CN113912295A - Medium-low temperature fast-firing glaze with silver spot effect and application thereof - Google Patents
Medium-low temperature fast-firing glaze with silver spot effect and application thereof Download PDFInfo
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- CN113912295A CN113912295A CN202111404669.3A CN202111404669A CN113912295A CN 113912295 A CN113912295 A CN 113912295A CN 202111404669 A CN202111404669 A CN 202111404669A CN 113912295 A CN113912295 A CN 113912295A
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- 241001206158 Blepsias cirrhosus Species 0.000 title claims abstract description 14
- 238000010304 firing Methods 0.000 title abstract description 36
- 239000000919 ceramic Substances 0.000 claims abstract description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 10
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 9
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(II,III) oxide Inorganic materials [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000012535 impurity Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 8
- 239000001506 calcium phosphate Substances 0.000 claims description 8
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 8
- 235000011010 calcium phosphates Nutrition 0.000 claims description 8
- 239000010433 feldspar Substances 0.000 claims description 8
- 229940072033 potash Drugs 0.000 claims description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 8
- 235000015320 potassium carbonate Nutrition 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 8
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 7
- 235000019738 Limestone Nutrition 0.000 claims description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000006028 limestone Substances 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 239000011572 manganese Substances 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 239000000454 talc Substances 0.000 claims description 7
- 229910052623 talc Inorganic materials 0.000 claims description 7
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 229910017976 MgO 4 Inorganic materials 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
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- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 10
- 238000005187 foaming Methods 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 230000037303 wrinkles Effects 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2209/00—Compositions specially applicable for the manufacture of vitreous glazes
- C03C2209/02—Compositions specially applicable for the manufacture of vitreous glazes to produce non-uniformly coloured glazes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Glass Compositions (AREA)
Abstract
The invention belongs to the field of ceramics, and discloses a medium-low temperature quick-firing glaze with a silver spot effect and application thereof. The chemical composition of the glaze comprises SiO2、Al2O3、Fe2O3、CaO、MgO、K2O、Na2O、MnO、P2O5、TiO2And Co3O4. The middle-low temperature fast-firing glaze of some examples of the invention can be rapidly fired at a lower firing temperature (1170-1250 ℃) to obtain a silver spot effect, and has unique aesthetic feeling. Meanwhile, the requirement on firing conditions is loose, and the firing temperature can not obviously affect the effect of the fired glaze surface when fluctuating within a certain range. The application method is simple, glazing can be performed through various conventional processes, glazing can be performed by adopting methods such as glaze spraying, glaze scraping and the like, and the method can be directly applied to the embryo body layer and can also be applied to the overglaze layer. Specifically, a germ (a) may be usedGlazing/glazing-baking; the ceramic is obtained by the steps of biscuit-overglaze-glazing/glaze pouring-firing.
Description
Technical Field
The invention relates to a ceramic glaze, in particular to a medium-low temperature quick-firing glaze with a silver spot effect and application thereof.
Background
The traditional Tianmu glaze has unique aesthetic feeling, wherein the oil-drop Tianmu glaze becomes the traditional famous glaze in ancient and modern countries due to unique and ingenious manufacturing technology and great difficulty, and the goal pursued by the ceramic industry in ancient and modern countries, the porcelain produced by the Tianmu glaze has the characteristics of stability, beauty and rich change, becomes a precious art in the ceramic industry, and has rare transmission of good work.
The traditional Tianmu glaze loses once and is reproduced through recovery research. However, the traditional temmoku glaze manufacturing process is complex, the requirement on the base material is high, and the used clay blank is made of clay containing more iron. The sintering temperature is strict, the sintering time is at least 7-10 hours, the sintering atmosphere is strictly controlled, and the precision product rate and the yield are low, so the method is less applied to the market.
The development of the medium-low temperature fast-firing glaze with the advantages of simple preparation process, controllable effect and silver spot effect and the application thereof have very important significance.
Disclosure of Invention
The invention aims to overcome at least one defect of the prior art and provides a medium-low temperature fast-firing glaze with a silver spot effect and application thereof.
The technical scheme adopted by the invention is as follows:
in a first aspect of the present invention, there is provided:
a glaze with silver spot effect comprises the following chemical compositions after being fired: SiO 22 50～70%、Al2O3 8～15%、Fe2O3 5～10%、CaO 2～8%、MgO 2～8%、K2O 3～10%、Na2O 0～5%、MnO 2～5%、P2O5 0.3～2%、TiO2 0～2%、Co3O4 1-2%, the rest being loss of ignition and inevitable impurities.
In some examples, the post-firing chemical composition is: SiO 22 50～60%、Al2O3 10～13%、Fe2O3 7～8%、CaO 4～6%、MgO 4～5%、K2O 5～10%、Na2O 1～4%、MnO 2～5%、P2O5 0.3～2%、TiO2 0～2%、Co3O4 1-2%, the rest being loss of ignition and inevitable impurities.
In some examples, the post-firing chemical composition is: SiO 22 52～54%、Al2O3 11～11.55%、Fe2O3 7～8%、CaO 5～5.32%、MgO 4～5%、K2O 6～9%、Na2O 2～3%、MnO 3～4.25%、P2O5 0.5～1.11%、TiO2 0～0.2%、Co3O4 1-2%, the rest being loss of ignition and inevitable impurities.
In view of the reactions during firing, in some examples, the raw materials consist of: 50-70 parts of potash feldspar, 7-13 parts of quartz, 3-15 parts of kaolin, 15-20 parts of talc, 8-10 parts of limestone, 5-12 parts of iron oxide red, 3-4 parts of cobalt, 0-2 parts of manganese and 1-2 parts of calcium phosphate.
In some examples, the raw materials consist of: 50-60 parts of potash feldspar, 7-9 parts of quartz, 3-10 parts of kaolin, 15-18 parts of talc, 8-10 parts of limestone, 5-12 parts of iron oxide red, 3-4 parts of cobalt, 0-2 parts of manganese and 1-2 parts of calcium phosphate.
In some examples, the total mass content of ignition loss and impurities does not exceed 8%, preferably does not exceed 5%.
In a second aspect of the present invention, there is provided:
a glaze slip comprising a solvent and an adjuvant, wherein the glaze is as defined in the first aspect of the invention.
The solvent and the auxiliary agent are common solvents in the ceramic glaze slurry, and the solvent can be water. The auxiliary agent includes but is not limited to dispersing agent, reinforcing agent, defoaming agent, and concretely can be carboxymethyl cellulose, sodium tripolyphosphate, dimethyl silicone oil, etc.
In a third aspect of the present invention, there is provided:
a ceramic comprising a body obtained by applying a glaze slip containing the glaze of the first aspect of the present invention on the body and then firing.
In some examples, the firing temperature is 1170-1250 ℃.
In some examples, the glazing thickness of the glaze slip is 0.5mm to 0.8 mm.
In some examples, the glaze slip has a specific gravity of 1.7 to 1.9.
The invention has the beneficial effects that:
the middle-low temperature fast-firing glaze of some examples of the invention can be rapidly fired at a lower firing temperature (1170-1250 ℃) to obtain a silver spot effect, and has unique aesthetic feeling. Meanwhile, the requirement on firing conditions is loose, and the firing temperature can not obviously affect the effect of the fired glaze surface when fluctuating within a certain range.
The medium-low temperature fast-firing glaze slip of some examples of the invention has simple use method, can carry out glazing by various conventional processes, can be implemented by adopting methods such as glaze spraying, glaze scraping and the like, and can be directly applied to an embryo body layer and also applied to a surface glaze layer. Concretely, the method comprises the steps of blank-glazing/glaze pouring-firing; the ceramic is obtained by the steps of biscuit-overglaze-glazing/glaze pouring-firing.
Drawings
FIG. 1 is a photograph of the tile effect after firing of glaze A1;
FIG. 2 is a photograph of the tile effect after firing of glaze A2;
FIG. 3 is a photograph of the tile effect after firing of glaze A3;
FIG. 4 is a photograph of the tile effect after firing of glaze A5;
FIG. 5 is a photograph of the tile effect after firing of glaze A5;
FIG. 6 is a photograph of the tile effect after firing of glaze B1;
FIG. 7 is a photograph of the tile effect after firing of glaze B2;
fig. 8 is a photograph showing the effect of the tile after firing of glaze B3.
Detailed Description
In a first aspect of the present invention, there is provided:
a glaze with silver spot effect comprises the following chemical compositions after being fired: SiO 22 50～70%、Al2O3 8～15%、Fe2O3 5～10%、CaO 2～8%、MgO 2～8%、K2O 3～10%、Na2O 0～5%、MnO 2～5%、P2O5 0.3～2%、TiO2 0～2%、Co3O4 1-2%, the rest being loss of ignition and inevitable impurities.
In some examples, the post-firing chemical composition is: SiO 22 50～60%、Al2O3 10～13%、Fe2O3 7～8%、CaO 4～6%、MgO 4～5%、K2O 5～10%、Na2O 1～4%、MnO 2～5%、P2O5 0.3～2%、TiO2 0～2%、Co3O4 1-2%, the rest is loss of ignitionAnd (4) inevitable impurities.
In some examples, the post-firing chemical composition is: SiO 22 52～54%、Al2O3 11～11.55%、Fe2O3 7～8%、CaO 5～5.32%、MgO 4～5%、K2O 6～9%、Na2O 2～3%、MnO 3～4.25%、P2O5 0.5～1.11%、TiO2 0～0.2%、Co3O4 1-2%, the rest being loss of ignition and inevitable impurities.
In view of the reactions during firing, in some examples, the raw materials consist of: 50-70 parts of potash feldspar, 7-13 parts of quartz, 3-15 parts of kaolin, 15-20 parts of talc, 8-10 parts of limestone, 5-12 parts of iron oxide red, 3-4 parts of cobalt, 0-2 parts of manganese and 1-2 parts of calcium phosphate.
In some examples, the raw materials consist of: 50-60 parts of potash feldspar, 7-9 parts of quartz, 3-10 parts of kaolin, 15-18 parts of talc, 8-10 parts of limestone, 5-12 parts of iron oxide red, 3-4 parts of cobalt, 0-2 parts of manganese and 1-2 parts of calcium phosphate.
In some examples, the total mass content of ignition loss and impurities does not exceed 8%, preferably does not exceed 5%.
In a second aspect of the present invention, there is provided:
a glaze slip comprising a solvent and an adjuvant, wherein the glaze is as defined in the first aspect of the invention.
The solvent and the auxiliary agent are common solvents in the ceramic glaze slurry, and the solvent can be water. The auxiliary agent includes but is not limited to dispersing agent, reinforcing agent, defoaming agent, and concretely can be carboxymethyl cellulose, sodium tripolyphosphate, dimethyl silicone oil, etc. Those skilled in the art can select the appropriate one as required
In a third aspect of the present invention, there is provided:
a ceramic comprising a body obtained by applying a glaze slip containing the glaze of the first aspect of the present invention on the body and then firing.
In some examples, the firing temperature is 1170-1250 ℃.
In some examples, the glazing thickness of the glaze slip is 0.5mm to 0.8 mm.
In some examples, the glaze slip has a specific gravity of 1.7 to 1.9.
The technical scheme of the invention is further explained by combining the examples.
The chemical mass composition of each example is shown in table 1:
in the table: a stands for example and B for comparative example, representing no use.
The raw materials comprise, by mass, 50-60 parts of potash feldspar, 7-9 parts of quartz, 3-10 parts of kaolin, 15-18 parts of talc, 8-10 parts of limestone, 5-12 parts of iron oxide red, 3-4 parts of cobalt, 0-2 parts of manganese and 1-2 parts of calcium phosphate.
Preparing glaze slip:
the glaze materials, conventional solvent and auxiliary agent are ground together to obtain stable glaze slip, for the sake of convenience and comparison, the specific gravity of the glaze slip is uniformly regulated to 1.8, and glaze slips A1, A2, A3, A4, A5, B1, B2 and B3 are respectively obtained.
Preparing the ceramic:
a1: the glaze slip A1 is distributed on the green brick with the overglaze by a glaze scraper with 0.5mm, and the green brick is fired at 1190 ℃.
A2: a2 glaze slurry is spread on the glazed adobe by a 0.6mm glaze scraper and then fired at 1170 ℃.
A3: the glaze slip A3 is distributed on the green brick with the overglaze distributed thereon by a 0.8mm glaze scraper, and the green brick is fired at 1200 ℃.
A4 spreading glaze slurry A4 on the glazed brick blank with 0.5mm glaze scraper, and sintering at 1200 deg.C
A5: spreading glaze slip A5 on the glazed brick blank with 0.5mm glaze scraper, and sintering at 1200 deg.C
B1: the glaze slip B1 is distributed on the green brick with the overglaze by a glaze scraper with 0.5mm, and the green brick is fired at 1190 ℃.
B2: the glaze slip B2 was applied to the overglaze-applied green brick with a 0.6mm glaze scraper and fired at 1170 ℃.
B3: the glaze slip B3 is distributed on the green brick with the overglaze by a 0.8mm glaze scraper and is sintered at 1200 ℃.
As a result:
the ceramic tile of A1 has smooth glaze surface, no foaming or wrinkling phenomenon, uniform and dense silver spot pattern on the surface, and bright contrast with dark glaze layer ground color. The color spots are 0.5 mm-1.5 mm in size, uniform and dense (figure 1).
The ceramic tile of A2 has smooth glaze surface, no foaming and less wrinkling, and the surface generated patterns have proper silver spot patterns and are in sharp contrast with the dark ground glaze (figure 2).
The ceramic tile of A3 has smooth glaze surface, no foaming or wrinkling phenomenon, silver speckled pattern on the surface, and small silver speckled pattern (figure 3).
The ceramic tile of A4 has smooth glaze, no wrinkle, less foaming, silver mottled pattern on its surface, and uniform pattern size (fig. 4)
The ceramic tile of A5 has smooth glaze surface, less wrinkles and less foaming, and has silver spot pattern on the surface. (FIG. 5)
The tile of B1 had smooth glaze and no wrinkles, but the amount of potash feldspar was out of range, and the effect of silvery spots on the glaze was almost not seen (FIG. 6).
The tile of B2 has smooth glaze surface without wrinkles, but has large color change and no silver mottling effect because the dosage of iron oxide red is out of the range. (FIG. 7).
The ceramic tile of B3 has serious glaze depression, and small and uneven silver spots due to the use amount of calcium phosphate out of the range. (FIG. 8).
The foregoing is a more detailed description of the invention and is not to be taken in a limiting sense. It will be apparent to those skilled in the art that simple deductions or substitutions without departing from the spirit of the invention are within the scope of the invention.
Claims (10)
1. A glaze with silver spot effect is characterized in that:
the chemical composition after sintering is as follows: SiO 22 50～70%、Al2O3 8～15%、Fe2O3 5～10%、CaO2～8%、MgO 2～8%、K2O3～10%、Na2O 0～5%、MnO 2～5%、P2O5 0.3～2%、TiO2 0～2%、Co3O4 1-2%, the rest being loss of ignition and inevitable impurities.
2. The glaze according to claim 1, wherein: the raw materials comprise: 50-70 parts of potash feldspar, 7-13 parts of quartz, 3-15 parts of kaolin, 15-20 parts of talc, 8-10 parts of limestone, 5-12 parts of iron oxide red, 3-4 parts of cobalt, 0-2 parts of manganese and 1-2 parts of calcium phosphate.
3. The glaze according to claim 1, wherein: the chemical composition after sintering is as follows: SiO 22 50～60%、Al2O3 10～13%、Fe2O3 7～8%、CaO 4～6%、MgO 4～5%、K2O 5～10%、Na2O 1～4%、MnO 2～5%、P2O5 0.3～2%、TiO2 0～2%、Co3O4 1-2%, the rest being loss of ignition and inevitable impurities.
4. The glaze according to claim 2, wherein: the raw materials comprise: 50-60 parts of potash feldspar, 7-9 parts of quartz, 3-10 parts of kaolin, 15-18 parts of talc, 8-10 parts of limestone, 5-12 parts of iron oxide red, 3-4 parts of cobalt, 0-2 parts of manganese and 1-2 parts of calcium phosphate.
5. The glaze according to any one of claims 1 to 4, wherein: the total mass content of the burning and impurities is not more than 8 percent.
6. The glaze slip comprises a solvent and an auxiliary agent, and is characterized in that: the glaze material according to any one of claims 1 to 5.
7. A ceramic comprising a body characterized by: the glaze slurry is applied to the body and then fired, wherein the glaze slurry contains the glaze material according to any one of claims 1 to 5.
8. The ceramic of claim 7, wherein: the sintering temperature is 1170-1250 ℃.
9. The ceramic of claim 7, wherein: the glazing thickness of the glaze slip is 0.5 mm-0.8 mm.
10. The ceramic according to any one of claims 7 to 9, wherein: the specific gravity of the glaze slip is 1.7-1.9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111404669.3A CN113912295A (en) | 2021-11-24 | 2021-11-24 | Medium-low temperature fast-firing glaze with silver spot effect and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111404669.3A CN113912295A (en) | 2021-11-24 | 2021-11-24 | Medium-low temperature fast-firing glaze with silver spot effect and application thereof |
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| CN113912295A true CN113912295A (en) | 2022-01-11 |
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| CN114790122A (en) * | 2022-04-24 | 2022-07-26 | 福建省德化县瓷国文化有限公司 | Metal glaze ceramic with furnace transmutation silvery spots and preparation method thereof |
| CN116535096A (en) * | 2023-05-12 | 2023-08-04 | 陕西科技大学 | Silver glaze building cup with earthworm mud pattern and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790122A (en) * | 2022-04-24 | 2022-07-26 | 福建省德化县瓷国文化有限公司 | Metal glaze ceramic with furnace transmutation silvery spots and preparation method thereof |
| CN116535096A (en) * | 2023-05-12 | 2023-08-04 | 陕西科技大学 | Silver glaze building cup with earthworm mud pattern and preparation method thereof |
| CN116535096B (en) * | 2023-05-12 | 2024-10-29 | 陕西科技大学 | Silver glaze building cup with earthworm mud pattern and preparation method thereof |
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