacuum pugging, molding, dries to get base is arrived after ball milling mixing
Body layer pug；
(2) preparation of transition zone slurry
Each raw material composition of transition zone carried out screening out iron to get transition zone slurry is arrived after ball milling mixing；
(3) preparation of glaze slip
Each raw material composition of glaze layer carried out screening out iron or did not removed iron to get glaze slip is arrived after ball milling mixing；
(4) preparation of ceramic product
The green body layer pug immerses in transition zone slurry after rolling or injection forming, drying, repaired biscuit moisturizing, through biscuiting, mends
After water glazing, be sintered using the slow firing technique of oxidizing flame, i.e., burnt slowly from Oxidation at room temperature atmosphere through 10~12.5h to 1230~
1270 DEG C, i.e. acquisition high-performance low expansion ceramic product.
5. the preparation method of high-performance low expansion ceramic product according to claim 4, it is characterised in that: the green body layer
Fineness is 250 mesh screen residues to each raw material composition after ball milling is 22~26%.
6. the preparation method of high-performance low expansion ceramic product according to claim 4, it is characterised in that: the transition zone
Fineness is 250 mesh screen residues to each raw material composition after ball milling is 0.8~1.1%.
7. the preparation method of high-performance low expansion ceramic product according to claim 4, it is characterised in that: the glaze layer is each
Fineness is 250 mesh screen residues to raw material composition is 0.06~0.09% after ball milling.
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Cited By (6)
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|---|---|---|---|---|
| CN110803944A (en) * | 2019-10-25 | 2020-02-18 | 界首市伟盛古窑彩陶制作发展有限公司 | Glaze dipping process for ceramic glazing |
| CN111732424A (en) * | 2020-07-14 | 2020-10-02 | 黑龙江火山岩科技有限公司 | Volcanic low-expansion ceramic blank and preparation method of volcanic low-expansion ceramic |
| CN112794699A (en) * | 2021-03-29 | 2021-05-14 | 佛山途龙陶瓷有限公司 | Preparation method of furnace Jun glaze porcelain |
| CN114621001A (en) * | 2022-03-31 | 2022-06-14 | 江西省康舒陶瓷股份有限公司 | Far infrared fine ceramic cooking device |
| CN114907146A (en) * | 2022-04-07 | 2022-08-16 | 景德镇陶瓷大学 | Blank glaze intermediate layer material for enhancing domestic ceramics and preparation method of ceramic product |
| CN115784614A (en) * | 2022-12-09 | 2023-03-14 | 德化县辉杰瓷业有限公司 | Low-expansion ceramic glaze and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803944A (en) * | 2019-10-25 | 2020-02-18 | 界首市伟盛古窑彩陶制作发展有限公司 | Glaze dipping process for ceramic glazing |
| CN111732424A (en) * | 2020-07-14 | 2020-10-02 | 黑龙江火山岩科技有限公司 | Volcanic low-expansion ceramic blank and preparation method of volcanic low-expansion ceramic |
| CN112794699A (en) * | 2021-03-29 | 2021-05-14 | 佛山途龙陶瓷有限公司 | Preparation method of furnace Jun glaze porcelain |
| CN114621001A (en) * | 2022-03-31 | 2022-06-14 | 江西省康舒陶瓷股份有限公司 | Far infrared fine ceramic cooking device |
| CN114907146A (en) * | 2022-04-07 | 2022-08-16 | 景德镇陶瓷大学 | Blank glaze intermediate layer material for enhancing domestic ceramics and preparation method of ceramic product |
| CN114907146B (en) * | 2022-04-07 | 2023-03-10 | 景德镇陶瓷大学 | Blank glaze intermediate layer material for enhancing domestic ceramics and preparation method of ceramic product |
| CN115784614A (en) * | 2022-12-09 | 2023-03-14 | 德化县辉杰瓷业有限公司 | Low-expansion ceramic glaze and preparation method thereof |
| CN115784614B (en) * | 2022-12-09 | 2023-11-24 | 德化县辉杰瓷业有限公司 | Low-expansion ceramic glaze and preparation method thereof |
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