CN101100379A - Method for preparing nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder - Google Patents
Method for preparing nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder Download PDFInfo
- Publication number
- CN101100379A CN101100379A CNA2007101185556A CN200710118555A CN101100379A CN 101100379 A CN101100379 A CN 101100379A CN A2007101185556 A CNA2007101185556 A CN A2007101185556A CN 200710118555 A CN200710118555 A CN 200710118555A CN 101100379 A CN101100379 A CN 101100379A
- Authority
- CN
- China
- Prior art keywords
- amorphous
- crystalline
- composite structure
- spherical powder
- nano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
This invention discloses a method for preparing yttria with its weight percentages of 2-24wt% doped Zirconia nanometer crystal and noncrystal co-constitutive ball-shaped ceramics powder, including cubic phase, tetragonal phase, monoclinic phase nanometer crystal and amorphous, with the complex structure of: even distribution of nanometer crystal and amorphous and nanometer crystal coated with amorphous. The production procedures comprise: coprecipitation, gelatin being slurried, spray-drying, low middle temperature amorphous sintering and high temperature quick surface sintering. This method is of simple process, simple equipment, low cost and can be commercial production. This inventive powder is suitable for parlicularly thermal barrier coating, fuel cell coating, oxygen-sensing coating, corrosion-resistant coating, abrasion-resistant coating; used for manufacturing oxygen-sensor, ceramic-plate of integrated circuit, in aerospace fields.
Description
Technical field
The invention belongs to nano-crystalline and amorphous composite structure powdered material preparing technical field, particularly a kind of preparation nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder method.This powdered material is specially adapted to plasma spraying and prepares the high-performance thermal barrier coating specifically.Simultaneously, this powdered material also can be used for other spraying (plasma spraying, hypersonic flame spraying, detonation flame spraying, cold spraying) prepared fuel cell electrode coating, oxygen sensor coating, anti-corrosion anti-wash away multiple functional coatings such as coating and be used for compression moulding, high-sintering process prepares various ceramic components such as oxygen-sensing sensor, unicircuit ceramic substrate.
Background technology
The yttria-stabilized zirconia ceramic powder material has excellent comprehensive performances such as high temperature under the lower thermal conductivity, high thermal expansion coefficient, 1400 ℃ is stable, anticorrosive mutually, is broad research, the desirable heat barrier coat material that generally adopts now.Because stablizer Y in the zirconium white of stabilized with yttrium oxide
3+Valence mumber and Zr
4+Valence mumber do not wait, for keeping the crystalline electric neutrality thereby at ZrO
2In produced the oxygen room.High-temperature fuel cell solid electrolyte coating and high-temperature fuel cell electrode coating, oxygen sensitive sensor ionogen and the oxygen sensitive sensor electrode coating of using this performance preparation have had more deep research and application.In addition, this kind powdered material also can be used for preparing various electronic ceramic devices such as oxygen-sensing sensor, unicircuit ceramic substrate by compression moulding, high-sintering process.
Problems such as the yttria-stabilized zirconia micrometer structure coating of conventional preparation exists that fragility is serious, coating and high base strength are low.Studies show that of some forward positions, the yttria-stabilized zirconia nano-structured coating of thermospray preparation all is significantly improved at aspects such as mechanical property, thermal property, oxygen ion conductor performances, thereby becomes the focus of current research.Hou Shuen, Wang Yan is new, Xiang Longbin etc. have mentioned being that raw material is by controlling the ratio of water (alcohol), nano-powder material, additive with the nano-powder material in " yttrium stable zirconium oxide agglomerate type powder of nanostructure and the production method thereof " of CN 1587062A, carry out spraying drying behind the configuration slurry, finally obtain yttria-stabilized zirconia nanostructured powders material by sintering.This kind nanostructure hot spraying powder powder material loose density is relatively low, flowability is not high; usually also needing to carry out the energetic plasma processing makes its compact structure finally improve its loose density and flowing property; this process has improved the preparation cost and the spillage of material of powdered material greatly, finally causes the production cost height, is not easy to produce in batches.Lin Feng etc. are at " Materials Science and Engineering journal, 2006 (2), Vol.24 (1), P:66～69 " in " YPSZ nanostructure hot spray powder material technology optimization research ", with at " functional materials, 2005 (11), Vol.36 (11), P:1769～1771 " in " hot spray powder material preparation of spraying drying YPSZ nanostructure and sign " at aspects such as the preparation method of yttria-stabilized zirconia nanostructure ceramic powder material, optimum preparation condition, powdered material performance carried out more deeply, detailed research.Lin Feng, in moonlight, Jiang Xianliang etc. are at " China YouSe Acta Metallurgica Sinica, 2006 (3), Vol.16 (3), P:482～487 " in " plasma spraying nanostructure thermal barrier coating microtexture and performance " in further carried out more deep research at aspects such as the processing method that adopts yttria-stabilized zirconia nanostructure ceramic powder material by the nanostructure yttria-stabilized zirconia coating of plasma spray process preparation, coating heterogeneous microstructure, coating performances.Usually, be nano structural material with crystalline region or further feature length in the material generalized definition of nanometer scale scope (less than 100nm).Grain properties length that will be by the preparation of conventional liquid-phase precipitation, high temperature sintering method is defined as nanometer powder less than the powder of 100nm; And the even structure that will be made up of nanocrystal, fine and close sphere, the powdered material that is suitable for spraying are defined as nanostructure hot spraying powder powder material; The coating of being made up of the part nanocrystal that adopts yttria-stabilized zirconia nanostructured powders material to carry out thermal plasma spraying preparation is defined as nano-structured coating.The powder of will be by conventional liquid-phase precipitation, not reaching the amorphous structure of crystallization temperature sintering method preparation fully is defined as amorphous powder; occur simultaneously but not the crystalline flour end is accompanied by a certain proportion of nanocrystal often, thereby mix the even structure of forming, the sphere of densification, the powdered material that is suitable for spraying by nanocrystal and unbodied amorphous crystal grain the most at last and be defined as nanostructure hot spraying powder powder material.
At present, still not about the research and the patent report of the yttrium oxide stabilization zirconium oxide spherical powder powder material of high performance nano-crystal and amorphous composite structure.The present invention adopts the yttrium oxide stabilization zirconium oxide spherical powder powder material of the nano-crystalline and amorphous composite structure of series of process method preparations such as chemical coprecipitation, gel pulp, spraying drying, the amorphous sintering of middle low temperature or high temperature accelerated surface sintering, has characteristics such as high apparent density, high workability.Utilize the extremely low characteristic of yttria-stabilized zirconia thermal conductivity,, finally obtain the yttrium oxide stabilization zirconium oxide spherical powder powder material of nano-crystalline and amorphous composite structure by effective control SINTERING TECHNOLOGY.The heterogeneous microstructure of the yttrium oxide stabilization zirconium oxide spherical powder powder material of final preparation is a nano-crystalline and amorphous compound globosity.The yttrium oxide stabilization zirconium oxide spherical powder powder material of the nano-crystalline and amorphous composite structure of the present invention's preparation is specially adapted to plasma spraying and prepares the high-performance thermal barrier coating, and the technological process of production of powder is simple, the equipment input is little, with high content of technology, be easy to batch process.
Summary of the invention
The purpose of this invention is to provide a kind of preparation nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder method.For the nanostructure yttrium oxide-stabilized zirconium oxide powder of traditional preparation process, this kind powdered material has novel nano-crystalline and amorphous composite structure, high apparent density more, characteristics such as better flowability have fully satisfied the needs of thermospray (particularly plasma spraying) technology.Another object of the present invention provides a kind of process for producing method with yttrium oxide stabilization zirconium oxide spherical powder powder material of nano-crystalline and amorphous composite structure, this method technical process is simple, easy to operate, the production preparation cost is low, is suitable for characteristics such as suitability for industrialized production.The production method of the powdered material of this kind nano-crystalline and amorphous composite structure not only is used to prepare the stable zirconia ceramics spherical powder material of different ratios Yttrium oxide doping and also can be used for preparing other oxide ceramic powder and the adulterated ceramic powder material of multiple oxide compound constituent element.
A kind of nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder is characterized in that, the spherical ceramic powdered material that this powder is made of jointly the nano-crystalline and amorphous of 2～24wt% Yttrium oxide doping zirconium oxide.
The composite structure of the yttrium oxide stabilization zirconium oxide spherical powder of described nano-crystalline and amorphous composite structure is nanocrystalline and amorphous uniform distribution or the nanocrystalline outer amorphous kernel that coats.
The crystalline structure of the yttrium oxide stabilization zirconium oxide spherical powder of described nano-crystalline and amorphous composite structure is cubic phase (cube phase)+unformed phase or cubic phase (cube phase)+monocline phase+unformed phase.
The median size D of described nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder
50Be 3～100 μ m.
A kind of preparation is nanocrystalline/the amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder method, it is characterized in that, and comprise the steps:
(1) the salt crystalloid with 2～24wt% yttrium mixes with the salt crystalloid of zirconium, with solvent 1 by the weight ratio of crystal gross weight and solvent 1 is again: carried out thorough mixing in 1: 10～1: 40;
(2) evenly adding concentration in mixing solutions is 1%～40% alkali lye, makes that co-precipitation appears in two kinds of salt, ageing 1～12h obtains gel;
(3) be 1: 0.5～4 by weight with gel and solvent 2, mix fully;
(4) add dispersion agent and binding agent in mixed solution, by being made into slurry after ball milling mixing, the ultrasonic dispersing, wherein the weight percentage of dispersion agent in slurry is 0～5%, and the weight percentage of binding agent in slurry is 0～5%;
(5) with spray drying granulation technology slurry is made spherical powder material;
(6) through in the amorphous sintering of low temperature or high temperature accelerated surface sintering obtain the yttrium oxide stabilization zirconium oxide spherical powder powder material of nano-crystalline and amorphous composite structure.
The salt crystalloid of described yttrium is one or more in Yttrium trichloride, yttrium carbonate, Yttrium trinitrate, acetic acid yttrium, the citric acid yttrium crystal, and the salt crystalloid of zirconium is one or more in zirconium oxychloride, zirconium carbonate, zirconium nitrate, zirconium chloride, the acetic acid zirconium crystal.
The described dissolved salts crystalline solvent 1 that is used for is water.
The described alkali lye that is used for co-precipitation is highly basic (sodium hydroxide etc.) or weak base (ammoniacal liquor etc.).
Described solvent 2 is water, alcohol or both equal amount of mixture.
The dispersion agent of described configuration slurry is ethylene glycol 600, ethylene glycol 600 or ethylene glycol 800, and binding agent is PVA (polyvinyl alcohol) or CMC (Xylo-Mucine).
The time of ball milling and ultrasonic dispersing is 0.5～5h in the described configuration slurry process.
Described prilling process be centrifugal spray drying, pressure spray dryer, mixing stir in the drying one of.
Described high temperature accelerated surface sintering process is technologies such as flame plating, plasma spraying, or adopt the amorphous sintering process of low temperature be between near the sintering temperature the ceramic powder crystallization temperature (450～1100 ℃), the sintering process of sintering time 1～12h.
The invention has the beneficial effects as follows:
(1) the present invention proposes a kind of yttrium oxide stabilization zirconium oxide spherical powder powder material of novel nano-crystalline and amorphous composite structure.And the composition mode of having pointed out nano-crystalline granule and amorphous particle composite structure is nanocrystalline and amorphous uniform distribution structure or is the nanocrystalline outer amorphous inner core that coats.
(2) the present invention will be directly used in the slurry of granulation processs such as preparation spraying drying by the gelatinous mass after the chemical coprecipitation ageing, by granulation processs such as spraying dryings that gelatinous mass is dry and obtain the spheric powdered material, the low temperature sintering of the characteristics such as low thermal conductivity of utilizing material by characteristic or the yttrium oxide stabilization zirconium oxide spherical powder powder material of the high temperature Fast Sintering nano-crystalline and amorphous composite structure that obtains being suitable for thermospray (particularly plasma spraying) usefulness.
(3) the yttrium oxide stabilization zirconium oxide spherical powder powder material of the nano-crystalline and amorphous composite structure of the present invention preparation is specially adapted to the thermal plasma spraying coating process and prepares high performance thermal barrier coating, and the technological process of production of this kind powder is simple, equipment drop into little, with high content of technology, be easy to produce in batches.
Description of drawings
Fig. 1 is the optical microscope photograph of the yttrium oxide stabilization zirconium oxide spherical powder powder material of the nanocrystalline and amorphous composite structure of the present invention's preparation.
Fig. 2 is the yttrium oxide stabilization zirconium oxide spherical powder powder material pattern stereoscan photograph of the nanocrystalline and amorphous uniform distribution composite structure of invention preparation.
Fig. 3 is the yttrium oxide stabilization zirconium oxide spherical powder powder material profile scanning electromicroscopic photograph of the nanocrystalline and amorphous uniform distribution composite structure of the present invention's preparation.
Fig. 4 is the nanocrystalline outer yttrium oxide stabilization zirconium oxide spherical powder powder material pattern stereoscan photograph that coats shell-core composite structure in the amorphous of the present invention's preparation.
Fig. 5 is the nanocrystalline outer yttrium oxide stabilization zirconium oxide spherical powder powder material profile scanning electromicroscopic photograph that coats shell-core composite structure in the amorphous of the present invention's preparation.
Fig. 6 is the yttrium oxide stabilization zirconium oxide spherical powder powder material X-ray diffraction analysis collection of illustrative plates of the nanocrystalline and amorphous composite structure of the present invention's preparation.
Fig. 7 is the yttrium oxide stabilization zirconium oxide spherical powder powder material Infrared spectroscopy collection of illustrative plates of the nanocrystalline and amorphous composite structure of the present invention's preparation.
Fig. 8 is the yttrium oxide stabilization zirconium oxide spherical powder powder material Raman spectrum analysis collection of illustrative plates of the nanocrystalline and amorphous composite structure of the present invention's preparation.
Embodiment
The invention provides a kind of preparation nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder method.Further specify below in conjunction with drawings and Examples.
Embodiment 1
Get 100kg zirconium oxychloride and 4.86kg Yttrium trichloride crystal powder, add the 2000kg deionized water, evenly stir and obtain uniform solution.Adding concentration in solution is the ammonia soln 700kg of 5wt%, and co-precipitation obtains gel and carries out the 2h ageing and handle, and obtains about 350kg stable gel after the washing after filtration.
Add the 350kg dehydrated alcohol at 1: 1 according to weight ratio, through stirring ball-milling 2h, ultrasonic dispersing 1h obtains uniform and stable slurry.
Adopt centrifugal spraying drying that uniform and stable gel slurry is carried out spray-drying process, inlet temperature is 330 ℃, and temperature out is 170 ℃, and centrifugal atomizing dish rotating speed is 9000r/min, and cyclonic separator is used to collect the powdered material after the granulation.
With the powdered material after granulating in retort furnace, 650 ℃ of sintering 4h.Powder behind the sintering sieve (325 order) promptly obtain nanocrystalline and yttrium oxide stabilization zirconium oxide spherical powder powder material product amorphous composite structure.
Nanocrystalline and the amorphous composite structure of observing powder by scanning electronic microscope is a uniform distribution.The loose density and the flowability that adopt the GB detection method to measure powder are: loose density 1.9g/cm
3, velocity of flow 34s/50g.(as shown in Figure 1, 2, 3)
Embodiment 2
Get 100kg zirconium carbonate and 7.61kg yttrium carbonate crystal powder, add the 2000kg deionized water, evenly stir and obtain uniform solution.Adding concentration in solution is the ammonia soln 900kg of 5wt.%, and co-precipitation obtains gel and carries out the 2h ageing and handle, and obtains about 390kg stable gel after the washing after filtration.
Add the 390kg dehydrated alcohol at 1: 1 according to weight ratio, through stirring ball-milling 2h, ultrasonic dispersing 2h obtains uniform and stable slurry.
Adopt centrifugal spraying drying that uniform and stable gel slurry is carried out spray-drying process, inlet temperature is 330 ℃, and temperature out is 170 ℃, and centrifugal atomizing dish rotating speed is 9000r/min, and cyclonic separator is used to collect the powdered material after the granulation.
Powdered material after granulating is carried out the high temperature Fast Sintering by the oxyacetylene torch spraying.Powder behind the sintering sieve (150～325 order) promptly obtain nanocrystalline and yttrium oxide stabilization zirconium oxide spherical powder powder material product amorphous composite structure.
Nanocrystalline and the amorphous composite structure of observing powder by scanning electronic microscope is the nanocrystalline outer cladded type structure that coats the amorphous inner core.The loose density and the flowability that adopt the GB detection method to measure powder are: loose density 2.1g/cm
3, velocity of flow 32s/50g.(shown in Fig. 4,5)
Embodiment 3
Get 100kg zirconium nitrate and 1.9kg Yttrium trinitrate crystal powder, add the 2000kg deionized water, evenly stir and obtain uniform solution.Adding concentration in solution is the ammonia soln 600kg of 5wt.%, and co-precipitation obtains gel and carries out the 2h ageing and handle, and obtains about 330kg stable gel after the washing after filtration.
Add the 330kg deionized water at 1: 1 according to weight ratio, 30ml ethylene glycol 600 or ethylene glycol 800,2000mlPVA or CMC, through stirring ball-milling 3h, ultrasonic dispersing 1h obtains uniform and stable slurry.
Adopt centrifugal spraying drying that uniform and stable gel slurry is carried out spray-drying process, inlet temperature is 330 ℃, and temperature out is 170 ℃, and centrifugal atomizing dish rotating speed is 9000r/min, and cyclonic separator is used to collect the powdered material after the granulation.
With the powdered material after granulating in retort furnace, 650 ℃ of sintering 10h.Powder behind the sintering sieve (150～325 order) promptly obtain nanocrystalline and yttrium oxide stabilization zirconium oxide spherical powder powder material product amorphous composite structure.
Nanocrystalline and the amorphous composite structure of observing powder by scanning electronic microscope is a uniform distribution.The loose density and the flowability that adopt the GB detection method to measure powder are: loose density 1.8g/cm
3, velocity of flow 36s/50g (shown in Fig. 6,7,8).
Claims (12)
1. a nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder is characterized in that the spherical ceramic powdered material of being made up of jointly the nano-crystalline and amorphous of 2～24wt% Yttrium oxide doping zirconium oxide.
2. according to the described nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder of claim 1, it is characterized in that the composite structure of the yttrium oxide stabilization zirconium oxide spherical powder of described nano-crystalline and amorphous composite structure is nanocrystalline and amorphous uniform distribution or the nanocrystalline outer amorphous kernel that coats.
3. according to claim 1 or 2 described nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powders, it is characterized in that the crystalline structure of the yttrium oxide stabilization zirconium oxide spherical powder of described nano-crystalline and amorphous composite structure is cubic phase (cube phase)+unformed phase or cubic phase (cube phase)+monocline phase+unformed phase.
4. according to the described nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder of claim 1, it is characterized in that the median size D of described nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder
50Be 3～100 μ m.
5. one kind prepares nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder method, it is characterized in that, comprises the steps:
(1) the salt crystalloid with 2～24wt% yttrium mixes with the salt crystalloid of zirconium, with solvent 1 by the weight ratio of crystal gross weight and solvent 1 is again: carried out thorough mixing in 1: 10～1: 40;
(2) evenly adding concentration in mixing solutions is 1%～40% alkali lye, makes that co-precipitation appears in two kinds of salt, ageing 1～12h obtains gel;
(3) be 1: 0.5～4 by weight with gel and solvent 2, mix fully;
(4) add dispersion agent and binding agent in mixed solution, by being made into slurry after ball milling mixing, the ultrasonic dispersing, wherein the weight percentage of dispersion agent in slurry is 0～5%, and the weight percentage of binding agent in slurry is 0～5%; The time of ball milling and ultrasonic dispersing is respectively 0.5～5h;
(5) with spraying drying or other granulation process slurry is made spherical powder material;
(6) through near the sintering temperature the ceramic powder crystallization temperature be between 450～1100 ℃, the amorphous sintering of middle low temperature of sintering time 1～24h, or adopt flame plating, plasma spraying, high temperature accelerated surface sintering process such as laser sintered to obtain the yttrium oxide stabilization zirconium oxide spherical powder powder material of nano-crystalline and amorphous composite structure.
6. according to the described preparation nano-crystalline and amorphous of claim 5 composite structure yttrium oxide stabilization zirconium oxide spherical powder method, it is characterized in that the salt crystalloid of described yttrium is one or more in Yttrium trichloride, yttrium carbonate, Yttrium trinitrate, acetic acid yttrium, the citric acid yttrium crystal.
7 according to the described preparation nano-crystalline and amorphous of claim 5 composite structure yttrium oxide stabilization zirconium oxide spherical powder method, it is characterized in that, the salt crystalloid of described zirconium is one or more in zirconium oxychloride, zirconium carbonate, zirconium nitrate, zirconium chloride, the acetic acid zirconium crystal.
8. according to the described preparation nano-crystalline and amorphous of claim 5 composite structure yttrium oxide stabilization zirconium oxide spherical powder method, it is characterized in that described solvent 1 is a water.
9 according to the described preparation nano-crystalline and amorphous of claim 5 composite structure yttrium oxide stabilization zirconium oxide spherical powder method, it is characterized in that described solvent 2 is water, alcohol or both equal amount of mixture.
10. according to the described preparation nano-crystalline and amorphous of claim 5 composite structure yttrium oxide stabilization zirconium oxide spherical powder method, it is characterized in that the described alkali lye that is used for co-precipitation is highly basic (sodium hydroxide etc.) or weak base (ammoniacal liquor etc.).
11. according to the described preparation nano-crystalline and amorphous of claim 5 composite structure yttrium oxide stabilization zirconium oxide spherical powder method, it is characterized in that, the dispersion agent of described configuration slurry is ethylene glycol 400, ethylene glycol 600 or ethylene glycol 800, and binding agent is PVA (polyvinyl alcohol) or CMC (Xylo-Mucine).
12. according to the described preparation nano-crystalline and amorphous of claim 5 composite structure yttrium oxide stabilization zirconium oxide spherical powder method, it is characterized in that, described prilling process be centrifugal spray drying, pressure spray dryer, mixing stir in the drying one of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101185556A CN101100379B (en) | 2007-07-10 | 2007-07-10 | Method for preparing nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101185556A CN101100379B (en) | 2007-07-10 | 2007-07-10 | Method for preparing nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101100379A true CN101100379A (en) | 2008-01-09 |
| CN101100379B CN101100379B (en) | 2010-11-03 |
Family
ID=39034864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101185556A Active CN101100379B (en) | 2007-07-10 | 2007-07-10 | Method for preparing nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101100379B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937268A (en) * | 2012-11-15 | 2013-02-20 | 京东方科技集团股份有限公司 | Light guide plate, backlight module and display device |
| CN104211114A (en) * | 2014-08-26 | 2014-12-17 | 洛阳市方德新材料科技有限公司 | Preparation method of nano stabilized zirconium oxide powder |
| CN104837774A (en) * | 2013-01-25 | 2015-08-12 | 同和高科技有限公司 | Stabilized zirconia powder and method for manufacturing precursor thereof |
| CN106164019A (en) * | 2014-02-21 | 2016-11-23 | 都灵理工大学 | The method preparing zirconium oxide Quito phase ceramics composite |
| CN107540017A (en) * | 2016-06-25 | 2018-01-05 | 张尚权 | A kind of preparation method of nanometer of doped yttrium zirconia powder |
| CN108408754A (en) * | 2018-02-05 | 2018-08-17 | 常州市卓群纳米新材料有限公司 | A kind of resistant to plasma being conducive to color after control sprays corrodes the preparation method of granulation yttrium oxide used for hot spraying |
| CN112679209A (en) * | 2020-12-28 | 2021-04-20 | 长裕控股集团有限公司 | Preparation method of black zirconia ceramic material |
| CN112897528A (en) * | 2021-03-24 | 2021-06-04 | 云南华谱量子材料有限公司 | Method for synthesizing boron carbide/carbon powder material by laser sintering |
| CN113480287A (en) * | 2021-06-24 | 2021-10-08 | 湖北三江航天红阳机电有限公司 | Preparation method of yttrium-stabilized zirconium dioxide aerogel/fiber composite material |
| CN114507827A (en) * | 2021-06-30 | 2022-05-17 | 季华实验室 | Preparation method of aluminum-based amorphous composite material and aluminum-based amorphous composite material |
-
2007
- 2007-07-10 CN CN2007101185556A patent/CN101100379B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937268A (en) * | 2012-11-15 | 2013-02-20 | 京东方科技集团股份有限公司 | Light guide plate, backlight module and display device |
| US9329320B2 (en) | 2012-11-15 | 2016-05-03 | Boe Technology Group Co., Ltd. | Light guide plate, backlight module and display device |
| CN104837774A (en) * | 2013-01-25 | 2015-08-12 | 同和高科技有限公司 | Stabilized zirconia powder and method for manufacturing precursor thereof |
| CN106164019A (en) * | 2014-02-21 | 2016-11-23 | 都灵理工大学 | The method preparing zirconium oxide Quito phase ceramics composite |
| CN104211114A (en) * | 2014-08-26 | 2014-12-17 | 洛阳市方德新材料科技有限公司 | Preparation method of nano stabilized zirconium oxide powder |
| CN104211114B (en) * | 2014-08-26 | 2016-06-29 | 洛阳市方德新材料科技有限公司 | The preparation method of nanometer oxide-stabilizing zirconia powder |
| CN107540017A (en) * | 2016-06-25 | 2018-01-05 | 张尚权 | A kind of preparation method of nanometer of doped yttrium zirconia powder |
| CN108408754A (en) * | 2018-02-05 | 2018-08-17 | 常州市卓群纳米新材料有限公司 | A kind of resistant to plasma being conducive to color after control sprays corrodes the preparation method of granulation yttrium oxide used for hot spraying |
| CN108408754B (en) * | 2018-02-05 | 2019-11-12 | 常州市卓群纳米新材料有限公司 | A kind of resistant to plasma being conducive to color after control sprays corrodes the preparation method of granulation yttrium oxide used for hot spraying |
| CN112679209A (en) * | 2020-12-28 | 2021-04-20 | 长裕控股集团有限公司 | Preparation method of black zirconia ceramic material |
| CN112897528A (en) * | 2021-03-24 | 2021-06-04 | 云南华谱量子材料有限公司 | Method for synthesizing boron carbide/carbon powder material by laser sintering |
| CN113480287A (en) * | 2021-06-24 | 2021-10-08 | 湖北三江航天红阳机电有限公司 | Preparation method of yttrium-stabilized zirconium dioxide aerogel/fiber composite material |
| CN114507827A (en) * | 2021-06-30 | 2022-05-17 | 季华实验室 | Preparation method of aluminum-based amorphous composite material and aluminum-based amorphous composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101100379B (en) | 2010-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101100379B (en) | Method for preparing nano-crystalline and amorphous composite structure yttrium oxide stabilization zirconium oxide spherical powder | |
| US8546284B2 (en) | Process for the production of plasma sprayable yttria stabilized zirconia (YSZ) and plasma sprayable YSZ powder produced thereby | |
| CN101070246A (en) | Ceramic heat-barrier coating of stabilizing zirconium oxide by Yttrium oxide, preparing process, its material and production method | |
| CN101182207B (en) | Spraying powder containing yttrium oxide and preparation method thereof | |
| CN108203299A (en) | A kind of method that presoma comminution granulation prepares spherical zirconia powder | |
| CN109574073A (en) | A kind of preparation method of high dispersion nanometer oxide zirconium powder | |
| CN104211114B (en) | The preparation method of nanometer oxide-stabilizing zirconia powder | |
| CN102503402B (en) | Preparation method of bismuth-system superconductive powder | |
| CN111153434A (en) | Preparation method of lanthanum zirconate spherical powder for thermal spraying | |
| CN102718485B (en) | Cerium-doped lanthanum zirconate nano powder and preparation method thereof | |
| CN106588004B (en) | A kind of pure phase rare earth zirconate nano material and preparation method thereof | |
| CN103524128A (en) | Preparation method of yttria-stabilized zirconia tetragonal nano powder with high specific surface area | |
| CN106278255A (en) | A kind of 3YSZ nano-powder and preparation method thereof and purposes | |
| CN103647097B (en) | Sc2o3stablize ZrO2base electrolyte powder body, its preparation method and Sc2o3stablize ZrO2electrolyte ceramics sheet | |
| CN103373743A (en) | Polyol assisted hydrothermal method for synthesis of zirconium oxide nano-powder | |
| CN102139908A (en) | Submicron yttrium oxide and preparation method thereof | |
| CN102557626A (en) | Preparation method of honeycomb-structure spherical powder material for rare earth modified zirconia thermal barrier coating | |
| CN103626491A (en) | In situ synthesis method for Gd2Zr2O7/ZrO2(3Y) nano-powder | |
| CN101367539B (en) | Preparation of nano- luminescent powder body with colloidal sols gel rubber method | |
| Shrivastava et al. | Preparation and characterization of the lithium metatitanate ceramics by solution-combustion method for Indian LLCB TBM | |
| CN108083334A (en) | A kind of preparation method of monodisperse spherical nano zirconium dioxide powder body material | |
| CN111205088A (en) | Method for preparing scandia-stabilized zirconia powder by hydrothermal method and scandia-stabilized zirconia powder prepared by method | |
| CN101234898A (en) | Method for preparing multi-component zirconium oxide based heat barrier oxide nano powder material | |
| CN107364884B (en) | A kind of nano zirconium oxide powder preparation method | |
| CN100368281C (en) | Preparation method of nanometer metal oxide and composite metal oxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100088, 2, Xinjie street, Haidian District, Beijing Co-patentee after: Youyan Powder New Materials Co.,Ltd. Patentee after: GENERAL Research Institute FOR NONFERROUS METALS Address before: 100088, 2, Xinjie street, Haidian District, Beijing Co-patentee before: GRIPM ADVANCED MATERIALS Co.,Ltd. Patentee before: General Research Institute for Nonferrous Metals |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190808 Address after: 101407 Beijing city Huairou District Yanqi Yanqi Economic Development Zone South four Street No. 12 Patentee after: Youyan Powder New Materials Co.,Ltd. Address before: 100088, 2, Xinjie street, Haidian District, Beijing Co-patentee before: Youyan Powder New Materials Co.,Ltd. Patentee before: General Research Institute for Nonferrous Metals |
|
| TR01 | Transfer of patent right |