CN104961470A - Manufacturing method of composite oxide ceramic chopper - Google Patents
Manufacturing method of composite oxide ceramic chopper Download PDFInfo
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- CN104961470A CN104961470A CN201510363972.1A CN201510363972A CN104961470A CN 104961470 A CN104961470 A CN 104961470A CN 201510363972 A CN201510363972 A CN 201510363972A CN 104961470 A CN104961470 A CN 104961470A
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Abstract
The invention provides a manufacturing method of a composite oxide ceramic chopper. The method includes the steps of dissolving organic monomers, cross-linking agents and dispersing agents in distilled water to prepare premixed liquid, adding aluminum oxide ceramic powder, adding zirconium oxide balls to conduct ball milling, adding initiating agents and defoaming agents, conducting uniform ball milling to obtain sizing agents, pouring the sizing agents in a mold, covering the mold with a mold cover, standing still at the room temperature, polymerizing the organic monomers in the sizing agents to achieve the gelatinization process, taking the mixture out of the mold, and conducting drying and sintering in a vacuum oven, wherein steel needles with the diameter of 0.02 mm to 0.08 mm are arranged on the lower portion of the mold cover. The composite oxide ceramic chopper is manufactured through the gel casting process, the in-situ curing process of high-concentration suspensoid sol and the slip casting process of ceramic bodies are effectively combined, ceramic chopper green bodies which are high in density and strength and quite uniform in component and structure can be manufactured within a short time, the manufacturing method has the advantages of being simple in process, economical in cost, few in green body forming defect and the like, and the composite oxide ceramic chopper can be more easily produced in an industrialized mode.
Description
Technical field
The invention belongs to special cermacis field shaping technique, particularly a kind of manufacture method of compound oxidate ceramic chopper.
Background technology
Pottery chopper (Bonding capillary), it is the wire bonding tool of spherical wire bonding in microelectronics Packaging field, as a welding syringe needle of bonder, be applicable on the bonding packaging of the circuits such as silicon controlled rectifier, surface acoustic wave, LED, diode, triode, IC chip, by pad and pin by forming good electric interconnection through the gold thread of ceramic chopper, at present, domestic forming technique is still difficult to produce the ceramic chopper with small-bore and suitable taper.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of manufacture method of compound oxidate ceramic chopper, the taper that can obtain smaller aperture due and be applicable to.
To achieve these goals, the technical solution used in the present invention is:
A manufacture method for compound oxidate ceramic chopper, comprises the steps:
Step 1, is dissolved in organic monomer, linking agent and dispersion agent in distilled water and is mixed with premixed liquid, and adjust ph to 9.5 ~ 11;
Step 2, adds alumina-ceramic powder in described premixed liquid, then adds zirconium white ballstone ball milling 24 ~ 48h;
Step 3, and then add initiator and defrother, ball milling evenly obtains slurry;
Step 4, pours in mould by gained slurry, covers mold lid, left at room temperature, the organic monomer in slurry is polymerized, i.e. gelation process, and wherein the below of mold lid is with the draw point of diameter 0.02 ~ 0.08mm;
Step 5, deviates from mould, is dried to water content and is less than 0.05% in vacuum drying oven, sinters 2 ~ 5h in high temperature sintering furnace at 1650 DEG C.
Described organic monomer is acrylamide (AM), linking agent is N, N '-methylene-bisacrylamide (MBAM), dispersion agent is the several of one or any ratio mixing in anionic polyacrylamide (AMAP), trolamine (TEA) and poly(oxyethylene glycol) 400 (PEG-400), initiator is ammonium sulfate (APS), and defrother is n-Octanol.
The amount ranges of described organic monomer is 0.005 ~ 0.02g, the amount ranges of described linking agent is 0.001 ~ 0.003g, the amount ranges of described dispersion agent is 0.03 ~ 0.1g, the amount ranges of described distilled water is 5 ~ 20mL, the amount ranges of described alumina-ceramic powder is 3 ~ 10g, and the grating of described zirconium white ballstone is diameter 2 ~ 5mm, and plot ratio is 45% ~ 55%, the amount ranges of described initiator is 0.02 ~ 0.1g, and the amount ranges of described defrother is 0.04 ~ 0.1g.
Left at room temperature 5 ~ 15 minutes in described step 4.
In the present invention, alumina-ceramic powder is α-Al
2o
3special cermacis tailored flour, purity is 99.5%, and size of microcrystal is about 0.65-0.70 μm.
Compared with prior art, present invention employs gel injection molding and forming technology and prepare compound oxidate ceramic chopper, the method combines the in-situ solidifying technique of high-density suspended buoyancy aid colloidal sol and the slip-casting shaping process of ceramic body effectively, can prepare the very uniform ceramic chopper base substrate of high-density, high strength, composition and structure at short notice.Gel injection molding and forming technology is used in the preparation of NEW TYPE OF COMPOSITE oxide ceramics chopper, compared to additive method, has the advantages such as technique is simple, economical, blank forming defect are few, is easier to suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is the X-ray diffractogram of compound oxidate ceramic chopper prepared by the present invention.
Fig. 2 is compound oxidate ceramic chopper Flied emission shape appearance figure prepared by the present invention.
Embodiment
Embodiments of the present invention are described in detail below in conjunction with embodiment.
Embodiment 1
A manufacture method for compound oxidate ceramic chopper, comprises the steps:
Step 1, is dissolved in 0.05g acrylamide (AM), 0.01g N, N '-methylene-bisacrylamide (MBAM) and 0.03g dispersion agent in 16mL distilled water and is mixed with premixed liquid, and adjust ph to 9.5 ~ 11;
Step 2, adds 30g alumina-ceramic powder in described premixed liquid, 10g chromic oxide, 15g zirconium white, then adds zirconium white ballstone ball milling 24 ~ 48h;
Step 3, and then add 0.3g ammonium persulphate (APS) and 0.3g n-Octanol, ball milling evenly obtains slurry;
Step 4, gained slurry is poured in mould, cover mold lid, left at room temperature 5 ~ 15 minutes, the organic monomer in slurry is polymerized, i.e. gelation process, in the process, organic monomer and linking agent acting in conjunction form firm tridimensional network, make alumina particle by in-situ solidifying, until coagulation forming, wherein the below of mold lid is with the draw point of diameter 0.02 ~ 0.08mm;
Step 5, deviates from mould, is dried to water content and is less than 0.05% in vacuum drying oven, at 1650 DEG C, sinter 2 ~ 5h in high temperature sintering furnace, obtain compound oxidate ceramic chopper, its main component is aluminum oxide 82%, zirconium white 16%, chromic oxide 1% and other additives 1%.
As can be seen from Figure 1, prepared composite oxides chopper composition be zirconium doping and chromium doping, its each diffraction peak all with standard card Al
2zr
3(PDF No.48-1380) (Al
0.9cr
0.1)
2o
3(PDFNo.51-1349) all corresponding fine of base peak.As can be seen from Figure 2, prepared compound oxidate ceramic chopper uniform particles, compact structure is nano-scale particle.
Embodiment 2
A manufacture method for compound oxidate ceramic chopper, comprises the steps:
Step 1, is dissolved in 0.2g acrylamide (AM), 0.3g N, N '-methylene-bisacrylamide (MBAM) and 1g dispersion agent in 32mL distilled water and is mixed with premixed liquid, and adjust ph to 9.5 ~ 11;
Step 2, adds 45g alumina-ceramic powder in described premixed liquid, 13g chromic oxide, 20g zirconium white, then adds zirconium white ballstone ball milling 24 ~ 48h;
Step 3, and then add 3g ammonium persulphate (APS) and 3g n-Octanol, ball milling evenly obtains slurry;
Step 4, gained slurry is poured in mould, cover mold lid, left at room temperature 5 ~ 15 minutes, the organic monomer in slurry is polymerized, i.e. gelation process, in the process, organic monomer and linking agent acting in conjunction form firm tridimensional network, make alumina particle by in-situ solidifying, until coagulation forming, wherein the below of mold lid is with the draw point of diameter 0.02 ~ 0.08mm;
Step 5, deviates from mould, is dried to water content and is less than 0.05% in vacuum drying oven, at 1650 DEG C, sinter 2 ~ 5h in high temperature sintering furnace, obtain compound oxidate ceramic chopper, its main component is aluminum oxide 86%, zirconium white 12%, chromic oxide 1% and other additives 1%.
Embodiment 3
A manufacture method for compound oxidate ceramic chopper, comprises the steps:
Step 1, is dissolved in 0.01g acrylamide (AM), 0.002g N, N '-methylene-bisacrylamide (MBAM) and 0.006g dispersion agent in 23mL distilled water and is mixed with premixed liquid, and adjust ph to 9.5 ~ 11;
Step 2, adds 40g alumina-ceramic powder in described premixed liquid, 10g chromic oxide, 25g zirconium white, then adds zirconium white ballstone ball milling 24 ~ 48h;
Step 3, and then add 5g ammonium persulphate (APS) and 4g n-Octanol, ball milling evenly obtains slurry;
Step 4, gained slurry is poured in mould, cover mold lid, left at room temperature 5 ~ 15 minutes, the organic monomer in slurry is polymerized, i.e. gelation process, in the process, organic monomer and linking agent acting in conjunction form firm tridimensional network, make alumina particle by in-situ solidifying, until coagulation forming, wherein the below of mold lid is with the draw point of diameter 0.02 ~ 0.08mm;
Step 5, deviate from mould, in vacuum drying oven, be dried to water content be less than 0.05%, at 1650 DEG C, 2 ~ 5h is sintered in high temperature sintering furnace, obtain compound oxidate ceramic chopper, its main component is aluminum oxide 82%, zirconium white 12%, chromic oxide 3% and other additives 3%, other additives can be plastic particles and/or alpha-particle.
Claims (4)
1. a manufacture method for compound oxidate ceramic chopper, is characterized in that, comprises the steps:
Step 1, is dissolved in organic monomer, linking agent and dispersion agent in distilled water and is mixed with premixed liquid, and adjust ph to 9.5 ~ 11;
Step 2, adds alumina-ceramic powder in described premixed liquid, then adds zirconium white ballstone ball milling 24 ~ 48h;
Step 3, and then add initiator and defrother, ball milling evenly obtains slurry;
Step 4, pours in mould by gained slurry, covers mold lid, left at room temperature, the organic monomer in slurry is polymerized, i.e. gelation process, and wherein the below of mold lid is with the draw point of diameter 0.02 ~ 0.08mm;
Step 5, deviates from mould, is dried to water content and is less than 0.05% in vacuum drying oven, sinters 2 ~ 5h in high temperature sintering furnace at 1650 DEG C.
2. the manufacture method of compound oxidate ceramic chopper according to claim 1, it is characterized in that, described organic monomer is acrylamide (AM), linking agent is N, N '-methylene-bisacrylamide (MBAM), dispersion agent is the several of one or any ratio mixing in anionic polyacrylamide (AMAP), trolamine (TEA) and poly(oxyethylene glycol) 400 (PEG-400), initiator is ammonium sulfate (APS), and defrother is n-Octanol.
3. the manufacture method of compound oxidate ceramic chopper according to claim 1 or 2, it is characterized in that, the amount ranges of described organic monomer is 0.005 ~ 0.02g, the amount ranges of described linking agent is 0.001 ~ 0.003g, the amount ranges of described dispersion agent is 0.03 ~ 0.1g, the amount ranges of described distilled water is 5 ~ 20mL, the amount ranges of described alumina-ceramic powder is 3 ~ 10g, the grating of described zirconium white ballstone is diameter 2 ~ 5mm, plot ratio is 45% ~ 55%, the amount ranges of described initiator is 0.02 ~ 0.1g, the amount ranges of described defrother is 0.04 ~ 0.1g.
4. the manufacture method of compound oxidate ceramic chopper according to claim 1, is characterized in that, left at room temperature 5 ~ 15 minutes in described step 4.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534799A (en) * | 2018-12-24 | 2019-03-29 | 深圳市商德先进陶瓷股份有限公司 | Aluminium oxide ceramics and its preparation method and application |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874974A (en) * | 2009-11-27 | 2010-11-03 | 山东省环保陶瓷工程技术研究中心 | Spiral aluminum oxide ceramic nozzle for flue gas desulfurization slurry atomization and manufacturing method thereof |
| CN103419268A (en) * | 2013-06-28 | 2013-12-04 | 无锡特科精细陶瓷有限公司 | Water-based gel casting method for structural ceramics |
-
2015
- 2015-06-26 CN CN201510363972.1A patent/CN104961470B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874974A (en) * | 2009-11-27 | 2010-11-03 | 山东省环保陶瓷工程技术研究中心 | Spiral aluminum oxide ceramic nozzle for flue gas desulfurization slurry atomization and manufacturing method thereof |
| CN103419268A (en) * | 2013-06-28 | 2013-12-04 | 无锡特科精细陶瓷有限公司 | Water-based gel casting method for structural ceramics |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534799A (en) * | 2018-12-24 | 2019-03-29 | 深圳市商德先进陶瓷股份有限公司 | Aluminium oxide ceramics and its preparation method and application |
| CN109534799B (en) * | 2018-12-24 | 2021-08-27 | 深圳市商德先进陶瓷股份有限公司 | Alumina ceramic and preparation method and application thereof |
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| CN104961470B (en) | 2017-09-05 |
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