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Spherical three-dimensional cracking copper blue glaze and preparation method thereof

A spherical and three-dimensional technology, which is applied in the field of spherical three-dimensional cracked copper blue glaze and its preparation, can solve the problems of poor hydrolysis resistance of glaze surface and rare museums, and achieve bright and pure glaze color, adding beauty and improving hydrolysis resistance. Effect

Active Publication Date: 2021-04-09
SHANDONG GUIYUAN ADVANCED CERAMICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It cannot be seen in major markets, and it is rarely seen even in museums
Some caviar imitation products on the market have a very big problem: the hydrolysis resistance of the glaze is poor, please see the attached picture for details figure 1
However, its glaze has poor hydrolysis resistance

Method used

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  • Spherical three-dimensional cracking copper blue glaze and preparation method thereof
  • Spherical three-dimensional cracking copper blue glaze and preparation method thereof
  • Spherical three-dimensional cracking copper blue glaze and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The weight percent of the spherical three-dimensional cracked copper blue glaze raw materials is composed of: 31% of quartz, 0% of potassium feldspar, 2% of borax, 1% of aluminum oxide, 5.5% of lead silicate, 28% of potassium nitrate, 0.3% of alkali powder, oxide Copper 3%, sodium silicate 27%, zircon powder 1.2%, zinc oxide 1%.

[0037] The preparation steps are:

[0038] First, ingredients, weigh the raw materials, put them into the mill, grind them, mix them evenly, and pass the mill through a 120-mesh sieve;

[0039] Second, glazing, the surface of the 85 alumina body is evenly glazed and glazed several times, and the thickness of the glaze layer is 1.3mm;

[0040] Third, firing, the heating system is: room temperature to 500°C, the heating rate is 3.5°C / min; 500 to 700°C, the heating rate is 2°C / min; 25min.

[0041] The real picture of the product of embodiment 1 is shown in the appendix image 3 .

Embodiment 2

[0043] The weight percent of the spherical three-dimensional cracked copper blue glaze raw materials is composed of: 25% of quartz, 6% of potassium feldspar, 2.5% of borax, 1.2% of aluminum oxide, 5% of lead silicate, 26% of potassium nitrate, 0.2% of alkali powder, oxide Copper 4.1%, sodium silicate 28%, zircon powder 1%, zinc oxide 1%.

[0044] The preparation steps are:

[0045] First, ingredients, weigh the raw materials and water, put into the mill, grind, mix, and pass through a 120-mesh sieve after milling;

[0046] Second, glazing, the surface of the 85 alumina body is evenly brushed and glazed several times, and the thickness of the glaze layer is 1.2mm;

[0047] Third, firing, the heating system is: room temperature to 500°C, the heating rate is 3.5°C / min; 500-700°C, the heating rate is 2.3°C / min; 20min.

[0048] The real picture of the product of embodiment 2 is shown in the appendix Figure 4 .

Embodiment 3

[0059] The weight percent of the spherical three-dimensional cracked copper blue glaze raw materials is composed of: 33% of quartz, 2% of potassium feldspar, 1% of borax, 1.5% of aluminum oxide, 8% of lead silicate, 23% of potassium nitrate, 0.1% of alkali powder, oxide Copper 2%, sodium silicate 26%, zircon powder 1.4%, zinc oxide 2%.

[0060] The preparation steps are:

[0061] First, ingredients, weigh the raw materials and water, install the mill, grind and mix;

[0062] Second, glazing, evenly and repeatedly brushing the glaze on the surface of the green body, the thickness of the glaze layer is 1.5mm;

[0063] Third, firing, the heating system is: room temperature to 500°C, the heating rate is 3.5°C / min; 500-700°C, the heating rate is 2.5°C / min; 20min.

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Abstract

The invention belongs to the technical field of art ceramics, and particularly relates to spherical three-dimensional cracking copper blue glaze and a preparation method thereof. The spherical three-dimensional cracking copper blue glaze is prepared from the following raw materials in percentage by weight: 20-40% of quartz, 0-10% of potassium feldspar, 0-10% of borax, 0.1-5% of aluminum oxide, 3-10% of lead silicate, 20-40% of potassium nitrate, 0.1-2% of alkali powder, 20-40% of sodium silicate, 1-5% of zircon powder, 0.5-3% of zinc oxide and 0.5-10% of copper oxide. According to the invention, an aqueous solution of sodium silicate is used as an adhesive, Na2O is introduced, the spherical three-dimensional cracked copper blue glaze is successfully prepared through multiple glazing and segmented firing processes, the glaze color is bright and pure, such as peacock blue feathers, spherical three-dimensional roe patterns formed in deep glaze layers are good in stability, and the hydrolysis resistance of the glaze surface is improved by more than 10 times; the preparation method is scientific, reasonable, simple and feasible.

Description

technical field [0001] The invention belongs to the technical field of artistic ceramics, and in particular relates to a spherical three-dimensional cracked copper blue glaze and a preparation method thereof. Background technique [0002] Crackle glaze is a traditional decorative art of porcelain. Its production mechanism is: when the expansion coefficient of the glaze is greater than that of the body, the shrinkage of the glaze layer is greater than that of the body during the cooling process of the body, and the glaze is affected by the body. Tensile stress, when the tensile stress exceeds the tensile strength of the glaze layer, there will be network cracks that cause the glaze layer to break. Glaze cracks are originally a defect in firing, but when the glaze cracks of some products are very special, they are sparse or dense, thick or thin, long or short, curved or straight, and look like cracks. , crab claws or ice cracks, the texture is uniform and clear, covering the ...

Claims

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Application Information

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IPC IPC(8): C03C8/00C04B41/86
CPCC03C8/00C04B41/5022C04B41/86
Inventor 刘凯民张儒岭陈化东任允鹏桑爱美张金钊
Owner SHANDONG GUIYUAN ADVANCED CERAMICS