CN104909777B - A kind of magnetic core ceramic burning-resisting board - Google Patents
A kind of magnetic core ceramic burning-resisting board Download PDFInfo
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- CN104909777B CN104909777B CN201510336282.7A CN201510336282A CN104909777B CN 104909777 B CN104909777 B CN 104909777B CN 201510336282 A CN201510336282 A CN 201510336282A CN 104909777 B CN104909777 B CN 104909777B
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- resisting board
- ceramic burning
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- 239000000919 ceramic Substances 0.000 title claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 32
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 20
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 claims abstract description 17
- 239000004094 surface-active agent Substances 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910017083 AlN Inorganic materials 0.000 claims abstract description 10
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 239000010431 corundum Substances 0.000 claims abstract description 10
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 10
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011787 zinc oxide Substances 0.000 claims abstract description 10
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims abstract description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 4
- 229910052656 albite Inorganic materials 0.000 claims abstract description 4
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 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 claims abstract description 4
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 13
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- 239000010433 feldspar Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 239000011591 potassium Substances 0.000 claims description 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 claims 1
- 229940056319 ferrosoferric oxide Drugs 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 41
- 239000002994 raw material Substances 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000000654 additive Substances 0.000 abstract 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 11
- 238000002156 mixing Methods 0.000 description 6
- 229940068984 polyvinyl alcohol Drugs 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Magnetic Ceramics (AREA)
Abstract
The invention discloses a kind of magnetic core ceramic burning-resisting board, including matrix and magnetic oxide coating, using sub-white corundum, albite, potassium feldspar, zirconium oxide, yittrium oxide and electrofused mullite as primary raw material, simultaneously, with the addition of the additives such as alumina powder, metallic silicon power, aluminium nitride, silicon nitride, Ludox, surfactant and carbon dust, optimize the physical and chemical performance of substrate further, the compound use of zinc oxide and ferrum oxide colloidal sol prepares coating, has farthest completely cut off the reaction of magnetic oxide and substrate；The ceramic burning-resisting board cold crushing strength of the application reaches more than 60Mpa, apparent porosity more than 23%, and bulk density is more than 3.0g/cm3.
Description
Technical field
The invention belongs to ceramic burning-resisting board field, particularly to magnetic core ceramic burning-resisting board.
Background technology
Load bearing board is the carrier bearing sintering electronic devices and components, and its quality and the quality of performance, to burnt product
Quality, yield, energy consumption, cost etc. have directly impact.During use, load bearing board electricity to be born
Sub-element high temperature sintering temperature and hold and burn the pressure that brought of product, and to stand cold cycling repeatedly,
Therefore it is required that have high temperature resistant, mechanical strength is high, and stable chemical performance, heat-resistant knocking stability is good, service life
The features such as length.
Magnetic core is one of conventional element of electron trade, typically all contains iron oxides in magnetic core；At magnetic core product
In preparation process, by being to be placed on magnetic core base substrate on load bearing board to be sintered.The most common load bearing board material
Generally aluminium oxide, but in high-temperature sintering process, the oxide components in magnetic core easily occurs with load bearing board
Chemical reaction, thus affect the service life of load bearing board and reduce the purity of magnetic core.
Summary of the invention
It is an object of the invention to for the problems referred to above, develop a kind of high temperature resistant, magnetic core pottery of length in service life
Porcelain load bearing board:
A kind of magnetic core ceramic burning-resisting board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
20-40 part sub-white corundum,
20-30 part albite,
10-20 part potassium feldspar,
10-20 part zirconium oxide,
5-10 part yittrium oxide,
5-10 part electrofused mullite,
1-3 part alumina powder,
1-3 part metallic silicon power,
1-3 part aluminium nitride,
1-3 part silicon nitride,
1-3 part Ludox,
1-3 part surfactant,
1-3 part carbon dust；
Described magnetic oxide coating is made up of following components and weight portion thereof:
100-150 part water, 10-30 part zinc oxide colloidal sol, 5-10 part ferriferrous oxide nano colloidal sol and 1-3 part are poly-
Vinyl alcohol.
As preferably, the granularity of sub-white corundum is 1-10 micron.
As preferably, the particle diameter of ferriferrous oxide nano colloidal sol is 10-100 nanometer.
As preferably, described surfactant is PVA.
As preferably, described magnetic oxide coating is made up of following components and weight portion thereof: 125 parts of water, 27
Part zinc oxide colloidal sol, 7 parts of ferriferrous oxide nano colloidal sols and 2 parts of polyvinyl alcohol.
As preferably, described matrix is made up of following components and weight portion thereof:
30 parts of sub-white corundums,
25 parts of albites,
15 parts of potassium feldspars,
15 parts of zirconium oxides,
7 parts of yittrium oxide,
7 parts of electrofused mullites,
2 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of silicon nitrides,
2 parts of Ludox,
2 parts of surfactants,
2 parts of carbon dusts.
Described magnetic core ceramic burning-resisting board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 90Mpa, be pressed into substrate base substrate, dry, at 800 DEG C sinter 2 hours, obtain substrate；
(2) coating is obtained after being proportioned by coating raw material；
(3) coating is sprayed at substrate surface, after drying, sinters 2 hours at 1550 DEG C,.
Beneficial effects of the present invention:
(1) use the structure of substrate+dope layer, not only remain the fire resistance of substrate, have also by coating
Imitate reduces the pollution for substrate of the magnetic core oxide.
(2), for particularly as baseplate material, sub-white corundum is major ingredient, and albite, potassium feldspar are as master
While material, additionally it is possible to improve the sintering character of substrate, reduce sintering temperature, the zirconium oxide of yttria toughened,
Aluminium nitride and the toughness reinforcing fire resistance of substrate of silicon nitride, by adding electrofused mullite, improve the anti-of substrate
Compressive Strength；Use Ludox and surfactant by comprehensive, improve the mixing uniformity of each raw material；And
Carbon dust makes substrate more lightweight.And zinc oxide and the compound use of ferrum oxide colloidal sol, farthest isolation
Magnetic oxide and the reaction of substrate.
Detailed description of the invention
Below in conjunction with specific embodiment, and with reference to data, the present invention is described in further detail.Should be understood that these
The embodiment present invention solely for the purpose of illustration, rather than limit the scope of the present invention by any way.
Embodiment 1:
A kind of magnetic core ceramic burning-resisting board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
30 parts of sub-white corundums,
25 parts of albites,
15 parts of potassium feldspars,
15 parts of zirconium oxides,
7 parts of yittrium oxide,
7 parts of electrofused mullites,
2 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of silicon nitrides,
2 parts of Ludox,
2 parts of surfactants,
2 parts of carbon dusts；
Described magnetic oxide coating is made up of following components and weight portion thereof:
125 parts of water, 27 parts of zinc oxide colloidal sols, 7 parts of ferriferrous oxide nano colloidal sols and 2 parts of polyvinyl alcohol；
The granularity of sub-white corundum is 8 microns；
The particle diameter of ferriferrous oxide nano colloidal sol is 50 nanometers；
Described surfactant is PVA；
Described magnetic core ceramic burning-resisting board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 90Mpa, be pressed into substrate base substrate, dry, at 800 DEG C sinter 2 hours, obtain substrate；
(2) coating is obtained after being proportioned by coating raw material；
(3) coating is sprayed at substrate surface, after drying, sinters 2 hours at 1550 DEG C,；
Described ceramic burning-resisting board coating layer thickness is 1mm, and cold crushing strength is 60Mpa, and apparent porosity is 25%,
Bulk density is 3.1g/cm3.
Embodiment 2:
A kind of magnetic core ceramic burning-resisting board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
35 parts of sub-white corundums,
22 parts of albites,
12 parts of potassium feldspars,
17 parts of zirconium oxides,
6 parts of yittrium oxide,
6 parts of electrofused mullites,
2 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of silicon nitrides,
2 parts of Ludox,
2 parts of surfactants,
2 parts of carbon dusts；
Described magnetic oxide coating is made up of following components and weight portion thereof:
134 parts of water, 26 parts of zinc oxide colloidal sols, 8 parts of ferriferrous oxide nano colloidal sols and 1 part of polyvinyl alcohol；
The granularity of sub-white corundum is 7 microns；
The particle diameter of ferriferrous oxide nano colloidal sol is 40 nanometers；
Described surfactant is PVA；
Described magnetic core ceramic burning-resisting board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 90Mpa, be pressed into substrate base substrate, dry, at 800 DEG C sinter 2 hours, obtain substrate；
(2) coating is obtained after being proportioned by coating raw material；
(3) coating is sprayed at substrate surface, after drying, sinters 2 hours at 1550 DEG C,；
Described ceramic burning-resisting board coating layer thickness is 1mm, and cold crushing strength is 62Mpa, and apparent porosity is 23%,
Bulk density is 3.0g/cm3.
Embodiment 3:
A kind of magnetic core ceramic burning-resisting board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
39 parts of sub-white corundums,
24 parts of albites,
15 parts of potassium feldspars,
15 parts of zirconium oxides,
6 parts of yittrium oxide,
6 parts of electrofused mullites,
2 parts of alumina powders,
3 parts of metallic silicon powers,
2 parts of aluminium nitride,
3 parts of silicon nitrides,
2 parts of Ludox,
2 parts of surfactants,
3 parts of carbon dusts；
Described magnetic oxide coating is made up of following components and weight portion thereof:
134 parts of water, 26 parts of zinc oxide colloidal sols, 8 parts of ferriferrous oxide nano colloidal sols and 1 part of polyvinyl alcohol；
The granularity of sub-white corundum is 9 microns；
The particle diameter of ferriferrous oxide nano colloidal sol is 70 nanometers；
Described surfactant is PVA；
Described magnetic core ceramic burning-resisting board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 90Mpa, be pressed into substrate base substrate, dry, at 800 DEG C sinter 2 hours, obtain substrate；
(2) coating is obtained after being proportioned by coating raw material；
(3) coating is sprayed at substrate surface, after drying, sinters 2 hours at 1550 DEG C,；
Described ceramic burning-resisting board coating layer thickness is 1mm, and cold crushing strength is 67Mpa, and apparent porosity is 25%,
Bulk density is 3.4g/cm3.
Embodiment 4:
A kind of magnetic core ceramic burning-resisting board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
39 parts of sub-white corundums,
27 parts of albites,
12 parts of potassium feldspars,
12 parts of zirconium oxides,
6 parts of yittrium oxide,
6 parts of electrofused mullites,
3 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of silicon nitrides,
1 part of Ludox,
2 parts of surfactants,
1 part of carbon dust；
Described magnetic oxide coating is made up of following components and weight portion thereof:
145 parts of water, 23 parts of zinc oxide colloidal sols, 9 parts of ferriferrous oxide nano colloidal sols and 1 part of polyvinyl alcohol；
The granularity of sub-white corundum is 7 microns；
The particle diameter of ferriferrous oxide nano colloidal sol is 90 nanometers；
Described surfactant is PVA；
Described magnetic core ceramic burning-resisting board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 90Mpa, be pressed into substrate base substrate, dry, at 800 DEG C sinter 2 hours, obtain substrate；
(2) coating is obtained after being proportioned by coating raw material；
(3) coating is sprayed at substrate surface, after drying, sinters 2 hours at 1550 DEG C,；
Described ceramic burning-resisting board coating layer thickness is 1mm, and cold crushing strength is 67Mpa, and apparent porosity is 28%,
Bulk density is 3.2g/cm3.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and
And without departing from the spirit or essential characteristics of the present invention, it is possible to realize this in other specific forms
Bright.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be non-limiting
, the scope of the present invention is limited by claims rather than described above, wants it is intended that will fall in right
All changes in the implication of the equivalency asked and scope are included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, but the most each embodiment party
Formula only comprises an independent technical scheme, and this narrating mode of description is only for clarity sake, ability
Field technique personnel should be using description as an entirety, and the technical scheme in each embodiment can also be through suitable group
Close, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. a magnetic core ceramic burning-resisting board, it is characterised in that: include matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
20-40 part sub-white corundum,
20-30 part albite,
10-20 part potassium feldspar,
10-20 part zirconium oxide,
5-10 part yittrium oxide,
5-10 part electrofused mullite,
1-3 part alumina powder,
1-3 part metallic silicon power,
1-3 part aluminium nitride,
1-3 part silicon nitride,
1-3 part Ludox,
1-3 part surfactant,
1-3 part carbon dust；
Described magnetic oxide coating is made up of following components and weight portion thereof:
100-150 part water, 10-30 part zinc oxide colloidal sol, 5-10 part ferriferrous oxide nano colloidal sol and 1-3 part polyethylene
Alcohol.
2. a magnetic core ceramic burning-resisting board as claimed in claim 1, it is characterised in that: the granularity of sub-white corundum
For 1-10 micron.
3. a magnetic core ceramic burning-resisting board as claimed in claim 1 or 2, it is characterised in that: ferroso-ferric oxide
The particle diameter of Nano sol is 10-100 nanometer.
4. a magnetic core ceramic burning-resisting board as claimed in claim 3, it is characterised in that: described surfactant
For PVA.
5. a magnetic core ceramic burning-resisting board as claimed in claim 4, it is characterised in that: described magnetic oxide
Coating is made up of following components and weight portion thereof:
125 parts of water, 27 parts of zinc oxide colloidal sols, 7 parts of ferriferrous oxide nano colloidal sols and 2 parts of polyvinyl alcohol.
6. a magnetic core ceramic burning-resisting board as claimed in claim 1, it is characterised in that: described matrix is by following
Component and weight portion thereof are made:
30 parts of sub-white corundums,
25 parts of albites,
15 parts of potassium feldspars,
15 parts of zirconium oxides,
7 parts of yittrium oxide,
7 parts of electrofused mullites,
2 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of silicon nitrides,
2 parts of Ludox,
2 parts of surfactants,
2 parts of carbon dusts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510336282.7A CN104909777B (en) | 2015-06-17 | 2015-06-17 | A kind of magnetic core ceramic burning-resisting board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510336282.7A CN104909777B (en) | 2015-06-17 | 2015-06-17 | A kind of magnetic core ceramic burning-resisting board |
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| CN104909777A CN104909777A (en) | 2015-09-16 |
| CN104909777B true CN104909777B (en) | 2016-12-28 |
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| CN109956762A (en) * | 2019-03-20 | 2019-07-02 | 安徽弘昌新材料有限公司 | A kind of novel lithium battery burning alms bowl surface covering preparation process |
| CN110922199B (en) * | 2019-12-31 | 2022-05-20 | 湖南仁海科技材料发展有限公司 | Burning bearing plate for black zirconia ceramic burning and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423414A (en) * | 2008-11-27 | 2009-05-06 | 中钢集团洛阳耐火材料研究院有限公司 | High temperature and creep resistance corundum-mullite load bearing board and preparation method thereof |
| CN101830717A (en) * | 2010-05-11 | 2010-09-15 | 浙江大学 | Zirconium sol reinforced corundum-mullite product and production method thereof |
| CN101857448A (en) * | 2010-06-03 | 2010-10-13 | 安吉科灵磁性材料有限公司 | Titanium dioxide sol reinforced corundum-mullite product and production method thereof |
| CN101891487A (en) * | 2010-06-25 | 2010-11-24 | 夏卫平 | Zirconium oxide sandwich composite calcining-endure plate and preparation process thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10226579A (en) * | 1997-02-12 | 1998-08-25 | Takasago Ind Co Ltd | Shelf board for baking plate tile |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423414A (en) * | 2008-11-27 | 2009-05-06 | 中钢集团洛阳耐火材料研究院有限公司 | High temperature and creep resistance corundum-mullite load bearing board and preparation method thereof |
| CN101830717A (en) * | 2010-05-11 | 2010-09-15 | 浙江大学 | Zirconium sol reinforced corundum-mullite product and production method thereof |
| CN101857448A (en) * | 2010-06-03 | 2010-10-13 | 安吉科灵磁性材料有限公司 | Titanium dioxide sol reinforced corundum-mullite product and production method thereof |
| CN101891487A (en) * | 2010-06-25 | 2010-11-24 | 夏卫平 | Zirconium oxide sandwich composite calcining-endure plate and preparation process thereof |
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