CN108706878A - A kind of near-zero thermal expansion glaze water and preparation method thereof - Google Patents
A kind of near-zero thermal expansion glaze water and preparation method thereof Download PDFInfo
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- CN108706878A CN108706878A CN201810707493.0A CN201810707493A CN108706878A CN 108706878 A CN108706878 A CN 108706878A CN 201810707493 A CN201810707493 A CN 201810707493A CN 108706878 A CN108706878 A CN 108706878A
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- water
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- glaze water
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- thermal expansion
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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
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
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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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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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Abstract
A kind of near-zero thermal expansion glaze water of present invention offer and preparation method thereof, the preparation method includes：Prepared by dispensing, frit one, prepared by frit two, glaze water coarse adjustment, prepared by toner, and zirconic acid tungsten powder system takes, glaze water fine tuning, pH value adjustment, the molding of glaze water.A kind of near-zero thermal expansion glaze water stability of the present invention is strong, production efficiency is high, step is succinct, can low temperature use and the coefficient of expansion is close to zero, it can make to be held essentially constant in the physical arrangement certain temperature range of ceramic, high technology ceramics part or accessory are had a very big significance, and glaze layer can be made preferably to be combined with ceramic body, improves the quality of ceramic.
Description
Technical field
The invention belongs to glaze water preparing process field, more particularly to a kind of near-zero thermal expansion glaze water and preparation method thereof.
Background technology
Negative expansion refers to average linear expansion coefficient within the scope of certain temperature or the coefficient of volume expansion is negative value one
Class compound is that subject branch emerging in recent years in material science finds and synthesize new low bulk or even heat for a long time
The compound-material shunk is caused to be constantly subjected to the attention of scientist, coefficient of thermal expansion has additive property, swollen using the negative heat of material
Swollen property can produce the low-down coefficient of expansion or the controllable thermal expansion material of zero thermal expansion coefficient, reduce to greatest extent high
The internal stress of adiabator increases the heat shock resistance intensity of material.
Traditional ceramics and glaze generate internal stress and resist often because of the volume change that the phase transition of quartz and cristobalite is produced
Shaking property of heat is poor, and the raw material for being changed into β-spodumene after calcination is added in green body and glaze water, and lattice structure can receive kaolinite
The SiO2 and additional SiO2 of stone phase transformation separate out, at solid solution, and the structure of clang feldspar does not allow thoroughly, it can make quartz
It is constantly melted in melt, inhibits residual quartz to the coefficient of thermal expansion cristobalite conversion more much higher than quartz, can also reduce β-
Quartz makes β-quartz of low thermal coefficient of expansion stablize in broader temperature region, lithium to the crystal transfer temperature of alpha-quartz
Pyroxene helps to be formed mullite at a lower temperature to increase blank strength, since these effects keep steamed bun pyroxene matter ceramic
Have with low heat expansion extensively, special purposes.
If glaze water can with near-zero thermal expansion performance, can effectively avoid glaze layer generate internal stress so as to cause
Glaze layer shaking property of heat resistanceheat resistant it is poor, the heat shock resistance intensity of glaze layer is improved, to improve the quality of ceramic, for this purpose, of the invention
It is proposed a kind of near-zero thermal expansion glaze water and preparation method thereof.
Invention content
It is of the existing technology in order to solve the problems, such as, the present invention provides a kind of near-zero thermal expansion glaze water and preparation method thereof,
Glaze water has the function of near-zero thermal expansion, can improve the heat shock resistance intensity of glaze layer, to improve the quality and property of ceramic
Energy.
To achieve the goals above, the present invention is to realize by the following technical solutions：A kind of near-zero thermal expansion glaze water and
Preparation method, the preparation method comprises the following steps：
Step 1：Dispensing；Take aluminium hydroxide 3.31%, lithium carbonate 9.23%, magnesia 2.17%, boric acid 44%, quartz 8.1%, lithium
Pyroxene 15.04%, zirconic acid tungsten 18.15%, and above-mentioned raw materials are removed into impurity；
Step 2：It is prepared by frit one；According to raw material proportioning take the aluminium hydroxide of corresponding weight, lithium carbonate, magnesia, boric acid and
Quartz will be put into kiln after aluminium hydroxide, lithium carbonate, magnesia, boric acid and the finely ground mixing of quartz and blocking, then water is melted
It quenches, it is finely ground spare after water quenching；
Step 3：It is prepared by frit two；The spodumene that corresponding weight is taken according to raw material proportioning, spodumene is put into kiln and is forged
It burns, it is then finely ground spare；
Step 4：Glaze water coarse adjustment；Powder in step 2 and step 3 is put into togerther in suitable container, and is uniformly mixed,
Add water to be let down and glaze slip is made；
Step 5：It is prepared by toner；Take potassium bichromate 21.13%, calcium oxide 8.45%, silica 42.25%, calcirm-fluoride 14.09%,
Other than calcium chloride, remaining dispensing of toner is mixed and be ground into fine powder, calcium chloride is then added and mixes well rapidly, then puts
Enter kiln to calcine within the temperature range of 1590-1620K, toner is crushed after calcining is good, is then rinsed using clear water, most
It is finely ground spare afterwards；
Step 6：It is prepared by zirconic acid tungsten powder body；Under room temperature and stirring condition, while being slowly added into water containing zirconium and tungstenic solution
（0.5mol/L）, water, the ratio containing zirconium solution and tungstenic solution are 0.25:0.5:1,10h is persistently stirred, is then added a concentration of
Mixture is fractionated 2 days by the hydrochloric acid of 6mol/L, and being placed after fractionation made its gelation in 3 week, then poured out supernatant liquor, passed through
It is dried under 353K in an oven after being filtered, washed, then heats 10h at 873k, it is then finely ground spare；
Step 7：Glaze water fine tuning；By the glaze slip in step 4, the zirconic acid tungsten powder body in the toner and step 6 in step 5 according to
1:0.3:1 ratio is mixed, and stirs to be mixed and glaze water is made, and the water content of glaze water is adjusted to 27-31%；
Step 8：PH value adjustment；The pH value of glaze water is detected, and carries out adjusting appropriate；
Step 9：Glaze water is molded；Glaze water is stood into a period of time, it is then spare.
It is described Step 2: Step 3: finely ground process in step 5 and step 6 as a kind of preferred embodiment of the present invention
It is first coarse crushing, reuses ball mill grinding at powdered.
As a kind of preferred embodiment of the present invention, the glaze slip moisture content after adding water to be let down in the step 4 is 50-53%,
PH value should be 7.3 or so after being adjusted in the step 8.
As a kind of preferred embodiment of the present invention, the rinsing in the step 5 needs rinsing until no yellow water.
First all devices should be cleared up, avoid raw material before the preparation of glaze water as a kind of preferred embodiment of the present invention
In be mixed into impurity, influence the quality of finished product.
As a kind of preferred embodiment of the present invention, the calcination temperature in the step 2 is 1120-1270K, the step
Calcination temperature in three is 1570-1770K.
Beneficial effects of the present invention are：
1, spodumene and zirconic acid tungsten are added in a kind of near-zero thermal expansion glaze water of the invention, spodumene and zirconic acid tungsten and other materials
After being melted, the coefficient of thermal expansion of glaze water itself can be made close to zero, therefore the internal stress of glaze water can be reduced to greatest extent,
Increase the heat shock resistance intensity of glaze water.
2, simultaneously, a kind of near-zero thermal expansion glaze water of the invention has excellent heat-resisting quantity, the process fired after glazing
In, the silica of ceramic body separate out can be received, to make the quartz of ceramic body constantly be melted in glaze aqueous fusion body
In, it is more securely and stable so as to make ceramic body be combined with glaze layer, be conducive to the promotion to ceramic quality.
3 and step of the present invention it is succinct, make the coefficient of expansion of glaze water close to zero, so as to make the object of ceramic
Reason structure is held essentially constant in certain temperature range, high technology ceramics part or accessory is had a very big significance, simultaneously
So that the preparation of glaze water is facilitated controllable, improves efficiency prepared by glaze water, wide adaptability.
Description of the drawings
Fig. 1 is a kind of near-zero thermal expansion glaze water and preparation method thereof flow chart.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of near-zero thermal expansion glaze water and preparation method thereof, the system
Preparation Method includes the following steps：
Step 1：Dispensing；Take aluminium hydroxide 3.31%, lithium carbonate 9.23%, magnesia 2.17%, boric acid 44%, quartz 8.1%, lithium
Pyroxene 15.04%, zirconic acid tungsten 18.15%, and above-mentioned raw materials are removed into impurity；
Step 2：It is prepared by frit one；According to raw material proportioning take the aluminium hydroxide of corresponding weight, lithium carbonate, magnesia, boric acid and
Quartz will be put into kiln after aluminium hydroxide, lithium carbonate, magnesia, boric acid and the finely ground mixing of quartz and blocking, then water is melted
It quenches, it is finely ground spare after water quenching；
Step 3：It is prepared by frit two；The spodumene that corresponding weight is taken according to raw material proportioning, spodumene is put into kiln and is forged
It burns, it is then finely ground spare；
Step 4：Glaze water coarse adjustment；Powder in step 2 and step 3 is put into togerther in suitable container, and is uniformly mixed,
Add water to be let down and glaze slip is made；
Step 5：It is prepared by toner；Take potassium bichromate 21.13%, calcium oxide 8.45%, silica 42.25%, calcirm-fluoride 14.09%,
Other than calcium chloride, remaining dispensing of toner is mixed and be ground into fine powder, calcium chloride is then added and mixes well rapidly, then puts
Enter kiln to calcine within the temperature range of 1590-1620K, toner is crushed after calcining is good, is then rinsed using clear water, most
It is finely ground spare afterwards；
Step 6：It is prepared by zirconic acid tungsten powder body；Under room temperature and stirring condition, while being slowly added into water containing zirconium and tungstenic solution
（0.5mol/L）, water, the ratio containing zirconium solution and tungstenic solution are 0.25:0.5:1,10h is persistently stirred, is then added a concentration of
Mixture is fractionated 2 days by the hydrochloric acid of 6mol/L, and being placed after fractionation made its gelation in 3 week, then poured out supernatant liquor, passed through
It is dried under 353K in an oven after being filtered, washed, then heats 10h at 873k, it is then finely ground spare；
Step 7：Glaze water fine tuning；By the glaze slip in step 4, the zirconic acid tungsten powder body in the toner and step 6 in step 5 according to
1:0.3:1 ratio is mixed, and stirs to be mixed and glaze water is made, and the water content of glaze water is adjusted to 27-31%；
Step 8：PH value adjustment；The pH value of glaze water is detected, and carries out adjusting appropriate；
Step 9：Glaze water is molded；Glaze water is stood into a period of time, it is then spare.
It is described Step 2: Step 3: finely ground process in step 5 and step 6 as a kind of preferred embodiment of the present invention
It is first coarse crushing, reuses ball mill grinding at powdered.
As a kind of preferred embodiment of the present invention, the glaze slip moisture content after adding water to be let down in the step 4 is 50-53%,
PH value should be 7.3 or so after being adjusted in the step 8.
As a kind of preferred embodiment of the present invention, the rinsing in the step 5 needs rinsing until no yellow water.
First all devices should be cleared up, avoid raw material before the preparation of glaze water as a kind of preferred embodiment of the present invention
In be mixed into impurity, influence the quality of finished product.
As a kind of preferred embodiment of the present invention, the calcination temperature in the step 2 is 1120-1270K, the step
Calcination temperature in three is 1570-1770K.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of near-zero thermal expansion glaze water and preparation method thereof, which is characterized in that the preparation method comprises the following steps：
Step 1：Dispensing；Take aluminium hydroxide 3.31%, lithium carbonate 9.23%, magnesia 2.17%, boric acid 44%, quartz 8.1%, lithium
Pyroxene 15.04%, zirconic acid tungsten 18.15%, and above-mentioned raw materials are removed into impurity；
Step 2：It is prepared by frit one；According to raw material proportioning take the aluminium hydroxide of corresponding weight, lithium carbonate, magnesia, boric acid and
Quartz will be put into kiln after aluminium hydroxide, lithium carbonate, magnesia, boric acid and the finely ground mixing of quartz and blocking, then water is melted
It quenches, it is finely ground spare after water quenching；
Step 3：It is prepared by frit two；The spodumene that corresponding weight is taken according to raw material proportioning, spodumene is put into kiln and is forged
It burns, it is then finely ground spare；
Step 4：Glaze water coarse adjustment；Powder in step 2 and step 3 is put into togerther in suitable container, and is uniformly mixed,
Add water to be let down and glaze slip is made；
Step 5：It is prepared by toner；Take potassium bichromate 21.13%, calcium oxide 8.45%, silica 42.25%, calcirm-fluoride 14.09%,
Other than calcium chloride, remaining dispensing of toner is mixed and be ground into fine powder, calcium chloride is then added and mixes well rapidly, then puts
Enter kiln to calcine within the temperature range of 1590-1620K, toner is crushed after calcining is good, is then rinsed using clear water, most
It is finely ground spare afterwards；
Step 6：It is prepared by zirconic acid tungsten powder body；Under room temperature and stirring condition, while being slowly added into water containing zirconium and tungstenic solution
（0.5mol/L）, water, the ratio containing zirconium solution and tungstenic solution are 0.25:0.5:1,10h is persistently stirred, is then added a concentration of
Mixture is fractionated 2 days by the hydrochloric acid of 6mol/L, and being placed after fractionation made its gelation in 3 week, then poured out supernatant liquor, passed through
It is dried under 353K in an oven after being filtered, washed, then heats 10h at 873k, it is then finely ground spare；
Step 7：Glaze water fine tuning；By the glaze slip in step 4, the zirconic acid tungsten powder body in the toner and step 6 in step 5 according to
1:0.3:1 ratio is mixed, and stirs to be mixed and glaze water is made, and the water content of glaze water is adjusted to 27-31%；
Step 8：PH value adjustment；The pH value of glaze water is detected, and carries out adjusting appropriate；
Step 9：Glaze water is molded；Glaze water is stood into a period of time, it is then spare.
2. a kind of near-zero thermal expansion glaze water according to claim 1 and preparation method thereof, which is characterized in that it is described Step 2:
Step 3: the finely ground process in step 5 and step 6 is first coarse crushing, ball mill grinding is reused at powdered.
3. a kind of near-zero thermal expansion glaze water according to claim 1 and preparation method thereof, which is characterized in that in the step 4
Glaze slip moisture content after adding water to be let down is 50-53%, and pH value should be 7.3 or so after being adjusted in the step 8.
4. a kind of near-zero thermal expansion glaze water according to claim 1 and preparation method thereof, which is characterized in that in the step 5
Rinsing, need rinsing until no yellow water.
5. a kind of near-zero thermal expansion glaze water according to claim 1 and preparation method thereof, which is characterized in that prepared in glaze water
Before, first all devices should be cleared up, avoid being mixed into impurity in raw material, influence the quality of finished product.
6. a kind of near-zero thermal expansion glaze water according to claim 1 and preparation method thereof, which is characterized in that in the step 2
Calcination temperature be 1120-1270K, the calcination temperature in the step 3 is 1570-1770K.
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| CN201810707493.0A CN108706878A (en) | 2018-07-02 | 2018-07-02 | A kind of near-zero thermal expansion glaze water and preparation method thereof |
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| CN201810707493.0A CN108706878A (en) | 2018-07-02 | 2018-07-02 | A kind of near-zero thermal expansion glaze water and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117510238A (en) * | 2023-11-10 | 2024-02-06 | 高安常莹新型材料有限公司 | Star-blaze flashing rock plate and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538164A (en) * | 2009-04-24 | 2009-09-23 | 景德镇陶瓷学院 | Process for preparing super-low expansion ceramic material |
| CN101982435A (en) * | 2010-11-05 | 2011-03-02 | 中材高新材料股份有限公司 | Method for preparing low-temperature lead-free near zero expansion microcrystalline ceramic coating |
| CN104496559A (en) * | 2014-12-05 | 2015-04-08 | 侯晓东 | Preparation method of fruit-green glaze ceramic artworks |
-
2018
- 2018-07-02 CN CN201810707493.0A patent/CN108706878A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538164A (en) * | 2009-04-24 | 2009-09-23 | 景德镇陶瓷学院 | Process for preparing super-low expansion ceramic material |
| CN101982435A (en) * | 2010-11-05 | 2011-03-02 | 中材高新材料股份有限公司 | Method for preparing low-temperature lead-free near zero expansion microcrystalline ceramic coating |
| CN104496559A (en) * | 2014-12-05 | 2015-04-08 | 侯晓东 | Preparation method of fruit-green glaze ceramic artworks |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117510238A (en) * | 2023-11-10 | 2024-02-06 | 高安常莹新型材料有限公司 | Star-blaze flashing rock plate and preparation method thereof |
| CN117510238B (en) * | 2023-11-10 | 2024-04-19 | 高安常莹新型材料有限公司 | Star-blaze flashing rock plate and preparation method thereof |
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Application publication date: 20181026 |