CN105330339A - Magnetic conductive film for low-thermal-expansion ceramics - Google Patents
Magnetic conductive film for low-thermal-expansion ceramics Download PDFInfo
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- CN105330339A CN105330339A CN201510807255.3A CN201510807255A CN105330339A CN 105330339 A CN105330339 A CN 105330339A CN 201510807255 A CN201510807255 A CN 201510807255A CN 105330339 A CN105330339 A CN 105330339A
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- conductive film
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Abstract
The invention relates to a magnetic conductive film for low-thermal-expansion ceramics. The magnetic conductive film is characterized by comprising components including silver powder, soft magnet powder, an inorganic adhesive and a low-temperature protective layer, wherein the silver powder and the soft magnet powder have magnetic conductive and heat conductive functions; the inorganic adhesive has thermal expansion coefficient reduction and adhesion functions; the low-temperature protective layer has a magnetic conductive film protection function. The magnetic conductive film has the advantages of high electric-thermal conversion speed, high thermal conduction efficiency, long service life and the like when applied to the low-thermal-expansion ceramics.
Description
Technical field
The present invention relates to a kind of magnetic conductive film, particularly a kind of low expansion ceramic magnetic conductive film.
Background technology
Electromagnetic oven has easy to use, do not occur that the advantages such as naked light make it apply in daily life extremely extensive, electromagnetic oven is the principle that have employed vortex induction heating to heating objects, the carrier media that electromagnetic oven uses is the metallic substance that can produce eddy current under electromagnetic induction, because ceramic product belongs to non-metallic material, eddy current can not be produced under electromagnetic induction, limit the application of ceramic product on electromagnetic oven, ceramic product in order to apply on electromagnetic oven, just must apply one deck electromagnetic induction film at ceramic surface, electromagnetic membrane produces eddy-current heating under electromagnetic induction, and then heat passed to pottery thus to heating objects.There is the too fast shortcoming of decay in magnetic conductive film in the market, general work-ing life less than 1000 hours, to be difficult to accept by human consumer.It is fast that this invention compared with the existing technology has electric heating switching speed, and heat conduction efficiency is high, and work-ing life can reach more than 3000 hours.
Summary of the invention
In order to improve the work-ing life of magnetic conductive film, the present invention proposes a kind of low expansion ceramic magnetic conductive film.
This low expansion ceramic magnetic conductive film, is characterized in that, composition comprises silver powder 73%, soft magnetic ferrite: 9%, inorganic adhesive: 18%, wherein inorganic adhesive composition: boric acid 30%, quartz 31%, triphane 18%, zirconium silicate 13%, zinc oxide 3%, talcum 5%.
Above-mentioned magnetic conductive film being printed as together with low-temperature protection layer water transfer marble paper is attached to bottom low expansion ceramic product, then at 800-850 DEG C of insulation 15 minutes naturally cooling.
Beneficial effect of the present invention is that the sample obtained can be used in more than 3000 hours under normal power.
Embodiment
Explanation the present invention is explained below in conjunction with embodiment:
Embodiment 1: magnetic conduction rete composition: silver powder 73%, soft magnetic ferrite: 9%, inorganic adhesive: 18%, wherein inorganic adhesive composition: boric acid 30%, quartz 31%, triphane 18%, zirconium silicate 13%, zinc oxide 3%, talcum 5%.Above-mentioned magnetic conductive film being printed as together with low-temperature protection layer water transfer marble paper is attached to bottom low expansion ceramic product, and then at 830 DEG C of insulations, 15 minutes naturally cooling, the sample obtained can be used in more than 3000 hours under normal power.
Claims (5)
1. a low expansion ceramic magnetic conductive film, is characterized in that, composition comprises silver powder, soft magnetic bodies powder, inorganic adhesive, low-temperature protection layer.
2. a kind of low expansion ceramic magnetic conductive film according to claim 1, is characterized in that, containing silver slurry: 60-85%, soft magnetic bodies powder: 1-15%, inorganic adhesive: 5-20%.
3. a kind of low expansion ceramic magnetic conductive film according to claim 1, is characterized in that, wherein the composition of inorganic adhesive is: boric acid 5-36%, quartzy 30-60%, triphane 10-20%, zirconium silicate 5-15%, zinc oxide 1-3%, talcum, 3-10%.
4. a kind of low expansion ceramic magnetic conductive film according to claim 1, is characterized in that, magnetic conductive film and low expansion ceramic combination adopt silk-screen to apply or are printed as water and shift marble paper and adopt applique process.
5. a kind of low expansion ceramic magnetic conductive film according to claim 1, it is characterized in that, its sintering temperature is at 800-850 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510807255.3A CN105330339A (en) | 2015-11-22 | 2015-11-22 | Magnetic conductive film for low-thermal-expansion ceramics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510807255.3A CN105330339A (en) | 2015-11-22 | 2015-11-22 | Magnetic conductive film for low-thermal-expansion ceramics |
Publications (1)
| Publication Number | Publication Date |
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| CN105330339A true CN105330339A (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510807255.3A Pending CN105330339A (en) | 2015-11-22 | 2015-11-22 | Magnetic conductive film for low-thermal-expansion ceramics |
Country Status (1)
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| CN (1) | CN105330339A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364245A (en) * | 2016-08-15 | 2017-02-01 | 德化县新佳兴印刷有限公司 | Antibacterial silver-surface stained paper and preparation method thereof, and ceramic product with antibacterial silver-surface stained paper |
| CN109624039A (en) * | 2018-12-31 | 2019-04-16 | 湖南嘉盛电陶新材料股份有限公司 | A kind of ceramic pot and preparation method thereof for electromagnetic oven |
| CN109727767A (en) * | 2018-12-31 | 2019-05-07 | 湖南嘉盛电陶新材料股份有限公司 | A kind of ceramic liner and preparation method thereof for electric cooker |
| CN110856298A (en) * | 2019-11-22 | 2020-02-28 | 湖南嘉业达电子有限公司 | Electromagnetic induction heating film capable of controlling temperature automatically and preparation method thereof |
| CN110954759A (en) * | 2018-09-27 | 2020-04-03 | 湖南嘉业达电子有限公司 | Method and device for evaluating piezoelectric phase change point in production process |
-
2015
- 2015-11-22 CN CN201510807255.3A patent/CN105330339A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364245A (en) * | 2016-08-15 | 2017-02-01 | 德化县新佳兴印刷有限公司 | Antibacterial silver-surface stained paper and preparation method thereof, and ceramic product with antibacterial silver-surface stained paper |
| CN110954759A (en) * | 2018-09-27 | 2020-04-03 | 湖南嘉业达电子有限公司 | Method and device for evaluating piezoelectric phase change point in production process |
| CN110954759B (en) * | 2018-09-27 | 2022-08-02 | 湖南嘉业达电子有限公司 | Evaluation device for piezoelectric phase change point in production process |
| CN109624039A (en) * | 2018-12-31 | 2019-04-16 | 湖南嘉盛电陶新材料股份有限公司 | A kind of ceramic pot and preparation method thereof for electromagnetic oven |
| CN109727767A (en) * | 2018-12-31 | 2019-05-07 | 湖南嘉盛电陶新材料股份有限公司 | A kind of ceramic liner and preparation method thereof for electric cooker |
| CN110856298A (en) * | 2019-11-22 | 2020-02-28 | 湖南嘉业达电子有限公司 | Electromagnetic induction heating film capable of controlling temperature automatically and preparation method thereof |
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Legal Events
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| C06 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160217 |