CN102190482A - Daily use ceramics and preparation method thereof - Google Patents
Daily use ceramics and preparation method thereof Download PDFInfo
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- CN102190482A CN102190482A CN2010101239825A CN201010123982A CN102190482A CN 102190482 A CN102190482 A CN 102190482A CN 2010101239825 A CN2010101239825 A CN 2010101239825A CN 201010123982 A CN201010123982 A CN 201010123982A CN 102190482 A CN102190482 A CN 102190482A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000004927 clay Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000295 fuel oil Substances 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 238000002791 soaking Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 229910052793 cadmium Inorganic materials 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 229910008556 Li2O—Al2O3—SiO2 Inorganic materials 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004031 devitrification Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
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- Glass Compositions (AREA)
Abstract
The invention relates to the field of daily use ceramics, in particular to daily use ceramics and a preparation method thereof, wherein, the blank for the daily use ceramics comprises 7-10wt% Li2O, 30-33wt% Al2O3, and 58-62wt% SiO2; the glaze comprises 48-52% SiO2, 28-31wt% Al2O3, 6-9wt% Li2O, 1-2wt% ZrO2, 2-3wt% P2O5, 2-3wt% TiO2, 0.5-1.5wt% Na2O, 0.5-1.5wt% K2O, 2-4wt% B2O3, and 0.5-1.5wt% PbO; and 4-6 wt% clay is added into the glaze in addition before glazing. Compared with the prior art, the preparation method in the invention, by improving the formulas of the blank and the glaze and the firing process, allows the water absorption to be changed from 3.5% to less than 15%, meeting the requirement of users, improving the heat preservation of the products, reducing the sintering temperature to about 40 DEG C, and reducing the cost greatly.
Description
Technical field
The present invention relates to the domestic ceramics field, be meant a kind of domestic ceramics and manufacture method thereof especially.
Background technology
Particularly heat-stable ceramic pot ubiquity visual appearance is relatively poor, surface characteristic is coarse, whiteness is lower, plumbous quantity of cadmium release is higher and production cost occupies problems such as Gao Buxiao, heat-insulating property are lower for domestic ceramics of the prior art, its reason is that mainly blank, glaze formula are not good, calcining system falls behind, and is that mainly using expensive triphane in a large number is main low bulk raw material and production cost is high.
Summary of the invention
Main purpose of the present invention is to overcome the ubiquitous blank of heat-resisting domestic ceramics in the prior art, glaze formula visual appearance not good, that the calcining system backwardness causes is relatively poor, surface characteristic is coarse, whiteness is lower, the more high shortcoming of plumbous quantity of cadmium release, and a kind of domestic ceramics and manufacture method thereof are provided.
Another object of the present invention is to overcome because blank is a large amount of and use expensive triphane to occupy high no small shortcoming, a kind of domestic ceramics and manufacture method thereof of using less triphane is provided as the production cost that main low bulk raw material causes.
The present invention adopts following technical scheme:
A kind of domestic ceramics,
Its blank chemical constitution by weight percentage is Li
2O 7-10%, Al
2O
330-33%, SiO
258-62%;
Its glaze chemical constitution by weight percentage is SiO
248-52%, Al
2O
328-31%, Li
2O 6-9%, ZrO
21-2%, P
2O
52-3%, TiO
22-3%, Na
2O 0.5-1.5%, K
2O 0.5-1.5%, B
2O
32-4%, PbO 0.5-1.5%; And before glazing, in glaze water, add in addition the clay of 4-6%.
Preferably, its blank chemical constitution by weight percentage is Li
2O 8.5%, Al
2O
331.5%, SiO
260%;
Preferably, its glaze chemical constitution by weight percentage is SiO
250.4%, Al
2O
329.2%, Li
2O 7.7%, ZrO
21.7%, P
2O
52.6%, TiO
22.6%, Na
2O 1.0%, K
2O 1.0%, B
2O
32.8%, PbO 1.0%; And before glazing, in glaze water, add in addition 5% clay.
Preferably, weight percentage＜30% of triphane in the mineral composition of formation blank.
The manufacture method of aforementioned pottery,
Its temperature schedule of burning till is as follows: at first from room temperature-300 ℃, and time spent 1.5h; From 300-950 ℃, time spent 2h; From 950-1300 ℃, time spent 3.5h, and at 1300 ℃ of insulation 1h; From 1300-750 ℃, time spent 1.5h, and, let alone naturally cooling after the insulation at 750 ℃ of insulation 1h;
The atmosphere system that it burns till is as follows: fire by fuel oil tunnel furnace oxidizing atmosphere, room temperature-950 ℃ is the weak oxide atmosphere stage, and wherein free oxygen content is controlled at 2 ± 0.2% during room temperature-300 ℃, and free oxygen content rises to 5 ± 0.2% gradually in the time of 300-950 ℃; 950-1300 ℃ is the strong oxidizing atmosphere stage, and free oxygen content is controlled at 8-10%, and coefficient of excess air is controlled at 1.1-1.3;
Its pressure regime that burns till is as follows: pressure is negative pressure when preheating zone, room temperature-300 ℃, be controlled at＜-3mmH
2The O post; Clinkering zone, pressure rises to pressure-fired by little negative pressure in the time of 300-1300 ℃, is controlled at-0.5-0.5mmH
2The O post; Cooling zone, the pressure during 1300 ℃-product kiln discharge temperature in the kiln is malleation.
By the above-mentioned description of this invention as can be known, and in conjunction with ceramic mass supervision and inspection station, Fujian Province to the detected result of product as can be known, a kind of domestic ceramics of the present invention and manufacture method thereof have following beneficial effect:
One, the present invention is by improving difficult problems such as blank, glaze formula, firing process, make product the water-intake rate index by 3.5% change into≤15%, not only can satisfy user's service requirements, and can improve the heat-insulating property of product, can also reduce about 40 ℃ of firing temperature, reduce production cost of products significantly;
Two, the present invention is by improving difficult problems such as blank, glaze formula, firing process, and before glazing, in glaze water, add the clay of 4-6% in addition and be aided with strictness and control the measures such as soaking time of the section of burning till and 750 ℃ of cooling sections to promote crystallization, make domestic ceramics of the present invention have higher thermostability, have pure white pure, the free of pinholes of appearance luster, immaculate, surfacing again, advantage such as plumbous quantity of cadmium release is lower;
Three, the present invention adopts domestic raw material to replace expensive triphane as main low bulk raw material, reduces production cost of products significantly.
Embodiment
Below by embodiment the present invention is further specified.
Embodiment one
A kind of domestic ceramics is example at this to make ceramic pot,
Blank formulation: be according to Li
2O-Al
2O
3-SiO
2Existing β-triphane sosoloid thermal expansivity in the system is the zone of negative, and through repetition test, obtaining its blank chemical constitution by weight percentage is Li
2O 8.5%, Al
2O
331.5%, SiO
260%; Mineral composition is triphane (Li
2OAl
2O
34SiO
2) 28%, kaolin (Al
2O
32SiO
22H
2O) 20%, wilkinite (Al
2O
34SiO
2H
2OnH
2O) 3%, attaclay 19%, quartzy (SiO
2) 21%, mullite (3Al
2O
32SiO
2) and trichroite (2MgO2Al
2O
35SiO
2) 9%;
Glaze formula: be according to the coefficient of expansion of product glaze layer and the coefficient of expansion of base substrate are close, and form hard transition layer with the base substrate good combination, make product satisfy the visual appearance requirement of domestic ceramics again, through repetition test, obtaining its glaze chemical constitution by weight percentage is SiO
250.4%, Al
2O
329.2%, Li
2O 7.7%, ZrO
21.7%, P
2O
52.6%, TiO
22.6%, Na
2O 1.0%, K
2O 1.0%, B
2O
32.8%, PbO 1.0%; For improving the surface gloss and the thermostability of product, before glazing, in glaze water, add 5% clay in addition, and strict control when burning till soaking time and the soaking time of 750 ℃ of cooling sections, to promote crystallization, make the glaze devitrification and in glaze, be full of the triphane crystallization.
The temperature schedule that this ceramic pot burns till is as follows: at first from room temperature-300 ℃, and time spent 1.5h; From 300-950 ℃, time spent 2h; From 950-1300 ℃, time spent 3.5h, and at 1300 ℃ of insulation 1h; From 1300-750 ℃, time spent 1.5h, and, let alone naturally cooling after the insulation at 750 ℃ of insulation 1h;
The atmosphere system that this ceramic pot burns till is as follows: fire by fuel oil tunnel furnace oxidizing atmosphere, room temperature-950 ℃ is the weak oxide atmosphere stage, and wherein room temperature-300 ℃ is the preheating zone, is the heating evaporation stage, and free oxygen content is controlled at about 2%; 300-950 ℃ is oxygenolysis and crystal formation transformation stage, carries out smoothly for impelling oxidative decomposition such as sulfide in the base substrate, organism, carbonate and carbon element, and oxidizing atmosphere should be strengthened gradually by weak, and free oxygen content rises to about 5% by 2% gradually; 950-1300 ℃ is the strong oxidizing atmosphere stage, and free oxygen content is controlled at 8-10%, and coefficient of excess air is controlled at 1.1-1.3;
The pressure regime that this ceramic pot burns till is as follows: pressure is negative pressure when preheating zone, room temperature-300 ℃, be controlled at＜-3mmH
2The O post; Clinkering zone, pressure rises to pressure-fired by little negative pressure in the time of 300-1300 ℃, is controlled at-0.5-0.5mmH
2The O post; Cooling zone, the pressure during 1300 ℃-product kiln discharge temperature in the kiln is malleation.
The ceramic pot that makes is delivered to ceramic mass supervision and inspection station, Fujian Province learn that after testing its quality index is as follows: water-intake rate≤13%, whiteness 〉=77.6, thermostability: lead release≤0.10mg/L is not split in 400 ℃ of-20 ℃ of heat exchanges.
Embodiment two
A kind of domestic ceramics is example at this to make ceramic pot,
Blank formulation: be according to Li
2O-Al
2O
3-SiO
2Existing β-triphane sosoloid thermal expansivity in the system is the zone of negative, and through repetition test, obtaining its blank chemical constitution by weight percentage is Li
2O 7.5%, Al
2O
330.5%, SiO
262%;
Glaze formula: be according to the coefficient of expansion of product glaze layer and the coefficient of expansion of base substrate are close, and form hard transition layer with the base substrate good combination, make product satisfy the visual appearance requirement of domestic ceramics again, through repetition test, obtaining its glaze chemical constitution by weight percentage is SiO
249.4%, Al
2O
330.2%, Li
2O 7.4%, ZrO
22.0%, P
2O
52.4%, TiO
22.8%, Na
2O 0.8%, K
2O 1.2%, B
2O
32.6%, PbO 1.2%; For improving the surface gloss and the thermostability of product, before glazing, in glaze water, add 4.5% clay in addition, and strict control when burning till soaking time and the soaking time of 750 ℃ of cooling sections, to promote crystallization, make the glaze devitrification and in glaze, be full of the triphane crystallization.
The temperature schedule that this ceramic pot burns till is as follows: at first from room temperature-300 ℃, and time spent 1.5h; From 300-950 ℃, time spent 2h; From 950-1300 ℃, time spent 3.5h, and at 1300 ℃ of insulation 1h; From 1300-750 ℃, time spent 1.5h, and, let alone naturally cooling after the insulation at 750 ℃ of insulation 1h;
The atmosphere system that this ceramic pot burns till is as follows: fire by fuel oil tunnel furnace oxidizing atmosphere, room temperature-950 ℃ is the weak oxide atmosphere stage, and wherein room temperature-300 ℃ is the preheating zone, is the heating evaporation stage, and free oxygen content is controlled at about 2%; 300-950 ℃ is oxygenolysis and crystal formation transformation stage, carries out smoothly for impelling oxidative decomposition such as sulfide in the base substrate, organism, carbonate and carbon element, and oxidizing atmosphere should be strengthened gradually by weak, and free oxygen content rises to about 5% by 2% gradually; 950-1300 ℃ is the strong oxidizing atmosphere stage, and free oxygen content is controlled at 8-10%, and coefficient of excess air is controlled at 1.1-1.3;
The pressure regime that this ceramic pot burns till is as follows: pressure is negative pressure when preheating zone, room temperature-300 ℃, be controlled at＜-3mmH
2The O post; Clinkering zone, pressure rises to pressure-fired by little negative pressure in the time of 300-1300 ℃, is controlled at-0.5-0.5mmH
2The O post; Cooling zone, the pressure during 1300 ℃-product kiln discharge temperature in the kiln is malleation.
The ceramic pot that makes is delivered to ceramic mass supervision and inspection station, Fujian Province learn that after testing its quality index is as follows: water-intake rate≤13%, whiteness 〉=77.6, thermostability: lead release≤0.10mg/L is not split in 400 ℃ of-20 ℃ of heat exchanges.
Above-mentioned only is two embodiments of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (4)
1. domestic ceramics is characterized in that:
Its blank chemical constitution by weight percentage is Li
2O 7-10%, Al
2O
330-33%, SiO
258-62%;
Its glaze chemical constitution by weight percentage is SiO
248-52%, Al
2O
328-31%, Li
2O 6-9%, ZrO
21-2%, P
2O
52-3%, TiO
22-3%, Na
2O 0.5-1.5%, K
2O 0.5-1.5%, B
2O
32-4%, PbO 0.5-1.5%; And before glazing, in glaze water, add in addition the clay of 4-6%.
2. pottery as claimed in claim 1 is characterized in that:
Its blank chemical constitution by weight percentage is Li
2O 8.5%, Al
2O
331.5%, SiO
260%;
Its glaze chemical constitution by weight percentage is SiO
250.4%, Al
2O
329.2%, Li
2O 7.7%, ZrO
21.7%, P
2O
52.6%, TiO
22.6%, Na
2O 1.0%, K
2O 1.0%, B
2O
32.8%, PbO 1.0%; And before glazing, in glaze water, add in addition 5% clay.
3. pottery as claimed in claim 1 or 2 is characterized in that: weight percentage＜30% of triphane in the mineral composition of formation blank.
4. the manufacture method of claim 1 or 2 described potteries is characterized in that:
Its temperature schedule of burning till is as follows: at first from room temperature-300 ℃, and time spent 1.5h; From 300-950 ℃, time spent 2h; From 950-1300 ℃, time spent 3.5h, and at 1300 ℃ of insulation 1h; From 1300-750 ℃, time spent 1.5h, and, let alone naturally cooling after the insulation at 750 ℃ of insulation 1h;
The atmosphere system that it burns till is as follows: fire by fuel oil tunnel furnace oxidizing atmosphere, room temperature-950 ℃ is the weak oxide atmosphere stage, and wherein free oxygen content is controlled at 2 ± 0.2% during room temperature-300 ℃, and free oxygen content rises to 5 ± 0.2% gradually in the time of 300-950 ℃; 950-1300 ℃ is the strong oxidizing atmosphere stage, and free oxygen content is controlled at 8-10%, and coefficient of excess air is controlled at 1.1-1.3;
Its pressure regime that burns till is as follows: pressure is negative pressure when preheating zone, room temperature-300 ℃, be controlled at＜-3mmH
2The O post; Clinkering zone, pressure rises to pressure-fired by little negative pressure in the time of 300-1300 ℃, is controlled at-0.5-0.5mmH
2The O post; Cooling zone, the pressure during 1300 ℃-product kiln discharge temperature in the kiln is malleation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010123982 CN102190482B (en) | 2010-03-08 | 2010-03-08 | Daily use ceramics and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010123982 CN102190482B (en) | 2010-03-08 | 2010-03-08 | Daily use ceramics and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102190482A true CN102190482A (en) | 2011-09-21 |
| CN102190482B CN102190482B (en) | 2013-08-07 |
Family
ID=44599458
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|---|---|---|---|
| CN 201010123982 Expired - Fee Related CN102190482B (en) | 2010-03-08 | 2010-03-08 | Daily use ceramics and preparation method thereof |
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Cited By (6)
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| CN103771828A (en) * | 2014-01-04 | 2014-05-07 | 安徽省含山瓷业股份有限公司 | Domestic ceramic product with excellent thermal shock resistance |
| CN103771830A (en) * | 2014-01-04 | 2014-05-07 | 安徽省含山瓷业股份有限公司 | Domestic ceramic product containing nanometer aluminium oxide |
| CN103787646A (en) * | 2014-01-04 | 2014-05-14 | 安徽省含山瓷业股份有限公司 | Rutile-containing domestic ceramic product with high glossiness |
| CN109678184A (en) * | 2018-12-19 | 2019-04-26 | 福建省万旗科技陶瓷有限公司 | A method of to prepare environmentally friendly domestic ceramics using aluminum profile pulp thickening aluminium hydroxide |
| CN112624613A (en) * | 2020-12-23 | 2021-04-09 | 山东硅元新型材料股份有限公司 | Spherical three-dimensional cracking copper blue glaze and preparation method thereof |
| CN113336534A (en) * | 2021-06-28 | 2021-09-03 | 武汉理工大学 | Low-thermal-expansion domestic ceramic free of lithium minerals and preparation method thereof |
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| CN109678184A (en) * | 2018-12-19 | 2019-04-26 | 福建省万旗科技陶瓷有限公司 | A method of to prepare environmentally friendly domestic ceramics using aluminum profile pulp thickening aluminium hydroxide |
| CN112624613A (en) * | 2020-12-23 | 2021-04-09 | 山东硅元新型材料股份有限公司 | Spherical three-dimensional cracking copper blue glaze and preparation method thereof |
| CN112624613B (en) * | 2020-12-23 | 2022-06-07 | 山东硅元新型材料股份有限公司 | Spherical three-dimensional cracking copper blue glaze and preparation method thereof |
| CN113336534A (en) * | 2021-06-28 | 2021-09-03 | 武汉理工大学 | Low-thermal-expansion domestic ceramic free of lithium minerals and preparation method thereof |
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