CN104909776B - A kind of MnZn ferrite sintered mullite ceramic load bearing board - Google Patents
A kind of MnZn ferrite sintered mullite ceramic load bearing board Download PDFInfo
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- CN104909776B CN104909776B CN201510333278.5A CN201510333278A CN104909776B CN 104909776 B CN104909776 B CN 104909776B CN 201510333278 A CN201510333278 A CN 201510333278A CN 104909776 B CN104909776 B CN 104909776B
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Abstract
The invention discloses a kind of MnZn ferrite sintered mullite ceramic load bearing board, including matrix and magnetic oxide coating, using mullite, the zirconium oxide of calcium stable, potassium feldspar, magnesium aluminate spinel, yittrium oxide and fused magnesite as primary raw material, simultaneously, with the addition of the additives such as alumina powder, metallic silicon power, aluminium nitride, nano nickel particles, Ludox, surfactant and carbon fiber, optimize the physical and chemical performance of substrate further, the compound use of zirconium 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 77Mpa, apparent porosity more than 18%, and bulk density is more than 3.0g/cm3.
Description
Technical field
The invention belongs to ceramic burning-resisting board field, hold burning particularly to the ferrite sintered mullite ceramic of MnZn
Plate.
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.
MnZn ferrite is the core sintered body that electron trade is conventional, in its preparation process, by being by base
Body is placed on load bearing board and is sintered.The most common load bearing board material is generally aluminium oxide, but burns at high temperature
During knot, the oxide components in magnetic core easily and load bearing board generation chemical reaction, thus affects load bearing board
Service life and the purity of reduction 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, MnZn of length in service life
Ferrite sintered mullite ceramic load bearing board:
A kind of MnZn ferrite sintered mullite ceramic load bearing board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
20-40 part mullite,
The zirconium oxide of 20-30 part calcium stable,
9-22 part potassium feldspar,
9-22 part magnesium aluminate spinel,
5-10 part yittrium oxide,
5-10 part fused magnesite,
1-3 part alumina powder,
1-3 part metallic silicon power,
1-3 part aluminium nitride,
1-3 part nano nickel particles,
1-3 part Ludox,
1-3 part surfactant,
1-3 part carbon fiber；
Described magnetic oxide coating is made up of following components and weight portion thereof:
90-160 part water, 10-30 part zirconia sol, 5-10 part ferriferrous oxide nano colloidal sol and 1-3 part PVP.
As preferably, the granularity of mullite is 1-10 micron.
As preferably, ferriferrous oxide nano colloidal sol uses coprecipitation to prepare.
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 zirconia sol, 7 parts of ferriferrous oxide nano colloidal sols and 2 parts of PVP.
As preferably, described matrix is made up of following components and weight portion thereof:
30 parts of mullites,
The zirconium oxide of 25 parts of calcium stables,
17 parts of potassium feldspars,
17 parts of magnesium aluminate spinels,
7 parts of yittrium oxide,
7 parts of fused magnesites,
2 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of nano nickel particles,
2 parts of Ludox,
2 parts of surfactants,
2 parts of carbon fibers.
Described MnZn ferrite sintered mullite ceramic load bearing board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 70Mpa, be pressed into substrate base substrate, dry, at 700 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 1400 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 MnZn ferrite.
(2), for particularly as baseplate material, mullite is major ingredient, and the zirconium oxide of calcium stable, potassium feldspar exist
While major ingredient, additionally it is possible to improve the sintering character of substrate, reduce sintering temperature, strengthen the mechanics of substrate
Performance；Yittrium oxide can play toughening effect；And the toughness reinforcing base of magnesium aluminate spinel, aluminium nitride and nano nickel particles
The fire resistance of plate, by adding fused magnesite, improves the comprcssive strength of substrate；Use silicon molten by comprehensive
Glue and surfactant, improve the mixing uniformity of each raw material；And carbon fiber makes substrate more lightweight.
And zirconium oxide and the compound use of ferrum oxide colloidal sol, farthest completely cut off the anti-of magnetic oxide and substrate
Should；Meanwhile, in order to improve the performance of the load bearing board that mullite is main material further, the present invention receives by adding nickel
Rice grain and carbon fiber, not only improve the thermal shock performance of load bearing board, mullite bearing burning plate heat of the most also having taken on a new look
Lead the deficiency that performance is the best.
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 MnZn ferrite sintered mullite ceramic load bearing board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
30 parts of mullites,
The zirconium oxide of 25 parts of calcium stables,
17 parts of potassium feldspars,
17 parts of magnesium aluminate spinels,
7 parts of yittrium oxide,
7 parts of fused magnesites,
2 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of nano nickel particles,
2 parts of Ludox,
2 parts of surfactants,
2 parts of carbon fibers；
Described magnetic oxide coating is made up of following components and weight portion thereof:
125 parts of water, 27 parts of zirconia sols, 7 parts of ferriferrous oxide nano colloidal sols and 2 parts of PVP；
The granularity of mullite is 8 microns；
Ferriferrous oxide nano colloidal sol uses coprecipitation to prepare；
Described surfactant is PVA；
Described MnZn ferrite sintered mullite ceramic load bearing board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 70Mpa, be pressed into substrate base substrate, dry, at 700 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 1400 DEG C,；
Described ceramic burning-resisting board coating layer thickness is 1mm.
Embodiment 2:
A kind of MnZn ferrite sintered mullite ceramic load bearing board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
35 parts of mullites,
The zirconium oxide of 22 parts of calcium stables,
12 parts of potassium feldspars,
17 parts of magnesium aluminate spinels,
6 parts of yittrium oxide,
6 parts of fused magnesites,
2 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of nano nickel particles,
2 parts of Ludox,
2 parts of surfactants,
2 parts of carbon fibers；
Described magnetic oxide coating is made up of following components and weight portion thereof:
132 parts of water, 26 parts of zirconia sols, 8 parts of ferriferrous oxide nano colloidal sols and 1 part of PVP；
The granularity of mullite is 7 microns；
Ferriferrous oxide nano colloidal sol uses coprecipitation to prepare；
Described surfactant is PVA；
Described MnZn ferrite sintered mullite ceramic load bearing board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 70Mpa, be pressed into substrate base substrate, dry, at 700 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 1400 DEG C,；
Described ceramic burning-resisting board coating layer thickness is 1mm.
Embodiment 3:
A kind of MnZn ferrite sintered mullite ceramic load bearing board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
39 parts of mullites,
The zirconium oxide of 22 parts of calcium stables,
17 parts of potassium feldspars,
17 parts of magnesium aluminate spinels,
6 parts of yittrium oxide,
6 parts of fused magnesites,
2 parts of alumina powders,
3 parts of metallic silicon powers,
2 parts of aluminium nitride,
3 parts of nano nickel particles,
2 parts of Ludox,
2 parts of surfactants,
3 parts of carbon fibers；
Described magnetic oxide coating is made up of following components and weight portion thereof:
132 parts of water, 26 parts of zirconia sols, 8 parts of ferriferrous oxide nano colloidal sols and 1 part of PVP；
The granularity of mullite is 9 microns；
Ferriferrous oxide nano colloidal sol uses coprecipitation to prepare；
Described surfactant is PVA；
Described MnZn ferrite sintered mullite ceramic load bearing board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 70Mpa, be pressed into substrate base substrate, dry, at 700 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 1400 DEG C,；
Described ceramic burning-resisting board coating layer thickness is 1mm.
Embodiment 4:
A kind of MnZn ferrite sintered mullite ceramic load bearing board, including matrix and magnetic oxide coating,
Described matrix is made up of following components and weight portion thereof:
39 parts of mullites,
The zirconium oxide of 27 parts of calcium stables,
12 parts of potassium feldspars,
12 parts of magnesium aluminate spinels,
6 parts of yittrium oxide,
6 parts of fused magnesites,
3 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of nano nickel particles,
1 part of Ludox,
2 parts of surfactants,
1 part of carbon fiber；
Described magnetic oxide coating is made up of following components and weight portion thereof:
145 parts of water, 23 parts of zirconia sols, 9 parts of ferriferrous oxide nano colloidal sols and 1 part of PVP；
The granularity of mullite is 7 microns；
Ferriferrous oxide nano colloidal sol uses coprecipitation to prepare；
Described surfactant is PVA；
Described MnZn ferrite sintered mullite ceramic load bearing board, including following preparation process:
(1) substrate is prepared: after being proportioned by raw substrate, mix homogeneously forms powder, through batch mixing
After under 70Mpa, be pressed into substrate base substrate, dry, at 700 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 1400 DEG C,；
Described ceramic burning-resisting board coating layer thickness is 1mm,.
In order to the technique effect of the present invention is described, the physical and chemical performance result statistics of the embodiment of the present invention is as follows:
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 MnZn ferrite sintered mullite ceramic load bearing board, it is characterised in that: include matrix and magnetic
Oxide paint,
Described matrix is made up of following components and weight portion thereof:
20-40 part mullite,
The zirconium oxide of 20-30 part calcium stable,
9-22 part potassium feldspar,
9-22 part magnesium aluminate spinel,
5-10 part yittrium oxide,
5-10 part fused magnesite,
1-3 part alumina powder,
1-3 part metallic silicon power,
1-3 part aluminium nitride,
1-3 part nano nickel particles,
1-3 part Ludox,
1-3 part surfactant,
1-3 part carbon fiber；
Described magnetic oxide coating is made up of following components and weight portion thereof:
90-160 part water, 10-30 part zirconia sol, 5-10 part ferriferrous oxide nano colloidal sol and 1-3 part PVP.
2. a MnZn as claimed in claim 1 ferrite sintered mullite ceramic load bearing board, its feature exists
In: the granularity of mullite is 1-10 micron.
3. a MnZn as claimed in claim 1 or 2 ferrite sintered mullite ceramic load bearing board, it is special
Levy and be: ferriferrous oxide nano colloidal sol uses coprecipitation to prepare.
4. a MnZn as claimed in claim 3 ferrite sintered mullite ceramic load bearing board, its feature exists
In: described surfactant is PVA.
5. a MnZn as claimed in claim 4 ferrite sintered mullite ceramic load bearing board, its feature exists
In: described magnetic oxide coating is made up of following components and weight portion thereof:
125 parts of water, 27 parts of zirconia sols, 7 parts of ferriferrous oxide nano colloidal sols and 2 parts of PVP.
6. a MnZn as claimed in claim 1 ferrite sintered mullite ceramic load bearing board, its feature exists
In: described matrix is made up of following components and weight portion thereof:
30 parts of mullites,
The zirconium oxide of 25 parts of calcium stables,
17 parts of potassium feldspars,
17 parts of magnesium aluminate spinels,
7 parts of yittrium oxide,
7 parts of fused magnesites,
2 parts of alumina powders,
2 parts of metallic silicon powers,
2 parts of aluminium nitride,
2 parts of nano nickel particles,
2 parts of Ludox,
2 parts of surfactants,
2 parts of carbon fibers.
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| CN201510333278.5A CN104909776B (en) | 2015-06-17 | 2015-06-17 | A kind of MnZn ferrite sintered mullite ceramic load bearing board |
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| CN104909776B true CN104909776B (en) | 2016-12-28 |
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Families Citing this family (3)
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| CN109059548A (en) * | 2018-08-21 | 2018-12-21 | 镇江裕太防爆电加热器有限公司 | A kind of switching pallet for triangle magnesium pipe agglomerating plant |
| CN111269019B (en) * | 2020-03-14 | 2022-04-29 | 苏州市伊贝高温技术材料有限公司 | Sintered pollution-free load bearing plate used in ultra-high temperature environment and preparation method thereof |
| CN111848199A (en) * | 2020-08-11 | 2020-10-30 | 长兴鑫原耐火材料科技有限公司 | High-thermal-shock long-service-life sagger and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10051208A1 (en) * | 2000-10-16 | 2002-04-25 | Saint Gobain Industriekeramik | Bearing plate used in tunnel furnaces for firing roofing tile blanks has two conveying strips formed as rails on its lower side arranged at a parallel distance from each other and protruding downward |
| CN101830717A (en) * | 2010-05-11 | 2010-09-15 | 浙江大学 | Zirconium 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 |
| CN102276264A (en) * | 2011-05-18 | 2011-12-14 | 韦国文 | Method for preparing superhigh-temperature light zirconium oxide burning plate |
| CN103724023A (en) * | 2013-12-16 | 2014-04-16 | 广东羚光新材料股份有限公司 | Sintering bearing plate for sintering kiln, and preparation method of sintering bearing plate |
-
2015
- 2015-06-17 CN CN201510333278.5A patent/CN104909776B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10051208A1 (en) * | 2000-10-16 | 2002-04-25 | Saint Gobain Industriekeramik | Bearing plate used in tunnel furnaces for firing roofing tile blanks has two conveying strips formed as rails on its lower side arranged at a parallel distance from each other and protruding downward |
| CN101830717A (en) * | 2010-05-11 | 2010-09-15 | 浙江大学 | Zirconium 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 |
| CN102276264A (en) * | 2011-05-18 | 2011-12-14 | 韦国文 | Method for preparing superhigh-temperature light zirconium oxide burning plate |
| CN103724023A (en) * | 2013-12-16 | 2014-04-16 | 广东羚光新材料股份有限公司 | Sintering bearing plate for sintering kiln, and preparation method of sintering bearing plate |
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Inventor after: Chen Weiqun Inventor before: Liu Zhentian |
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Effective date of registration: 20160929 Address after: 362300 Binjiang Industrial Zone, Quanzhou, Nanan City, Fujian Province Applicant after: Quanzhou create intellectual property service Co., Ltd. Address before: 410205 A543, Changsha, China, the headquarters of the software park, No. 39, sharp mountain road, high tech Development Zone, Hunan, China Applicant before: CHANGSHA DINGCHENG NEW MATERIAL TECHNOLOGY CO., LTD. |
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Effective date of registration: 20170327 Address after: 226200 Nantong City, Qidong Province Economic Development Zone, No. triumph Road, No. 1 Patentee after: Qidong Green Green Engineering Co., Ltd. Address before: 362300 Binjiang Industrial Zone, Quanzhou, Nanan City, Fujian Province Patentee before: Quanzhou create intellectual property service Co., Ltd. |