CN106747432A - Material powder of high abrasion zirconia ceramics part and preparation method thereof - Google Patents

Material powder of high abrasion zirconia ceramics part and preparation method thereof Download PDF

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CN106747432A
CN106747432A CN201710113439.9A CN201710113439A CN106747432A CN 106747432 A CN106747432 A CN 106747432A CN 201710113439 A CN201710113439 A CN 201710113439A CN 106747432 A CN106747432 A CN 106747432A
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parts
graphite
zirconia ceramics
material powder
high abrasion
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何东
张天宇
宋晓超
张天舒
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ANHUI TUOJITAI NOVEL CERAMIC TECHNOLOGY Co Ltd
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ANHUI TUOJITAI NOVEL CERAMIC TECHNOLOGY Co Ltd
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Abstract

The present invention proposes a kind of material powder of high abrasion zirconia ceramics part, in parts by weight, including following raw material：130~150 parts of 80~90 parts of A material, PVA1~4 part, 0.5~2.5 part of Arabic gum, 0.1~1.5 part of glycerine and deionized water；The A material include following component by ratio of weight and the number of copies：0.1~0.5 part of 60~80 parts stable of zirconium oxide of yttrium, 5~10 parts of lanthana, 2~6 parts of clay high, 2~5 parts of graphite and calcium oxide.Preparation method：1) pre-process：By graphite dust technology immersion treatment, then separation of solid and liquid, the graphite for being pre-processed；2) A material are prepared；3) A material, PVA, Arabic gum, glycerine deionized water are mixed to get compound, ball milling obtains slurry in 15~40 hours in adding mixture into ball mill；4) slurry is finally carried out into mist projection granulating, granulation powder is obtained.The material powder wearability is high, and coefficient of friction is low.

Description

Material powder of high abrasion zirconia ceramics part and preparation method thereof
Technical field
The invention belongs to ceramic technology field, and in particular to the material powder and its system of a kind of high abrasion zirconia ceramics part Preparation Method.
Background technology
Although zirconium oxide has comparatively ideal wearability, many zirconia ceramics parts are special due to application field, Need that there is wearability higher, such as Stupalox, ceramic valve, ceramic bearing, ceramic grinding device, wherein ceramic valve is wide The every field in modern industry is applied generally, and many field operating modes are complicated, severe, such as Coal Chemical Industry, polysilicon, power plant remove In the material conveying pipes such as ash, mud and boiler slag removal, valve seal position is not only subject to sealing pair part sliding frictional wear Effect, and bears high temperature high rigidity gas-solid bipolar mixture high speed impact, and the flash distillation introduced of high-pressure fluid and cavitation, and then leads Abrasion is caused, aggravates the abrasion of valve ceramic member, so as to reveal failure.Particularly in coal chemical industry, the medium of conveying (such as water coal Slurry) ultrahard solid content reaches more than 40%, and pressure is big, and valve opening or sealing surface when closing to valve wash away especially Greatly, abrasion is strong.Therefore, for the continuity for ensureing to produce, the service life of zirconia ceramics valve is improved, it is necessary to improve oxygen Change the wearability of zircon ceramic valve ceramic member.
Zirconia ceramics part is into the performance of zirconia ceramics powder determines that zirconium oxide is made pottery by zirconia ceramics powder system The characteristic of porcelain piece finished product.Therefore, the wearability of zirconia ceramics powder should be improved, its coefficient of friction is reduced.
The content of the invention
The present invention proposes a kind of material powder of high abrasion zirconia ceramics part, and the material powder wearability is high, and friction Coefficient is low.
The technical proposal of the invention is realized in this way：
A kind of material powder of high abrasion zirconia ceramics part, in parts by weight, including following raw material：
80~90 parts of A material, PVA1~4 part, 0.5~2.5 part of Arabic gum, 0.1~1.5 part of glycerine and deionized water 130 ~150 parts；The A material include following component by ratio of weight and the number of copies：Yttrium stabilization 60~80 parts of zirconium oxide, 5~10 parts of lanthana, 0.1~0.5 part of 2~6 parts of clay high, 2~5 parts of graphite and calcium oxide；Wherein, the graphite needs to first pass through at dust technology immersion Manage, then separation of solid and liquid.
Preferably, in some embodiments of the present invention, the concentration of the dust technology is 0.5~3mol/L.
Preferably, in some embodiments of the present invention, the granularity of the clay high is 4000~6000 mesh.
It is a further object to provide a kind of preparation method of the material powder of high abrasion zirconia ceramics part, bag Include following steps：
1) pre-process：By graphite dust technology immersion treatment, then separation of solid and liquid, the graphite for being pre-processed；
2) zirconium oxide, lanthana, clay high, graphite and the calcium oxide for weighing yttrium stabilization according to proportioning are well mixed, and obtain A Material；
3) A material, PVA, Arabic gum, glycerine deionized water are mixed to get compound, add mixture into ball mill Middle ball milling obtains slurry in 15~40 hours；
4) slurry is finally carried out into mist projection granulating, granulation powder is obtained.
Preferably, in some embodiments of the present invention, the concentration of the dust technology is 0.5~3mol/L.
Preferably, in some embodiments of the present invention, it is 5~10 that ball mill mill is situated between with the weight ratio of compound：1.
Material powder of the present invention can according to a conventional method be made various ceramic members.During ceramic member is made, yttrium stabilization Zirconium oxide clinker for aggregate as supporter., through high-temperature calcination, formation compactness is good, and wearability is good for the zirconium oxide of yttrium stabilization Zirconia ceramics.
Inventor has found that graphite is by dust technology immersion treatment by test of many times, as long as immersion treatment is by graphite here Submergence is complete, substitutes the lubricating auxiliary agents such as traditional molybdate, magnesia, can significantly reduce zirconia ceramics in high temperature Coefficient of friction at a temperature of (1200~1400 DEG C), while reduce the material porosity rapidly and improve density of material, so that larger The sintering temperature of degree reduction cubic polycrystal zirconia (TZP) material.
The ceramic member wearability being made of material powder of the present invention is high, is conducive to the continuity and persistence for using, especially Ceramic valve is suitably applied, and can be widely applied to other and require wearability ceramic device high or instrument.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 schemes for the powder SEM of the embodiment of the present invention 1.
Specific embodiment
Embodiment 1
A kind of material powder of high abrasion zirconia ceramics part, in parts by weight, including following raw material：
130 parts of 85 parts of A material, PVA3 parts, 1.5 parts of Arabic gum, 0.8 part of glycerine and deionized water；The A material are by weight Number ratio includes following component：0.3 part of 65 parts stable of zirconium oxide of yttrium, 7 parts of lanthana, 4 parts of clay high, 3 parts of graphite and calcium oxide； Wherein, the graphite needs to first pass through the dust technology immersion treatment 35min of 1.2mol/L, then separation of solid and liquid.The grain of clay high It is 5000 mesh to spend.Referring to accompanying drawing 1.
Preparation method, comprises the following steps：
1) pre-process：By dust technology immersion treatment 35min of the graphite by 1.2mol/L, then separation of solid and liquid, obtains The graphite of pretreatment；
2) zirconium oxide, lanthana, clay high, graphite and the calcium oxide for weighing yttrium stabilization according to proportioning are well mixed, and obtain A Material；
3) A material, PVA, Arabic gum, glycerine deionized water are mixed to get compound, add mixture into ball mill Middle ball milling obtains slurry in 30 hours；It is 8 that ball mill mill is situated between with the weight ratio of compound：1；
4) slurry is finally carried out into mist projection granulating, granulation powder is obtained.
Embodiment 2
A kind of material powder of high abrasion zirconia ceramics part, in parts by weight, including following raw material：
130 parts of 80 parts of A material, PVA1 parts, 0.5 part of Arabic gum, 1.5 parts of glycerine and deionized water；The A material are by weight Number ratio includes following component：0.1 part of 60 parts stable of zirconium oxide of yttrium, 5 parts of lanthana, 6 parts of clay high, 2 parts of graphite and calcium oxide； Wherein, the graphite needs to first pass through the dust technology immersion treatment 60min of 0.5mol/L, then separation of solid and liquid.
Preparation method, comprises the following steps：
1) pre-process：By the graphite dust technology immersion treatment 60min of 0.5mol/L, then separation of solid and liquid, obtains pre- place The graphite of reason；
2) zirconium oxide, lanthana, clay high, graphite and the calcium oxide for weighing yttrium stabilization according to proportioning are well mixed, and obtain A Material；
3) A material, PVA, Arabic gum, glycerine deionized water are mixed to get compound, add mixture into ball mill Middle ball milling obtains slurry in 15 hours；It is 5 that ball mill mill is situated between with the weight ratio of compound：1；
4) slurry is finally carried out into mist projection granulating, granulation powder is obtained.
Embodiment 3
A kind of material powder of high abrasion zirconia ceramics part, in parts by weight, including following raw material：
150 parts of 90 parts of A material, PVA4 parts, 2.5 parts of Arabic gum, 0.1 part of glycerine and deionized water；The A material are by weight Number ratio includes following component：80 parts stable of zirconium oxide of yttrium, 10 parts of lanthana, 2 parts of clay high, 5 parts of graphite and calcium oxide 0.5 Part；Wherein, the graphite needs to first pass through the dust technology immersion treatment 15min of 3mol/L, then separation of solid and liquid.
Preparation method, comprises the following steps：
1) pre-process：By the graphite dust technology immersion treatment 60min of 0.5mol/L, then separation of solid and liquid, obtains pre- place The graphite of reason；
2) zirconium oxide, lanthana, clay high, graphite and the calcium oxide for weighing yttrium stabilization according to proportioning are well mixed, and obtain A Material；
3) A material, PVA, Arabic gum, glycerine deionized water are mixed to get compound, add mixture into ball mill Middle ball milling obtains slurry in 40 hours；It is 10 that ball mill mill is situated between with the weight ratio of compound：1；
4) slurry is finally carried out into mist projection granulating, granulation powder is obtained.
The material powder that embodiment 1-3 is obtained is made ceramic member by this area conventional method respectively, separately takes general on the market Logical zirconia ceramics part carries out contrast test.Detected using GB/T3810.6-2006 examination criterias.Testing result shows, Commonly the wearability of zirconia ceramics part is：Wear volume (mm3) >=3, the oxidation that the material powder that embodiment 1-3 is obtained is made The wearability of zircon ceramic part is wear volume (mm3)≤0.5。
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (6)

1. a kind of material powder of high abrasion zirconia ceramics part, it is characterised in that in parts by weight, including following original Material：
80~90 parts of A material, PVA1~4 part, 0.5~2.5 part of Arabic gum, 0.1~1.5 part of glycerine and deionized water 130~150 Part；The A material include following component by ratio of weight and the number of copies：60~80 parts of the zirconium oxide of yttrium stabilization, 5~10 parts of lanthana, height are viscous 0.1~0.5 part of 2~6 parts of soil, 2~5 parts of graphite and calcium oxide；Wherein, the graphite needs to first pass through dust technology immersion treatment, Then separation of solid and liquid.
2. the material powder of high abrasion zirconia ceramics part according to claim 1, it is characterised in that the dust technology Concentration is 0.5~3mol/L.
3. the material powder of high abrasion zirconia ceramics part according to claim 1, it is characterised in that the clay high Granularity is 4000~6000 mesh.
4. the preparation method of the material powder of high abrasion zirconia ceramics part as claimed in claim 1, it is characterised in that including Following steps：
1) pre-process：By graphite dust technology immersion treatment, then separation of solid and liquid, the graphite for being pre-processed；
2) zirconium oxide, lanthana, clay high, graphite and the calcium oxide for weighing yttrium stabilization according to proportioning are well mixed, and obtain A material；
3) A material, PVA, Arabic gum, glycerine deionized water are mixed to get compound, add mixture into ball in ball mill Mill obtains slurry in 15~40 hours；
4) slurry is finally carried out into mist projection granulating, granulation powder is obtained.
5. the preparation method of the material powder of high abrasion zirconia ceramics part according to claim 4, it is characterised in that institute The concentration for stating dust technology is 0.5~3mol/L.
6. the preparation method of the material powder of high abrasion zirconia ceramics part according to claim 4, it is characterised in that ball It is 5~10 that grinding machine mill is situated between with the weight ratio of compound：1.
CN201710113439.9A 2017-02-28 2017-02-28 Material powder of high abrasion zirconia ceramics part and preparation method thereof Pending CN106747432A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112573915A (en) * 2020-07-27 2021-03-30 牧雅阀门有限公司 High-performance special ceramic material and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1597502A (en) * 2004-09-13 2005-03-23 东北师范大学 Nanometer carbon and graphite carbon mixed material and its application in lithium ion battery
CN102173792A (en) * 2011-02-23 2011-09-07 哈尔滨工业大学 Ceramic composite material for thin-strip casting side sealing plate and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1597502A (en) * 2004-09-13 2005-03-23 东北师范大学 Nanometer carbon and graphite carbon mixed material and its application in lithium ion battery
CN102173792A (en) * 2011-02-23 2011-09-07 哈尔滨工业大学 Ceramic composite material for thin-strip casting side sealing plate and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112573915A (en) * 2020-07-27 2021-03-30 牧雅阀门有限公司 High-performance special ceramic material and preparation method thereof

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Application publication date: 20170531