CN109320252A - A kind of abradable porous ceramic material and preparation method thereof - Google Patents
A kind of abradable porous ceramic material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of abradable porous ceramic materials and preparation method thereof, it is related to porous ceramic technology field, the abradable porous ceramic material, is made of the raw material of following parts by weight: 10-20 parts of aluminium oxide, 5-15 parts of iron oxide, 5-10 parts of magnesia, 2-8 parts of nickel oxide, 5-15 parts of silica, 5-10 parts of nano-titanium dioxide, 5-15 parts of calcium silicates, 10-20 parts of silicon carbide, 2-8 parts of boron nitride, 2-7 parts of mica mountain flour, 5-15 parts of clay, 5-10 parts of diatomite, 1-5 parts of binder, 0.5-1.5 parts of foaming agent, 1-3 parts of stabilizer.Porous ceramic film material proposed by the present invention changes traditional foam process, it is foamed with the technique that fretting map is molded, porous ceramic film material porosity obtained is high, hole is uniform, mechanical property is good, and unharmful substance distributes during the preparation process, meets the consciousness of people's environmental protection.
Description
Technical field:
The present invention relates to porous ceramic technology fields, and in particular to a kind of abradable porous ceramic material and preparation method thereof.
Background technique:
Ceramics are using clay and china clay both clays of different nature as raw material, by ingredient, molding, drying, roasting
Implements made of equal process flows.Porcelain industry is the traditional industry in China, ceramic product be China's light industry pillar industry and
Export key product.Ceramic product not only only has domestic ceramics, and the type of industrial ceramics is also very much, and porous ceramics is exactly industry pottery
The one of which of porcelain.
Porous ceramic film material is using quality raw materials such as emergy, silicon carbide, cordierites as major ingredient, through overmolding and special height
The preparation of warm sintering process it is a kind of with open pore size, high apparent porosity a kind of porous ceramic materials in the past 30 years by
A kind of new ceramic material of extensive concern, because its matrix pore structure can realize multiple functions characteristic, so also known as stomata
Functional material.Not only with good chemical stability and thermal stability but also with excellent permeability, high-ratio surface
The performances such as long-pending, extremely low conductivity and thermal conductivity.It can be used as filtering material, catalyst carrier, heat preserving and insulating material, biological function
Material etc. has been widely used for the numerous areas such as chemical industry, the energy, metallurgy, biological medicine, environmental protection, aerospace at present.
Currently, how to prepare porosity height, the porous ceramics of good mechanical properties is urgent problem.
Summary of the invention:
Technical problem to be solved by the present invention lies in provide a kind of abradable porous ceramic material and preparation method thereof.
The following technical solution is employed for the technical problems to be solved by the invention to realize:
A kind of abradable porous ceramic material, is made of the raw material of following parts by weight: 10-20 parts of aluminium oxide, iron oxide 5-15
Part, 5-10 parts of magnesia, 2-8 parts of nickel oxide, 5-15 parts of silica, 5-10 parts of nano-titanium dioxide, 5-15 parts of calcium silicates, carbon
10-20 parts of SiClx, 2-8 parts of boron nitride, 2-7 parts of mica mountain flour, 5-15 parts of clay, 5-10 parts of diatomite, 1-5 parts of binder, hair
0.5-1.5 parts of infusion, 1-3 parts of stabilizer.
Further, the abradable porous ceramic material, is made of the raw material of following parts by weight: 15 parts of aluminium oxide, oxidation
10 parts of iron, 8 parts of magnesia, 5 parts of nickel oxide, 0 part of silica 1,8 parts of nano-titanium dioxide, 10 parts of calcium silicates, silicon carbide 15
Part, 5 parts of boron nitride, 4 parts of sericite in powder, 10 parts of clay, 8 parts of diatomite, 3 parts of binder, 1 part of foaming agent, 2 parts of stabilizer.
The binder is made of the raw material of following parts by weight: 10-20 parts of bentonite, 5-10 parts of zinc oxide, zirconium silicate 2-8
Part, 5-10 parts of sepiolite powder, 5-10 parts of zeolite powder, 5-15 parts of flake asbestos, 5-10 parts of hydroxypropyl methyl cellulose, phenolic resin
10-20 parts, 5-15 parts of nitrile rubber, 2-8 parts of sodium benzoate, 2-6 parts of glycerol, 1-5 parts of stearmide, 2-8 parts of polyethylene glycol, water
100-150 parts.
The binder the preparation method comprises the following steps: (a) into water be added sepiolite powder, zeolite powder, flake asbestos ultrasound 0.5-1h,
Bentonite, hydroxypropyl methyl cellulose, zinc oxide, zirconium silicate is added thereto again, shakes 0.5h, microwave reflux 20-30min,
Keep the temperature 10-30min；(b) phenolic resin, nitrile rubber, glycerol, stearmide, polyethylene glycol are sufficiently mixed, are uniformly mixed
Afterwards, it is heated to 120-150 DEG C, constant temperature stirs 10-20min, then proceedes to be heated to 150-180 DEG C, and constant temperature stirs 5-10min,
Mixing speed is 800-1000r/min；(c) mixture in step (a), the mixture in step (b), sodium benzoate are mixed
Uniformly, it is transferred in ball mill, ball milling 4-5h, takes out, be sealed.
The operating condition of the microwave treater is that microwave frequency is 2450MHz, output power 800W.
The foaming agent is supercritical carbon dioxide.
The stabilizer is rare-earth stabilizer.
The present invention also proposes a kind of preparation method of abradable porous ceramic material, comprising the following steps:
(1) sericite in powder, clay, diatomite are put into ball mill ball milling under conditions of revolving speed is 130-170r/min
2-3h, then aluminium oxide, iron oxide, magnesia, nickel oxide, silica, nano-titanium dioxide, calcium silicates, carbon are added thereto
SiClx, boron nitride continue ball milling 1.5-2.5h, obtain mixed powder, spare；
(2) mixed powder, binder, the stabilizer in step (1) are added to and are preheated to 150-200 DEG C of injection molding in advance
In molder barrel, fusion plastification is carried out；
(3) under the conditions of 60-150Mpa, supercritical carbon dioxide is rapidly injected the melt in injection moulding machine machine barrel
In, by screw rod shearing, makes supercritical carbon dioxide dispersion homogenizing, sufficiently dissolved with melt, form single-phase melt body, kept at this time
Pressure be injected into the mold that temperature is 30-80 DEG C after saturation balance and carry out mold filling, cooling and shaping after the completion of mold filling；
(4) mould pickup is opened, it is then subjected to pre-sintering 4-6h at 700-900 DEG C, obtains semi-finished product；
(5) semi-finished product in step (4) are obtained into porous ceramics material in 1100-1300 DEG C of progress high temperature sintering 8-12h
Material.
The beneficial effects of the present invention are:
(1) porous ceramic film material proposed by the present invention is added to metal oxide, silica, silicon carbide in the feed
Deng, not only increase ceramics intensity, further improve ceramics brittleness, keep obtained porous ceramic film material wearability good, power
It is high to learn performance；
(2) present invention also added binder in the feed, contains phenolic resin, nitrile rubber etc. in binder, makes institute
Binder viscosity obtained is good, and adhesion strength is high, keeps the connection between ceramics even closer, improves obtained ceramics into one
The performance of material；
(3) present invention passes through overcritical titanium dioxide using the technique of fretting map injection molding in the preparation method of porous ceramics
Carbon foams to raw material, keeps obtained porous ceramic film material porosity height, hole uniform；
(4) porous ceramic film material proposed by the present invention changes traditional foam process, is carried out with the technique of fretting map injection molding
Foaming, porous ceramic film material porosity obtained is high, hole is uniform, mechanical property is good, and during the preparation process without nuisance
Matter distributes, and meets the consciousness of people's environmental protection.
Specific embodiment:
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
A kind of abradable porous ceramic material, is made of the raw material of following parts by weight: 10 parts of aluminium oxide, 15 parts of iron oxide, oxygen
Change 5 parts of magnesium, 8 parts of nickel oxide, 5 parts of silica, 10 parts of nano-titanium dioxide, 5 parts of calcium silicates, 20 parts of silicon carbide, boron nitride 2
Part, 7 parts of mica mountain flour, 5 parts of clay, 10 parts of diatomite, 1 part of binder, 1.5 parts of foaming agent, 1 part of stabilizer.
Binder is made of the raw material of following parts by weight: 10 parts of bentonite, 10 parts of zinc oxide, 2 parts of zirconium silicate, sepiolite powder
10 parts, 5 parts of zeolite powder, 15 parts of flake asbestos, 5 parts of hydroxypropyl methyl cellulose, 20 parts of phenolic resin, 5 parts of nitrile rubber, benzoic acid
8 parts of sodium, 2 parts of glycerol, 5 parts of stearmide, 2 parts of polyethylene glycol, 100 parts of water.
Binder the preparation method comprises the following steps: (a) into water be added sepiolite powder, zeolite powder, flake asbestos ultrasound 0.5h, then to its
Middle addition bentonite, hydroxypropyl methyl cellulose, zinc oxide, zirconium silicate, shake 0.5h, and microwave reflux 20min keeps the temperature 10min；
(b) phenolic resin, nitrile rubber, glycerol, stearmide, polyethylene glycol are sufficiently mixed, after mixing, are heated to 130 DEG C,
Constant temperature stirs 10min, then proceedes to be heated to 160 DEG C, constant temperature stirs 5min, mixing speed 800r/min；(c) by step
(a) mixture in mixture, step (b), sodium benzoate in are uniformly mixed, and are transferred in ball mill, ball milling 4h, are taken out, close
Envelope saves.
The operating condition of microwave treater is that microwave frequency is 2450MHz, output power 800W.
Foaming agent is supercritical carbon dioxide.
Stabilizer is rare-earth stabilizer.
A kind of preparation method of abradable porous ceramic material the following steps are included:
(1) sericite in powder, clay, diatomite are put into ball mill ball milling 2h under conditions of revolving speed is 150r/min,
Again thereto be added aluminium oxide, iron oxide, magnesia, nickel oxide, silica, nano-titanium dioxide, calcium silicates, silicon carbide,
Boron nitride continues ball milling 1.5h, obtains mixed powder, spare；
(2) mixed powder, binder, the stabilizer in step (1) are added to and are preheated to 180 DEG C of injection molding in advance
In machine machine barrel, fusion plastification is carried out；
(3) under the conditions of 120Mpa, supercritical carbon dioxide is rapidly injected in the melt in injection moulding machine machine barrel,
By screw rod shearing, makes supercritical carbon dioxide dispersion homogenizing, sufficiently dissolved with melt, form single-phase melt body, keep at this time
Pressure is injected into the mold that temperature is 60 DEG C and carries out mold filling, cooling and shaping after the completion of mold filling after saturation balance；
(4) mould pickup is opened, it is then subjected to pre-sintering 4h at 800 DEG C, obtains semi-finished product；
(5) semi-finished product in step (4) are obtained into porous ceramic film material in 1100 DEG C of progress high temperature sintering 10h.
Embodiment 2
A kind of abradable porous ceramic material, is made of the raw material of following parts by weight: 15 parts of aluminium oxide, 10 parts of iron oxide, oxygen
Change 8 parts of magnesium, 5 parts of nickel oxide, 0 part of silica 1,8 parts of nano-titanium dioxide, 10 parts of calcium silicates, 15 parts of silicon carbide, boron nitride 5
Part, 4 parts of sericite in powder, 10 parts of clay, 8 parts of diatomite, 3 parts of binder, 1 part of foaming agent, 2 parts of stabilizer.
Binder is made of the raw material of following parts by weight: 15 parts of bentonite, 7 parts of zinc oxide, 5 parts of zirconium silicate, sepiolite powder 8
Part, 7 parts of zeolite powder, 10 parts of flake asbestos, 8 parts of hydroxypropyl methyl cellulose, 15 parts of phenolic resin, 10 parts of nitrile rubber, benzoic acid
5 parts of sodium, 4 parts of glycerol, 3 parts of stearmide, 5 parts of polyethylene glycol, 120 parts of water.
Binder the preparation method comprises the following steps: (a) sepiolite powder, zeolite powder, flake asbestos ultrasound 1h are added into water, then thereto
Bentonite, hydroxypropyl methyl cellulose, zinc oxide, zirconium silicate is added, shakes 0.5h, microwave reflux 25min keeps the temperature 30min；
(b) phenolic resin, nitrile rubber, glycerol, stearmide, polyethylene glycol are sufficiently mixed, after mixing, are heated to 140 DEG C,
Constant temperature stirs 15min, then proceedes to be heated to 160 DEG C, constant temperature stirs 8min, mixing speed 900r/min；(c) by step
(a) mixture in mixture, step (b), sodium benzoate in are uniformly mixed, and are transferred in ball mill, ball milling 5h, are taken out, close
Envelope saves.
The operating condition of microwave treater is that microwave frequency is 2450MHz, output power 800W.
Foaming agent is supercritical carbon dioxide.
Stabilizer is rare-earth stabilizer.
A kind of preparation method of abradable porous ceramic material the following steps are included:
(1) sericite in powder, clay, diatomite are put into ball mill ball milling 3h under conditions of revolving speed is 150r/min,
Again thereto be added aluminium oxide, iron oxide, magnesia, nickel oxide, silica, nano-titanium dioxide, calcium silicates, silicon carbide,
Boron nitride continues ball milling 2h, obtains mixed powder, spare；
(2) mixed powder, binder, the stabilizer in step (1) are added to and are preheated to 180 DEG C of injection molding in advance
In machine machine barrel, fusion plastification is carried out；
(3) under the conditions of 120Mpa, supercritical carbon dioxide is rapidly injected in the melt in injection moulding machine machine barrel,
By screw rod shearing, makes supercritical carbon dioxide dispersion homogenizing, sufficiently dissolved with melt, form single-phase melt body, keep at this time
Pressure is injected into the mold that temperature is 60 DEG C and carries out mold filling, cooling and shaping after the completion of mold filling after saturation balance；
(4) mould pickup is opened, it is then subjected to pre-sintering 5h at 800 DEG C, obtains semi-finished product；
(5) semi-finished product in step (4) are obtained into porous ceramic film material in 1200 DEG C of progress high temperature sintering 12h.
Embodiment 3
A kind of abradable porous ceramic material, is made of the raw material of following parts by weight: 20 parts of aluminium oxide, 5 parts of iron oxide, oxidation
10 parts of magnesium, 2 parts of nickel oxide, 5 parts of silica 1,5 parts of nano-titanium dioxide, 15 parts of calcium silicates, 10 parts of silicon carbide, boron nitride 8
Part, 2 parts of mica mountain flour, 15 parts of clay, 5 parts of diatomite, 5 parts of binder, 0.5 part of foaming agent, 3 parts of stabilizer.
Binder is made of the raw material of following parts by weight: 20 parts of bentonite, 5 parts of zinc oxide, 8 parts of zirconium silicate, sepiolite powder 5
Part, 10 parts of zeolite powder, 5 parts of flake asbestos, 10 parts of hydroxypropyl methyl cellulose, 10 parts of phenolic resin, 15 parts of nitrile rubber, benzoic acid
2 parts of sodium, 6 parts of glycerol, 1 part of stearmide, 8 parts of polyethylene glycol, 150 parts of water.
Binder the preparation method comprises the following steps: (a) into water be added sepiolite powder, zeolite powder, flake asbestos ultrasound 40min, then to
Bentonite, hydroxypropyl methyl cellulose, zinc oxide, zirconium silicate is wherein added, shakes 0.5h, microwave reflux 30min, heat preservation
25min；(b) phenolic resin, nitrile rubber, glycerol, stearmide, polyethylene glycol are sufficiently mixed, after mixing, are heated to
150 DEG C, constant temperature stirs 20min, then proceedes to be heated to 180 DEG C, constant temperature stirs 10min, mixing speed 1000r/min；(c)
Mixture in step (a), the mixture in step (b), sodium benzoate are uniformly mixed, are transferred in ball mill, ball milling 4h takes
Out, it is sealed.
The operating condition of microwave treater is that microwave frequency is 2450MHz, output power 800W.
Foaming agent is supercritical carbon dioxide.
Stabilizer is rare-earth stabilizer.
A kind of preparation method of abradable porous ceramic material the following steps are included:
(1) sericite in powder, clay, diatomite are put into ball mill ball milling 3h under conditions of revolving speed is 170r/min,
Again thereto be added aluminium oxide, iron oxide, magnesia, nickel oxide, silica, nano-titanium dioxide, calcium silicates, silicon carbide,
Boron nitride continues ball milling 2.5h, obtains mixed powder, spare；
(2) mixed powder, binder, the stabilizer in step (1) are added to and are preheated to 200 DEG C of injection molding in advance
In machine machine barrel, fusion plastification is carried out；
(3) under the conditions of 120Mpa, supercritical carbon dioxide is rapidly injected in the melt in injection moulding machine machine barrel,
By screw rod shearing, makes supercritical carbon dioxide dispersion homogenizing, sufficiently dissolved with melt, form single-phase melt body, keep at this time
Pressure is injected into the mold that temperature is 60 DEG C and carries out mold filling, cooling and shaping after the completion of mold filling after saturation balance；
(4) mould pickup is opened, it is then subjected to pre-sintering 6h at 900 DEG C, obtains semi-finished product；
(5) semi-finished product in step (4) are obtained into porous ceramic film material in 1300 DEG C of progress high temperature sintering 12h.
Reference examples 1
A kind of abradable porous ceramic material, is made of the raw material of following parts by weight: 15 parts of aluminium oxide, 10 parts of iron oxide, oxygen
Change 8 parts of magnesium, 5 parts of nickel oxide, 0 part of silica 1,8 parts of nano-titanium dioxide, 10 parts of calcium silicates, 15 parts of silicon carbide, boron nitride 5
Part, 4 parts of sericite in powder, 10 parts of clay, 8 parts of diatomite, 1 part of foaming agent, 2 parts of stabilizer.
Foaming agent is supercritical carbon dioxide.
Stabilizer is rare-earth stabilizer.
A kind of preparation method of abradable porous ceramic material the following steps are included:
(1) sericite in powder, clay, diatomite are put into ball mill ball milling 3h under conditions of revolving speed is 150r/min,
Again thereto be added aluminium oxide, iron oxide, magnesia, nickel oxide, silica, nano-titanium dioxide, calcium silicates, silicon carbide,
Boron nitride continues ball milling 2h, obtains mixed powder, spare；
(2) mixed powder, binder, the stabilizer in step (1) are added to and are preheated to 180 DEG C of injection molding in advance
In machine machine barrel, fusion plastification is carried out；
(3) under the conditions of 120Mpa, supercritical carbon dioxide is rapidly injected in the melt in injection moulding machine machine barrel,
By screw rod shearing, makes supercritical carbon dioxide dispersion homogenizing, sufficiently dissolved with melt, form single-phase melt body, keep at this time
Pressure is injected into the mold that temperature is 60 DEG C and carries out mold filling, cooling and shaping after the completion of mold filling after saturation balance；
(4) mould pickup is opened, it is then subjected to pre-sintering 5h at 800 DEG C, obtains semi-finished product；
(5) semi-finished product in step (4) are obtained into porous ceramic film material in 1200 DEG C of progress high temperature sintering 12h.
Reference examples 2
A kind of abradable porous ceramic material, is made of the raw material of following parts by weight: 15 parts of aluminium oxide, 10 parts of iron oxide, oxygen
Change 8 parts of magnesium, 5 parts of nickel oxide, 0 part of silica 1,8 parts of nano-titanium dioxide, 10 parts of calcium silicates, 15 parts of silicon carbide, boron nitride 5
Part, 4 parts of sericite in powder, 10 parts of clay, 8 parts of diatomite, 3 parts of binder, 1 part of foaming agent, 2 parts of stabilizer.
Binder is commercially available common adhesive.
Foaming agent is supercritical carbon dioxide.
Stabilizer is rare-earth stabilizer.
A kind of preparation method of abradable porous ceramic material the following steps are included:
(1) sericite in powder, clay, diatomite are put into ball mill ball milling 3h under conditions of revolving speed is 150r/min,
Again thereto be added aluminium oxide, iron oxide, magnesia, nickel oxide, silica, nano-titanium dioxide, calcium silicates, silicon carbide,
Boron nitride continues ball milling 2h, obtains mixed powder, spare；
(2) mixed powder, binder, the stabilizer in step (1) are added to and are preheated to 180 DEG C of injection molding in advance
In machine machine barrel, fusion plastification is carried out；
(3) under the conditions of 120Mpa, supercritical carbon dioxide is rapidly injected in the melt in injection moulding machine machine barrel,
By screw rod shearing, makes supercritical carbon dioxide dispersion homogenizing, sufficiently dissolved with melt, form single-phase melt body, keep at this time
Pressure is injected into the mold that temperature is 60 DEG C and carries out mold filling, cooling and shaping after the completion of mold filling after saturation balance；
(4) mould pickup is opened, it is then subjected to pre-sintering 5h at 800 DEG C, obtains semi-finished product；
(5) semi-finished product in step (4) are obtained into porous ceramic film material in 1200 DEG C of progress high temperature sintering 12h.
Reference examples 3
A kind of abradable porous ceramic material, is made of the raw material of following parts by weight: 15 parts of aluminium oxide, 10 parts of iron oxide, oxygen
Change 8 parts of magnesium, 5 parts of nickel oxide, 0 part of silica 1,8 parts of nano-titanium dioxide, 10 parts of calcium silicates, 15 parts of silicon carbide, boron nitride 5
Part, 4 parts of sericite in powder, 10 parts of clay, 8 parts of diatomite, 3 parts of binder, 1 part of foaming agent, 2 parts of stabilizer.
Binder is made of the raw material of following parts by weight: 15 parts of bentonite, 7 parts of zinc oxide, 5 parts of zirconium silicate, sepiolite powder 8
Part, 7 parts of zeolite powder, 10 parts of flake asbestos, 8 parts of hydroxypropyl methyl cellulose, 15 parts of phenolic resin, 10 parts of nitrile rubber, benzoic acid
5 parts of sodium, 4 parts of glycerol, 3 parts of stearmide, 5 parts of polyethylene glycol, 120 parts of water.
Binder the preparation method comprises the following steps: (a) sepiolite powder, zeolite powder, flake asbestos ultrasound 1h are added into water, then thereto
Bentonite, hydroxypropyl methyl cellulose, zinc oxide, zirconium silicate is added, shakes 0.5h, microwave reflux 25min keeps the temperature 30min；
(b) phenolic resin, nitrile rubber, glycerol, stearmide, polyethylene glycol are sufficiently mixed, after mixing, are heated to 140 DEG C,
Constant temperature stirs 15min, then proceedes to be heated to 160 DEG C, constant temperature stirs 8min, mixing speed 900r/min；(c) by step
(a) mixture in mixture, step (b), sodium benzoate in are uniformly mixed, and are transferred in ball mill, ball milling 5h, are taken out, close
Envelope saves.
The operating condition of microwave treater is that microwave frequency is 2450MHz, output power 800W.
Foaming agent is calcium hydroxide.
Stabilizer is rare-earth stabilizer.
A kind of preparation method of abradable porous ceramic material the following steps are included:
(1) sericite in powder, clay, diatomite are put into ball mill ball milling 3h under conditions of revolving speed is 150r/min,
Again thereto be added aluminium oxide, iron oxide, magnesia, nickel oxide, silica, nano-titanium dioxide, calcium silicates, silicon carbide,
Boron nitride continues ball milling 2h, obtains mixed powder, spare；
(2) mixed powder, binder, the stabilizer in step (1) are added to and are preheated to 180 DEG C of injection molding in advance
In machine machine barrel, fusion plastification is carried out；
(3) under the conditions of 120Mpa, supercritical carbon dioxide is rapidly injected in the melt in injection moulding machine machine barrel,
By screw rod shearing, makes supercritical carbon dioxide dispersion homogenizing, sufficiently dissolved with melt, form single-phase melt body, keep at this time
Pressure is injected into the mold that temperature is 60 DEG C and carries out mold filling, cooling and shaping after the completion of mold filling after saturation balance；
(4) mould pickup is opened, it is then subjected to pre-sintering 5h at 800 DEG C, obtains semi-finished product；
(5) semi-finished product in step (4) are obtained into porous ceramic film material in 1200 DEG C of progress high temperature sintering 12h.
Based on embodiment 2, setting does not add the reference examples 1 of binder, using the reference examples of commercially available common adhesive
It 2, is the reference examples 3 of foaming agent using calcium hydroxide.
Porous ceramic film material prepared by embodiment 1-3, reference examples 1-3 is detected, as a result such as following table.
| Detection project | Porosity/% | Bending strength/MPa | Hardness/GPa | Compression strength/MPa |
| Embodiment 1 | 87.3 | 1468 | 15.6 | 1542 |
| Embodiment 2 | 88.2 | 1481 | 16.1 | 1568 |
| Embodiment 3 | 86.7 | 1454 | 14.3 | 1553 |
| Reference examples 1 | 51.5 | 1254 | 11.2 | 1259 |
| Reference examples 2 | 65.8 | 1305 | 12.6 | 1311 |
| Reference examples 3 | 68.9 | 1328 | 13.1 | 1387 |
It can be seen from the data in the table that porous ceramic film material porosity proposed by the present invention is high, bending strength is good, hardness is high, anti-
Compressive Strength is high, and therefore, the porous ceramic film material of the preparation method preparation proposed according to the present invention has high porosity, mechanical property
Excellent feature.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of abradable porous ceramic material, it is characterised in that: be made of the raw material of following parts by weight: 10-20 parts of aluminium oxide, oxygen
Change iron 5-15 parts, 5-10 parts of magnesia, 2-8 parts of nickel oxide, 5-15 parts of silica, 5-10 parts of nano-titanium dioxide, calcium silicates
5-15 parts, 10-20 parts of silicon carbide, 2-8 parts of boron nitride, 2-7 parts of mica mountain flour, 5-15 parts of clay, 5-10 parts of diatomite, binder
1-5 parts, 0.5-1.5 parts of foaming agent, 1-3 parts of stabilizer.
2. abradable porous ceramic material according to claim 1, it is characterised in that: be made of the raw material of following parts by weight:
15 parts of aluminium oxide, 10 parts of iron oxide, 8 parts of magnesia, 5 parts of nickel oxide, 0 part of silica 1,8 parts of nano-titanium dioxide, calcium silicates
10 parts, 15 parts of silicon carbide, 5 parts of boron nitride, 4 parts of sericite in powder, 10 parts of clay, 8 parts of diatomite, 3 parts of binder, 1 part of foaming agent,
2 parts of stabilizer.
3. abradable porous ceramic material according to claim 1, it is characterised in that: the binder is by following parts by weight
Raw material composition: 10-20 parts of bentonite, 5-10 parts of zinc oxide, 2-8 parts of zirconium silicate, 5-10 parts of sepiolite powder, 5-10 parts of zeolite powder,
5-15 parts of flake asbestos, 5-10 parts of hydroxypropyl methyl cellulose, 10-20 parts of phenolic resin, 5-15 parts of nitrile rubber, sodium benzoate 2-
8 parts, 2-6 parts of glycerol, 1-5 parts of stearmide, 2-8 parts of polyethylene glycol, 100-150 parts of water.
4. abradable porous ceramic material according to claim 3, it is characterised in that: the binder the preparation method comprises the following steps:
(a) sepiolite powder, zeolite powder, flake asbestos ultrasound 0.5-1h are added into water, then bentonite, hydroxypropyl methyl fibre are added thereto
Element, zinc oxide, zirconium silicate are tieed up, 0.5h is shaken, microwave reflux 20-30min keeps the temperature 10-30min；(b) by phenolic resin, butyronitrile
Rubber, glycerol, stearmide, polyethylene glycol are sufficiently mixed, and after mixing, are heated to 120-150 DEG C, constant temperature stirs 10-
20min then proceedes to be heated to 150-180 DEG C, and constant temperature stirs 5-10min, mixing speed 800-1000r/min；It (c) will step
Suddenly the mixture in (a), the mixture in step (b), sodium benzoate are uniformly mixed, and are transferred in ball mill, ball milling 4-5h takes
Out, it is sealed.
5. abradable porous ceramic material according to claim 4, it is characterised in that: the operating condition of the microwave treater
It is 2450MHz, output power 800W for microwave frequency.
6. abradable porous ceramic material according to claim 1, it is characterised in that: the foaming agent is overcritical titanium dioxide
Carbon.
7. abradable porous ceramic material according to claim 1, it is characterised in that: the stabilizer is rare-earth stabilizer.
8. a kind of preparation method of abradable porous ceramic material, it is characterised in that: the following steps are included:
(1) sericite in powder, clay, diatomite are put into ball mill ball milling 2- under conditions of revolving speed is 130-170r/min
3h, then aluminium oxide, iron oxide, magnesia, nickel oxide, silica, nano-titanium dioxide, calcium silicates, carbonization are added thereto
Silicon, boron nitride continue ball milling 1.5-2.5h, obtain mixed powder, spare；
(2) mixed powder, binder, the stabilizer in step (1) are added to and are preheated to 150-200 DEG C of injection molding in advance
In machine machine barrel, fusion plastification is carried out；
(3) under the conditions of 60-150Mpa, supercritical carbon dioxide is rapidly injected in the melt in injection moulding machine machine barrel,
By screw rod shearing, makes supercritical carbon dioxide dispersion homogenizing, sufficiently dissolved with melt, form single-phase melt body, keep at this time
Pressure is injected into the mold that temperature is 30-80 DEG C and carries out mold filling, cooling and shaping after the completion of mold filling after saturation balance；
(4) mould pickup is opened, it is then subjected to pre-sintering 4-6h at 700-900 DEG C, obtains semi-finished product；
(5) semi-finished product in step (4) are obtained into porous ceramic film material in 1100-1300 DEG C of progress high temperature sintering 8-12h.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110357602A (en) * | 2019-06-20 | 2019-10-22 | 泉州市德化县恒峰陶瓷有限公司 | A kind of high whiteness ceramic ware for daily use of acid-fast alkali-proof and preparation method thereof |
| CN110938409A (en) * | 2019-12-05 | 2020-03-31 | 杭州润福春科技有限公司 | Zeolite porous flexible wear-resistant particles and preparation method thereof |
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| CN114685180A (en) * | 2022-03-22 | 2022-07-01 | 赵月娥 | Porous ceramic material and preparation method thereof |
| CN117185826A (en) * | 2023-09-19 | 2023-12-08 | 佛山市陶莹新型材料有限公司 | High-temperature-resistant ceramic material and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110357602A (en) * | 2019-06-20 | 2019-10-22 | 泉州市德化县恒峰陶瓷有限公司 | A kind of high whiteness ceramic ware for daily use of acid-fast alkali-proof and preparation method thereof |
| CN110938409A (en) * | 2019-12-05 | 2020-03-31 | 杭州润福春科技有限公司 | Zeolite porous flexible wear-resistant particles and preparation method thereof |
| CN114316761A (en) * | 2022-01-07 | 2022-04-12 | 振恒(天津)科技发展有限公司 | Nanocomposite coating for high-speed rail brake friction gasket |
| CN114685180A (en) * | 2022-03-22 | 2022-07-01 | 赵月娥 | Porous ceramic material and preparation method thereof |
| CN114560702A (en) * | 2022-03-25 | 2022-05-31 | 山东百川智能科技有限公司 | Pressureless sintering extrusion silicon carbide ceramic process |
| CN117185826A (en) * | 2023-09-19 | 2023-12-08 | 佛山市陶莹新型材料有限公司 | High-temperature-resistant ceramic material and preparation method and application thereof |
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Application publication date: 20190212 |