CN105347841A - Preparation method for zirconium oxide porous ceramic sleeve - Google Patents
Preparation method for zirconium oxide porous ceramic sleeve Download PDFInfo
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- CN105347841A CN105347841A CN201510830664.5A CN201510830664A CN105347841A CN 105347841 A CN105347841 A CN 105347841A CN 201510830664 A CN201510830664 A CN 201510830664A CN 105347841 A CN105347841 A CN 105347841A
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Abstract
The invention discloses a preparation method for a zirconium oxide porous ceramic sleeve. The preparation method comprises the following steps: adding a hydrochloric acid solution in a yttrium oxide solution to generate a yttrium chloride solution; mixing the yttrium chloride solution, a zirconium oxychloride solution and polyethylene glycol, and dropwise adding an aqueous ammonia solution to generate yttrium hydroxide precipitate and zirconium hydroxide precipitate; washing the yttrium hydroxide precipitate and the zirconium hydroxide precipitate with water, filtering, then cleaning with absolute ethyl alcohol and drying to obtain a zirconium oxide ceramic precursor; dispersing the obtained zirconium oxide ceramic precursor in the absolute ethyl alcohol, drying and calcining, and then carrying out ball milling to obtain zirconium oxide ceramic powder; mixing the zirconium oxide ceramic powder, a pore former and a tackifier, and then preparing to obtain a sleeve green body; and calcining the sleeve green body, and preparing to obtain the zirconium oxide porous ceramic sleeve. According to the preparation method for the zirconium oxide porous ceramic sleeve, through the pore former and the tackifier, the green body is prepared, and is calcined again to obtain the zirconium oxide porous ceramic sleeve with relatively high mechanical performance.
Description
Technical field
The present invention relates to zirconia material technical field, particularly relate to a kind of zircite porous ceramic cover tube preparation method.
Background technology
At present, stupalith generally has natural porosity, and this natural porosity is made up of and raw-material granular texture raw-material, and the factor decision such as effusion of moisture in dry and roasting process.This Natural porosity may be not enough under a lot of applicable cases, in these cases, importantly, except fire-resistance property, also will ensure good heat-proof quality, electrical insulation capability and mechanical property, and require weight saving.
Develop the multiple ceramic product with higher porosity level in the prior art; the introducing in hole is by so-called pore former commonly; namely the material in hole is formed; such as; in the prior art; pore former is common is the acquisitions such as graphite, polymer beads or fiber, and pore former burns through heating, evaporation or gasification, and can not leave resistates.General and the ceramic precursor of pore former carries out pre-mixing, and volatilizees in calcination steps, and leaving pore in ceramic body thus, this some holes is equivalent to the space originally occupied by voiding-agent particle.
The porous ceramic bodies that the density of gained and weight reduce, is generally widely used in various field, especially industrial circle and artwork field, such as, is applied to the filler in packing tower, various sleeve pipe and porous plate etc.In addition, it is also widely used in all kinds of artwork, e.g., has unique aesthetic vase etc.
But the porous ceramics adopting existing method to prepare still has the poor defect of physical strength, is unfavorable for being applied to such as sintex etc., mechanical properties strength is required in higher ceramic product.
Summary of the invention
Based on this, be necessary that providing a kind of can prepare the higher zircite porous ceramic cover tube preparation method of mechanical properties strength.
A kind of zircite porous ceramic cover tube preparation method, comprises the steps:
Zirconyl chloride solution, yttria solution, ammonia soln, polyoxyethylene glycol, hydrochloric acid soln, water, dehydrated alcohol, pore-forming material and setting agent are provided;
Described hydrochloric acid soln is added in described yttria solution, generates yttrium chloride solution;
After described yttrium chloride solution, described zirconyl chloride solution and described polyoxyethylene glycol being mixed, instill described ammonia soln, generate yttrium hydroxide precipitation and precipitated zirconium hydroxide;
Described yttrium hydroxide precipitation and described precipitated zirconium hydroxide washed and filtered, then adopts dehydrated alcohol clean and dry, obtaining zirconia ceramics presoma;
Described zirconia ceramics presoma is scattered in described dehydrated alcohol, after dry also calcining, carries out ball milling, obtain zirconia ceramics powder;
After described zirconia ceramics powder, described pore-forming material and described setting agent being mixed, make sleeve pipe green compact, wherein, described setting agent is polyvinyl alcohol;
Described sleeve pipe green compact are calcined, prepares described zircite porous ceramic sleeve pipe.
Wherein in an embodiment, after the operation mix described zirconia ceramics powder, described pore-forming material and described setting agent, before making the operation of described green compact, granulation operations can be manageed it.
Wherein in an embodiment, after making the operation of described green compact, also dry compacting operation is carried out to described green compact.
Wherein in an embodiment, the pressure of described dry compacting operation adopts 10MPa ~ 12MPa.
Wherein in an embodiment, the molar concentration rate of described zirconyl chloride solution and described yttria solution is 1:(2 ~ 10).
Wherein in an embodiment, the molar concentration rate of described zirconyl chloride solution and described yttria solution is 1:3.
Wherein in an embodiment, after described green compact being carried out the operation of calcining, also carry out grinding modification operation.
Above-mentioned zircite porous ceramic cover tube preparation method generates yttrium hydroxide precipitation and precipitated zirconium hydroxide by coprecipitation reaction, and obtain zirconia ceramics powder after calcining, adopt pore-forming material and setting agent to make green compact again, after again being calcined by green compact, prepare the zircite porous ceramic sleeve pipe that mechanical properties strength is higher.
Accompanying drawing explanation
Fig. 1 is the schema of the zircite porous ceramic cover tube preparation method of an embodiment.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
As shown in Figure 1, the zircite porous ceramic cover tube preparation method of an embodiment, comprises the steps:
S110: zirconium oxychloride (ZrOCl is provided
2) solution, yttrium oxide (Y
2o
3) solution, ammoniacal liquor (NH
4oH) solution, polyoxyethylene glycol, hydrochloric acid soln, water, dehydrated alcohol, pore-forming material and setting agent.
Such as, provide the zirconium oxychloride of 1mol ~ 1.5mol, the yttrium oxide of 2mol ~ 10mol, the ammoniacal liquor of 8mol ~ 40mol, the hydrochloric acid of 12mol ~ 60mol.
S120: be added to by described hydrochloric acid soln in described yttria solution, generates yttrium chloride solution.
By adding hydrochloric acid soln in yttria solution, yttrium oxide (YCl can be generated
3) solution, for follow-up with zirconium oxychloride generation coprecipitation reaction.
S130: after described yttrium chloride solution, described zirconyl chloride solution and described polyoxyethylene glycol being mixed, instill described ammonia soln, generates yttrium hydroxide precipitation and precipitated zirconium hydroxide.
When after instillation ammonia soln, zirconyl chloride solution and described zirconyl chloride solution are under alkaline environment, and coprecipitation reaction occurs, and reaction formula is as follows:
ZrOCl
2+2NH
4OH+H
20→Zr(OH)
4↓+2NH
4C1
YCl
3+3NH
4OH→Y(OH)
3↓++3NH
4C1
Like this, yttrium hydroxide precipitation (Y (OH) can be generated
3↓) and precipitated zirconium hydroxide (Zr (OH)
4↓), such as, the molar concentration rate of described zirconyl chloride solution and described yttria solution is 1:(2 ~ 10), like this, utilize molar concentration rate for 1:(2 ~ 10) zirconium chloride solution and the yttrium hydroxide for preparing of yttria solution precipitate and precipitated zirconium hydroxide, namely adopt proportioning like this, the zirconia ceramics powder that practical value is higher can be obtained.Preferably, the molar concentration rate of described zirconyl chloride solution and described yttria solution is 1:3, and can prepare 3mol% yttrium stable zirconium oxide powder (3YSZ), its practical value is higher.
Wherein, polyoxyethylene glycol (PEG) is for playing the effect of dispersion agent, in the mixing solutions of solubility zirconates and yttrium salt, introduce the effect that appropriate polyoxyethylene glycol can play steric hindrance, hinder the further agglomeration of micelle, effectively improve dispersiveness and the homogeneity of colloid.
Be appreciated that in aqueous, zirconium hydroxide Zr (OH)
4occur that the PH value range precipitated is 2.2 ~ 3.7, yttrium hydroxide Y (OH)
3the pH value starting to precipitate is 5.8 ~ 6.8, in order to control zirconium hydroxide and yttrium hydroxide is precipitated out simultaneously, to prepare stable yttrium oxide and zirconium white presoma follow-up, such as, after described yttrium chloride solution, described zirconyl chloride solution and described polyoxyethylene glycol being mixed, described ammonia soln is instilled, and control pH is 5.8 ~ 10, like this, zirconium hydroxide and yttrium hydroxide can be made to be precipitated out, to guarantee that zirconium hydroxide and yttrium hydroxide maintain mol ratio that is stable and expection simultaneously.
In order to guarantee that zirconium hydroxide and yttrium hydroxide are precipitated out further simultaneously, such as, instill in the operation of described ammonia soln, also comprise the steps: to measure described zirconium chloride solution, the pH of the mixed solution obtained after described zirconyl chloride solution and described polyoxyethylene glycol mix, when pH is less than 5.8, stirring operation is carried out to described mixed solution, be appreciated that, in the operation adding described ammonia soln, due to take be instillation operation, i.e. titration operation, like this, the pH in solution will be caused to occur the problem that local is excessive, thus cause zirconium hydroxide and hydroxyl oxidize zirconium Zr (OH)
4have precedence over yttrium hydroxide and hydroxyl oxidize yttrium Y (OH)
3be precipitated out, like this, yttrium hydroxide Y (OH)
3just well can not play the effect of stablizer, thus cause in the Zirconium powder synthesized containing a certain amount of m
.zrO
2be unfavorable for generating stable Zirconium powder, by the pH of mixed solution obtained after measuring the mixing of described zirconium chloride solution, described zirconyl chloride solution and described polyoxyethylene glycol, and when pH is less than 5.8, stirring operation is carried out to described mixed solution, can guarantee that the overall pH of solution is balanced, thus make precipitin reaction also more balanced, and then can guarantee that zirconium hydroxide and yttrium hydroxide maintain mol ratio that is stable and expection.
In order to guarantee that zirconium hydroxide and yttrium hydroxide are precipitated out further simultaneously, such as, described stirring operation adopts regional area to stir, with the problem avoiding local pH too high, and for example, described stirring operation adopts magnetic stirring apparatus to carry out, and its mixing effect is more even, thus can guarantee that zirconium hydroxide and yttrium hydroxide are precipitated out simultaneously further.
Fully be precipitated out in order to ensure zirconium hydroxide and yttrium hydroxide, such as, the operation of the described ammonia soln of described instillation adopts the excessive back titration method of ammonia soln, like this, utilize the excess of ammonia aqueous solution that zirconium hydroxide and yttrium hydroxide can be made fully to be precipitated out, in addition, aforesaid method is adopted to prepare crystal grain tiny, good and the powder of easy-sintering of chemical uniformity, superfluous precipitation agent, namely ammonia soln can make the whole positively charged ions in solution precipitate simultaneously, avoid effective cationic loss, improve transformation efficiency to greatest extent, such as, zirconium chloride solution described in back titration, the method of described zirconyl chloride solution ensures cationicly to precipitate completely, in titration process, keep slower rate of titration simultaneously, make positively charged ion can precipitation from homogeneous solution.
S140: described yttrium hydroxide precipitation and described precipitated zirconium hydroxide are washed and filtered, then adopt dehydrated alcohol clean and dry, obtain zirconia ceramics presoma.
By described yttrium hydroxide precipitation and described precipitated zirconium hydroxide are carried out water washing operations, not only can effectively eliminate unnecessary chlorion, but also agglomeration traits can be eliminated as much as possible.Such as, described washing is cleaned for adopting distilled water, like this, can avoid introducing all the other ions.
To wash and after the operation of filtering, adopt dehydrated alcohol to clean, the hydroxyl (-OH) group of throw out colloid surface can be made by oxygen the ethyl (-OC of dehydrated alcohol
2h
5) replace, thus in follow-up powder drying process, the formation of Zr-O-Zr key can be stoped, effectively can reduce the formation of reunion.
In order to remove the chlorion in described yttrium hydroxide precipitation and described precipitated zirconium hydroxide further, such as, carry out repeatedly described washing and described filtration; And for example, vacuum filtration is filtered into described in; And for example, described vacuum filtration adopts vacuum filtration machine to carry out, and like this, can remove the chlorion in described yttrium hydroxide precipitation and described precipitated zirconium hydroxide further.
In order to fully remove the dehydrated alcohol in described yttrium hydroxide precipitation and described precipitated zirconium hydroxide, such as, described drying adopts loft drier to carry out drying; And for example, the parameter setting of described loft drier is: drying temperature 100 DEG C ~ 120 DEG C, 10 hours ~ 12 hours time of drying, like this, fully can remove the dehydrated alcohol in described yttrium hydroxide precipitation and described precipitated zirconium hydroxide.
Such as, in order to reduce the generation of agglomeration traits further, in the operation that described employing dehydrated alcohol is cleaned, also stirring operation is carried out to described yttrium hydroxide precipitation and described precipitated zirconium hydroxide, like this, the generation of agglomeration traits can be reduced further.
S150: be scattered in described dehydrated alcohol by described zirconia ceramics presoma, after dry also calcining, carries out ball milling, obtains zirconia ceramics powder.
By described zirconia ceramics presoma is scattered in described dehydrated alcohol, based on the effect of the dispersion agent that dehydrated alcohol has, especially to zirconia ceramics presoma, there is fabulous wetting effect, can equably zirconia ceramics presoma be disperseed, to avoid agglomeration traits occurs.
The dehydrated alcohol contained in described zirconia ceramics presoma can be removed by drying, be beneficial to follow-up drying, and cleaner zirconia ceramics powder can be prepared.
In order to obtain particle diameter less evenly zirconia ceramics powder, such as, described ball milling is wet ball grinding technique, like this, zirconia ceramics powder and mill ball can be made, and there is fully contact and friction between powder particle, thus can obtain particle diameter less evenly zirconia ceramics powder.
In order to obtain particle diameter less evenly zirconia ceramics powder, such as, carry out in the operation of described ball milling, in described zirconia ceramics presoma, add dispersion agent; And for example, described dispersion agent is dehydrated alcohol; And for example, before carrying out the operation of described ball milling, also mechanical mixing operations is carried out to described zirconia ceramics presoma, like this, the effect of wet ball grinding can be realized better, and zirconia ceramics powder can also be made fully to disperse.
In order to remove dehydrated alcohol better, described zirconia ceramics powder is polluted when calcined zirconia ceramic powder to avoid the dehydrated alcohol that remains, such as, after described ball milling operation, also carry out drying operation to described zirconia ceramics powder at 80 DEG C ~ 100 DEG C, time of drying is 24 hours ~ 30 hours, like this, dehydrated alcohol can be removed better, pollute described zirconia ceramics powder to avoid the dehydrated alcohol that remains when calcined zirconia ceramic powder.
During in order to avoid carrying out the operation of ball milling to zirconia ceramics powder, there is the problem polluting described zirconia ceramics powder, such as, zirconium ball is adopted to carry out ball milling operation to described zirconia ceramics presoma, like this, when can avoid carrying out the operation of ball milling to zirconia ceramics powder, there is the problem polluting described zirconia ceramics powder.
It should be noted that, when temperature is 450 DEG C ~ 460 DEG C, be ZrO
2forming process, and Zr (OH)
4with Y (OH)
3the decomposition of precipitation occurs in this temperature province.Especially it is pointed out that 456 DEG C for ZrO
2crystallization temperature.To in the calcination process of coprecipitated product, before 450 DEG C be one and get rid of free water and Bound moisture process, this process relatively slowly just should can reach the effect got rid of completely, after coprecipitated product gets rid of free water and Bound moisture, suitably can improve temperature rise rate and carry out the insulation of certain hour at sintering end point, being conducive to transformation and the grain growth of crystal formation.
In order to obtain the better zirconia ceramics powder of quality, such as, in the operation of calcining described yttrium hydroxide precipitation and described precipitated zirconium hydroxide, when when calcining for 25 DEG C ~ 400 DEG C, temperature rise rate is 2 DEG C/min, namely per minute heats up 2 degrees Celsius, like this, free water and Bound moisture can be got rid of better, when when calcining for 400 DEG C ~ 600 DEG C, temperature rise rate is 4 DEG C/min, namely per minute heats up 4 degrees Celsius, like this, free water and Bound moisture can be got rid of fully, and at sintering end point 600 DEG C insulation lh, namely 1 hour is incubated, like this, be beneficial to transformation and the grain growth of crystal formation, wherein, after calcination operation completes, corresponding cooling is furnace cooling.Therefore, adopt so calcining temperature control and jabber function, the better zirconia ceramics powder of quality can be obtained, and its better mechanical property.
Be appreciated that to impel zirconia ceramics powder to undergo phase transition, to obtain uniform crystal particles and phenomenon of growing up without exception, and intercrystalline combines more tight, and mechanicalness is better, needs to carry out high temperature sintering to complete phase transition process to zirconia ceramics powder.Wherein, the densification process of zirconia ceramics powder mainly occurs in the temperature range of 1200 DEG C ~ 1500 DEG C, when being in this temperature range, zirconia ceramics powder tendencies toward shrinkage is the most obvious, its relative density constantly increases with the rising of sintering temperature, especially after 1600 DEG C of sintering, its relative density is in higher level, it is to be noted, the mechanical property of densification degree on zirconia ceramics powder of zirconia ceramics powder has great impact, and be not densification degree, or relative density its mechanical property higher is better.Therefore, in order to obtain the better zirconia ceramics powder of quality, especially the better yttrium stable zirconium oxide powder (3YSZ) of quality is obtained, such as, when when sintering for 25 DEG C ~ 500 DEG C, temperature rise rate is 2 DEG C/min, namely per minute heats up 2 degrees Celsius, when at 500 DEG C ~ 1500 DEG C, heat-up rate 5 DEG C/min, namely per minute heats up 5 degrees Celsius, after sintering operation completes, corresponding cooling is furnace cooling, like this, the effect of stable crystal form can be played, make the zirconia ceramics powder after sintering can preserve the yttrium stable zirconium oxide powder of more Tetragonal crystal formation at normal temperatures, i.e. zirconia ceramics powder, test finds to adopt above-mentioned temperature control or jabber function to sinter the zirconia ceramics powder obtained, its comprehensive mechanical performance is best, its bending strength can reach 676 ~ 680MPa, hardness can reach 11.3 ~ 11.5GPa, fracture toughness property can reach 8.9MPa
.m ~ 9.1MPa
.m, and the uniform crystal particles of zirconia ceramics powder and phenomenon of growing up without exception, intercrystalline combines closely, thus can obtain the better zirconia ceramics powder of quality, especially obtains the better yttrium stable zirconium oxide powder (3YSZ) of quality.
S160: after described zirconia ceramics powder, described pore-forming material and described setting agent being mixed, make sleeve pipe green compact.
In order to play the effect of sizing better, such as, described setting agent is polyvinyl alcohol, like this, can play the effect of sizing better.
In order to obtain, quality is better, mechanical property green compact better, such as, after the operation mix described zirconia ceramics powder, described pore-forming material and described setting agent, before making the operation of described green compact, can manage it granulation operations; And for example, after making the operation of described green compact, also dry compacting operation is carried out to described green compact; And for example, the pressure of described dry compacting operation adopts 10MPa ~ 12MPa, like this, can guarantee the compactness of green compact, thus can obtain that quality is better, mechanical property green compact better.Such as, described green compact are sleeve pipe green compact.
S170: calcined by described sleeve pipe green compact, prepares described zircite porous ceramic sleeve pipe.
By calcining green compact, the pore-forming material and setting agent that contain in green compact can be removed, so, the described zircite porous ceramic sleeve pipe with vesicular structure can be generated, and it having light weight and the advantage of satisfactory mechanical property.
In order to obtain the better described zircite porous ceramic sleeve pipe of quality, such as, after described green compact being carried out the operation of calcining, also carry out grinding modification operation, to grind away rib thorn and projection, thus the effect of correction of the flank shape can be played, and then obtain the better described zircite porous ceramic sleeve pipe of quality.
In order to obtain the better described zircite porous ceramic sleeve pipe of mechanical property, and vesicular structure is more uniform and stable, such as, described pore-forming material is starch, be preferably tapioca (flour), it has the simple and cheap advantage of preparation, the mass ratio of described zirconia ceramics powder and described starch is 100:(5 ~ 25), preferably, the mass ratio of described zirconia ceramics powder and described starch is 100:(10 ~ 15), be appreciated that, starch is the main loss stage at 200 DEG C ~ 410 DEG C, namely the highest by thermal evaporation degree containing moisture content in it, when higher than 500 DEG C, lose minimum, namely stationary phase is in, oxygenolysis completes, heat up to continue, then very likely there is the phenomenon that green compact ftracture, such as, when calcining described green compact, 350 DEG C and 500 DEG C are respectively incubated one hour, and temperature rise rate remains on 2 DEG C/min, namely per minute heats up 2 degrees Celsius, like this, the better described zircite porous ceramic sleeve pipe of mechanical property can be obtained, and vesicular structure is more uniform and stable.In addition, starch, outside the effect playing pore-forming material, can also play granulating agent, i.e. the effect of binding agent.
In order to obtain the better described zircite porous ceramic sleeve pipe of mechanical property, and vesicular structure is more uniform and stable, such as, described pore-forming material is the mixture of starch and albumen, such as, described zirconia ceramics powder, the mass ratio of described starch and albumen is 100:(5 ~ 25): (5 ~ 15), be appreciated that, albumen has good foaming power, i.e. pore-creating ability, but also the effect of better bonding can be played, thus the better described zircite porous ceramic sleeve pipe of mechanical property can be obtained, and vesicular structure is more uniform and stable.
In order to obtain the better described zircite porous ceramic sleeve pipe of mechanical property, and vesicular structure is more uniform and stable, such as, described pore-forming material is the mixture of starch, albumen and sucrose, such as, the mass ratio of described zirconia ceramics powder, described starch, albumen and sucrose is 100:(5 ~ 25): (5 ~ 15): (5 ~ 10), be appreciated that, sucrose has the fast and uniform advantage of pore-creating of pore-creating speed, thus can obtain the better described zircite porous ceramic sleeve pipe of mechanical property, and vesicular structure is more uniform and stable.
It is pointed out that starch has the more advantage of pore-creating degree hole count that is high, i.e. pore-creating, but to there is adhesive property poor for it; Albumen has the strong advantage of cohesive force, but it exists the excessive problem in pore-creating space, is unfavorable for integrally-built stability; Sucrose has the uniform advantage of pore-creating porosity, but its cohesiveness and pore-creating degree general, when triplicity is applied in zircite porous ceramic, the drawback brought when being used alone starch, albumen and sucrose can be eliminated, and can reach that pore-creating degree is high, the strong and uniform advantage of pore-creating porosity of cohesive force.
Above-mentioned zircite porous ceramic cover tube preparation method generates yttrium hydroxide precipitation and precipitated zirconium hydroxide by coprecipitation reaction, and obtain zirconia ceramics powder after calcining, adopt pore-forming material and setting agent to make green compact again, after again being calcined by green compact, prepare the zircite porous ceramic sleeve pipe that mechanical properties strength is higher.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a zircite porous ceramic cover tube preparation method, is characterized in that, comprise the steps:
Zirconyl chloride solution, yttria solution, ammonia soln, polyoxyethylene glycol, hydrochloric acid soln, water, dehydrated alcohol, pore-forming material and setting agent are provided;
Described hydrochloric acid soln is added in described yttria solution, generates yttrium chloride solution;
After described yttrium chloride solution, described zirconyl chloride solution and described polyoxyethylene glycol being mixed, instill described ammonia soln, generate yttrium hydroxide precipitation and precipitated zirconium hydroxide;
Described yttrium hydroxide precipitation and described precipitated zirconium hydroxide washed and filtered, then adopts dehydrated alcohol clean and dry, obtaining zirconia ceramics presoma;
Described zirconia ceramics presoma is scattered in described dehydrated alcohol, after dry also calcining, carries out ball milling, obtain zirconia ceramics powder;
After described zirconia ceramics powder, described pore-forming material and described setting agent being mixed, make sleeve pipe green compact, wherein, described setting agent is polyvinyl alcohol;
Described sleeve pipe green compact are calcined, prepares described zircite porous ceramic sleeve pipe.
2. zircite porous ceramic according to claim 1 cover tube preparation method, is characterized in that, after the operation mix, before making the operation of described green compact, can manage it granulation operations by described zirconia ceramics powder, described pore-forming material and described setting agent.
3. zircite porous ceramic cover tube preparation method according to claim 1, is characterized in that, after making the operation of described green compact, also carry out dry compacting operation to described green compact.
4. zircite porous ceramic cover tube preparation method according to claim 3, it is characterized in that, the pressure of described dry compacting operation adopts 10MPa ~ 12MPa.
5. zircite porous ceramic cover tube preparation method according to claim 1, it is characterized in that, the molar concentration rate of described zirconyl chloride solution and described yttria solution is 1:(2 ~ 10).
6. zircite porous ceramic cover tube preparation method according to claim 5, it is characterized in that, the molar concentration rate of described zirconyl chloride solution and described yttria solution is 1:3.
7. zircite porous ceramic cover tube preparation method according to claim 1, is characterized in that, after described green compact being carried out the operation of calcining, also carry out grinding modification operation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108558397A (en) * | 2018-04-26 | 2018-09-21 | 西安建筑科技大学 | A kind of preparation method, cenosphere and the application of high-purity zirconia cenosphere |
| CN112776007A (en) * | 2021-02-02 | 2021-05-11 | 淄博松阳锆业科技有限公司 | Zirconia ceramic scissors and preparation process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172882A (en) * | 2007-10-26 | 2008-05-07 | 华南理工大学 | Method for producing high-strength shock resistant heat insulating porous ceramic |
| CN102743978A (en) * | 2012-07-12 | 2012-10-24 | 三达膜科技（厦门）有限公司 | Method for preparing modified zirconia ceramic ultrafiltration membrane via yttrium doping |
-
2015
- 2015-11-24 CN CN201510830664.5A patent/CN105347841A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172882A (en) * | 2007-10-26 | 2008-05-07 | 华南理工大学 | Method for producing high-strength shock resistant heat insulating porous ceramic |
| CN102743978A (en) * | 2012-07-12 | 2012-10-24 | 三达膜科技（厦门）有限公司 | Method for preparing modified zirconia ceramic ultrafiltration membrane via yttrium doping |
Non-Patent Citations (1)
| Title |
|---|
| 黄勇 等: "氧化锆陶瓷的制备及其应用", 《稀有金属快报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108558397A (en) * | 2018-04-26 | 2018-09-21 | 西安建筑科技大学 | A kind of preparation method, cenosphere and the application of high-purity zirconia cenosphere |
| CN108558397B (en) * | 2018-04-26 | 2021-02-09 | 西安建筑科技大学 | Preparation method of high-purity zirconia cenospheres, cenospheres and application |
| CN112776007A (en) * | 2021-02-02 | 2021-05-11 | 淄博松阳锆业科技有限公司 | Zirconia ceramic scissors and preparation process thereof |
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