CN105503160A - Quaternary system 95 aluminum oxide tile for new energy vehicles and processing method of tile - Google Patents
Quaternary system 95 aluminum oxide tile for new energy vehicles and processing method of tile Download PDFInfo
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- CN105503160A CN105503160A CN201510892121.6A CN201510892121A CN105503160A CN 105503160 A CN105503160 A CN 105503160A CN 201510892121 A CN201510892121 A CN 201510892121A CN 105503160 A CN105503160 A CN 105503160A
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- 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
- C04B35/10—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 aluminium oxide
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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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- 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
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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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
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
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- C—CHEMISTRY; METALLURGY
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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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- C—CHEMISTRY; METALLURGY
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Abstract
The invention discloses a quaternary system 95 aluminum oxide tile for new energy vehicles. The tile is prepared from components as follows: 1.2%-3.4% of calcium carbonate, 1.0%-1.3% of silicon dioxide, 92%-95% of aluminum oxide, 0.1%-0.5% of zirconium dioxide, 1.2%-1.27% of quartz, 1.4%-1.5% of kaolin and 0.1%-0.5% of calcined talc. The breaking strength of different areas or points of the same plane can be kept consistent, and the breaking strength of different areas or points can be kept at 700 Mpa, so that the product can be applied to high-power working environments.
Description
Technical field
The present invention relates to electronic ceramics production technical field, particularly a kind of new-energy automobile quaternary system 95 alumina ceramic chip and working method thereof.
Background technology
The electronic devices and components such as piezo-electric motor and piezoelectric transformer, under high power work state, often because violent oscillatory motion during resonance causes stress rupture, can produce a large amount of heat by internal friction and dielectric loss during vibration, vibrate by fatigability can be caused to destroy for a long time.This just requires corresponding stupalith to have, and mechanical strength is high, electromechanical conversion efficiency is high, dynamo-electric small loss and other features, meets requirements of one's work under high-power state.There is electrode component to have higher requirement to being operated in these environment like this, particularly needing the follow-up electrode component of sealing-in of carrying out metallizing all the more so.
The ceramic log material formula of prior art, typically use calcined alumina, calcium carbonate, kaolin and burning talcum, prior art specifically has the defect of following several respects: product density is low, poor chemical stability, and folding strength is low.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of new-energy automobile quaternary system 95 alumina ceramic chip, and the working method of this new-energy automobile quaternary system 95 alumina ceramic chip, the present invention improves product density, thus bad problem of leaking gas etc. when solving subsequent metallisation sealing-in; Improve folding strength, thus raising product can be applied on some powerful electronic devices and components, developing produce market.
Described technical scheme is as follows:
Provide a kind of new-energy automobile quaternary system 95 alumina ceramic chip, described ceramics is formulated by following component:
Calcium carbonate 1.2-3.4%,
Silica 1 .0-1.3%,
Aluminium sesquioxide 92-95%,
Zirconium dioxide 0.1-0.5%,
Quartz 1.2-1.27%,
Kaolin 1.4-1.5%,
Burn talcum 0.1-0.5%.
On the other hand, the invention provides a kind of working method of new-energy automobile quaternary system 95 alumina ceramic chip, described working method comprises the following steps:
Step one, batching: each component taking predetermined amount is mixed into mixed powder, wherein, the water content of aluminium sesquioxide requires≤0.03%;
Step 2, ball milling method is adopted to pulverize mixed powder: wherein, the weight proportion of mixed powder and ball is 1:3, in mixed powder, the oleic acid of 0.3% is added before ball milling, then be positioned in airtight rotatingcylindrical drum, ball milling 16 ~ 22 hours, makes the powder granularity of the mixed powder after ball milling below 1 μm;
Step 3, make gatch: the 0.5% interpolation yellow wax adding Chinese wax and mixed powder weight by 11% of mixed powder weight, heat fused, stirring, remove the moisture in wax, mixed powder is put in charging basket again and carry out stirring and become mixed slurry in more than 3 hours, after the air in mixed slurry is fully got rid of, make gatch;
Step 4, hot-forming: in metal die, to be adopted by gatch hot-forming mode to make porcelain tube;
Step 5, de-waxing: heat up by temperature curve 230 DEG C, 450 DEG C, 590 DEG C, 890 DEG C four temperature sections, and advance the wax eliminating in porcelain tube in kiln with the speed of 50 minutes/alms bowl;
Step 6, deashing: the charging basket adopting the mixture adding silicon carbide material to porcelain tube to put into bobbing machine carries out deashing with the frequency vibration of 1.5Hz;
Step 7, sintering: be warmed up to 1150 DEG C of sintering 260 minutes gradually from room temperature, then continue to be warmed up to 1585 DEG C of sintering 80 minutes, be then incubated 50 minutes, naturally cooling.
Step 8, sand removal: charging basket that circular adamantine mixture puts into bobbing machine carries out sand removal with the frequency vibration of 4Hz to adopt the porcelain tube after to sintering to add.
Preferably, described working method can also comprise the following steps:
Grinding, grinds to form the ceramic whiteware finished product meeting dimensional requirement, on request to meet the requirement of ceramic metallization correlation technique to product sealing surface by product.
Surface treatment, organism product surface and interiors of products produced in process of production is by reaching the requirement before ceramic metalizing process printing after process of surface treatment.
Ceramic metallization is printed, product of the present invention adopts ceramic metallization technology-molybdenum manganese method, in order to the requirement of suitable ceramic metallization typography, ensure the repeatability of element function and be conducive to the sintering of ceramic component, molybdenum in slurry, manganese metal-powder, must control at average grain size between 1 ~ 2 μm, therefore, by repeatedly manufacturing experimently, finally determine molybdenum powder: manganese powder=4:1 ratio is made into molybdenum manganese metal mixed powder by ball milling operation just molybdenum, manganese metal-powder meets this requirement, add appropriate cotton solution and oxalic acid diethyl ester wherein again, stir, molybdenum manganese slurry is as the criterion until can become wire shape to flow down along glass stick, as improper in denseness before each printing, a small amount of cotton solution can be added again or oxalic acid diethyl ester regulates, by ready molybdenum manganese slurry by silk screen printing at surface of ceramic products, gauge control is below 50 μm.
Drying and sintering, carry out heat drying again by after advanced for the ceramic product having printed metal molybdenum manganese layer seasoning.Seasoning is exactly shelve for some time at normal temperatures; Heat drying is exactly by the organism in molybdenum manganese slurry or solvent evaporates, and in order to prevent the molybdenum manganese layer surface drying sclerosis of printing, product of the present invention adopts red line dry, and molybdenum manganese layer drying effect can be made very even.
The molybdenum manganese metal level sintering of ceramic printing, because product will have electric physicals, so ceramic metallization sintering has just become the critical process of product of the present invention, product after sintering makes molybdenum manganese metal level and ceramic disks organically combine, namely after molybdenum manganese metal level is sintered by special sintering furnace, make the moieties of molybdenum manganese metal completely thoroughly miserable or be diffused into inside ceramic layer, in the junction of ceramic disks and molybdenum manganese metal level, generate spinel type compound, realize there is very high bonding strength between ceramic disks from face, and certain rubbish power (≤100MPa can be born).
Product after ceramic metallization sintering, be easy to oxidation, nickel process on must carrying out within the shorter time, also be simultaneously the needs of sealing technology for improving ceramic metallization product (when namely improving welding ceramic metallized layer with weld the wettability of expecting), just go up nickel method and have burning nickel, the kinds of processes technology such as electronickelling, product of the present invention is through repeatedly very strict trial-production, finally determine that adopting nickel-plating technology to enter immediately after metallization sintering ceramic metallization product just carries out electronickelling, advantage is that the cycle is short, the nickel plate purity that electrode adopts can reach 99.5%, better effects if.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The folding strength of conplane different zones or point can keep being consistent, Φ 15.0mm × 5.0mm if any product size, carry out folding strength from A, B, C tri-differences, carry out testing equal 700Mpa, and Q/OKVL001-2003 technological standard only requires 290Mpa.The folding strength of different zones or point all can remain on 700Mpa, just can make product application of the present invention in powerful Working environment.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below embodiment of the present invention is described further in detail.
Embodiment one
Present embodiments provide a kind of new-energy automobile quaternary system 95 alumina ceramic chip, described ceramics is formulated by following component:
Calcium carbonate 1.2-3.4%,
Silica 1 .0-1.3%,
Aluminium sesquioxide 92-95%,
Zirconium dioxide 0.1-0.5%,
Quartz 1.2-1.27%,
Kaolin 1.4-1.5%,
Burn talcum 0.1-0.5%.
Embodiment two
Present embodiments provide a kind of working method of new-energy automobile quaternary system 95 alumina ceramic chip, described working method comprises the following steps:
Step one, batching: each component taking predetermined amount is mixed into mixed powder, wherein, the water content of aluminium sesquioxide requires≤0.03%; Wherein, the content of each component is as described in embodiment one.
Step 2, ball milling method is adopted to pulverize mixed powder: wherein, the weight proportion of mixed powder and ball is 1:3, in mixed powder, the oleic acid of 0.3% is added before ball milling, then be positioned in airtight rotatingcylindrical drum, ball milling 16 ~ 22 hours, makes the powder granularity of the mixed powder after ball milling below 1 μm;
Step 3, make gatch: the 0.5% interpolation yellow wax adding Chinese wax and mixed powder weight by 11% of mixed powder weight, heat fused, stirring, remove the moisture in wax, mixed powder is put in charging basket again and carry out stirring and become mixed slurry in more than 3 hours, after the air in mixed slurry is fully got rid of, make gatch;
Step 4, hot-forming: in metal die, to be adopted by gatch hot-forming mode to make porcelain tube;
Step 5, de-waxing: heat up by temperature curve 230 DEG C, 450 DEG C, 590 DEG C, 890 DEG C four temperature sections, and advance the wax eliminating in porcelain tube in kiln with the speed of 50 minutes/alms bowl;
Step 6, deashing: the charging basket adopting the mixture adding silicon carbide material to porcelain tube to put into bobbing machine carries out deashing with the frequency vibration of 1.5Hz;
Step 7, sintering: be warmed up to 1150 DEG C of sintering 260 minutes gradually from room temperature, then continue to be warmed up to 1585 DEG C of sintering 80 minutes, be then incubated 50 minutes, naturally cooling.
Step 8, sand removal: charging basket that circular adamantine mixture puts into bobbing machine carries out sand removal with the frequency vibration of 4Hz to adopt the porcelain tube after to sintering to add.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. new-energy automobile quaternary system 95 alumina ceramic chip, is characterized in that, described ceramics is formulated by following component:
Calcium carbonate 1.2-3.4%,
Silica 1 .0-1.3%,
Aluminium sesquioxide 92-95%,
Zirconium dioxide 0.1-0.5%,
Quartz 1.2-1.27%,
Kaolin 1.4-1.5%,
Burn talcum 0.1-0.5%.
2. the working method of new-energy automobile quaternary system 95 alumina ceramic chip as claimed in claim 1, it is characterized in that, described working method comprises the following steps:
Step one, batching: each component taking predetermined amount is mixed into mixed powder, wherein, the water content of aluminium sesquioxide requires≤0.03%;
Step 2, ball milling method is adopted to pulverize mixed powder: wherein, the weight proportion of mixed powder and ball is 1:3, in mixed powder, the oleic acid of 0.3% is added before ball milling, then be positioned in airtight rotatingcylindrical drum, ball milling 16 ~ 22 hours, makes the powder granularity of the mixed powder after ball milling below 1 μm;
Step 3, make gatch: the 0.5% interpolation yellow wax adding Chinese wax and mixed powder weight by 11% of mixed powder weight, heat fused, stirring, remove the moisture in wax, mixed powder is put in charging basket again and carry out stirring and become mixed slurry in more than 3 hours, after the air in mixed slurry is fully got rid of, make gatch;
Step 4, hot-forming: in metal die, to be adopted by gatch hot-forming mode to make porcelain tube;
Step 5, de-waxing: heat up by temperature curve 230 DEG C, 450 DEG C, 590 DEG C, 890 DEG C four temperature sections, and advance the wax eliminating in porcelain tube in kiln with the speed of 50 minutes/alms bowl;
Step 6, deashing: the charging basket adopting the mixture adding silicon carbide material to porcelain tube to put into bobbing machine carries out deashing with the frequency vibration of 1.5Hz;
Step 7, sintering: be warmed up to 1150 DEG C of sintering 260 minutes gradually from room temperature, then continue to be warmed up to 1585 DEG C of sintering 80 minutes, be then incubated 50 minutes, naturally cooling;
Step 8, sand removal: charging basket that circular adamantine mixture puts into bobbing machine carries out sand removal with the frequency vibration of 4Hz to adopt the porcelain tube after to sintering to add.
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Cited By (6)
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| CN110117186A (en) * | 2018-08-15 | 2019-08-13 | 娄底市安地亚斯电子陶瓷有限公司 | A kind of new energy ceramic connector and preparation method thereof reducing power battery whole height |
| CN111116178A (en) * | 2019-11-27 | 2020-05-08 | 东台施迈尔新材料科技有限公司 | Components and preparation method of high-hardness fired ceramic part |
| CN112919885A (en) * | 2019-12-05 | 2021-06-08 | 湖南创安防爆电器有限公司 | Heat dissipation ceramic for explosion-proof equipment |
| CN112919886A (en) * | 2019-12-05 | 2021-06-08 | 湖南荣威煤机制造有限公司 | Mechanical equipment fuse ceramic tube |
| CN112939579A (en) * | 2021-01-19 | 2021-06-11 | 湖南省醴陵市兆荣瓷业有限公司 | Formula and method for preparing yellow 95 ceramic with stable high-temperature color by permeating zirconium base |
| CN113061020A (en) * | 2021-02-07 | 2021-07-02 | 娄底市安地亚斯电子陶瓷有限公司 | Ceramic slurry, preparation method thereof and ceramic material |
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| CN112919886A (en) * | 2019-12-05 | 2021-06-08 | 湖南荣威煤机制造有限公司 | Mechanical equipment fuse ceramic tube |
| CN112939579A (en) * | 2021-01-19 | 2021-06-11 | 湖南省醴陵市兆荣瓷业有限公司 | Formula and method for preparing yellow 95 ceramic with stable high-temperature color by permeating zirconium base |
| CN113061020A (en) * | 2021-02-07 | 2021-07-02 | 娄底市安地亚斯电子陶瓷有限公司 | Ceramic slurry, preparation method thereof and ceramic material |
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| CN105503160B (en) | 2017-12-19 |
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