KR101893607B1 - Ceramics manufacturing method having a blue color crystals - Google Patents
Ceramics manufacturing method having a blue color crystals Download PDFInfo
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- KR101893607B1 KR101893607B1 KR1020160032667A KR20160032667A KR101893607B1 KR 101893607 B1 KR101893607 B1 KR 101893607B1 KR 1020160032667 A KR1020160032667 A KR 1020160032667A KR 20160032667 A KR20160032667 A KR 20160032667A KR 101893607 B1 KR101893607 B1 KR 101893607B1
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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
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
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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
- C04B33/00—Clay-wares
- C04B33/24—Manufacture of porcelain or white ware
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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
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
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Abstract
The present invention relates to a method for manufacturing ceramics having blue crystals, which comprises a first glaze applying step (S10) of applying a crystalline glaze to the surface of a substrate formed by preliminarily firing a ceramic material, A second glaze applying step (S20) of applying a coloring glaze to the substrate surface before the firstly applied crystal glaze on the surface is dried; and a second glaze applying step (S20) of baking the substrate at 800 to 1000 ° C for 2 to 3 hours to form crystals (S30); and, when crystals are formed on the substrate surface through the first firing step (S30), the temperature is raised to 1240 to 1260 DEG C and firing is performed for 14 to 18 hours to vitrify the glaze And a cooling step (S50) of closing the inside of the kiln when the second sintering step (S40) is completed, and then slowly cooling the sintering furnace for 20 to 28 hours to complete a finished product (S50) As a result,
The substrate having the crystal glaze and the coloring glaze sequentially fired on the surface thereof is fired to manifest the crystals of the spots in the first firing process and vitrified in the second firing process to complete the ceramic with the crystal having a beautiful appearance .
Description
The present invention relates to a method for manufacturing ceramics having blue crystals, more particularly, to a method for producing ceramics having blue crystals, and more particularly, to a method for producing ceramics having blue crystals by firing a substrate to which a crystal glaze and a coloring glaze are sequentially applied, And has a blue crystal which can be completed with a ceramic having vitrified crystals which are vitrified in the process.
Generally, shapes and patterns are formed on the surface of ceramics in various ways. For example, there is a method for producing general ceramics such as inlaid celadon which is stamped on the surface of ceramics and overlaid with glaze. In another method, There is a method of solidifying a ceramic pattern.
Recently, there is a method of designing a composition of a glaze on living pottery (such as a bowl, a kettle, a tea set, etc.). As for the composition, it is common to use a pattern of straw, limestone, or the like, or a wood pattern.
In addition, there is a method of limiting the temperature of the ceramics baking process to a specific temperature during the ceramics baking process and setting the specific temperature in the ceramics crystallization process so as to show the indefinite pattern of the ceramics using cracks of ceramics or cracks of the glaze.
Disclosure of the Invention The present invention has been proposed in order to solve all of the problems as described above. The object of the present invention is to provide a process for producing a colorant, which comprises the steps of firing a substrate to which a crystalline glaze and a coloring glaze are sequentially applied, And a blue crystal capable of being completed with a ceramic having vitrified crystals which are vitrified during the firing process.
According to another aspect of the present invention, there is provided a method of manufacturing a ceramics having a blue crystal, comprising the steps of: (S10) applying a first glaze to a surface of a substrate formed by preliminarily firing a ceramic material; A second glaze applying step (S20) of applying a coloring glaze to the substrate surface before the crystal glaze coated on the surface of the substrate is dried, and a second glaze applying step (S20) of baking the substrate at 800 to 1000 ° C for 2 to 3 hours, (S30); and, when crystals are formed on the substrate surface through the first firing step (S30), the temperature is raised to 1240 to 1260 DEG C and firing is performed for 14 to 18 hours to obtain a glaze And a cooling step (S50) of closing the inside of the kiln after completion of the secondary sintering step (S40) and then slowly cooling the sintering furnace for 20 to 28 hours to complete the finished product (S50); ≪ / RTI >
Wherein the crystal glaze comprises 200 to 220 parts by weight of feldspar, 35 to 37 parts by weight of limestone, 70 to 75 parts by weight of zircon, 22 to 26 parts by weight of barium, 35 to 37 parts by weight of clay, 9 to 11 parts by weight of zircon, 7 to 7 parts by weight of lithium, 11 to 13 parts by weight of lithium, 5 to 6 parts by weight of zinc, and 3 to 5 parts by weight of granules are mixed with 150 to 170 parts by weight of water.
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The coloring glaze preferably contains 260 to 300 parts by weight of feldspar, 126 to 130 parts by weight of stones, 150 to 155 parts by weight of zircon, 102 to 106 parts by weight of barium, 46 to 50 parts by weight of clay, 10 to 15 parts by weight of cobalt, 5 to 7 parts by weight of zinc, 55 to 57 parts by weight of zinc, 7 to 9 parts by weight of fossil acid, 78 to 82 parts by weight of titanium and 7 to 9 parts by weight of lithium with 150 to 170 parts by weight of water.
As described above, according to the method of manufacturing ceramics having a blue crystal according to the present invention, the substrate on which the crystal glaze and the coloring glaze are sequentially applied is fired on the surface to express the crystal of the spot in the first firing process, It is vitrified in the process and can be completed with ceramics having crystals which are aesthetically pleasing.
1 is a block diagram of a method of manufacturing a ceramic with blue crystals according to an embodiment of the present invention
Fig. 2 is a photograph of a pottery manufactured by the method of manufacturing ceramics having blue crystals shown in Fig. 1
A method of manufacturing a ceramics having a blue crystal according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. Detailed descriptions of well-known functions and constructions that may be unnecessarily obscured by the gist of the present invention will be omitted.
FIG. 1 and FIG. 2 show a method of manufacturing a ceramic having blue crystals according to an embodiment of the present invention. FIG. 1 is a block diagram of a method of manufacturing a ceramic having blue crystals according to an embodiment of the present invention, 2 is a photographic view of a pottery manufactured by the method of manufacturing a pottery having a blue crystal shown in FIG.
As shown in the drawing, a
As shown in FIG. 1, the first glaze applying step (S10) is a step of applying a crystalline glaze to the surface of a substrate formed by preliminarily firing a ceramic article.
Generally, in order to produce ceramics, a ceramics-shaped article is preliminarily baked at about 800 ° C. to produce a substrate. The process of making such a substrate is a process usually performed to make ceramics, so a detailed description thereof will be omitted do.
When the substrate is prepared as described above, the crystal glaze is first applied to the surface. The crystalline glaze thus applied is melted in the first sintering step to be formed and is expressed as crystals of a spot.
Wherein the crystal glaze comprises 200 to 220 parts by weight of feldspar, 35 to 37 parts by weight of limestone, 70 to 75 parts by weight of zircon, 22 to 26 parts by weight of barium, 35 to 37 parts by weight of clay, 9 to 11 parts by weight of zircon, 5 to 7 parts by weight of lithium, 11 to 13 parts by weight of lithium, 5 to 6 parts by weight of zinc, and 3 to 5 parts by weight of granules are mixed with 150 to 170 parts by weight of water.
The composition except for water is formed into a dry powder form, and is mixed with water and mixed with each other to form a crystal glaze. The fullerene, which is a main component of the crystal glaze, reacts with the silica to form a vitreous, It melts and increases the hardness.
Therefore, the crystal glaze including limestone melts before the coloring glaze to be formed, and forms crystals having high hardness. In this case, barium is a flux, which lowers the melting point and induces the crystal to be well formed while the lithium and zinc are well dissolved.
As shown in FIG. 1, the second glaze applying step S20 is a step of applying a coloring glaze to the substrate surface before the crystal glaze coated on the substrate surface is dried.
If the color glaze is applied after the crystalline glaze applied to the substrate is dried, the crystal glaze may be peeled off. Therefore, it is preferable that the second color glaze is applied and laminated before the crystal glaze applied to the substrate is completely dried.
The coloring glaze preferably contains 260-300 parts by weight of feldspar, 126-130 parts by weight of stones, 150-155 parts by weight of zircon, 102-106 parts by weight of barium, 46-50 parts by weight of clay, 10-15 parts by weight of cobalt, 7 to 9 parts by weight of titanium oxide, 7 to 9 parts by weight of lithium and 150 to 170 parts by weight of water.
Here, the feldspar, the stones and the stones of the coloring glaze are colored in blue through the cobalt during the melting and vitrification in the secondary sintering step to be performed later, so that blue color is expressed on the surface of the ceramic. At this time, iron activates the coloration of cobalt and induces the color to be clearly expressed.
On the other hand, in the first firing step (S30), the crystal glaze is melted and slowly crystallized while gradually penetrating the coloring glaze. At this time, zinc, lithium and titanium of the coloring glaze help crystallization of the crystal glaze, .
As shown in FIG. 1, the first firing step (S30) is a step of firing the substrate at 800 to 1000 占 폚 for 2 to 3 hours to induce crystal formation on the substrate surface.
Here, in the first firing step, the temperature of the kiln is gradually raised from 800 to 1000 ° C for 2 to 3 hours to induce crystal formation through the coloring glaze while gradually melting the crystal glaze applied to the substrate.
At this time, if the temperature of the kiln is raised too fast from 800 to 1000 占 폚, or if the temperature of the kiln is raised beyond 1000 占 폚, the crystal glaze may flow down, so that the rising temperature is preferably raised very slowly to less than 1000 占 폚.
As shown in FIG. 1, in the second sintering step S40, when crystals are formed on the substrate surface through the first sintering step S30, the temperature is raised to 1240 to 1260 DEG C and firing is performed for 14 to 18 hours, Is vitrified.
As shown in FIGS. 1 and 2, the cooling step S50 is performed by closing the inside of the kiln after the second sintering step S40 is completed, and then gradually cooling for 20 to 28 hours to complete the finished
At this time, as the molten zinc and barium of the crystal and the coloring glaze coagulate and coagulate, a more gorgeous crystal shape is gradually expressed.
If the inside of the kiln is not sealed with the outside, the temperature inside the kiln rapidly cools and cracks may occur in the ceramics and the developed crystals. Therefore, the inside of the kiln is slowly cooled in a closed state, (200).
A ceramic 200 having a crystal as described below is fabricated through a
First, a crystal glaze was prepared by mixing 2120 g of feldspar, 360 g of limestone, 720 g of silicate, 240 g of clay, 360 g of clay, 100 g of zircon, 60 g of fossil acid, 120 g of lithium, 60 g of zinc,
A coloring glaze is prepared by mixing 1.700 of water with 2800 g of feldspar, 1280 g of stover, 1520 g of barium, 1040 g of barium, 480 g of clay, 120 g of cobalt, 60 g of iron, 560 g of zinc, 80 g of titanium oxide and 80 g of lithium.
Then, the crystal glaze is first applied to the surface of the substrate through the sintering process. (S10)
Then, the above-mentioned coloring glaze is applied to the surface of the substrate before the crystal glaze applied to the substrate is dried. (S20)
Then, the substrate is placed in a kiln and then subjected to a first calcination at 800 to 1000 ° C. At this time, the calcination is performed by consuming 2 to 3 hours to raise the temperature from 800 to 1000 ° C.
The temperature of the substrate is rapidly absorbed. As the crystal glaze directly contacts with the surface of the substrate as it is heated and overheated, crystals are formed as it penetrates through the coloring glaze layer. At this time, zinc and lithium and titanium of the coloring glaze help crystal glaze, . (S30)
Then, the temperature of the kiln is raised to 1250 ° C., and the second firing is performed for 18 hours. At this time, the glaze is gradually melted while being vitrified, so that blue color appears on the surface of the substrate through cobalt. (S40)
Then, the kiln is cooled for 24 hours in a state where the kiln is closed. At this time, the crystals and the barium of the coloring glaze aggregate and coagulate to form a gorgeous crystal shape. As shown in FIG. 2, . (S50)
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the invention as defined by the appended claims. You will understand the point. It goes without saying that variations can be made by those skilled in the art without departing from the spirit of the present invention. Accordingly, the scope of claim of the present invention is not limited within the scope of the detailed description, but will be defined by the following claims and technical ideas thereof.
S10. The first glaze application step
S20. The second glaze application step
S30. Primary firing step
S40. Second firing step
S50. Cooling step
100. Method of manufacturing ceramics with blue crystals
200. Ceramics
Claims (3)
A second glaze applying step (S20) of applying a coloring glaze on the substrate surface before the first glaze coated on the surface of the substrate is dried;
A first firing step (S30) of firing the substrate at 800 to 1000 DEG C for 2 to 3 hours to induce crystal formation on the substrate surface;
A second sintering step (S40) in which when the crystal is formed on the substrate surface through the first sintering step (S30), the temperature is raised to 1240 to 1260 DEG C and the sintering is performed for 14 to 18 hours to vitrify the glaze; And
And a cooling step (S50) of closing the inside of the kiln after completion of the secondary sintering step (S40) and then gradually cooling the sintered pottery (200) for 20 to 28 hours,
Wherein the crystal glaze comprises 200 to 220 parts by weight of feldspar, 35 to 37 parts by weight of limestone, 70 to 75 parts by weight of zircon, 22 to 26 parts by weight of barium, 35 to 37 parts by weight of clay, 9 to 11 parts by weight of zircon, 7 to 7 parts by weight of lithium, 11 to 13 parts by weight of lithium, 5 to 6 parts by weight of zinc, and 3 to 5 parts by weight of granules are mixed with 150 to 170 parts by weight of water.
The color-
Wherein the feldspar contains 260-300 parts by weight of feldspar, 126-130 parts by weight of stones, 150-155 parts by weight of zircon, 102-106 parts by weight of barium, 46-50 parts by weight of clay, 10-15 parts by weight of cobalt, 5-7 parts by weight of iron, A process for producing ceramics having a blue crystal, which comprises mixing 55 to 57 parts by weight of zinc, 7 to 9 parts by weight of fossil acid, 78 to 82 parts by weight of titanium and 7 to 9 parts by weight of lithium with 150 to 170 parts by weight of water .
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| KR1020160032667A KR101893607B1 (en) | 2016-03-18 | 2016-03-18 | Ceramics manufacturing method having a blue color crystals |
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| KR1020160032667A KR101893607B1 (en) | 2016-03-18 | 2016-03-18 | Ceramics manufacturing method having a blue color crystals |
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| KR102094644B1 (en) * | 2019-09-02 | 2020-03-31 | 주식회사 아이오티스킨 | Method for manufacturing pottery with variable shape of abstract pattern and pottery produced by the method |
| CN115403271A (en) * | 2022-08-08 | 2022-11-29 | 醴陵陶润实业发展有限公司 | Formula of medium-temperature blue-white pekoe glaze and method for manufacturing ceramic by using formula |
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| KR101280931B1 (en) * | 2012-09-21 | 2013-07-01 | (주)에릭스 | Preparation method of vaobian pottery that three position color is different and vaobian pottery using the same and airtight container of locking method using the same |
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| KR101280931B1 (en) * | 2012-09-21 | 2013-07-01 | (주)에릭스 | Preparation method of vaobian pottery that three position color is different and vaobian pottery using the same and airtight container of locking method using the same |
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