CN105399454A - Preparation process suitable for micro-wave oven magnetron ceramic metallization - Google Patents
Preparation process suitable for micro-wave oven magnetron ceramic metallization Download PDFInfo
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- CN105399454A CN105399454A CN201510839011.3A CN201510839011A CN105399454A CN 105399454 A CN105399454 A CN 105399454A CN 201510839011 A CN201510839011 A CN 201510839011A CN 105399454 A CN105399454 A CN 105399454A
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Abstract
The invention discloses a preparation process suitable for micro-wave oven magnetron ceramic metallization. The preparation process particularly comprises the following steps: powder pelletization, dry pressing for forming, silk screen printing through a metallization paste, co-firing of a metallization layer and ceramic, and nick plating. According to the preparation process suitable for micro-wave oven magnetron ceramic metallization, a non-aqueous solvent and an adhesive miscible therewith are used for blending a slurry for pelletization, metallization is directly performed on the surface of a formed ceramic green body in a silk screen printing manner, the ceramic green body and the metallization layer are fired at one time through high temperature in the hydrogen protective atmosphere, and then nick plating is carried out, so that purposes of energy conservation and cost reduction are realized, and meanwhile, the bonding strength and the airtightness of the metallization layer and the ceramic are ensured.
Description
Technical field
The present invention relates to the field of ceramic component, particularly relate to a kind of preparation technology being suitable for microwave oven magnetic ceramic metallization, be applicable to dry-pressing or isostatic pressing ceramic high temperature burns metallized product altogether.
Background technology
Traditional ceramic metallization method is: first alumina powder jointed and sintering aid are added the binding agents such as water, paraffin or polyvinyl alcohol; powder is a granulated into after furnishing slurry; shaping by the mode of dry-pressing again; ceramic green embryo sinters pottery into through 1600-1650 DEG C; after ceramic cleaning is dried, carry out the silk screen printing of metallizing paste, metal layer is again through the hydrogen shield atmosphere sintering of 1400-1500 DEG C; after metallization sinters, then carry out nickel plating.This technique above-mentioned needs the high temperature sintering through twice, larger to the waste of the energy, adds production cost.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of preparation technology being suitable for microwave oven magnetic ceramic metallization; employing non-aqueous solvent and the binding agent mixed with it carry out granulation to modulate slurry; ceramic green embryo surface after shaping is directly metallized by screen printing mode; ceramic green embryo and metal layer pass through high temperature once-firing in hydrogen shield atmosphere furnace; and then carry out nickel plating; to reach the object of energy saving and cost lowering, also assures that bonding strength and the resistance to air loss of metal layer and pottery simultaneously.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of preparation technology being suitable for microwave oven magnetic ceramic metallization, comprise following concrete steps:
A, powder granulation, employing non-aqueous solvent and the binding agent mixed with it carry out granulation to modulate slurry, alumina powder jointed and sintering aid are joined in ball milling bucket, add non-aqueous solvent and binding agent, by ball milling bucket closed ball milling after 20 hours, joined by the slurry that ball milling is good in airtight agitation vat, the atomizer tablets press then adopting fully-closed to be specifically designed to spirit solvent granulation carries out powder drying, and the deironing of sieving of dried powder is for subsequent use;
B, dry-pressing formed, the powder after granulation is good is molded into ceramic green embryo by the mode of dry-pressing;
C, metallizing paste silk screen printing, ceramic green embryo surface after shaping directly forms metal layer by metallizing paste screen printing mode;
D, metal layer and pottery burn till jointly, after printing, ceramic green blank are put in hydrogen shield atmosphere furnace and carry out high temperature sintering, form metallized ceramic part;
E, nickel plating, carry out nickel plating again by the metallized ceramic part after sintering.
In a preferred embodiment of the present invention, described solvent adopts alcohol, and binding agent adopts PVB.
In a preferred embodiment of the present invention, described ceramic green embryo is magnetron ceramic green embryo.
In a preferred embodiment of the present invention, described metal layer is molybdenum manganese metal layer or ferrotungsten metal layer.
In a preferred embodiment of the present invention, temperature during described high temperature sintering is 1500-1600 DEG C.
The invention has the beneficial effects as follows: the preparation technology being suitable for microwave oven magnetic ceramic metallization of the present invention; employing non-aqueous solvent and the binding agent mixed with it carry out granulation to modulate slurry; ceramic green embryo surface after shaping is directly metallized by screen printing mode; ceramic green embryo and metal layer pass through high temperature once-firing in hydrogen shield atmosphere furnace; and then carry out nickel plating; to reach the object of energy saving and cost lowering, also assures that bonding strength and the resistance to air loss of metal layer and pottery simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the schema that the present invention is suitable for a preferred embodiment of the preparation technology of microwave oven magnetic ceramic metallization.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the embodiment of the present invention comprises:
Be suitable for a preparation technology for microwave oven magnetic ceramic metallization, comprise following concrete steps:
A, powder granulation, employing non-aqueous solvent and the binding agent mixed with it carry out granulation to modulate slurry, alumina powder jointed and sintering aid are joined in ball milling bucket, add non-aqueous solvent and binding agent, by ball milling bucket closed ball milling after 20 hours, joined by the slurry that ball milling is good in airtight agitation vat, the atomizer tablets press then adopting fully-closed to be specifically designed to spirit solvent granulation carries out powder drying, and the deironing of sieving of dried powder is for subsequent use;
B, dry-pressing formed, the powder after granulation is good is molded into ceramic green embryo by the mode of dry-pressing;
C, metallizing paste silk screen printing, ceramic green embryo surface after shaping directly forms metal layer by metallizing paste screen printing mode;
D, metal layer and pottery burn till jointly, after printing, ceramic green blank are put in the hydrogen shield atmosphere furnace of 1500-1600 DEG C and carry out high temperature sintering, form metallized ceramic part;
E, nickel plating, carry out nickel plating again by the metallized ceramic part after sintering.
In above-mentioned, described solvent adopts alcohol, and binding agent adopts PVB.Alumina powder jointed and sintering aid are joined in ball milling bucket; add solvent alcohol, binding agent PVB etc.; by ball milling bucket closed ball milling after 20 hours; the slurry that ball milling is good is joined in airtight agitation vat; then the atomizer tablets press adopting fully-closed to be specifically designed to spirit solvent granulation carries out powder drying, and the deironing of sieving of dried powder is for subsequent use.
Further, described screen printing mode adopts the silk screen printing of metallizing paste.Wherein, described metal layer is molybdenum manganese metal layer or ferrotungsten metal layer.
In the present embodiment, in hydrogen shield atmosphere furnace, ceramic green embryo and metallization sintering will once complete, the bad phenomenon such as metal layer be avoided to occur peeling, break, and also will ensure bonding strength and the resistance to air loss of metal layer and pottery simultaneously.Wherein, described ceramic green embryo is magnetron ceramic green embryo.
In sum; the preparation technology being suitable for microwave oven magnetic ceramic metallization of the present invention; employing non-aqueous solvent and the binding agent mixed with it carry out granulation to modulate slurry; ceramic green embryo surface after shaping is directly metallized by screen printing mode; ceramic green embryo and metal layer pass through high temperature once-firing in hydrogen shield atmosphere furnace; and then carry out nickel plating, to reach the object of energy saving and cost lowering, also assures that bonding strength and the resistance to air loss of metal layer and pottery simultaneously.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. be suitable for a preparation technology for microwave oven magnetic ceramic metallization, it is characterized in that, comprise following concrete steps:
A, powder granulation, employing non-aqueous solvent and the binding agent mixed with it carry out granulation to modulate slurry, alumina powder jointed and sintering aid are joined in ball milling bucket, add non-aqueous solvent and binding agent, by ball milling bucket closed ball milling after 20 hours, joined by the slurry that ball milling is good in airtight agitation vat, the atomizer tablets press then adopting fully-closed to be specifically designed to spirit solvent granulation carries out powder drying, and the deironing of sieving of dried powder is for subsequent use;
B, dry-pressing formed, the powder after granulation is good is molded into ceramic green embryo by the mode of dry-pressing;
C, metallizing paste silk screen printing, ceramic green embryo surface after shaping directly forms metal layer by metallizing paste screen printing mode;
D, metal layer and pottery burn till jointly, after printing, ceramic green blank are put in hydrogen shield atmosphere furnace and carry out high temperature sintering, form metallized ceramic part;
E, nickel plating, carry out nickel plating again by the metallized ceramic part after sintering.
2. the preparation technology being suitable for microwave oven magnetic ceramic metallization according to claim 1, is characterized in that, described solvent adopts alcohol, and binding agent adopts PVB.
3. the preparation technology being suitable for microwave oven magnetic ceramic metallization according to claim 1, is characterized in that, described ceramic green embryo is magnetron ceramic green embryo.
4. the preparation technology being suitable for microwave oven magnetic ceramic metallization according to claim 1, is characterized in that, described metal layer is molybdenum manganese metal layer or ferrotungsten metal layer.
5. the preparation technology being suitable for microwave oven magnetic ceramic metallization according to claim 1, is characterized in that, temperature during described high temperature sintering is 1500-1600 DEG C.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109055891A (en) * | 2018-08-15 | 2018-12-21 | 娄底市安地亚斯电子陶瓷有限公司 | A kind of preparation method of power battery ceramic connector metalization layer |
| CN111302834A (en) * | 2020-04-15 | 2020-06-19 | 湖南省美程陶瓷科技有限公司 | Microwave magnetron insulating ceramic ring |
| CN111634108A (en) * | 2020-04-25 | 2020-09-08 | 湖南省美程陶瓷科技有限公司 | Magnetron ceramic metallization coating system and device |
| CN114230315A (en) * | 2021-12-14 | 2022-03-25 | 常熟市银洋陶瓷器件有限公司 | Magnetron ceramic part forming process and printing equipment |
| CN116514568A (en) * | 2023-04-03 | 2023-08-01 | 湖南人文科技学院 | Ceramic-metal integrated package and packaging method |
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| CN1724456A (en) * | 2005-06-13 | 2006-01-25 | 王伟 | Metallized ceramic for microwave megnetron and it production method |
| CN102424568A (en) * | 2011-09-02 | 2012-04-25 | 厦门大学 | Method for preparing tungsten-containing alumina ceramic heating substrate |
| CN104319469A (en) * | 2014-10-16 | 2015-01-28 | 云南云天化股份有限公司 | Preparation method for micro-strip ceramic antenna |
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| CN1724456A (en) * | 2005-06-13 | 2006-01-25 | 王伟 | Metallized ceramic for microwave megnetron and it production method |
| CN102424568A (en) * | 2011-09-02 | 2012-04-25 | 厦门大学 | Method for preparing tungsten-containing alumina ceramic heating substrate |
| CN104319469A (en) * | 2014-10-16 | 2015-01-28 | 云南云天化股份有限公司 | Preparation method for micro-strip ceramic antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109055891A (en) * | 2018-08-15 | 2018-12-21 | 娄底市安地亚斯电子陶瓷有限公司 | A kind of preparation method of power battery ceramic connector metalization layer |
| CN111302834A (en) * | 2020-04-15 | 2020-06-19 | 湖南省美程陶瓷科技有限公司 | Microwave magnetron insulating ceramic ring |
| CN111634108A (en) * | 2020-04-25 | 2020-09-08 | 湖南省美程陶瓷科技有限公司 | Magnetron ceramic metallization coating system and device |
| CN114230315A (en) * | 2021-12-14 | 2022-03-25 | 常熟市银洋陶瓷器件有限公司 | Magnetron ceramic part forming process and printing equipment |
| CN114230315B (en) * | 2021-12-14 | 2022-09-13 | 常熟市银洋陶瓷器件有限公司 | Magnetron ceramic part forming process and printing equipment |
| CN116514568A (en) * | 2023-04-03 | 2023-08-01 | 湖南人文科技学院 | Ceramic-metal integrated package and packaging method |
| CN116514568B (en) * | 2023-04-03 | 2024-04-16 | 湖南人文科技学院 | Ceramic-metal integrated package and packaging method |
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