CN106830897A - Titania modified composite ceramic material of one kind addition and preparation method thereof - Google Patents
Titania modified composite ceramic material of one kind addition and preparation method thereof Download PDFInfo
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- CN106830897A CN106830897A CN201611112484.4A CN201611112484A CN106830897A CN 106830897 A CN106830897 A CN 106830897A CN 201611112484 A CN201611112484 A CN 201611112484A CN 106830897 A CN106830897 A CN 106830897A
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Abstract
The invention discloses titania modified composite ceramic material and preparation method thereof is added, it is made from the following raw materials in parts by weight：38 parts of titanium dioxide, 30 45 parts of aluminium oxide ceramics powder, 5 10 parts of clay, 47 parts of niobium nitride, 58 parts of carbon black, 26 parts of Tissuemat E, 38 parts of VTES, 36 parts of polyaluminosiloxane, 14 parts of cumyl peroxide, 48 parts of vinyl carboxylate, 24 parts of TMAH, 15 parts of polyethylene glycol, 12 parts of aluminium nitride, 14 parts of magnesia, 25 parts of barium sulfate, 36 parts of boronation sodium, 12 parts of molybdenum disilicide, 14 parts of antioxidant, 25 parts of stabilizer, 12 parts of coupling agent.The titania modified composite ceramic material of addition being prepared from, its stable performance, corrosion-resistant, wear-resistant, intensity are high.Meanwhile, also disclose corresponding preparation method.
Description
Technical field
The present invention relates to Material Field, a kind of titania modified composite ceramic material of addition and its preparation are related specifically to
Method.
Background technology
The deadly defect of ceramic material is fragility, under external force, is produced in material surface or internal tiny crack tip
Stress concentration, Crack Extension forms surface can be with consumed energy, thus the expansion rate of crackle is extremely rapid, often moment just
Ceramic material is set to suffer catastrophic destruction.Titanium dioxide has prominent fast light, resistance to fuel factor, good chemical resistance
Can, the wellability with matrix is good, and interfacial reaction is smaller, it is possible to increase the mechanical property of composite, wearability, hardness, drop
Low thermal coefficient of expansion, and advantage of lower cost.So with ceramic material be combined titanium dioxide by the present invention, by modified or
Strengthen the chemical property of ceramic material, the performances such as its wear-resisting, corrosion-resistant, intensity is significantly improved.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of titania modified composite ceramic material of addition and its preparation
Method, is combined by using specified raw material, coordinates corresponding production technology, the titania modified composite ceramic of addition for obtaining
Ceramic material, its stable performance, corrosion-resistant, wear-resistant, intensity are high, disclosure satisfy that the requirement of industry, with preferable application prospect.
The purpose of the present invention can be achieved through the following technical solutions：
Titania modified composite ceramic material is added, is made from the following raw materials in parts by weight：Titanium dioxide 3-8 parts, aluminum oxide
Ceramic powder 30-45 parts, clay 5-10 parts, niobium nitride 4-7 parts, carbon black 5-8 parts, Tissuemat E 2-6 parts, vinyl triethoxyl silicon
Alkane 3-8 parts, polyaluminosiloxane 3-6 parts, cumyl peroxide 1-4 parts, vinyl carboxylate 4-8 parts, TMAH
2-4 parts, polyethylene glycol 1-5 parts, aluminium nitride 1-2 parts, magnesia 1-4 parts, barium sulfate 2-5 parts, 3-6 parts of boronation sodium, molybdenum disilicide
1-2 parts, antioxidant 1-4 parts, stabilizer 2-5 parts, coupling agent 1-2 parts.
Preferably, the antioxidant is 2,2'- methylene bis (4- methyl -6- tert-butyl phenols), 4- hydroxy-dodecanoic acids
One or more in anilid, the t-octyl diphenylamines of 4,4'- bis-, 4- hydroxyoctadecanoic acid anilids.
Preferably, the stabilizer be 2- ethyl acetic acids lead, calcium ricinoleate, zinc stearate, orange osmanthus acid barium in it is any one
Kind.
Preferably, the coupling agent is selected from three iso stearate isopropyl titanates, isopropyl three（Dioctyl pyrophosphoryl base) titanium
It is any in acid esters, two (dioctyl pyrophosphoryl bases) conjunction fluoroacetic acid ester titanium, isopropyl three (positive ethylamino-ethylamino) titanate esters
One or more.
The preparation method of the described titania modified composite ceramic material of addition, comprises the following steps：
（1）Each raw material is weighed according to weight portion；
（2）It is ground during aluminium oxide ceramics powder, clay, niobium nitride, carbon black are added into raymond mill, milling acc power is
22KW, mixture granularity is 300-400 mesh;
（3）By titanium dioxide, Tissuemat E, VTES, polyaluminosiloxane, aluminium nitride, magnesia, sulfuric acid
Barium, boronation sodium, molybdenum disilicide, antioxidant, step（2）Mixture of powders add together hot test electric furnace sinter, will
The high temperature sintering thing water quenching arrived, cooling obtains ceramic block, and high temperature sintering temperature is 600-700 DEG C, and the high temperature sintering time is 20-35
Minute；
（4）By step（3）Ceramic block, vinyl carboxylate, polyethylene glycol add ball mill together, pellet ratio is 1：8, ball
Consume time is 2-3 hours；
（5）By step（4）Ball milling powder mince sieving sorting, collect sieving mixture；
（6）By step（5）Sieving mixture, cumyl peroxide, TMAH, stabilizer, coupling agent injection
Stirred in high pressure homogenizer, 1000-1500 revs/min of rotating speed, pressure is 1-1.5MPa, mixed 10-20 minutes；
（7）By step（6）Stirring mixture injection mould in it is compressing, gained idiosome is solid in 4-10 DEG C of nitrogen incubator
Calmly, degumming 30 minutes；
（8）By step（7）Idiosome be put into vacuum high-temperature calcining furnace and be sintered shaping, calcining heat is 860-930 DEG C, very
Pneumatics is by force 0.1-0.5Pa, and the vacuum-sintering time is 60-90 minutes；
（9）By step（8）Calcining model be slowly dropped to room temperature after, mould from, dewax, be put in 60 DEG C of nitrogen incubators and conserve 2-
4 hours, get product.
Preferably, the condition of the water quenching is：It is 12-18 DEG C to enter coolant-temperature gage, and the water quenching time is 50 seconds.
Preferably, the mesh size is 300 mesh.
Compared with prior art, its advantage is the present invention：
（1）The titania modified composite ceramic material of addition of the invention, with aluminium oxide ceramics powder, clay, niobium nitride, carbon black,
Titanium dioxide, Tissuemat E, VTES, polyaluminosiloxane, aluminium nitride, magnesia, barium sulfate, boronation sodium,
Molybdenum disilicide is main component, by adding vinyl carboxylate, polyethylene glycol, cumyl peroxide, tetramethyl hydroxide
Ammonium, antioxidant, stabilizer, coupling agent, are aided with mechanical crushing, high temperature sintering, Water Quenching, ball milling sorting, homogeneous, casting of pressurizeing
The techniques such as mould is fixed, the dewaxing of vacuum calcining, mould from, maintenance shaping so that the titania modified composite ceramic of addition being prepared from
Ceramic material, its stable performance, corrosion-resistant, wear-resistant, intensity are high, disclosure satisfy that the requirement of industry, with preferable application prospect.
（2）The titania modified composite ceramic material raw material of addition of the invention is cheap, process is simple, is suitable to extensive work
Industryization is used, practical.
Specific embodiment
The technical scheme invented is described in detail with reference to specific embodiment.
Embodiment 1
（1）According to weight portion weigh 3 parts of titanium dioxide, 30 parts of aluminium oxide ceramics powder, 5 parts of clay, 4 parts of niobium nitride, 5 parts of carbon black,
2 parts of Tissuemat E, 3 parts of VTES, 3 parts of polyaluminosiloxane, 1 part of cumyl peroxide, vinyl carboxylic acid
4 parts of ester, 2 parts of TMAH, 1 part of polyethylene glycol, 1 part of aluminium nitride, 1 part of magnesia, 2 parts of barium sulfate, 3 parts of boronation sodium,
1 part of molybdenum disilicide, 1 part of 2,2'- methylene bis (4- methyl -6- tert-butyl phenols), 2 parts of 2- ethyl acetic acids lead, three iso stearate titaniums
1 part of isopropyl propionate；
（2）It is ground during aluminium oxide ceramics powder, clay, niobium nitride, carbon black are added into raymond mill, milling acc power is
22KW, mixture granularity is 300 mesh;
（3）By titanium dioxide, Tissuemat E, VTES, polyaluminosiloxane, aluminium nitride, magnesia, sulfuric acid
Barium, boronation sodium, molybdenum disilicide, 2,2'- methylene bis (4- methyl -6- tert-butyl phenols), step（2）Mixture of powders together
Hot test electric furnace sintering, the high temperature sintering thing water quenching that will be obtained are added, cooling obtains ceramic block, and high temperature sintering temperature is 600
DEG C, the high temperature sintering time is 20 minutes, and it is 12 DEG C that water quenching enters coolant-temperature gage, and the water quenching time is 50 seconds；
（4）By step（3）Ceramic block, vinyl carboxylate, polyethylene glycol add ball mill together, pellet ratio is 1：8, ball
Consume time is 2 hours；
（5）By step（4）Ball milling powder mince sieving sorting, collect sieving mixture, mesh size be 300 mesh；
（6）By step（5）Sieving mixture, cumyl peroxide, TMAH, 2- ethyl acetic acids lead, three different
Stirred in stearic acid isopropyl titanate injection high pressure homogenizer, 1000 revs/min of rotating speed, pressure is 1MPa, is mixed
10 minutes；
（7）By step（6）Stirring mixture injection mould in it is compressing, gained idiosome is fixed in 4 DEG C of nitrogen incubators,
Degumming 30 minutes；
（8）By step（7）Idiosome be put into vacuum high-temperature calcining furnace and be sintered shaping, calcining heat is 860 DEG C, vacuum pressure
It is by force 0.1Pa, the vacuum-sintering time is 60 minutes；
（9）By step（8）Calcining model be slowly dropped to room temperature after, mould from, dewax, be put in 60 DEG C of nitrogen incubators and conserve 2
Hour, get product.
The performance test results of the obtained titania modified composite ceramic material of addition are as shown in table 1.
Embodiment 2
（1）According to weight portion weigh 4 parts of titanium dioxide, 35 parts of aluminium oxide ceramics powder, 7 parts of clay, 5 parts of niobium nitride, 6 parts of carbon black,
3 parts of Tissuemat E, 4 parts of VTES, 4 parts of polyaluminosiloxane, 2 parts of cumyl peroxide, vinyl carboxylic acid
5 parts of ester, 3 parts of TMAH, 2 parts of polyethylene glycol, 1 part of aluminium nitride, 2 parts of magnesia, 3 parts of barium sulfate, 4 parts of boronation sodium,
1 part of molybdenum disilicide, 2 parts of 4- hydroxy-dodecanoic acids anilid, 3 parts of calcium ricinoleate, isopropyl three（Dioctyl pyrophosphoryl base) titanium
1 part of acid esters；
（2）It is ground during aluminium oxide ceramics powder, clay, niobium nitride, carbon black are added into raymond mill, milling acc power is
22KW, mixture granularity is 350 mesh;
（3）By titanium dioxide, Tissuemat E, VTES, polyaluminosiloxane, aluminium nitride, magnesia, sulfuric acid
Barium, boronation sodium, molybdenum disilicide, 4- hydroxy-dodecanoic acids anilid, step（2）Mixture of powders add hot test together
Electric furnace is sintered, the high temperature sintering thing water quenching that will be obtained, and cooling obtains ceramic block, and high temperature sintering temperature is 620 DEG C, during high temperature sintering
Between be 25 minutes, water quenching enters coolant-temperature gage for 14 DEG C, and the water quenching time is 50 seconds；
（4）By step（3）Ceramic block, vinyl carboxylate, polyethylene glycol add ball mill together, pellet ratio is 1：8, ball
Consume time is 2.2 hours；
（5）By step（4）Ball milling powder mince sieving sorting, collect sieving mixture, mesh size be 300 mesh；
（6）By step（5）Sieving mixture, cumyl peroxide, TMAH, calcium ricinoleate, isopropyl three
（Dioctyl pyrophosphoryl base) titanate esters injection high pressure homogenizer in stir, 1200 revs/min of rotating speed, pressure is 1.2MPa,
Mix 14 minutes；
（7）By step（6）Stirring mixture injection mould in it is compressing, gained idiosome is fixed in 6 DEG C of nitrogen incubators,
Degumming 30 minutes；
（8）By step（7）Idiosome be put into vacuum high-temperature calcining furnace and be sintered shaping, calcining heat is 880 DEG C, vacuum pressure
It is by force 0.3Pa, the vacuum-sintering time is 70 minutes；
（9）By step（8）Calcining model be slowly dropped to room temperature after, mould from, dewax, be put in 60 DEG C of nitrogen incubators and conserve
2.5 hours, get product.
The performance test results of the obtained titania modified composite ceramic material of addition are as shown in table 1.
Embodiment 3
（1）According to weight portion weigh 7 parts of titanium dioxide, 40 parts of aluminium oxide ceramics powder, 8 parts of clay, 6 parts of niobium nitride, 7 parts of carbon black,
5 parts of Tissuemat E, 7 parts of VTES, 5 parts of polyaluminosiloxane, 3 parts of cumyl peroxide, vinyl carboxylic acid
7 parts of ester, 3 parts of TMAH, 4 parts of polyethylene glycol, 2 parts of aluminium nitride, 3 parts of magnesia, 4 parts of barium sulfate, 5 parts of boronation sodium,
2 parts of molybdenum disilicide, 3 parts of 4,4'-, bis- t-octyl diphenylamines, 4 parts of zinc stearate, two (dioctyl pyrophosphoryl bases) close fluoroacetic acid ester
2 parts of titanium；
（2）It is ground during aluminium oxide ceramics powder, clay, niobium nitride, carbon black are added into raymond mill, milling acc power is
22KW, mixture granularity is 350 mesh;
（3）By titanium dioxide, Tissuemat E, VTES, polyaluminosiloxane, aluminium nitride, magnesia, sulfuric acid
Barium, boronation sodium, molybdenum disilicide, the t-octyl diphenylamines of 4,4'- bis-, step（2）Mixture of powders add together hot test electricity
Stove is sintered, the high temperature sintering thing water quenching that will be obtained, and cooling obtains ceramic block, and high temperature sintering temperature is 680 DEG C, high temperature sintering time
It it is 30 minutes, it is 16 DEG C that water quenching enters coolant-temperature gage, the water quenching time is 50 seconds；
（4）By step（3）Ceramic block, vinyl carboxylate, polyethylene glycol add ball mill together, pellet ratio is 1：8, ball
Consume time is 2.7 hours；
（5）By step（4）Ball milling powder mince sieving sorting, collect sieving mixture, mesh size be 300 mesh；
（6）By step（5）Sieving mixture, cumyl peroxide, TMAH, zinc stearate, two (dioctyls
Pyrophosphoryl base) close and stir in fluoroacetic acid ester titanium injection high pressure homogenizer, 1400 revs/min of rotating speed, pressure is 1.4MPa, is mixed
Close stirring 18 minutes；
（7）By step（6）Stirring mixture injection mould in it is compressing, gained idiosome is fixed in 8 DEG C of nitrogen incubators,
Degumming 30 minutes；
（8）By step（7）Idiosome be put into vacuum high-temperature calcining furnace and be sintered shaping, calcining heat is 900 DEG C, vacuum pressure
It is by force 0.4Pa, the vacuum-sintering time is 80 minutes；
（9）By step（8）Calcining model be slowly dropped to room temperature after, mould from, dewax, be put in 60 DEG C of nitrogen incubators and conserve
3.5 hours, get product.
The performance test results of the obtained titania modified composite ceramic material of addition are as shown in table 1.
Embodiment 4
（1）According to weight portion weigh 8 parts of titanium dioxide, 45 parts of aluminium oxide ceramics powder, 10 parts of clay, 7 parts of niobium nitride, 8 parts of carbon black,
6 parts of Tissuemat E, 8 parts of VTES, 6 parts of polyaluminosiloxane, 4 parts of cumyl peroxide, vinyl carboxylic acid
8 parts of ester, 4 parts of TMAH, 5 parts of polyethylene glycol, 2 parts of aluminium nitride, 4 parts of magnesia, 5 parts of barium sulfate, 6 parts of boronation sodium,
2 parts of molybdenum disilicide, 4 parts of 4- hydroxyoctadecanoic acids anilid, 5 parts of barium of orange osmanthus acid, isopropyl three (positive ethylamino-ethylamino)
2 parts of titanate esters；
（2）It is ground during aluminium oxide ceramics powder, clay, niobium nitride, carbon black are added into raymond mill, milling acc power is
22KW, mixture granularity is 400 mesh;
（3）By titanium dioxide, Tissuemat E, VTES, polyaluminosiloxane, aluminium nitride, magnesia, sulfuric acid
Barium, boronation sodium, molybdenum disilicide, 4- hydroxyoctadecanoic acids anilid, step（2）Mixture of powders add hot test together
Electric furnace is sintered, the high temperature sintering thing water quenching that will be obtained, and cooling obtains ceramic block, and high temperature sintering temperature is 700 DEG C, during high temperature sintering
Between be 35 minutes, water quenching enters coolant-temperature gage for 18 DEG C, and the water quenching time is 50 seconds；
（4）By step（3）Ceramic block, vinyl carboxylate, polyethylene glycol add ball mill together, pellet ratio is 1：8, ball
Consume time is 3 hours；
（5）By step（4）Ball milling powder mince sieving sorting, collect sieving mixture, mesh size be 300 mesh；
（6）By step（5）Sieving mixture, cumyl peroxide, TMAH, orange osmanthus acid barium, isopropyl three
(positive ethylamino-ethylamino) titanate esters are injected and are stirred in high pressure homogenizer, 1500 revs/min of rotating speed, and pressure is
1.5MPa, mixes 20 minutes；
（7）By step（6）Stirring mixture injection mould in it is compressing, gained idiosome is solid in 10 DEG C of nitrogen incubators
Calmly, degumming 30 minutes；
（8）By step（7）Idiosome be put into vacuum high-temperature calcining furnace and be sintered shaping, calcining heat is 930 DEG C, vacuum pressure
It is by force 0.5Pa, the vacuum-sintering time is 90 minutes；
（9）By step（8）Calcining model be slowly dropped to room temperature after, mould from, dewax, be put in 60 DEG C of nitrogen incubators and conserve 4
Hour, get product.
The performance test results of the obtained titania modified composite ceramic material of addition are as shown in table 1.
Comparative example 1
（1）According to weight portion weigh 3 parts of titanium dioxide, 30 parts of aluminium oxide ceramics powder, 5 parts of clay, 4 parts of niobium nitride, 5 parts of carbon black,
2 parts of Tissuemat E, 3 parts of VTES, 3 parts of polyaluminosiloxane, 1 part of cumyl peroxide, vinyl carboxylic acid
4 parts of ester, 2 parts of TMAH, 1 part of polyethylene glycol, 2 parts of barium sulfate, 3 parts of boronation sodium, 1 part of molybdenum disilicide, 2,2'- methylenes
1 part of double (4- methyl -6- tert-butyl phenols), 2 parts of 2- ethyl acetic acids lead, 1 part of three iso stearate isopropyl titanate；
（2）It is ground during aluminium oxide ceramics powder, clay, niobium nitride, carbon black are added into raymond mill, milling acc power is
22KW, mixture granularity is 300 mesh;
（3）By titanium dioxide, Tissuemat E, VTES, polyaluminosiloxane, barium sulfate, boronation sodium, two silication
Molybdenum, 2,2'- methylene bis (4- methyl -6- tert-butyl phenols), step（2）Mixture of powders add hot test electric furnace together
Sintering, the high temperature sintering thing water quenching that will be obtained, cooling obtains ceramic block, and high temperature sintering temperature is 600 DEG C, and the high temperature sintering time is
20 minutes, it was 12 DEG C that water quenching enters coolant-temperature gage, and the water quenching time is 50 seconds；
（4）By step（3）Ceramic block, vinyl carboxylate, polyethylene glycol add ball mill together, pellet ratio is 1：8, ball
Consume time is 2 hours；
（5）By step（4）Ball milling powder mince sieving sorting, collect sieving mixture, mesh size be 300 mesh；
（6）By step（5）Sieving mixture, cumyl peroxide, TMAH, 2- ethyl acetic acids lead, three different
Stirred in stearic acid isopropyl titanate injection high pressure homogenizer, 1000 revs/min of rotating speed, pressure is 1MPa, is mixed
10 minutes；
（7）By step（6）Stirring mixture injection mould in it is compressing, gained idiosome is fixed in 4 DEG C of nitrogen incubators,
Degumming 30 minutes；
（8）By step（7）Idiosome be put into vacuum high-temperature calcining furnace and be sintered shaping, calcining heat is 860 DEG C, vacuum pressure
It is by force 0.1Pa, the vacuum-sintering time is 60 minutes；
（9）By step（8）Calcining model be slowly dropped to room temperature after, mould from, dewax, be put in 60 DEG C of nitrogen incubators and conserve 2
Hour, get product.
The performance test results of the obtained titania modified composite ceramic material of addition are as shown in table 1.
Comparative example 2
（1）8 parts of titanium dioxide, 45 parts of aluminium oxide ceramics powder, 10 parts of clay, 8 parts of carbon black, Tissuemat E 6 are weighed according to weight portion
Part, 8 parts of VTES, 6 parts of polyaluminosiloxane, 4 parts of cumyl peroxide, 8 parts of vinyl carboxylate, tetramethyl
4 parts of base ammonium hydroxide, 5 parts of polyethylene glycol, 2 parts of aluminium nitride, 4 parts of magnesia, 5 parts of barium sulfate, 6 parts of boronation sodium, 4- hydroxyls 18
4 parts of alkanoic acid anilid, 5 parts of barium of orange osmanthus acid, isopropyl three (positive ethylamino-ethylamino) 2 parts of titanate esters；
（2）It is ground during aluminium oxide ceramics powder, clay, carbon black are added into raymond mill, milling acc power is 22KW, mixing
Thing granularity is 400 mesh;
（3）By titanium dioxide, Tissuemat E, VTES, polyaluminosiloxane, aluminium nitride, magnesia, sulfuric acid
Barium, boronation sodium, 4- hydroxyoctadecanoic acids anilid, step（2）Mixture of powders add together hot test electric furnace sinter,
The high temperature sintering thing water quenching that will be obtained, cooling obtains ceramic block, and high temperature sintering temperature is 700 DEG C, and the high temperature sintering time is 35 points
Clock, it is 18 DEG C that water quenching enters coolant-temperature gage, and the water quenching time is 50 seconds；
（4）By step（3）Ceramic block, vinyl carboxylate, polyethylene glycol add ball mill together, pellet ratio is 1：8, ball
Consume time is 3 hours；
（5）By step（4）Ball milling powder mince sieving sorting, collect sieving mixture, mesh size be 300 mesh；
（6）By step（5）Sieving mixture, cumyl peroxide, TMAH, orange osmanthus acid barium, isopropyl three
(positive ethylamino-ethylamino) titanate esters are injected and are stirred in high pressure homogenizer, 1500 revs/min of rotating speed, and pressure is
1.5MPa, mixes 20 minutes；
（7）By step（6）Stirring mixture injection mould in it is compressing, gained idiosome is solid in 10 DEG C of nitrogen incubators
Calmly, degumming 30 minutes；
（8）By step（7）Idiosome be put into vacuum high-temperature calcining furnace and be sintered shaping, calcining heat is 930 DEG C, vacuum pressure
It is by force 0.5Pa, the vacuum-sintering time is 90 minutes；
（9）By step（8）Calcining model be slowly dropped to room temperature after, mould from, dewax, be put in 60 DEG C of nitrogen incubators and conserve 4
Hour, get product.
The performance test results of the obtained titania modified composite ceramic material of addition are as shown in table 1.
By the titania modified composite ceramic material of the obtained addition of embodiment 1-4 and comparative example 1-2 carry out wear rate,
Fracture Toughness, skin-friction coefficient, compression strength, soda acid test this several performance tests.
Table 1
| Wear rate at 150 DEG C（cm3/Nm） | Fracture Toughness Mpa | Skin-friction coefficient | Compression strength（MPa） | Soda acid is tested | |
| Embodiment 1 | 5.32 | 0.451 | 665 | Pass through | |
| Embodiment 2 | 5.46 | 0.481 | 659 | Pass through | |
| Embodiment 3 | 5.16 | 0.461 | 657 | Pass through | |
| Embodiment 4 | 5.28 | 0.501 | 662 | Pass through | |
| Comparative example 1 | 2.13 | 1.183 | 328 | Pass through | |
| Comparative example 2 | 2.79 | 1.304 | 416 | Pass through |
The titania modified composite ceramic material of addition of the invention, with aluminium oxide ceramics powder, clay, niobium nitride, carbon black, dioxy
Change titanium, Tissuemat E, VTES, polyaluminosiloxane, aluminium nitride, magnesia, barium sulfate, boronation sodium, two silicon
Change molybdenum is main component, by adding vinyl carboxylate, polyethylene glycol, cumyl peroxide, TMAH, anti-
Oxidant, stabilizer, coupling agent, be aided with mechanical crushing, high temperature sintering, Water Quenching, ball milling sorting, the homogeneous, mold that pressurizes it is solid
The techniques such as fixed, vacuum calcining, mould from dewaxing, maintenance shaping so that the titania modified composite ceramics material of addition being prepared from
Material, its stable performance, corrosion-resistant, wear-resistant, intensity are high, the requirement of industry are disclosure satisfy that, with preferable application prospect.This hair
The titania modified composite ceramic material raw material of bright addition is cheap, process is simple, is suitable to heavy industrialization utilization, practicality
By force.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (7)
- It is 1. a kind of to add titania modified composite ceramic material, it is characterised in that：It is made from the following raw materials in parts by weight：Dioxy Change 3-8 parts of titanium, 30-45 parts of aluminium oxide ceramics powder, clay 5-10 parts, niobium nitride 4-7 parts, carbon black 5-8 parts, Tissuemat E 2-6 parts, VTES 3-8 parts, polyaluminosiloxane 3-6 parts, cumyl peroxide 1-4 parts, vinyl carboxylate 4-8 Part, TMAH 2-4 parts, polyethylene glycol 1-5 parts, aluminium nitride 1-2 parts, magnesia 1-4 parts, barium sulfate 2-5 parts, boronation Sodium 3-6 parts, molybdenum disilicide 1-2 parts, antioxidant 1-4 parts, stabilizer 2-5 parts, coupling agent 1-2 parts.
- It is 2. according to claim 1 to add titania modified composite ceramic material, it is characterised in that：The antioxidant It is 2,2'- methylene bis (4- methyl -6- tert-butyl phenols), 4- hydroxy-dodecanoic acids anilid, the t-octyl hexichol of 4,4'- bis- One or more in amine, 4- hydroxyoctadecanoic acid anilids.
- It is 3. according to claim 1 to add titania modified composite ceramic material, it is characterised in that：The stabilizer is 2- ethyl acetic acids lead, calcium ricinoleate, zinc stearate, orange osmanthus acid barium in any one.
- It is 4. according to claim 1 to add titania modified composite ceramic material, it is characterised in that：The coupling agent choosing From three iso stearate isopropyl titanates, isopropyl three（Dioctyl pyrophosphoryl base) titanate esters, two (dioctyl pyrophosphoryl bases) close oxygen Any one or a few in acetic acid esters titanium, isopropyl three (positive ethylamino-ethylamino) titanate esters.
- 5. according to the preparation method of any described titania modified composite ceramic materials of addition of claim 1-4, its feature It is to comprise the following steps：（1）Each raw material is weighed according to weight portion；（2）It is ground during aluminium oxide ceramics powder, clay, niobium nitride, carbon black are added into raymond mill, milling acc power is 22KW, mixture granularity is 300-400 mesh;（3）By titanium dioxide, Tissuemat E, VTES, polyaluminosiloxane, aluminium nitride, magnesia, sulfuric acid Barium, boronation sodium, molybdenum disilicide, antioxidant, step（2）Mixture of powders add together hot test electric furnace sinter, will The high temperature sintering thing water quenching arrived, cooling obtains ceramic block, and high temperature sintering temperature is 600-700 DEG C, and the high temperature sintering time is 20-35 Minute；（4）By step（3）Ceramic block, vinyl carboxylate, polyethylene glycol add ball mill together, pellet ratio is 1：8, ball Consume time is 2-3 hours；（5）By step（4）Ball milling powder mince sieving sorting, collect sieving mixture；（6）By step（5）Sieving mixture, cumyl peroxide, TMAH, stabilizer, coupling agent injection Stirred in high pressure homogenizer, 1000-1500 revs/min of rotating speed, pressure is 1-1.5MPa, mixed 10-20 minutes；（7）By step（6）Stirring mixture injection mould in it is compressing, gained idiosome is solid in 4-10 DEG C of nitrogen incubator Calmly, degumming 30 minutes；（8）By step（7）Idiosome be put into vacuum high-temperature calcining furnace and be sintered shaping, calcining heat is 860-930 DEG C, very Pneumatics is by force 0.1-0.5Pa, and the vacuum-sintering time is 60-90 minutes；（9）By step（8）Calcining model be slowly dropped to room temperature after, mould from, dewax, be put in 60 DEG C of nitrogen incubators and conserve 2- 4 hours, get product.
- 6. the preparation method of the titania modified composite ceramic material of addition according to claim 5, it is characterised in that institute State step（3）In, the condition of water quenching is：It is 12-18 DEG C to enter coolant-temperature gage, and the water quenching time is 50 seconds.
- 7. the preparation method of the titania modified composite ceramic material of addition according to claim 5, it is characterised in that institute State step（5）In, mesh size is 300 mesh.
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| CN106544538A (en) * | 2016-12-23 | 2017-03-29 | 苏州新锐合金工具股份有限公司 | The control method of powder oxygen content in a kind of Investigation for Super-fine Cermets preparation process |
| CN108218291A (en) * | 2018-02-02 | 2018-06-29 | 付主枝 | A kind of preparation method for the bioceramic material for adulterating dicalcium silicate nano powder |
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| CN106544538A (en) * | 2016-12-23 | 2017-03-29 | 苏州新锐合金工具股份有限公司 | The control method of powder oxygen content in a kind of Investigation for Super-fine Cermets preparation process |
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| CN108218291A (en) * | 2018-02-02 | 2018-06-29 | 付主枝 | A kind of preparation method for the bioceramic material for adulterating dicalcium silicate nano powder |
| CN108585814A (en) * | 2018-02-26 | 2018-09-28 | 合肥尚强电气科技有限公司 | Piezoelectric ceramic composite material and preparation method thereof |
| CN108751947A (en) * | 2018-06-15 | 2018-11-06 | 清远市华腾光能环保科技有限公司 | A kind of nano ceramics structure and its preparation process |
| CN108899155A (en) * | 2018-07-13 | 2018-11-27 | 吴江市聚盈电子材料科技有限公司 | A kind of preparation method of rare earth base semiconductor magnetic material |
| CN108987087A (en) * | 2018-07-13 | 2018-12-11 | 吴江市聚盈电子材料科技有限公司 | A kind of preparation method for adulterating bismuth element magnetic material |
| CN109534759A (en) * | 2018-10-04 | 2019-03-29 | 南京航空航天大学溧水仿生产业研究院有限公司 | Biomimetic features pearl and preparation method thereof |
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