CN106116570A - Ceramic preparation, pottery and basalt bushing - Google Patents
Ceramic preparation, pottery and basalt bushing Download PDFInfo
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- CN106116570A CN106116570A CN201610503758.6A CN201610503758A CN106116570A CN 106116570 A CN106116570 A CN 106116570A CN 201610503758 A CN201610503758 A CN 201610503758A CN 106116570 A CN106116570 A CN 106116570A
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- dispensing
- powder
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- ceramic preparation
- preparation
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- 238000002360 preparation method Methods 0.000 title claims abstract description 42
- 239000000919 ceramic Substances 0.000 title claims abstract description 38
- 239000000843 powder Substances 0.000 claims abstract description 69
- 239000000654 additive Substances 0.000 claims abstract description 43
- 230000000996 additive effect Effects 0.000 claims abstract description 43
- 238000001035 drying Methods 0.000 claims abstract description 35
- 239000000203 mixture Substances 0.000 claims abstract description 30
- 238000005245 sintering Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 18
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims abstract description 14
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 3
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052706 scandium Inorganic materials 0.000 claims description 3
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 6
- 229910000629 Rh alloy Inorganic materials 0.000 abstract description 4
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000005491 wire drawing Methods 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- 229920002748 Basalt fiber Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 1
- CSSYLTMKCUORDA-UHFFFAOYSA-N barium(2+);oxygen(2-) Chemical compound [O-2].[Ba+2] CSSYLTMKCUORDA-UHFFFAOYSA-N 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- -1 yittrium oxide Chemical compound 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
- C03B37/095—Use of materials therefor
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/49—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Abstract
The present invention relates to ceramic preparation, pottery and basalt bushing.Described ceramic preparation, comprises the following steps: prepare the first dispensing, the second dispensing and the powder of additive respectively；Powder mix homogeneously according to a certain percentage by the first dispensing, the second dispensing and the additive of preparation；Powder after mix homogeneously is dried；Powder after drying carries out Thermocompressed sintering and forming；Wherein, described first dispensing is zirconium oxide, and described second dispensing is any one in lanthana, yittrium oxide and magnesium oxide.This pottery is homogeneous, has preferable resistance to elevated temperatures and electric conductivity；This pottery has higher intensity and good warping resistance and break resistance, it is possible to bear certain load.In consideration of it, use this kind of ceramic preparation technology to can be used for making special process equipment, such as, it is used for making the base plate of basalt bushing, substitutes the base plate that traditional platinum-rhodium alloy is made, greatly reduce production cost.
Description
Technical field
The present invention relates to material manufacturing technology field, more particularly, to a kind of ceramic preparation, pottery and basalt
Bushing.
Background technology
Technical field is made, such as basalt fibre manufacturing technology field, often high temperature resistant to the equipment of production at first system
Performance, electric conductivity and intensity have high requirement.
During basalt pyrosol is carried out wire drawing, bushing needs at very high temperatures, the highest
Carrying out operation under conditions of reaching 1200-1300 DEG C, this just requires that bushing has good heat-resisting quantity in the course of the work
Energy.
On the other hand, owing to basaltic melt temperature is high, viscosity is big and easy crystallize, the more difficult control of wire-drawing temperature, need
To be electrically heated the base plate of bushing simultaneously, to ensure basalt fused solution temperature in drawing process, this will
The base plate seeking bushing has good electric conductivity.
Furthermore, basalt fused solution is by the outflow of leting slip a remark on the base plate of described bushing, in the lower section of described base plate
By wire drawing machine, fused solution is drawn into basalt continuous fiber, owing to basalt fused solution has higher viscosity so that institute
Stating base plate to need to bear great pulling force, this just requires that described base plate has higher intensity and good warping resistance and resists disconnected
Fragility energy.
In consideration of it, the base plate of basalt wire drawing floor of the prior art makes often through platinum-rhodium alloy, to meet
The very high performance requirement to the base plate of bushing of the basalt fibre manufacture process.But, the cost of manufacture of this bushing
High.Meanwhile, use the ceramic bushing that existing technique makes, can not meet again the base plate of bushing to resistance to elevated temperatures, lead
Electrical property and the high requirement of intensity.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of can production and there is high resistance to elevated temperatures, electric conductivity
The ceramic preparation of the pottery of the excellent properties such as energy and intensity.
Another object of the present invention is to provide a kind of and can have high resistance to elevated temperatures, electric conductivity and intensity
Pottery.
Another object of the present invention is to provide a kind of basalt bushing that can effectively reduce cost of manufacture.
There is provided a kind of ceramic preparation according to the present invention, comprise the following steps:
Prepare the first dispensing, the second dispensing and the powder of additive respectively；
Powder mix homogeneously according to a certain percentage by the first dispensing, the second dispensing and the additive of preparation；
Powder after mix homogeneously is dried；
Powder after drying carries out Thermocompressed sintering and forming；
Wherein, described first dispensing is zirconium oxide, and described second dispensing is arbitrary in lanthana, yittrium oxide and magnesium oxide
Kind.
Preferably, described additive includes Determination of multiple metal elements.
Preferably, two kinds at least within during described metallic element includes strontium, barium, titanium, yttrium, cerium and scandium.
Preferably, described Determination of multiple metal elements is presented in each autoxidisable substance.
Preferably, the step of the powder preparing the first dispensing, the second dispensing and additive respectively includes:
Respectively the various components of the first dispensing, the second dispensing, and additive are put in ball mill, carry out continuous powder
Broken, make micropowder.
Preferably, the particle diameter of described micropowder is 1-3 μm.
Preferably, by the powder mix homogeneously according to a certain percentage of the first dispensing, the second dispensing and the additive of preparation
Step include:
Enter according to first dosed powder 84-86 part, second dosed powder 15-16 part, the parts by weight of additive 0.5-1 part
Row doping mix homogeneously.
Preferably, the step that the powder after mix homogeneously carries out drying is included:
It is maintained at a temperature of 230 DEG C-270 DEG C, the powder after mix homogeneously is carried out continuously the drying of 8-12 hour.
Preferably, the powder after drying carries out the step of hot pressed sintering and includes:
Powder after drying is put in mould, pressurizes in limit, and limit sinters, and the process of wherein said pressurization is divided into multiple
Stage is carried out, and releases moulding pressure after pressurization a period of time so that after workpiece to be added release stress, then row pressurization.
Preferably, the sintering temperature of described powder is 1100-1400 DEG C.
Preferably, the powder after drying carries out the step of Thermocompressed sintering and forming and also includes: the powder after drying
Before carrying out hot pressed sintering, the powder after first drying carries out pelletize.
Preferably, the purity of described first dispensing, the second dispensing and additive is 99.80-99.99%.
According to the second aspect of the invention, it is provided that a kind of pottery, the ceramic preparation described in described pottery employing is made.
According to the third aspect of the invention we, it is provided that a kind of basalt bushing, the base plate of described basalt bushing
Ceramic preparation described in employing is made.
Use pottery prepared by above-mentioned ceramic preparation, within porosity can be controlled in 20%.This pottery is homogeneous,
The most easy to crack, and there is preferable resistance to elevated temperatures and electric conductivity, even can make under conditions of up to 1400 degrees Celsius
With；On the other hand, the pottery using this ceramic preparation to prepare has higher intensity and good warping resistance and resists disconnected
Fragility energy, it is possible to bear certain load.In consideration of it, use this kind of ceramic preparation technology to can be used for making special process equipment,
Such as it is used for making the base plate of basalt bushing, substitutes the base plate that traditional platinum-rhodium alloy is made, well make in guarantee
While performance, greatly reduce production cost.
Accompanying drawing explanation
By description to the embodiment of the present invention referring to the drawings, above-mentioned and other purposes of the present invention, feature and
Advantage will be apparent from.
Fig. 1 is the flow chart of steps of the ceramic preparation according to the embodiment of the present invention.
Detailed description of the invention
It is more fully described various embodiments of the present invention hereinafter with reference to accompanying drawing.In various figures, identical element
Same or similar reference is used to represent.For the sake of clarity, the various piece in accompanying drawing is not necessarily to scale.
Fig. 1 shows the step of ceramic preparation according to embodiments of the present invention.Detailed below in conjunction with several embodiments
The ceramic preparation described in explanation.
Embodiment one:
S1) the first dispensing, the second dispensing and the powder of additive, are prepared respectively；Wherein, described first dispensing is oxidation
Zirconium, described second dispensing is any one in lanthana, yittrium oxide and magnesium oxide.In this step, first choose highly purified
Various raw materials, including the first dispensing, the second dispensing and additive, it is desirable to purity >=98% of various raw materials, are preferably
99.80-99.99%, in order to strict control composition proportioning；
Then, respectively the various components of the first dispensing, the second dispensing and additive are put in ball mill, carry out continuously
Pulverize, make micropowder.Preferably, the particle diameter of described micropowder is 5-25 μm, and more preferably 1-3 μm so can make
The ceramic quality that must make is more uniform.
S2), by step S1 preparation the first dispensing, the second dispensing and additive according to the first dosed powder 84 parts,
Second dosed powder 10 parts, the parts by weight of additive 0.5 part are doped and mix homogeneously.
In this step, the proportion relation between each component of described additive is added according to being actually needed.
S3), it is maintained at a temperature of 230 DEG C, the powder after mix homogeneously is carried out continuously the drying of 8 hours.
S4), will dry after powder under the high temperature of 1100 DEG C, carry out Thermocompressed sintering and forming.
In this step, the powder after drying is put in mould, and is integrally placed in sintering furnace, such as, place
In closed Medium frequency induction hot-pressed sintering furnace, pressurize in limit, and limit sinters, and the process of wherein said pressurization is divided into multiple stage to enter
OK, such as, seven times or eight times pressurizations can be divided into as required；Moulding pressure is released to be processed after pressurization a period of time
After part release stress, then row pressurization, in order to avoid make the stress of workpiece to be added have little time release and cause due to lasting pressurization
Workpiece to be added ftractures.
Powder in one embodiment, before the powder after drying carries out hot pressed sintering, after can first drying
End carries out pelletize, is put into by the granule made and carries out Thermocompressed sintering and forming in mould.
Embodiment two:
S1) the first dispensing, the second dispensing and the powder of additive, are prepared respectively；Wherein, described first dispensing is oxidation
Zirconium, described second dispensing is any one in lanthana, yittrium oxide and magnesium oxide.
In this step, first choose highly purified various raw material, including the first dispensing, the second dispensing and additive,
Require purity >=98% of various raw material, preferably 99.80-99.99%, in order to strict control composition proportioning；
Then, respectively the various compositions of the first dispensing, the second dispensing and additive are put in ball mill, carry out continuously
Pulverize, make micropowder.Preferably, the particle diameter of described micropowder is 5-25 μm, and more preferably 1-3 μm so can make
The ceramic quality that must make is more uniform.
S2), by step S1 preparation the first dispensing, the second dispensing and additive according to the first dosed powder 85 parts,
Second dosed powder 10 parts, the parts by weight of additive 0.75 part are doped and mix homogeneously.
In this step, the proportion relation between each component of described additive is added according to being actually needed.
S3), it is maintained at a temperature of 240 DEG C, the powder after mix homogeneously is carried out continuously the drying of 10 hours.
S4), will dry after powder under the high temperature of 1200 DEG C, carry out Thermocompressed sintering and forming.
In this step, the powder after drying is put in mould, and is integrally placed in sintering furnace, such as, place
In closed Medium frequency induction hot-pressed sintering furnace, pressurize in limit, and limit sinters, and the process of wherein said pressurization is divided into multiple stage to enter
OK, such as, seven times or eight times pressurizations can be divided into as required；Moulding pressure is released to be processed after pressurization a period of time
After part release stress, then row pressurization, in order to avoid make the stress of workpiece to be added have little time release and cause due to lasting pressurization
Workpiece to be added ftractures.
Powder in one embodiment, before the powder after drying carries out hot pressed sintering, after can first drying
End carries out pelletize, is put into by the granule made and carries out Thermocompressed sintering and forming in mould.
Embodiment three:
S1) the first dispensing, the second dispensing and the powder of additive, are prepared respectively；Wherein, described first dispensing is oxidation
Zirconium, described second dispensing is any one in lanthana, yittrium oxide and magnesium oxide.
In this step, first choose highly purified various raw material, including the first dispensing, the second dispensing and additive,
Require purity >=98% of various raw material, preferably 99.80-99.99%, in order to strict control composition proportioning；
Then, respectively the various compositions of the first dispensing, the second dispensing and additive are put in ball mill, carry out continuously
Pulverize, make micropowder.Preferably, the particle diameter of described micropowder is 5-25 μm, and more preferably 1-3 μm so can make
The ceramic quality that must make is more uniform.
S2), by step S1 preparation the first dispensing, the second dispensing and additive according to the first dosed powder 86 parts,
Second dosed powder 11 parts, the parts by weight of additive 0.75 part are doped and mix homogeneously.
In this step, the proportion relation between each component of described additive is added according to being actually needed.
S3), it is maintained at a temperature of 250 DEG C, the powder after mix homogeneously is carried out continuously the drying of 11 hours.
S4) powder after, drying carries out, under the high temperature of 1300 DEG C, carrying out Thermocompressed sintering and forming.
In this step, the powder after drying is put in mould, and is integrally placed in sintering furnace, such as, place
In closed Medium frequency induction hot-pressed sintering furnace, pressurize in limit, and limit sinters, and the process of wherein said pressurization is divided into multiple stage to enter
OK, such as, seven times or eight times pressurizations can be divided into as required；Moulding pressure is released to be processed after pressurization a period of time
After part release stress, then row pressurization, in order to avoid make the stress of workpiece to be added have little time release and cause due to lasting pressurization
Workpiece to be added ftractures.
Powder in one embodiment, before the powder after drying carries out hot pressed sintering, after can first drying
End carries out pelletize, is put into by the granule made and carries out Thermocompressed sintering and forming in mould.
Embodiment four:
S1) the first dispensing, the second dispensing and the powder of additive, are prepared respectively；Wherein, described first dispensing is oxidation
Zirconium, described second dispensing is any one in lanthana, yittrium oxide and magnesium oxide.
In this step, first choose highly purified various raw material, including the first dispensing, the second dispensing and additive,
Require purity >=98% of various raw material, preferably 99.80-99.99%, in order to strict control composition proportioning；
Then, respectively the various compositions of the first dispensing, the second dispensing and additive are put in ball mill, carry out continuously
Pulverize, make micropowder.Preferably, the particle diameter of described micropowder is 5-25 μm, and more preferably 1-3 μm so can make
The ceramic quality that must make is more uniform.
S2), by step S1 preparation the first dispensing, the second dispensing and additive according to the first dosed powder 87 parts,
Second dosed powder 11 parts, the parts by weight of additive 1 part are doped and mix homogeneously.
In this step, the proportion relation between each component of described additive is added according to being actually needed.
S3), it is maintained at a temperature of 270 DEG C, the powder after mix homogeneously is carried out continuously the drying of 12 hours.
S4) powder after, drying carries out, under the high temperature of 1400 DEG C, carrying out Thermocompressed sintering and forming.
In this step, the powder after drying is put in mould, and is integrally placed in sintering furnace, such as, place
In closed Medium frequency induction hot-pressed sintering furnace, pressurize in limit, and limit sinters, and the process of wherein said pressurization is divided into multiple stage to enter
OK, such as, seven times or eight times pressurizations can be divided into as required；Moulding pressure is released to be processed after pressurization a period of time
After part release stress, then row pressurization, in order to avoid make the stress of workpiece to be added have little time release and cause due to lasting pressurization
Workpiece to be added ftractures.
Powder in one embodiment, before the powder after drying carries out hot pressed sintering, after can first drying
End carries out pelletize, is put into by the granule made and carries out Thermocompressed sintering and forming in mould.
In the above embodiments one to embodiment four, described additive includes Determination of multiple metal elements, such as strontium, barium, titanium,
In yttrium, cerium and scandium two kinds at least within.Described Determination of multiple metal elements presented in each autoxidisable substance, such as strontium oxide,
Barium monoxide, titanium dioxide, yittrium oxide, ceria and scandium oxide.Described additive can increase the high temperature of pottery
Heat stability and electric conductivity, can also play the effect of crystal grain thinning simultaneously.
Using pottery prepared by above-mentioned ceramic preparation, porosity can arrive≤20%.This pottery is homogeneous, is difficult to
Cracking, and there is preferable resistance to elevated temperatures and electric conductivity, even can use under conditions of up to 1400 degrees Celsius；Separately
On the one hand, the pottery using this ceramic preparation to prepare has higher intensity and good warping resistance and resistance to fracture
Can, it is possible to bear certain load.In consideration of it, use this kind of ceramic preparation technology to can be used for making special process equipment, such as
It is used for making the base plate of basalt bushing, substitutes the base plate that traditional platinum-rhodium alloy is made, ensure good usability
While energy, greatly reduce production cost.
It should be noted that, in this article, the relational terms of such as first and second or the like is used merely to a reality
Body or operation separate with another entity or operating space, and deposit between not necessarily requiring or imply these entities or operating
Relation or order in any this reality.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Including process, method, article or the equipment of described key element there is also other identical element.
It is last that it is noted that obviously above-described embodiment is only for clearly demonstrating example of the present invention, and also
The non-restriction to embodiment.For those of ordinary skill in the field, can also do on the basis of the above description
Go out change or the variation of other multi-form.Here without also cannot all of embodiment be given exhaustive.And thus drawn
What Shen went out obviously changes or changes among still in protection scope of the present invention.
Claims (14)
1. a ceramic preparation, it is characterised in that comprise the following steps:
Prepare the first dispensing, the second dispensing and the powder of additive respectively；
Powder mix homogeneously according to a certain percentage by the first dispensing, the second dispensing and the additive of preparation；
Powder after mix homogeneously is dried；
Powder after drying carries out Thermocompressed sintering and forming；
Wherein, described first dispensing is zirconium oxide, and described second dispensing is any one in lanthana, yittrium oxide and magnesium oxide.
Ceramic preparation the most according to claim 1, it is characterised in that described additive includes Determination of multiple metal elements.
Ceramic preparation the most according to claim 2, it is characterised in that described metallic element include strontium, barium, titanium, yttrium,
In cerium and scandium two kinds at least within.
Ceramic preparation the most according to claim 3, it is characterised in that described Determination of multiple metal elements is with each autoxidisable substance
Presented in.
Ceramic preparation the most according to claim 1, it is characterised in that prepare respectively the first dispensing, the second dispensing with
And the step of the powder of additive includes:
Respectively the various components of the first dispensing, the second dispensing, and additive are put in ball mill, pulverize continuously, system
Become micropowder.
Ceramic preparation the most according to claim 5, it is characterised in that the particle diameter of described micropowder is 1-3 μm.
Ceramic preparation the most according to claim 1, it is characterised in that by preparation the first dispensing, the second dispensing with
And the step of the powder of additive mix homogeneously according to a certain percentage includes:
Mix according to first dosed powder 84-86 part, second dosed powder 15-16 part, the parts by weight of additive 0.5-1 part
Miscellaneous and mix homogeneously.
Ceramic preparation the most according to claim 1, it is characterised in that carry out the powder after mix homogeneously drying
Step includes:
It is maintained at a temperature of 230 DEG C-270 DEG C, the powder after mix homogeneously is carried out continuously the drying of 8-12 hour.
Ceramic preparation the most according to claim 1, it is characterised in that the powder after drying carries out hot pressed sintering
Step includes:
Powder after drying is put in mould, pressurizes in limit, and limit sinters, and the process of wherein said pressurization is divided into multiple stage
Carry out, after pressurization a period of time, release moulding pressure so that after workpiece to be added release stress, then row pressurization.
Ceramic preparation the most according to claim 9, it is characterised in that the sintering temperature of described powder is 1100-
1400℃。
11. ceramic preparations according to claim 1, it is characterised in that the powder after drying carries out hot pressing burning
The step forming type also includes: before the powder after drying carries out hot pressed sintering, and the powder after first drying is made
Grain.
12. ceramic preparations according to claim 1, it is characterised in that described first dispensing, the second dispensing and add
The purity of charging is 99.80-99.99%.
13. 1 kinds of potteries, it is characterised in that described pottery uses the ceramic preparation system described in any one of claim 1-12
Become.
14. 1 kinds of basalt bushings, it is characterised in that the base plate of described basalt bushing uses claim 1-12
Ceramic preparation described in any one is made.
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| CN201610503758.6A CN106116570A (en) | 2016-06-30 | 2016-06-30 | Ceramic preparation, pottery and basalt bushing |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508574A (en) * | 2009-03-25 | 2009-08-19 | 王铀 | Ceramic material with amorphous/nanocrystalline structure and method of producing the same |
| CN102633432A (en) * | 2012-04-28 | 2012-08-15 | 苏州企航新能源有限公司 | Basalt fiber drain bushing with evaporative cooler |
| CN104245628A (en) * | 2012-04-18 | 2014-12-24 | 日东电工株式会社 | Method and apparatus for sintering flat ceramics |
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2016
- 2016-06-30 CN CN201610503758.6A patent/CN106116570A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508574A (en) * | 2009-03-25 | 2009-08-19 | 王铀 | Ceramic material with amorphous/nanocrystalline structure and method of producing the same |
| CN104245628A (en) * | 2012-04-18 | 2014-12-24 | 日东电工株式会社 | Method and apparatus for sintering flat ceramics |
| CN102633432A (en) * | 2012-04-28 | 2012-08-15 | 苏州企航新能源有限公司 | Basalt fiber drain bushing with evaporative cooler |
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Effective date of registration: 20171124 Address after: No. 618, three section of Jackie Chan Avenue, Chengdu economic and Technological Development Zone, Sichuan Province Applicant after: Sichuan Aerospace Tuoxin Basalt Industrial Co., Ltd. Address before: 518000 room 324, Nanshan District Science Park Comprehensive Service building, Shenzhen, Guangdong Applicant before: Cao Baiqing Applicant before: Yang Meng |
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