CN114031297B - Cordierite-based porous glass ceramic and preparation method thereof - Google Patents
Cordierite-based porous glass ceramic and preparation method thereof Download PDFInfo
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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
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
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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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0036—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents
- C03C10/0045—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents containing SiO2, Al2O3 and MgO as main constituents
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The application provides a cordierite-based porous glass ceramic and a preparation method thereof, wherein the preparation method comprises the following steps: mixing magnesium oxide, aluminum oxide, silicon dioxide and boron oxide raw materials, and sequentially carrying out high-temperature melting, water quenching, crushing and screening to obtain glass powder; and (3) performing high-temperature sintering after the glass powder is subjected to pressure forming, so as to obtain the cordierite-based porous glass ceramic. The preparation method of the application prepares the cordierite-based porous glass ceramic at a lower sintering temperature without sintering auxiliary agents. The cordierite-based porous glass ceramic has the advantages of small thermal expansion coefficient, high open porosity, low volume density and high bending strength. In addition, the dielectric constant is low, and the dielectric loss is small.
Description
Technical Field
The application relates to the technical field of porous glass ceramics, in particular to cordierite-based porous glass ceramics and a preparation method thereof.
Background
The cordierite porous ceramic has the advantages of low density, low thermal expansion, high temperature resistance, corrosion resistance, good heat insulation and permeability and excellent dielectric property, and can be applied to various fields, such as filter materials, heat insulation materials, catalyst carrier materials, wave-transmitting materials and the like. Thus, cordierite porous ceramic materials have been the material of interest and focus for researchers.
For ceramic materials, the preparation process generally requires a higher sintering temperature, and similar problems exist for cordierite porous ceramics. In many studies, in order to reduce the preparation temperature of ceramic materials, sol-gel method may be used to prepare ceramic materials, or sintering method may be used to reduce the sintering temperature by adding sintering aid to ceramic raw materials. However, the sol-gel method is complicated in process, high in cost and easy to pollute the environment, and the disadvantage of adding the sintering aid is that the sintering aid may damage the thermal expansion or dielectric properties of the material.
Disclosure of Invention
The application aims to provide a cordierite-based porous glass ceramic and a preparation method thereof, so as to prepare the cordierite-based porous glass ceramic under the condition of no addition of sintering aids and lower sintering temperature. The specific technical scheme is as follows:
the first aspect of the application provides a method for preparing cordierite-based porous glass ceramic, comprising the following steps:
mixing magnesium oxide, aluminum oxide, silicon dioxide and boron oxide raw materials uniformly to form a mixed ingredient;
sequentially carrying out high-temperature melting, water quenching, crushing and screening on the mixed ingredients to obtain glass powder;
performing pressure forming on the glass powder to obtain a blank;
and sintering the green body at high temperature to obtain the cordierite-based porous glass ceramic.
In one embodiment of the application, the content of each oxide in the blend is, based on the total mass of the blend,: mgO:18-24wt% of Al 2 O 3 ：16-24wt％、SiO 2 ：47-55wt％、B 2 O 3 ：4-14wt％。
In one embodiment of the application, the magnesia, alumina, silica and boria starting materials have a purity of 98% to 100%.
In one embodiment of the application, the high temperature melting has a melting temperature of 1400-1600 ℃ and a melting time of 2-3 hours.
In one embodiment of the present application, the glass powder has an average particle diameter of 50 to 80. Mu.m.
In one embodiment of the present application, the pressure molding has a molding pressure of 20 to 40MPa.
In one embodiment of the application, the high temperature sintering comprises incubating at 950-980 ℃ for 1-2 hours; then preserving heat for 2-3h at 1015-1040 ℃.
A second aspect of the application provides a cordierite-based porous glass ceramic prepared by the method of any one of the embodiments of the first aspect of the application.
In one embodiment of the application, the cordierite-based porous glass ceramic has an open porosity of 40% to 65%; the volume density is 1.00-1.60g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Coefficient of thermal expansion of 4.20X10 -6 -5.00×10 -6 K -1 The method comprises the steps of carrying out a first treatment on the surface of the The bending strength is 12.0-45.0MPa.
In one embodiment of the present application, the cordierite-based porous glass ceramic has a dielectric constant of 2 to 3.5 and a dielectric loss of 2.0X10 at a measurement frequency of 21 to 38GHz -3 -4.0×10 -3 。
The beneficial effects of the application include:
according to the preparation method of the cordierite-based porous glass ceramic, provided by the first aspect of the application, the cordierite-based porous glass ceramic can be prepared at a lower sintering temperature under the condition that a sintering aid is not added. The cordierite-based porous glass ceramic of the second aspect of the application has uniform pores and a narrow pore size distribution. In addition, the cordierite-based porous glass ceramic of the second aspect of the application has the advantages of small thermal expansion coefficient, high open porosity, low volume density and high bending strength. In addition, the dielectric constant is low, and the dielectric loss is small.
Of course, it is not necessary for any one product or method of practicing the application to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the examples of the present application, the drawings which are needed for the examples will be briefly described below, it being obvious that the drawings in the following description are only one embodiment of the present application, and that other embodiments can be obtained according to these drawings for a person skilled in the art.
FIG. 1 is an X-ray powder diffraction pattern of the cordierite-based porous glass-ceramic of example 1.
FIG. 2 is a scanning electron micrograph of the microstructure of the cordierite-based porous glass-ceramic of example 1.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by the person skilled in the art based on the present application are included in the scope of protection of the present application.
The first aspect of the application provides a method for preparing cordierite-based porous glass ceramic, comprising the following steps:
mixing magnesium oxide, aluminum oxide, silicon dioxide and boron oxide raw materials uniformly to form a mixed ingredient;
sequentially carrying out high-temperature melting, water quenching, crushing and screening on the mixed ingredients to obtain glass powder;
performing pressure forming on the glass powder to obtain a blank;
and sintering the green body at high temperature to obtain the cordierite-based porous glass ceramic.
In one embodiment of the application, the content of each oxide in the blend is, based on the total mass of the blend,: mgO:18-24wt% of Al 2 O 3 ：16-24wt％、SiO 2 ：47-55wt％、B 2 O 3 ：4-14wt％。
In one embodiment of the application, the magnesia, alumina, silica and boria starting materials have a purity of 98% to 100%.
In the present application, the manner of mixing the ingredients to be mixed is not particularly limited as long as the object of the present application is achieved. For example, a mixing device such as a mixer or a ball mill is used.
In one embodiment of the application, the high temperature melting has a melting temperature of 1400-1600 ℃ and a melting time of 1-2 hours.
In the present application, the apparatus for high-temperature melting is not particularly limited as long as the object of the present application is achieved, and may be, for example, a box-type high-temperature furnace or other high-temperature furnaces known to those skilled in the art.
In one embodiment of the present application, the glass powder has an average particle diameter of 50 to 80. Mu.m.
In one embodiment of the present application, the pressure molding has a molding pressure of 20 to 40MPa.
In the present application, the manner of the pressure molding is not particularly limited as long as the object of the present application is achieved, for example, one-way pressure molding, two-way pressure molding, isostatic molding.
In one embodiment of the application, the high temperature sintering comprises incubating at 950-980 ℃ for 1-2 hours; then preserving heat for 2-3h at 1015-1040 ℃.
In the present application, the apparatus for high temperature sintering is not particularly limited, and may be, for example, a muffle furnace or other high temperature furnace known to those skilled in the art.
The inventor finds that the cordierite-based porous glass ceramic can be prepared at a lower sintering temperature without adding a sintering aid. The preparation method of the application utilizes the process of preparing glass ceramics by high-temperature sintering of glass powder, controls the crystallization rate in the high-temperature sintering process by controlling the granularity, composition, molding and high-temperature sintering process of the glass powder, thereby realizing the control of the crystalline phase structure, the pore distribution of the porous structure, the open porosity, the thermal expansion coefficient, the volume density, the bending strength and the dielectric property of the obtained cordierite-based porous glass ceramics.
A second aspect of the application provides a cordierite-based porous glass ceramic prepared by the method of any one of the embodiments of the first aspect of the application.
In one embodiment of the application, the cordierite-based porous glass ceramic has an open porosity of 40% to 65%; the volume density is 1.00-1.60g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Coefficient of thermal expansion of 4.20X10 -6 -5.00×10 -6 K -1 The method comprises the steps of carrying out a first treatment on the surface of the The bending strength is 12.0-45.0MPa.
In one embodiment of the present application, the cordierite-based porous glass ceramic has a dielectric constant of 2 to 3.5 and a dielectric loss of 2.0X10 at a measurement frequency of 21 to 38GHz -3 -4.0×10 -3 。
The cordierite-based porous glass ceramic has the advantages of small thermal expansion coefficient, high open porosity, low volume density and high bending strength. In addition, the dielectric constant is low, and the dielectric loss is small.
Examples
Hereinafter, the present application will be described in more detail by way of examples. The various tests and evaluations were carried out according to the following methods.
Test method and apparatus:
the embodiment of the application adopts a water boiling method (ASTMC 373) established by American society of testing and materials to measure the open porosity and the volume density of the obtained cordierite-based porous glass ceramic; measuring the thermal expansion coefficient of the obtained cordierite-based porous glass ceramic by using a thermal expansion instrument; measuring the bending strength of the obtained cordierite-based porous glass ceramic on an electronic universal material tester by adopting a three-point bending method; the dielectric constants and dielectric losses of the obtained cordierite-based porous glass ceramics were measured on an Agilent PNA-L series network vector analyzer at a measurement frequency of 21-38 GHz.
Example 1
Placing magnesium oxide, aluminum oxide, silicon dioxide and boron oxide raw materials into a mixing tank for mixing, and forming a mixed ingredient after uniformly mixing; wherein, the purities of the raw materials of magnesium oxide, aluminum oxide, silicon dioxide and boron oxide are all 99.5 percent; the contents of each oxide in the mixed ingredients are as follows: mgO:19.0wt% of Al 2 O 3 ：23.8wt％、SiO 2 ：52.4wt％、B 2 O 3 ：4.8wt％；
Placing the obtained mixed ingredients into a crucible, heating to 1500 ℃ in a box-type high-temperature furnace for high-temperature melting, and taking out glass melt after heat preservation for 2 hours for water quenching to obtain glass slag; drying and simply crushing glass slag, then placing the glass slag in an agate grinding machine, grinding for 2 hours, and then sieving the glass slag with a 200-mesh sieve to obtain glass powder; wherein the average particle diameter of the obtained glass powder is 75 μm;
filling the obtained glass powder into a steel grinding tool, and performing pressure forming on a press machine to obtain a blank; wherein the molding pressure is 20MPa, and the dwell time is 10min;
and (3) placing the obtained blank in a muffle furnace for high-temperature sintering, heating to 950 ℃ from room temperature at a heating rate of 5 ℃/min, preserving heat for 1h, then heating to 1015 ℃ at a heating rate of 5 ℃/min, preserving heat for 2h, and finally naturally cooling to room temperature to obtain the cordierite-based porous glass ceramic.
Fig. 1 shows the XRD pattern of the cordierite-based porous glass ceramic of example 1.
As can be seen from fig. 1, the cordierite-based porous glass ceramic of example 1 has a cordierite phase as the main crystal phase and an α -quartz phase as the secondary crystal phase.
FIG. 2 shows a scanning electron micrograph of the microstructure of the cordierite-based porous glass-ceramic of example 1.
As can be seen from FIG. 2, the cordierite-based porous glass ceramic of example 1 has a porous structure with uniform pores and a pore size distribution of 5 to 20. Mu.m.
Example 2
Placing magnesium oxide, aluminum oxide, silicon dioxide and boron oxide raw materials into a mixing tank for mixing, and forming a mixed ingredient after uniformly mixing; wherein, the purities of the raw materials of magnesium oxide, aluminum oxide, silicon dioxide and boron oxide are all 99.5 percent; the contents of each oxide in the mixed ingredients are as follows: mgO:20.9wt% of Al 2 O 3 ：16.4wt％、SiO 2 ：53.6wt％、B 2 O 3 ：9.1wt％；
Placing the obtained mixed ingredients into a crucible, heating to 1500 ℃ in a box-type high-temperature furnace for high-temperature melting, and taking out glass melt after heat preservation for 2 hours for water quenching to obtain glass slag; drying and simply crushing glass slag, then placing the glass slag in an agate grinding machine, grinding for 2 hours, and then sieving the glass slag with a 200-mesh sieve to obtain glass powder; wherein the average particle diameter of the obtained glass powder is 75 μm;
filling the obtained glass powder into a steel grinding tool, and performing pressure forming on a press machine to obtain a blank; wherein the molding pressure is 30MPa, and the dwell time is 10min;
and (3) placing the obtained blank in a muffle furnace for high-temperature sintering, heating to 970 ℃ from room temperature at a heating rate of 5 ℃/min, preserving heat for 1h, heating to 1030 ℃ at a heating rate of 5 ℃/min, preserving heat for 2h, and finally naturally cooling to room temperature to obtain the cordierite-based porous glass ceramic.
Example 3
Placing magnesium oxide, aluminum oxide, silicon dioxide and boron oxide raw materials into a mixing tank for mixing, and forming a mixed ingredient after uniformly mixing; wherein, the purities of the magnesia, the alumina, the silica and the boron oxide are all 99.5 percent; the contents of each oxide in the mixed ingredients are as follows: mgO:18.2wt% of Al 2 O 3 ：18.2wt％、SiO 2 ：54.5wt％、B 2 O 3 ：9.1wt％；
Placing the obtained mixed ingredients into a crucible, heating to 1500 ℃ in a box-type high-temperature furnace for high-temperature melting, and taking out glass melt after heat preservation for 2 hours for water quenching to obtain glass slag; drying and simply crushing glass slag, then placing the glass slag in an agate grinding machine, grinding for 2 hours, and then sieving the glass slag with a 200-mesh sieve to obtain glass powder; wherein the average particle diameter of the obtained glass powder is 75 μm;
filling the obtained glass powder into a steel grinding tool, and performing pressure forming on a press machine to obtain a blank; wherein the molding pressure is 40MPa, and the dwell time is 10min;
and (3) placing the obtained blank in a muffle furnace for high-temperature sintering, heating to 975 ℃ from room temperature at a heating rate of 5 ℃/min, preserving heat for 1h, heating to 1035 ℃ at a heating rate of 5 ℃/min, preserving heat for 2h, and finally naturally cooling to room temperature to obtain the cordierite-based porous glass ceramic.
Example 4
Placing magnesium oxide, aluminum oxide, silicon dioxide and boron oxide raw materials into a mixing tank for mixing, and forming a mixed ingredient after uniformly mixing; wherein, the purities of the raw materials of magnesium oxide, aluminum oxide, silicon dioxide and boron oxide are all 99.5 percent; the contents of each oxide in the mixed ingredients are as follows: mgO:21.7wt% of Al 2 O 3 ：21.7wt％、SiO 2 ：43.5wt％、B 2 O 3 ：13.1wt％；
Placing the obtained mixed ingredients into a crucible, heating to 1500 ℃ in a box-type high-temperature furnace for high-temperature melting, and taking out glass melt after heat preservation for 2 hours for water quenching to obtain glass slag; drying and simply crushing glass slag, then placing the glass slag in an agate grinding machine, grinding for 2 hours, and then sieving the glass slag with a 200-mesh sieve to obtain glass powder; wherein the average particle diameter of the obtained glass powder is 75 μm;
filling the obtained glass powder into a steel grinding tool, and performing pressure forming on a press machine to obtain a blank; wherein the molding pressure is 40MPa, and the dwell time is 10min;
and (3) placing the obtained blank in a muffle furnace for high-temperature sintering, heating to 980 ℃ from room temperature at a heating rate of 5 ℃/min, preserving heat for 1h, heating to 1040 ℃ at the same heating rate of 5 ℃/min, preserving heat for 2h, and finally naturally cooling to room temperature to obtain the cordierite-based porous glass ceramic.
Table 1 shows the open porosity, bulk density, thermal expansion coefficient, flexural strength, and dielectric constant and dielectric loss of the cordierite-based porous glass ceramics obtained in examples 1 to 4.
It can be seen from examples 1-4 that with the preparation method of the present application, cordierite-based porous glass-ceramics can be obtained at lower sintering temperatures without sintering aids. As shown in Table 1, the open porosity of the cordierite-based porous glass ceramic of the present application is 40% -65%; the volume density is 1.00-1.60g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Coefficient of thermal expansion of 4.20X10 -6 -5.00×10 -6 K -1 The method comprises the steps of carrying out a first treatment on the surface of the The bending strength is 12.0-45.0Mpa; under the condition of measuring frequency of 21-38GHz, the dielectric constant of the cordierite-based porous glass ceramic is 2-3.5, and the dielectric loss is 2.0X10 -3 -4.0×10 -3 。
TABLE 1
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (6)
1. The preparation method of the cordierite-based porous glass ceramic is characterized by comprising the following steps of:
mixing magnesium oxide, aluminum oxide, silicon dioxide and boron oxide raw materials uniformly to form a mixed ingredient;
sequentially carrying out high-temperature melting, water quenching, crushing and screening on the mixed ingredients to obtain glass powder;
performing pressure forming on the glass powder to obtain a blank;
sintering the green body at high temperature to obtain cordierite-based porous glass ceramic;
wherein, based on the total mass of the mixed ingredients, the content of each oxide in the mixed ingredients is as follows: mgO:18-24wt% of Al 2 O 3 ：16-24wt%、SiO 2 ：47-55wt%、B 2 O 3 :4-14wt%; the average particle diameter of the glass powder is 50-80 mu m; the molding pressure of the pressure molding is 20-40 MPa;
the high-temperature sintering comprises the steps of preserving heat for 1-2 hours at 950-980 ℃; then preserving heat for 2-3h at 1015-1040 ℃;
the open porosity of the cordierite-based porous glass ceramic is 40% -65%; the volume density is 1.00-1.60g/cm 3 。
2. The method of claim 1, wherein the magnesia, alumina, silica and boria starting materials have a purity of 98% to 100%.
3. The method according to claim 1, wherein the high-temperature melting has a melting temperature of 1400-1600 ℃ and a melting time of 2-3h.
4. A cordierite-based porous glass ceramic prepared according to the method of any one of claims 1-3.
5. The cordierite-based porous glass ceramic of claim 4, having a coefficient of thermal expansion of 4.20x10 -6 -5.00×10 -6 K -1 The method comprises the steps of carrying out a first treatment on the surface of the The bending strength is 12.0-45.0MPa.
6. The cordierite-based porous glass ceramic of claim 4 having a dielectric constant of 2-3.5 and a dielectric loss of 2.0X10 at a measurement frequency of 21-38GHz -3 -4.0×10 -3 。
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04238858A (en) * | 1990-12-28 | 1992-08-26 | Kyocera Corp | Low-temperature burnt glass ceramic material |
| US5250474A (en) * | 1991-02-07 | 1993-10-05 | Schott Glaswerke | Glass powder which is crystallizable to yield a sintered glass ceramic containing hexagonal cordierite as the principal crystalline phase |
| CN101475396A (en) * | 2008-05-30 | 2009-07-08 | 北京盛康宁科技开发有限公司 | Low expansion heat resisting porous ceramic and preparation thereof |
| WO2018185282A1 (en) * | 2017-04-06 | 2018-10-11 | w rc 1/1SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN | Porous ceramic product |
| CN108947257A (en) * | 2018-05-24 | 2018-12-07 | 电子科技大学 | A kind of cordierite-base microcrystal glass material and preparation method thereof |
| CN110668802A (en) * | 2019-10-30 | 2020-01-10 | 北京交通大学 | Green preparation method of light high-strength cordierite porous ceramic and filter |
| CN111908797A (en) * | 2020-07-28 | 2020-11-10 | 电子科技大学 | Low-thermal-expansion cordierite-based microcrystalline glass material and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180065882A1 (en) * | 2016-09-07 | 2018-03-08 | King Abdulaziz City for Science and Technology (KACST) | Method of making porous mono cordiertie glass ceramic material and its use |
-
2021
- 2021-11-24 CN CN202111406106.8A patent/CN114031297B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04238858A (en) * | 1990-12-28 | 1992-08-26 | Kyocera Corp | Low-temperature burnt glass ceramic material |
| US5250474A (en) * | 1991-02-07 | 1993-10-05 | Schott Glaswerke | Glass powder which is crystallizable to yield a sintered glass ceramic containing hexagonal cordierite as the principal crystalline phase |
| CN101475396A (en) * | 2008-05-30 | 2009-07-08 | 北京盛康宁科技开发有限公司 | Low expansion heat resisting porous ceramic and preparation thereof |
| WO2018185282A1 (en) * | 2017-04-06 | 2018-10-11 | w rc 1/1SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN | Porous ceramic product |
| CN108947257A (en) * | 2018-05-24 | 2018-12-07 | 电子科技大学 | A kind of cordierite-base microcrystal glass material and preparation method thereof |
| CN110668802A (en) * | 2019-10-30 | 2020-01-10 | 北京交通大学 | Green preparation method of light high-strength cordierite porous ceramic and filter |
| CN111908797A (en) * | 2020-07-28 | 2020-11-10 | 电子科技大学 | Low-thermal-expansion cordierite-based microcrystalline glass material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 堇青石基玻璃陶瓷的制备与展望;陈国华等;《佛山陶瓷》;第12卷(第05期);2.2烧结法部分，第2页第2栏第1-13行、最后5行 * |
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