CN108772939B - blank for glaze test and preparation method thereof - Google Patents
blank for glaze test and preparation method thereof Download PDFInfo
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- CN108772939B CN108772939B CN201810535326.2A CN201810535326A CN108772939B CN 108772939 B CN108772939 B CN 108772939B CN 201810535326 A CN201810535326 A CN 201810535326A CN 108772939 B CN108772939 B CN 108772939B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/26—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
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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
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
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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
- 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
- C04B35/14—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 silica
-
- 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
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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
- 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
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
Abstract
The invention provides a blank body for glaze test and a preparation method thereof, wherein the blank body comprises the following steps: three-dimensionally scanning a plurality of ceramic articles to obtain a plurality of surface shapes of the ceramic articles; integrating various surface shapes of the obtained ceramic ware into a blank body shape, wherein the blank body shape comprises a glazing surface, a base and a flow-retarding glaze region positioned between the glazing surface and the base, and the glazing surface comprises a recording region; and (3) making the shape of the obtained blank into a model, turning the model into a mould, and preparing the blank for testing the glaze by adopting the mould through a slip casting method.
Description
Technical Field
The invention relates to a blank body for glaze test and a preparation method thereof, belonging to the technical field of ceramic glaze materials.
Background
the glaze is a vitreous thin layer fused on the surface of the ceramic product, and the glaze layer can improve the strength of the ceramic product, has the functions of seepage prevention, pollution resistance and beautifying and decoration, and is widely applied to the surface of the ceramic ware. When the glaze is fired, the original substances in the glaze are decomposed and melted, bubbles are generated and float to the surface, and the glaze reacts with the green body therebelow [ W.D. Kingery et al, ceramics introduction, Beijing: advanced education Press, 2010,463] to form an intermediate layer. Therefore, the glaze layer thickness or the blank surface shape can influence the change of appearance characteristics such as color or texture of the ceramic ware, including the property effects of the glaze such as melting temperature, melt viscosity, expansion coefficient and the like. That is, it is feasible to evaluate the process properties of the glaze from the appearance characteristics. In the aspects of ceramic industrial art design innovation, ceramic ware production and manufacture, ceramic product quality management, ceramic glaze popularization and application and the like, a user can quickly and intuitively evaluate the technological performance and appearance characteristics of the ceramic ware by depending on a glaze sample, and the glaze sample manufacture is one of important technological links of ceramic production and manufacture. The ceramic ware often comprises abundant surface shapes, so that the surface shape characteristics or distribution of a sample blank are very important when the ceramic ware is used as a carrier of ceramic glaze, the ceramic ware has an important role in correctly, fully and visually evaluating the technological performance, appearance characteristics and the like of the glaze, and the good sample can reflect the appearance characteristics of the finished ceramic ware to the maximum extent.
However, the existing green body for glaze test has the defects of random manufacture, undersize and too little surface shape, cannot sufficiently reflect the technological property and appearance characteristic of the ceramic glaze, and has low comparability among samples [ John Britt. the complex sizing high-fire glazes: glazing & curing at con 10.New York, Lark, an Imprint of Sterling Publishing Co., Inc. 2004; zhengning, glaze of pottery art Beijing, Qinghua university Press, 2005; and John Britt.the complex guide to mid-range glazes, glazing & decorating at comes 4-7, New York, Lark, an Imprint of Sterling Publishing Co., Inc.2014, so that correct and full visual evaluation on the process performance and appearance characteristics of the sample is difficult, and adverse effects are generated on the innovative development and popularization and application of the ceramic glaze, even sample waste and resource loss are caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a blank for intuitively evaluating the technological performance and appearance characteristics of glaze and a preparation method thereof.
In one aspect, the present invention provides a method for preparing a green body for a glaze test, comprising:
Three-dimensionally scanning a plurality of ceramic articles to obtain a plurality of surface shapes of the ceramic articles;
integrating various surface shapes of the obtained ceramic ware into a blank body shape, wherein the blank body shape comprises a glazing surface, a base and a flow-retarding glaze region positioned between the glazing surface and the base, and the glazing surface comprises a recording region;
And (3) making the shape of the obtained blank into a model, turning the model into a mould, and preparing the blank for testing the glaze by adopting the mould through a slip casting method.
Preferably, the plurality of ceramic articles comprise furnishing ceramics or domestic ceramics.
Preferably, the recording area is a vertical plane.
Also, preferably, the recording area further includes a vertical scale for inspecting the high temperature viscosity of the ceramic glaze.
preferably, the glazing surface further comprises at least one of a transverse concave surface, a convex surface at a vertex angle, a longitudinal curved surface, a vertical plane, a vertical concave surface, a corrugated surface, a vertex angle, a transverse ridge, a curved ridge, a vertical straight ridge, a vertical corrugated ridge and an oblique gradually-disappearing ridge.
Preferably, the mold is a plaster mold or a mold made of a porous material having water absorption.
Preferably, the slip casting method is a hollow slip casting method: and injecting the slurry into a mold, discharging the residual slurry after the slurry is partially solidified in the mold to form a mud layer, and drying and demolding to obtain the blank for the test glaze. Specifically, adding water into a blank for manufacturing the blank to prepare slurry, injecting the slurry into a mold, allowing the slurry to contact the mold surface to condense a mud layer due to the water absorption effect of the mold after the slurry stays in the mold for a period of time, discharging the excess slurry in the mold when the mud layer reaches a proper thickness, and drying and demolding the mud layer in the mold to obtain the blank for testing glaze.
in another aspect, the invention also provides a blank for the glaze test prepared according to the preparation method.
The invention has the beneficial effects that: the preparation is standard, and the comparability between samples is improved; the green body has the typical surface shape of common ceramic ware, and multiple surfaces or edge lines can present the technological performance and appearance characteristics of the ceramic glaze at multiple angles; the influence of the thickness of the glaze layer on the appearance can be reflected; the recording conditions for inspecting the technological properties of the ceramic glaze such as high-temperature viscosity and the like are increased, and the blocking flow glaze area parallel to the bottom surface can effectively protect kiln furniture.
drawings
FIG. 1 is a front view of a green body for a glaze test prepared in example 1 of the present invention;
FIG. 2 is a back view of a green body for a glaze test prepared in example 1 of the present invention;
FIG. 3 is a scale showing melting properties of a ceramic glaze for inspection in example 2 of the present invention;
FIG. 4 is a graph of the spectral reflectance of two different thicknesses of the glaze in example 3 of the present invention.
Detailed Description
The present invention is further illustrated by the following examples, which are to be understood as merely illustrative and not restrictive.
The invention provides a blank body for glaze test, which comprises: glazing face, base, and the glaze flow blocking district that sets up between glazing face and base. Wherein, the glazing surface integrates various surface shapes of common ceramic ware. The glazed surface includes a recording area, wherein the recording area is a vertical plane. In an alternative embodiment, recording conditions for inspecting the process performance of the ceramic glaze are increased on the recording region. For example, a vertical scale is arranged in the recording area, and the high-temperature viscosity of the ceramic glaze can be inspected. The accuracy of the vertical scale of the recording area in the present invention can be adjusted as desired. The base typically has a flat bottom surface to allow the blank to rest smoothly. The flow-retarding glaze region is arranged above the base and is approximately parallel to the bottom surface of the base.
In an optional embodiment, the glazed surface further integrates at least one of a transverse concave surface, a convex vertex angle surface, a longitudinal curved surface, a vertical concave surface, a (longitudinal) corrugated surface, a vertex angle, a transverse ridge, a curved ridge, a vertical straight ridge, a vertical corrugated ridge, an oblique evanescent ridge and other typical surface shapes of common ceramic ware. In this application, the horizontal direction refers to the horizontal direction, the vertical direction refers to the vertical direction (the first vertical direction), and the longitudinal direction refers to the second vertical direction (the plane of the second vertical direction and the plane of the first vertical direction can form an included angle, and are both perpendicular to the horizontal direction).
The following exemplarily illustrates a method of preparing a green body for a glaze test.
And collecting a large number of ceramic articles, and carrying out three-dimensional scanning on the large number of ceramic articles to obtain various surface shapes of the ceramic articles. The ceramic ware comprises display ceramic or daily ceramic. Wherein, the surface shape of the ceramic ware comprises: typical surface shapes such as transverse concave surface, convex surface at vertex angle, longitudinal curved surface, vertical plane, vertical concave surface, corrugated surface, vertex angle, transverse ridge, curved ridge, vertical straight ridge, vertical corrugated ridge, oblique gradually-eliminated ridge and the like.
the surface shape of the ceramic ware is integrated into the shape of a blank after being optimally designed. And a flow retarding glaze region is arranged between the glazing surface and the base, and is parallel to the bottom surface and used for preventing kiln furniture from being damaged by flow glaze.
And (5) making a model according to the shape of the blank and turning the model into a mould. Wherein, the mould can be a plaster mould.
and preparing the blank for the glaze test by adopting the die through a hollow grouting method. Specifically, adding water into a blank for manufacturing the blank to prepare slurry, injecting the slurry into a mold, allowing the slurry to contact the mold surface to condense a mud layer due to the water absorption effect of the mold after the slurry stays in the mold for a period of time, discharging the excess slurry in the mold when the mud layer reaches a proper thickness, and drying and demolding the mud layer in the mold to obtain the blank for testing glaze. The overall height of the body of the glaze prepared in the invention is generally, but not limited to, 5-30cm based on practical application. Aiming at the trial use of different glazes, ceramic materials corresponding to corresponding products are selected to prepare corresponding blanks. The blank is feldspar or sericite, and different blank compositions are designed according to different temperatures.
The present invention will be described in detail by way of examples. It is also to be understood that the following examples are illustrative of the present invention and are not to be construed as limiting the scope of the invention, and that certain insubstantial modifications and adaptations of the invention by those skilled in the art may be made in light of the above teachings. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.
Example 1
A method for obtaining the surface shape of a blank body of a glaze test comprises the following steps:
Selecting a suitable ceramic device, and carrying out three-dimensional scanning on the ceramic device to obtain the surface shape;
after analysis, a typical surface shape is obtained, and after optimization design, the typical surface shape is integrated into a blank appearance for glaze test, and the structure of the blank appearance is shown in fig. 1 and fig. 2. Wherein, the body used for testing glaze comprises a glazing surface (A), a recording area (B), a flow retarding glaze area (C) between the body and a base, and a base (D) contacted with kiln furniture; the glazing surface integrates various surface shapes, and integrates typical surface shapes of common ceramic devices such as a transverse concave surface (1-1), a vertex angle convex surface (1-2), a longitudinal curved surface (1-3), a vertical plane (1-4), a vertical concave surface (1-5), a corrugated surface (1-6), a vertex angle (1-7), a transverse ridge line (2-1), a curved ridge line (2-2), a vertical straight ridge line (2-3), a vertical corrugated ridge line (2-4), an oblique gradually-eliminated ridge line (2-5) and the like.
a method for molding a blank of a glaze test comprises the following steps: making the appearance of the integrated blank into a model by a carving machine; copying the model into a plaster mold; and forming by adopting a hollow grouting method. Wherein the components of the selected blank making slurry comprise: blank, water and a proper amount of auxiliary agent. The water content of the slurry was 42%. And (3) injecting the slurry into a mold, allowing the slurry to contact the surface of the mold for a period of time under the adsorption action of the mold to condense a mud layer, observing that the thickness of the mud layer reaches 5mm, discharging the redundant slurry in the mold, placing the mold in a 60 ℃ environment, drying, and demolding to obtain the blank for the glaze test, wherein the overall height of the blank is 16 cm. Wherein, the blank comprises the following chemical components: SiO 2260％～70％，Al2O3 22％～30，(R2O + RO) 4.5-7 percent and auxiliary agent, the sum of the mass percent of each component is 100 percent.
Example 2
A recording method for inspecting the technological properties of ceramic glaze by a blank body of the glaze test comprises the following steps:
The blank for the test glaze prepared in example 1 was marked at a suitable position in the vertical recording region (see fig. 3), and was glazed in a certain thickness, a certain area and a certain marked position. And after calcining, inspecting the melting property of the ceramic glaze according to the scales, and comparing the melting properties of different glazes.
Example 3
A method of use of a body for a glaze test, using the body of the glaze test prepared in example 1:
Glazing by adopting a glaze dipping method, inverting the blank body by holding the base (D) in the figure 2 by hand, and dipping the glazed surface in the ceramic glaze slurry and then taking out, thereby completing single or multiple dipping application. And then drying and placing the mixture in a kiln for calcination. Wherein the glaze comprises the following components (wt%): 40-70% of feldspar, 0-15% of kaolin and 7% of calcium carbonate14% or less, 0 to 15% of quartz, Fe2O35 to 8 percent, and the sum of the mass percent of the components is 100 weight percent. The thickness of the glazed glaze layer is 1.0mm, the firing time is 5 hours, the maximum temperature is 1300 ℃, and the oxidizing atmosphere is adopted. After calcination, the components of the blank and the glaze diffuse mutually to form an intermediate layer, the components of the thin glaze layer are closer to the components of the blank but different from the components of the thick glaze layer, and the glaze surface generates color difference. The various surfaces of the blank enhance the continuous change of the thickness of the glaze layer, so that the melting performance of the glaze is more visual, and a point a with the thickness of about 0.2mm of the glaze layer and a point b with the thickness of about 1.0mm of the glaze layer are selected for colorimetric comparison (see figure 4).
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the invention, which will not affect the effect of the invention and the practicability of the patent.
Claims (8)
1. a preparation method of a blank body for glaze test is characterized by comprising the following steps:
Three-dimensionally scanning a plurality of ceramic articles to obtain a plurality of surface shapes of the ceramic articles;
Integrating various surface shapes of the obtained ceramic ware into a blank body shape, wherein the blank body shape comprises a glazing surface, a base and a flow-retarding glaze region positioned between the glazing surface and the base, and the glazing surface comprises a recording region;
And (3) making the shape of the obtained blank into a model, turning the model into a mould, and preparing the blank for testing the glaze by adopting the mould through a slip casting method.
2. The method of claim 1, wherein the plurality of ceramic articles include furnishing ceramics or household ceramics.
3. The production method according to claim 1, wherein the recording area is a vertical plane.
4. The method of claim 3, wherein the recording area further comprises a vertical scale for inspecting the high temperature viscosity of the ceramic glaze.
5. The method of claim 1, wherein the glazing surface further comprises at least one of a transverse concave surface, a convex surface at an apex angle, a longitudinal curved surface, a vertical plane, a vertical concave surface, a corrugated surface, an apex angle, a transverse ridge, a curved ridge, a vertical straight ridge, a vertical corrugated ridge, and an oblique evanescent ridge.
6. the method according to claim 1, wherein the mold is a plaster mold or a mold made of a porous material having water absorption property.
7. The production method according to any one of claims 1 to 6, wherein the slip casting method is a hollow slip casting method: adding water into the blank for manufacturing the blank body to prepare slurry, injecting the slurry into a mold, discharging the residual slurry after the slurry is partially solidified in the mold to form a mud layer, and drying and demolding to obtain the blank body for testing the glaze.
8. A green body for a glaze test prepared by the preparation method according to any one of claims 1 to 7.
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| CN201810535326.2A CN108772939B (en) | 2018-05-29 | 2018-05-29 | blank for glaze test and preparation method thereof |
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| CN108772939A CN108772939A (en) | 2018-11-09 |
| CN108772939B true CN108772939B (en) | 2019-12-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01225784A (en) * | 1988-03-03 | 1989-09-08 | Toshiba Corp | Method for reforming surface of cylindrical structure |
| CN101765570A (en) * | 2007-07-31 | 2010-06-30 | 美商绩优图科技股份有限公司 | A fiber-based ceramic substrate and method of fabricating the same |
| CN103317590A (en) * | 2013-06-26 | 2013-09-25 | 大连理工大学 | Laser 3D (three-dimensional) printing method of ceramic functional gradient component |
| CN104129996A (en) * | 2014-08-06 | 2014-11-05 | 淄博百康经贸有限公司 | Anion easy-cleaning functional ceramic additive and preparation method thereof, ceramic prepared by using additive and preparation method thereof |
| CN104193345A (en) * | 2014-08-20 | 2014-12-10 | 中南大学 | Method for preparing wave-absorbing ceramic component on basis of 3D printing technique |
| CN104945022A (en) * | 2015-06-04 | 2015-09-30 | 广西北流市红日紫砂陶瓷厂 | Ceramic bowl outer surface glazing device |
-
2018
- 2018-05-29 CN CN201810535326.2A patent/CN108772939B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01225784A (en) * | 1988-03-03 | 1989-09-08 | Toshiba Corp | Method for reforming surface of cylindrical structure |
| CN101765570A (en) * | 2007-07-31 | 2010-06-30 | 美商绩优图科技股份有限公司 | A fiber-based ceramic substrate and method of fabricating the same |
| CN103317590A (en) * | 2013-06-26 | 2013-09-25 | 大连理工大学 | Laser 3D (three-dimensional) printing method of ceramic functional gradient component |
| CN104129996A (en) * | 2014-08-06 | 2014-11-05 | 淄博百康经贸有限公司 | Anion easy-cleaning functional ceramic additive and preparation method thereof, ceramic prepared by using additive and preparation method thereof |
| CN104193345A (en) * | 2014-08-20 | 2014-12-10 | 中南大学 | Method for preparing wave-absorbing ceramic component on basis of 3D printing technique |
| CN104945022A (en) * | 2015-06-04 | 2015-09-30 | 广西北流市红日紫砂陶瓷厂 | Ceramic bowl outer surface glazing device |
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