CN108485602A - A kind of low sintering cerium stabilizing zirconium oxide abrasive media of black - Google Patents
A kind of low sintering cerium stabilizing zirconium oxide abrasive media of black Download PDFInfo
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- CN108485602A CN108485602A CN201810232392.2A CN201810232392A CN108485602A CN 108485602 A CN108485602 A CN 108485602A CN 201810232392 A CN201810232392 A CN 201810232392A CN 108485602 A CN108485602 A CN 108485602A
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- China
- Prior art keywords
- zirconium oxide
- abrasive media
- low sintering
- oxide abrasive
- cerium
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of low sintering cerium stabilizing zirconium oxide abrasive medias of black, formula includes zirconium oxide, cerium oxide, iron powder and aluminium powder, it is in 75% ethyl alcohol that volume fraction is added after formula is mixed, slurry is made in grinding, slurry forms particle by granulation, and the biscuit sintering after grain forming can be obtained abrasive media.Abrasive media of the present invention is made of fine and close cerium stabilizing zirconium oxide particle, has many advantages, such as that density is high, intensity is high and wearability is high, simple process, reliable and stable, production efficiency is high, is suitable for industrialized production.After testing, prepared abrasive media bulk density is 6.0g/cm3~7.0g/cm3, Mohs' hardness is 7.8~8.0,800~850N of compression strength.
Description
Technical field
The present invention relates to cerium stabilizing zirconium oxide abrasive media technical fields, and in particular to a kind of low sintering cerium of black is steady
Determine zirconia grinding media.
Background technology
Zirconium oxide is a kind of high temperature resistant, corrosion-resistant, wear-resistant and with excellent conductive capability inorganic non-metallic material,
Early 1920s begin to be applied to fire resisting material field, American-European in the world since in the mid 1970s
Day, advanced country mutually put into tool money research and development zirconium oxide production technology and zirconia series production unexpectedly, will further aoxidize
The application field of zirconium expands to structural material and functional material, and simultaneous oxidation zirconium is also to encourage to give priority in national industrial policies
One of high-performance new material, be just widely used in industry-by-industry at present.However, since there is zirconium oxide big plasticity to become
Shape is heated to be easy dilatancy after certain temperature, and with the growth course of crystal grain, therefore, very by the method for sintering
Difficulty prepares the abrasive media that crystallite dimension is small, density is big, intensity is high.
Invention content
For the problems such as media density above caused by zirconium oxide dilatancy is small, intensity is low, the present invention
A kind of low sintering cerium stabilizing zirconium oxide abrasive media of black is provided.
The purpose of the present invention will be realized by following technical method：A kind of low sintering cerium stabilizing zirconium oxide grinding of black
Medium, formula includes zirconium oxide, cerium oxide, iron powder and aluminium powder.
Preferably, the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black, is calculated with molar ratio, described
Zirconium oxide is 0.88~0.92, and cerium oxide is 0.03~0.05, and iron powder is 0.01~0.02, and aluminium powder is 0.04~0.05.
Preferably, the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black is added after mixing formula
Volume fraction is to grind and slurry is made in 75% ethyl alcohol, and slurry forms particle by granulation, and the biscuit sintering after grain forming is
Abrasive media can be obtained.
Preferably, the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black, every kilogram of formula are added 200
The ethyl alcohol of~300mL.
Preferably, a kind of black low sintering cerium stabilizing zirconium oxide abrasive media in the granulation process, is adopted
It is granulated with spray dryer, the inlet temperature of spray dryer is 220~240 DEG C, and outlet temperature is 100~120 DEG C.
Preferably, a kind of low sintering cerium stabilizing zirconium oxide abrasive media of black, the granularity of the particle are
The water content of 180~240 mesh, particle is 0.5~1%.
Preferably, the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black, described molding use etc. are quiet
Press-molding, pressure are 200~250MPa, and the dwell time is 2~3min.
Preferably, the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black, the sintering use oxygen
It is sintered in atmosphere, is warming up to 1300~1400 DEG C with the heating rate of 5~10 DEG C/min, after keeping the temperature 2~3 hours, is cooled to room
Temperature.
Preferably, the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black, the biscuit sintering cooling
To room temperature, then 1000~1100 DEG C are warming up to, keep the temperature 5~6 hours, cooled to room temperature.
Compared with prior art, the present invention has following advantageous effect：Abrasive media of the present invention is by fine and close cerium
Stabilizing zirconia particle forms, and has many advantages, such as that density is high, intensity is high and wearability is high, simple process, reliable and stable, production
It is efficient, it is suitable for industrialized production.After testing, prepared abrasive media bulk density is 6.0g/cm3~7.0g/cm3, not
Family name's hardness is 7.8~8.0,800~850N of compression strength.
Specific implementation mode
To more fully understand the present invention, further specific elaboration is made to the present invention below by following embodiment, but not
Limitation of the invention is can be regarded as, some are nonessential according to made by foregoing invention content for those skilled in the art
It improves and adjusts, be also considered as being within the scope of the present invention.
Embodiment 1
A kind of low sintering cerium stabilizing zirconium oxide abrasive media of black, formula includes zirconium oxide, cerium oxide, iron powder and aluminium
Powder, concrete component are as follows：
It is to grind and slurry is made, slurry is by spray in 75% ethyl alcohol that 200ml volume fractions will be added after 1kg formula mixing
Mist drying machine is granulated to form particle, and the inlet temperature of spray dryer is 220 DEG C, and outlet temperature is 120 DEG C, and the granularity of particle is
The water content of 180 mesh, particle is 0.5%, and particle is molded using isostatic pressing machine, pressure 250MPa, dwell time 3min,
Grain biscuit after molding is warming up to 1300 DEG C using being sintered in oxygen atmosphere, with the heating rate of 10 DEG C/min, keeps the temperature 2 hours
Afterwards, it is cooled to room temperature, then is warming up to 1000 DEG C and is made annealing treatment, keep the temperature 6 hours, cooled to room temperature, you can ground
Grinding media.
Embodiment 2
A kind of low sintering cerium stabilizing zirconium oxide abrasive media of black, formula includes zirconium oxide, cerium oxide, iron powder and aluminium
Powder, concrete component are as follows：
It is to grind and slurry is made, slurry is by spray in 75% ethyl alcohol that 300ml volume fractions will be added after 1kg formula mixing
Mist drying machine is granulated to form particle, and the inlet temperature of spray dryer is 240 DEG C, and outlet temperature is 100 DEG C, and the granularity of particle is
The water content of 240 mesh, particle is 1%, and particle is molded using isostatic pressing machine, pressure 200MPa, dwell time 2min, particle
Biscuit after molding uses to be sintered in oxygen atmosphere, and 1400 DEG C are warming up to the heating rate of 5 DEG C/min, cold after keeping the temperature 3 hours
But to room temperature, then 1100 DEG C is warming up to and is made annealing treatment, keep the temperature 5 hours, cooled to room temperature, you can obtain grinding medium
Matter.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of low sintering cerium stabilizing zirconium oxide abrasive media of black, it is characterised in that：Formula includes zirconium oxide, oxidation
Cerium, iron powder and aluminium powder.
2. the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black according to claim 1, it is characterised in that：With
Molar ratio calculates, and the zirconium oxide is 0.88~0.92, and cerium oxide is 0.03~0.05, and iron powder is 0.01~0.02, and aluminium powder is
0.04~0.05.
3. the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black according to claim 1, it is characterised in that：It will
It is to grind and slurry is made in 75% ethyl alcohol that volume fraction is added after formula mixing, and slurry forms particle, grain forming by granulation
Biscuit sintering afterwards can be obtained abrasive media.
4. the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black according to claim 3, it is characterised in that：Often
Kilogram formula be added 200~300mL ethyl alcohol.
5. the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black according to claim 3, it is characterised in that：Institute
It states in granulation process, is granulated using spray dryer, the inlet temperature of spray dryer is 220~240 DEG C, and outlet temperature is
100~120 DEG C.
6. the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black according to claim 3, it is characterised in that：Institute
The granularity for stating particle is 180~240 mesh, and the water content of particle is 0.5~1%.
7. the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black according to claim 3, it is characterised in that：Institute
It states molding to be molded using isostatic pressing machine, pressure is 200~250MPa, and the dwell time is 2~3min.
8. the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black according to claim 3, it is characterised in that：Institute
Sintering is stated using being sintered in oxygen atmosphere, is warming up to 1300~1400 DEG C with the heating rate of 5~10 DEG C/min, heat preservation 2~3 is small
Shi Hou is cooled to room temperature.
9. the low sintering cerium stabilizing zirconium oxide abrasive media of a kind of black according to claim 3, it is characterised in that：Institute
It states after biscuit sintering is cooled to room temperature, then is warming up to 1000~1100 DEG C, keeps the temperature 5~6 hours, cooled to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232392.2A CN108485602A (en) | 2018-03-21 | 2018-03-21 | A kind of low sintering cerium stabilizing zirconium oxide abrasive media of black |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232392.2A CN108485602A (en) | 2018-03-21 | 2018-03-21 | A kind of low sintering cerium stabilizing zirconium oxide abrasive media of black |
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| Publication Number | Publication Date |
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| CN108485602A true CN108485602A (en) | 2018-09-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6462401A (en) * | 1987-09-01 | 1989-03-08 | Showa Denko Kk | Wear resistant magnetized powder |
| CN101133002A (en) * | 2005-03-01 | 2008-02-27 | 圣戈班欧洲设计研究中心 | Zirconia- and cerium-oxide-based sintered bead |
| CN101253129A (en) * | 2005-07-29 | 2008-08-27 | 普里梅精密材料有限公司 | Grinding media and methods associated with the same |
| CN102732212A (en) * | 2011-03-30 | 2012-10-17 | 精工爱普生株式会社 | Polishing media, method for producing polishing media, and polishing method |
| CN104311005A (en) * | 2014-10-11 | 2015-01-28 | 浙江金琨锆业有限公司 | Zirconium-cerium-aluminum composite ceramic beads and preparation method thereof |
-
2018
- 2018-03-21 CN CN201810232392.2A patent/CN108485602A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6462401A (en) * | 1987-09-01 | 1989-03-08 | Showa Denko Kk | Wear resistant magnetized powder |
| CN101133002A (en) * | 2005-03-01 | 2008-02-27 | 圣戈班欧洲设计研究中心 | Zirconia- and cerium-oxide-based sintered bead |
| CN101253129A (en) * | 2005-07-29 | 2008-08-27 | 普里梅精密材料有限公司 | Grinding media and methods associated with the same |
| CN102732212A (en) * | 2011-03-30 | 2012-10-17 | 精工爱普生株式会社 | Polishing media, method for producing polishing media, and polishing method |
| CN104311005A (en) * | 2014-10-11 | 2015-01-28 | 浙江金琨锆业有限公司 | Zirconium-cerium-aluminum composite ceramic beads and preparation method thereof |
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Application publication date: 20180904 |