CN105384437A - Preparation method of zirconium oxide product - Google Patents
Preparation method of zirconium oxide product Download PDFInfo
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- CN105384437A CN105384437A CN201510791392.2A CN201510791392A CN105384437A CN 105384437 A CN105384437 A CN 105384437A CN 201510791392 A CN201510791392 A CN 201510791392A CN 105384437 A CN105384437 A CN 105384437A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 title abstract description 7
- 229910001928 zirconium oxide Inorganic materials 0.000 title abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 35
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 13
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims abstract description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000498 ball milling Methods 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000011019 hematite Substances 0.000 claims abstract description 7
- 229910052595 hematite Inorganic materials 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 7
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims abstract description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 30
- 238000002844 melting Methods 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 7
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000004571 lime Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000000292 calcium oxide Substances 0.000 abstract description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 3
- 239000005350 fused silica glass Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- -1 magnesium nitride Chemical class 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000003832 thermite Substances 0.000 description 1
Classifications
-
- 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
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/6265—Thermal treatment of powders or mixtures thereof other than sintering involving reduction or oxidation
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/6268—Thermal treatment of powders or mixtures thereof other than sintering characterised by the applied pressure or type of atmosphere, e.g. in vacuum, hydrogen or a specific oxygen pressure
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62685—Treating the starting powders individually or as mixtures characterised by the order of addition of constituents or additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Composite Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a preparation method of a zirconium oxide product, belonging to the technical field of a macromolecular material. The preparation method comprises the following steps: firstly mixing electric molten zirconium oxide particles and hematite powder in a closed container, introducing mixed gas which is half of the volume of the closed container to the closed container, then placing a fired magnesium ribbon into the closed container, adding calcium oxide powder, stirring, slowly introducing acetylene, after the charging of the gas is ended, performing the heat insulation, and naturally cooling to the room temperature; taking out a mixture cooled to the room temperature in the closed container, ball-milling the mixture into powder, mixing the mixture powder with PDA glue, stirring, and drying. The preparation method has the beneficial effects that the heat expansion coefficient of the zirconium oxide product is decreased by 5 to 7 percent, so that the stripping, extrusion breaking and crushing phenomenon of the product caused by the high heat expansion rate during the application process can be avoided, and the product quality is guaranteed.
Description
Technical field
The present invention relates to a kind of preparation method of zircite product, belong to technical field of polymer materials.
Background technology
Zirconium white high specific surface area, has very high fusing point, and high-purity compact zircite product has that use temperature is high, the corroded by liquid of resistance to melting, antiscour, be not easy precipitation, good chemical stability, is a kind of broad-spectrum high-performance refractory goods.ZrO
2fusing point, up to 2690 DEG C, is a kind of high grade refractory, has fire performance high, and chemical stability is good, particular advantages stable under oxidation, reduction and vacuum state.
For a long time, for the fused quartz smelting furnace of 2000 DEG C or higher and the zircite product of superhard alloy medium-frequency induction furnace, the complete of stablizer CaO content 4.4 ~ 4.7wt% is usually adopted to stablize ZrO
2produce.Adopt the zircite product produced in this way and there is following shortcoming: coefficient of thermal expansion is large, and thermal expansivity is high, with partially stabilized ZrO
2compare, thermal expansivity is almost partially stabilized ZrO
2twice, at 1500 DEG C, entirely stablize ZrO
2thermal expansivity is 11 × 10-6/ DEG C or higher.This product is used for fused quartz smelting furnace, and often because coefficient of thermal expansion is excessive, heat-shock resistance is poor and squeezed off crowded broken or flake-off sheet, severe contamination fused quartz, thus causes product rejection.ZrO
2fusing point is very high, and (as 1800 DEG C) are difficult to sintering at a lower temperature.
Summary of the invention
The technical problem that the present invention mainly solves: for using calcium oxide as stablizer, the zircite product coefficient of thermal expansion made under high temperature is large, thermal expansivity is high, cause its heat-shock resistance difference and squeezed off crowded broken or flake-off sheet, and zirconium white is difficult to the problem of sintering under low temperature, provide a kind of preparation method of zircite product, the present invention mainly releases a large amount of heat by thermite reaction, passing into of acetylene also can improve temperature simultaneously, provide the magnesium oxide that a kind of hot environment generates simultaneously, the materials such as magnesium nitride and the lime powder that adds solve thermal expansivity problem when being used alone calcium oxide as stablizer.The zircite product thermal expansivity that the present invention obtains reduces 5 ~ 7%, goods can not be produced because coefficient of thermal expansion is high in use procedure peel off, squeezes off crowded broken phenomenon, ensure that the quality of product.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention:
(1) count by weight, choose the electric-melting zirconia particle that 70 ~ 80 parts of particle diameters are 0.5 ~ 1mm, 17 ~ 25 parts of hematite powders, 1 ~ 2 part of aluminium powder, 2 ~ 3 parts of Potcrate mixing, and be placed in an encloses container, and pass into the mixed gas of containment vessel volume 1/2 to it, in described mixed gas, the volume ratio of oxygen and nitrogen is 1:9 ~ 1:10;
(2) after gas to be mixed passes into end, the magnesium ribbon lighted is placed in encloses container, after making the mixture reaction 1 ~ 2h in encloses container, when temperature in encloses container reaches 900 ~ 1000 DEG C, the lime powder of electric-melting zirconia granular mass 25% is added again to it, stirring makes it mix, and control stirring velocity is 100 ~ 200r/min, and churning time is 25 ~ 30min;
(3) then in encloses container, acetylene gas is passed into, pass into once every 3 ~ 5min to it, altogether pass into 5 ~ 7 times, and control that to pass into speed be 20 ~ 30mL/s, the temperature in encloses container is made to be increased to 1200 ~ 1300 DEG C, pass into after end until gas, insulation 1 ~ 2h, then make it naturally cool to room temperature;
(4) mixture being cooled to room temperature in encloses container is taken out, be placed in ball mill ball milling and become 100 ~ 120 object powder, again by after the PDA glue mixing of itself and powder quality 1 ~ 2%, being placed in temperature is that the baking oven of 70 ~ 80 DEG C carries out oven dry 30 ~ 45min, can obtain a kind of zircite product.
The density of the zircite product of above-mentioned preparation is 4 ~ 4.5g/cm
3, normal temperature is resistance to is pressed on 250 ~ 370MPa, and fusing point is at 2700 ~ 3000 DEG C.
Application of the present invention: above-mentioned obtained zircite product is used for making zirconium oxide abrasive material or being made zirconia coating material, is applied to high performance turbine aircraft engine.The abrasive substance utilizing this zircite product to make has that hardness is large, wear rate is little, long service life, significantly can reduce the pollution of grinding raw material, and can be high temperature resistant as coated material, and temperature can reach 2700 ~ 3000 DEG C.
The invention has the beneficial effects as follows:
(1) zircite product thermal expansivity reduces 5 ~ 7%, goods can not be produced because coefficient of thermal expansion is high in use procedure peel off, squeezes off crowded broken phenomenon, ensure that the quality of product.
(2) preparation process is simple, and cost is low.
Embodiment
First count by weight, choose the electric-melting zirconia particle that 70 ~ 80 parts of particle diameters are 0.5 ~ 1mm, 17 ~ 25 parts of hematite powders, 1 ~ 2 part of aluminium powder, 2 ~ 3 parts of Potcrate mixing, and be placed in an encloses container, and pass into the mixed gas of containment vessel volume 1/2 to it, wherein in mixed gas, the volume ratio of oxygen and nitrogen is 1:9 ~ 1:10; After gas to be mixed passes into end, the magnesium ribbon lighted is placed in encloses container, after making the mixture reaction 1 ~ 2h in encloses container, when temperature in encloses container reaches 900 ~ 1000 DEG C, the lime powder of electric-melting zirconia granular mass 25% is added again to it, stirring makes it mix, and control stirring velocity is 100 ~ 200r/min, and churning time is 25 ~ 30min; Then in encloses container, acetylene gas is passed into, pass into once every 3 ~ 5min to it, altogether pass into 5 ~ 7 times, and control that to pass into speed be 20 ~ 30mL/s, the temperature in encloses container is made to be increased to 1200 ~ 1300 DEG C, pass into after end until gas, insulation 1 ~ 2h, then make it naturally cool to room temperature; The mixture being cooled to room temperature in encloses container is taken out, be placed in ball mill ball milling and become 100 ~ 120 object powder, again by after the PDA glue mixing of itself and powder quality 1 ~ 2%, being placed in temperature is that the baking oven of 70 ~ 80 DEG C carries out oven dry 30 ~ 45min, can obtain a kind of zircite product.The density of zircite product is 4 ~ 4.5g/cm
3, normal temperature is resistance to is pressed on 250 ~ 370MPa, and fusing point is at 2700 ~ 3000 DEG C.
Example 1
First count by weight, choose the electric-melting zirconia particle that 80 parts of particle diameters are 1mm, 25 parts of hematite powders, 2 parts of aluminium powders, 3 parts of Potcrate mixing, and be placed in an encloses container, and pass into the mixed gas of containment vessel volume 1/2 to it, wherein in mixed gas, the volume ratio of oxygen and nitrogen is 1:10; After gas to be mixed passes into end, the magnesium ribbon lighted is placed in encloses container, after making the mixture reaction 2h in encloses container, when temperature in encloses container reaches 1000 DEG C, the lime powder of electric-melting zirconia granular mass 25% is added again to it, stirring makes it mix, and control stirring velocity is 200r/min, and churning time is 30min; Then in encloses container, pass into acetylene gas, pass into once every 5min to it, altogether pass into 7 times, and control that to pass into speed be 30mL/s, make the temperature in encloses container be increased to 1300 DEG C, pass into after end until gas, insulation 2h, then make it naturally cool to room temperature; The mixture being cooled to room temperature in encloses container is taken out, be placed in ball mill ball milling and become 120 object powder, again by after the PDA glue mixing of itself and powder quality 2%, being placed in temperature is that the baking oven of 80 DEG C carries out oven dry 45min, can obtain a kind of zircite product.The density of zircite product is 4.5g/cm
3, normal temperature is resistance to is pressed on 370MPa, and fusing point is at 3000 DEG C.Above-mentioned obtained zircite product is used for making zirconium oxide abrasive material.The abrasive substance utilizing this zircite product to make has that hardness is large, wear rate is little, long service life, significantly can reduce the pollution of grinding raw material.
Example 2
First count by weight, choose the electric-melting zirconia particle that 70 parts of particle diameters are 0.5mm, 25 parts of hematite powders, 2 parts of aluminium powders, 3 parts of Potcrate mixing, and be placed in an encloses container, and pass into the mixed gas of containment vessel volume 1/2 to it, wherein in mixed gas, the volume ratio of oxygen and nitrogen is 1:9; After gas to be mixed passes into end, the magnesium ribbon lighted is placed in encloses container, after making the mixture reaction 2h in encloses container, when temperature in encloses container reaches 900 DEG C, the lime powder of electric-melting zirconia granular mass 25% is added again to it, stirring makes it mix, and control stirring velocity is 100r/min, and churning time is 25 ~ 30min; Then in encloses container, pass into acetylene gas, pass into once every 3min to it, altogether pass into 5 times, and control that to pass into speed be 20mL/s, make the temperature in encloses container be increased to 1200 DEG C, pass into after end until gas, insulation 1h, then make it naturally cool to room temperature; The mixture being cooled to room temperature in encloses container is taken out, be placed in ball mill ball milling and become 100 object powder, again by after the PDA glue mixing of itself and powder quality 1%, being placed in temperature is that the baking oven of 70 DEG C carries out oven dry 30min, can obtain a kind of zircite product.The density of zircite product is 4g/cm
3, normal temperature is resistance to is pressed on 250MPa, and fusing point is at 2700 DEG C.Above-mentioned obtained zircite product is used for making zirconia coating material, is applied to high performance turbine aircraft engine, and can be high temperature resistant as coated material, temperature can reach 3000 DEG C.
Example 3
First count by weight, choose the electric-melting zirconia particle that 75 parts of particle diameters are 0.6mm, 20 parts of hematite powders, 2 parts of aluminium powders, 3 parts of Potcrate mixing, and be placed in an encloses container, and pass into the mixed gas of containment vessel volume 1/2 to it, wherein in mixed gas, the volume ratio of oxygen and nitrogen is 1:9; After gas to be mixed passes into end, the magnesium ribbon lighted is placed in encloses container, after making the mixture reaction 2h in encloses container, when temperature in encloses container reaches 950 DEG C, the lime powder of electric-melting zirconia granular mass 25% is added again to it, stirring makes it mix, and control stirring velocity is 150r/min, and churning time is 27min; Then in encloses container, pass into acetylene gas, pass into once every 4min to it, altogether pass into 6 times, and control that to pass into speed be 25mL/s, make the temperature in encloses container be increased to 1250 DEG C, pass into after end until gas, insulation 1h, then make it naturally cool to room temperature; The mixture being cooled to room temperature in encloses container is taken out, be placed in ball mill ball milling and become 110 object powder, again by after the PDA glue mixing of itself and powder quality 1%, being placed in temperature is that the baking oven of 75 DEG C carries out oven dry 40min, can obtain a kind of zircite product.The density of zircite product is 4.2g/cm
3, normal temperature is resistance to is pressed on 300MPa, and fusing point is at 2800 DEG C.Above-mentioned obtained zircite product is used for making zirconium oxide abrasive material.The abrasive substance utilizing this zircite product to make has that hardness is large, wear rate is little, long service life, significantly can reduce the pollution of grinding raw material.
Claims (1)
1. a preparation method for zircite product, is characterized in that concrete preparation process is:
(1) count by weight, choose the electric-melting zirconia particle that 70 ~ 80 parts of particle diameters are 0.5 ~ 1mm, 17 ~ 25 parts of hematite powders, 1 ~ 2 part of aluminium powder, 2 ~ 3 parts of Potcrate mixing, and be placed in an encloses container, and pass into the mixed gas of containment vessel volume 1/2 to it, in described mixed gas, the volume ratio of oxygen and nitrogen is 1:9 ~ 1:10;
(2) after gas to be mixed passes into end, the magnesium ribbon lighted is placed in encloses container, after making the mixture reaction 1 ~ 2h in encloses container, when temperature in encloses container reaches 900 ~ 1000 DEG C, the lime powder of electric-melting zirconia granular mass 25% is added again to it, stirring makes it mix, and control stirring velocity is 100 ~ 200r/min, and churning time is 25 ~ 30min;
(3) then in encloses container, acetylene gas is passed into, pass into once every 3 ~ 5min to it, altogether pass into 5 ~ 7 times, and control that to pass into speed be 20 ~ 30mL/s, the temperature in encloses container is made to be increased to 1200 ~ 1300 DEG C, pass into after end until gas, insulation 1 ~ 2h, then make it naturally cool to room temperature;
(4) mixture being cooled to room temperature in encloses container is taken out, be placed in ball mill ball milling and become 100 ~ 120 object powder, again by after the PDA glue mixing of itself and powder quality 1 ~ 2%, being placed in temperature is that the baking oven of 70 ~ 80 DEG C carries out oven dry 30 ~ 45min, can obtain a kind of zircite product.
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| CN201510791392.2A CN105384437B (en) | 2015-11-17 | 2015-11-17 | A kind of preparation method of zircite product |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002104877A (en) * | 2000-09-27 | 2002-04-10 | Moritex Corp | Method of synthesizing heat-shrinkable oxide |
| CN103496974A (en) * | 2013-09-25 | 2014-01-08 | 安徽巨盛新材料科技有限公司 | Production process of zirconia ceramics |
| CN104591745A (en) * | 2015-02-02 | 2015-05-06 | 厦门胜中流体控制技术有限公司 | Raw material powder for zirconia ceramic part with high wear resistance and preparation method of raw material powder |
| CN104891857A (en) * | 2015-05-26 | 2015-09-09 | 新化县众一陶瓷有限公司 | Preparation method of stabilizer composite zirconium oxide powder |
-
2015
- 2015-11-17 CN CN201510791392.2A patent/CN105384437B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002104877A (en) * | 2000-09-27 | 2002-04-10 | Moritex Corp | Method of synthesizing heat-shrinkable oxide |
| CN103496974A (en) * | 2013-09-25 | 2014-01-08 | 安徽巨盛新材料科技有限公司 | Production process of zirconia ceramics |
| CN104591745A (en) * | 2015-02-02 | 2015-05-06 | 厦门胜中流体控制技术有限公司 | Raw material powder for zirconia ceramic part with high wear resistance and preparation method of raw material powder |
| CN104891857A (en) * | 2015-05-26 | 2015-09-09 | 新化县众一陶瓷有限公司 | Preparation method of stabilizer composite zirconium oxide powder |
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