CN206089473U - Supplementary ceramic low temperature of electric field burns device soon - Google Patents
Supplementary ceramic low temperature of electric field burns device soon Download PDFInfo
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- CN206089473U CN206089473U CN201620991081.0U CN201620991081U CN206089473U CN 206089473 U CN206089473 U CN 206089473U CN 201620991081 U CN201620991081 U CN 201620991081U CN 206089473 U CN206089473 U CN 206089473U
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Abstract
The utility model discloses a supplementary ceramic low temperature of electric field burns device soon, including hot plate, DC power supply, infrared camera and data acquisition device, the hot plate is used for placing and heats the sample, and DC power supply's positive negative pole is connected respectively at the sample both ends, the hot plate corresponds the position and is provided with infrared camera, and infrared camera connects the data acquisition device, the utility model discloses a hot plate provides heat energy for the pottery, down supplementary at the direct current field, realization ceramic material's low temperature flash sintering, can realize the normal position through infrared camera and data acquisition device and survey change and the linear shrinkage who dodges each stage sample temperature of fever, reduce the requirement of energy consumption and equipment effectively.
Description
Technical field
The utility model is related to a kind of ceramic low-temp quick-combustion device, and in particular to a kind of electric field-assisted ceramic low-temp burns soon dress
Put.
Background technology
Ceramics have the performances such as superior mechanics, electricity, optics, acoustics, magnetics, attract tremendous attention in commercial Application, its
Use range also day by day expands；Sintering is an indispensable process of ceramic densifying, and this process needs to consume substantial amounts of
Energy, while series of environmental problems can be caused；In response to the call of energy saving and environmental protection, researcher continually develops
New sintering technology；Such as microwave sintering, HIP sintering, discharge plasma sintering etc.；These sintering methods are not only saved
The energy, also improves the performance of material, is that the extensive application of material is made that contribution；One is proposed by Rishi Raj within 2010
Plant new ceramic post sintering method-flash burning；Under electric field-assisted, ceramic material was capable of achieving to cause this sintering method within several seconds
Densification, the furnace temperature of sintering is significantly lower than other sintering methods；There is problems with existing flash burning device：One is firing equipment phase
To costly, being not easy to popularization；Two sintering are carried out in closed furnace body, are not easy to real-time monitored in situ；Three is existing
Some flash burning devices are relatively complicated, are not easy to operation；Four is that the rate of heat addition is relatively slow, is not easy to quick chemical industry life
Produce；Five be before flash burning device can only measure the temperature change of a point during flash burning, it is impossible to measure sample local or
Bulk temperature is distributed.
Utility model content
The utility model provides a kind of simple structure, convenient, fast, the electric field-assisted ceramic low-temp of observation convenient to carry out
Quick-combustion device.
The technical solution adopted in the utility model is：A kind of electric field-assisted ceramic low-temp quick-combustion device, including it is heating plate, straight
Stream power supply, infrared camera and data acquisition unit；The heating plate is used to place and heating sample, and sample two ends connect respectively directly
The both positive and negative polarity of stream power supply；Heating plate correspondence position is provided with infrared camera, infrared camera connection data acquisition unit.
Further, the heating plate is arranged on warm table.
Further, the heater plate surface is provided with one layer of 99 alumina wafer.
Further, the sample two ends connect respectively the both positive and negative polarity of dc source by high temperature alloy silk.
Further, the high temperature alloy silk be nichrome wire, memory alloy wire, lectrothermal alloy wire, platinumiridio silk,
One kind in tungsten rhenium alloy wire, Aludirome silk.
Further, it is connected with voltmeter between the dc source and data acquisition unit.
Further, it is connected with ammeter between the dc source and data acquisition unit.
Further, voltmeter is connected with by data line between the dc source and data acquisition unit；Directly
Ammeter is connected with by data line between stream power supply and data acquisition unit.
Further, the infrared camera data acquiring frequency is adjustable between 10-200 Hz.
The beneficial effects of the utility model are：
（1）The utility model provides heat energy by arranging heating plate for ceramic post sintering, realizes under the auxiliary of DC electric field
The low temperature Fast Sintering of ceramics；
（2）The utility model arranges infrared camera can be with the change of in-situ observation flash burning each stage specimen temperature and linear
Shrink；
（3）It is the utility model simple structure, easy to use, quick, the requirement of energy consumption and equipment is effectively reduced, can be used for
The continuous prodution of ceramics.
Description of the drawings
Fig. 1 is the utility model structural representation.
In figure：1- warm tables, 2- infrared cameras, 3- dc sources, 4- data acquisition units, 5- samples, 6- heating plates, 7-
High temperature alloy silk, 8- ammeters, 9- voltmeters, 10- data lines.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with specific embodiment.
As shown in figure 1, a kind of electric field-assisted ceramic low-temp quick-combustion device, including heating plate 6, dc source 3, infrared camera
2 and data acquisition unit 4；The heating plate 6 is used to place and heating sample 5, and the two ends of sample 5 connect respectively dc source 3
Both positive and negative polarity；The correspondence position of heating plate 6 is provided with infrared camera 2, the connection data acquisition unit 4 of infrared camera 2.
When using, provide temperature required for the sintering of sample 5 by heating plate 6, and direct current is formed by external dc power supply 3
Field excitation rapid mass transfer, realizes the low temperature quick densifying of ceramic material, and can be burnt by the observation of the real-time in-situ of infrared camera 2
Tie each temperature of stage sample 5 and linear contraction；The voltage of dc source 3 in 0-1000V continuously adjustabes, the degree of accuracy for ±
0.5%；The electric current of dc source 3 continuously adjustabe between 0-30V, the degree of accuracy is ± 0.5%, when disclosure satisfy that lot of materials flash burning
Requirement to voltage and current；Heating plate 6 can provide sufficiently high temperature for ceramic post sintering, reduce and high-temperature service is wanted
Ask；The temperature of heating plate 6 is in room temperature to 500oContinuously adjustabe between C, heating rate is fast, can complete within ten minutes from room temperature to
500oThe intensification of C；Infrared camera 2 can simultaneously realize temperature survey and the measurement of ceramic body size；Temperature measurement range from
40oC-2500oC, the thermometric degree of accuracy is ± 1oC；Dimensional measurement ranges 0-500mm, the degree of accuracy of dimensional measurement ±
1mm；Data acquisition unit 4 can in real time be shown to the temperature of sample 5 and size, and for sintering process facility is provided；By
The snapshots of infrared camera 2 and the display of data acquisition unit 4, can be with the linear contraction of real-time monitored sample 5.
Further, the heating plate 6 is arranged on warm table 1；Heating plate 6 is heated up by warm table 1.
Further, the surface of the heating plate 6 is provided with one layer of 99 alumina wafer.
Further, the two ends of the sample 5 connect respectively the both positive and negative polarity of dc source 3 by high temperature alloy silk 7.
Further, the high temperature alloy silk 7 is nichrome wire, memory alloy wire, lectrothermal alloy wire, platinumiridio
One kind in silk, tungsten rhenium alloy wire, Aludirome silk.
Further, voltmeter 9 is connected between the dc source 3 and data acquisition unit 4；Connection voltmeter 9 can
To realize the real-time display to voltage, for sintering process control facility is provided.
Further, ammeter 8 is connected between the dc source 3 and data acquisition unit 4；Connection ammeter 8 can
To realize the real-time display to electric current, for sintering process control facility is provided.
Further, voltmeter is connected with by data line 10 between the dc source 3 and data acquisition unit 4
9；Ammeter 8 is connected with by data line 10 between dc source 3 and data acquisition unit 4.
Further, the data acquiring frequency of the infrared camera 2 is adjustable between 10-200 Hz.
Embodiment 1
La is sintered using the utility model device0.6Sr0.4Co0.2Fe0.8O3Ceramic comprises the following steps that：
1）The two ends of band sample 5 are connected to into the both positive and negative polarity of dc source 3 by high temperature alloy silk 7, subsequently by sample 5
Lie on 99 alumina wafers on the surface of heating plate 6；
2）Warm table 1 is set in into 300oC, starts to warm up, and after reaching design temperature, is incubated 30min, makes the temperature of sample 5
Degree and the surface temperature of warm table 1 reach balance；
3）When warm table 1 is incubated, voltage is set to into 30V, electric current is set to 7.2A；
4）Connection infrared camera 2, voltmeter 9, ammeter 8 and data acquisition unit 4, Real-time Collection temperature, linear shrinkage, electricity
Pressure and current data；
5）After insulation 30min, dc source 3 is connected, after flash burning occurs in sample 5,60s is incubated in this case, subsequently
Dc source 3, warm table 1 are closed, sintering terminates.
Embodiment 2
La is sintered using the utility model device0.6Sr0.4Co0.2Fe0.8O3Ceramic comprises the following steps that：
1）The two ends of band sample 5 are connected to into the both positive and negative polarity of dc source 3 by high temperature alloy silk 7, subsequently by sample 5
Lie on 99 alumina wafers on the surface of heating plate 6；
2）Warm table 1 is set in into 200oC, starts to warm up, and after reaching design temperature, is incubated 30min, makes the temperature of sample 5
Degree and the surface temperature of warm table 1 reach balance；
3）When warm table 1 is incubated, voltage is set to into 60V, electric current is set to 7.2A；
4）Connection infrared camera 2, voltmeter 9, ammeter 8 and data acquisition unit 4, Real-time Collection temperature, linear shrinkage, electricity
Pressure and current data；
5）After insulation 30min, dc source 3 is connected, after flash burning occurs in sample 5,60s is incubated in this case, subsequently
Dc source 3, warm table 1 are closed, sintering terminates.
Embodiment 3
Co is sintered using the utility model device2MnO4Ceramic comprises the following steps that：
1）The two ends of band sample 5 are connected to into the both positive and negative polarity of dc source 3 by high temperature alloy silk 7, subsequently by sample 5
Lie on 99 alumina wafers on the surface of heating plate 6；
2）Warm table 1 is set in into 300oC, starts to warm up, and after reaching design temperature, is incubated 30min, makes the temperature of sample 5
Degree and the surface temperature of warm table 1 reach balance；
3）When warm table 1 is incubated, voltage is set to into 50V, electric current is set to 10A；
4）Connection infrared camera 2, voltmeter 9, ammeter 8 and data acquisition unit 4, Real-time Collection temperature, linear shrinkage, electricity
Pressure and current data；
5）After insulation 30min, dc source 3 is connected, after flash burning occurs in sample 5,60s is incubated in this case, subsequently
Dc source 3, warm table 1 are closed, sintering terminates.
Embodiment 4
La is sintered using the utility model device0.6Sr0.4Co0.2Fe0.8O3Ceramic comprises the following steps that：
1）The two ends of band sample 5 are connected to into the both positive and negative polarity of dc source 3 by high temperature alloy silk 7, subsequently by sample 5
Lie on 99 alumina wafers on the surface of heating plate 6；
2）Warm table 1 is set in into 200oC, starts to warm up, and after reaching design temperature, is incubated 30min, makes the temperature of sample 5
Degree and the surface temperature of warm table 1 reach balance；
3）When warm table 1 is incubated, voltage is set to into 100V, electric current is set to 10A；
4）Connection infrared camera 2, voltmeter 9, ammeter 8 and data acquisition unit 4, Real-time Collection temperature, linear shrinkage, electricity
Pressure and current data；
5）After insulation 30min, dc source 3 is connected, after flash burning occurs in sample 5,60s is incubated in this case, subsequently
Dc source 3, warm table 1 are closed, sintering terminates.
The utility model provides heat energy by heating plate 6 for ceramics, under the auxiliary of DC electric field, realizes ceramic material
Low temperature Fast Sintering；Can realize that in-situ observation flash burning each stage sample 5 is warm by infrared camera 2 and data acquisition unit 4
The change and linear contraction of degree, significantly reduces the requirement of energy consumption and equipment, can be used for the continuous prodution of ceramics.
Claims (9)
1. a kind of electric field-assisted ceramic low-temp quick-combustion device, it is characterised in that：Including heating plate (6), dc source (3), infrared
Camera (2) and data acquisition unit (4)；For placing and heating sample (5), sample (5) two ends connect respectively the heating plate (6)
Connect the both positive and negative polarity of dc source (3)；Heating plate (6) correspondence position is provided with infrared camera (2), infrared camera (2) connection data
Harvester (4).
2. a kind of electric field-assisted ceramic low-temp quick-combustion device according to claim 1, it is characterised in that：The heating plate
(6) it is arranged on warm table (1).
3. a kind of electric field-assisted ceramic low-temp quick-combustion device according to claim 1, it is characterised in that：The heating plate
(6) surface is provided with one layer of 99 alumina wafer.
4. a kind of electric field-assisted ceramic low-temp quick-combustion device according to claim 1, it is characterised in that：The sample (5)
Two ends connect respectively the both positive and negative polarity of dc source (3) by high temperature alloy silk (7).
5. a kind of electric field-assisted ceramic low-temp quick-combustion device according to claim 4, it is characterised in that：The high temperature alloy
Silk (7) is nichrome wire, in memory alloy wire, lectrothermal alloy wire, platinumiridio silk, tungsten rhenium alloy wire, Aludirome silk
One kind.
6. a kind of electric field-assisted ceramic low-temp quick-combustion device according to claim 1, it is characterised in that：The dc source
(3) voltmeter (9) is connected with and data acquisition unit (4) between.
7. a kind of electric field-assisted ceramic low-temp quick-combustion device according to claim 1, it is characterised in that：The dc source
(3) ammeter (8) is connected with and data acquisition unit (4) between.
8. a kind of electric field-assisted ceramic low-temp quick-combustion device according to claim 6 or 7, it is characterised in that：The direct current
Voltmeter (9) is connected with by data line (10) between power supply (3) and data acquisition unit (4)；Dc source (3) sum
Ammeter (8) is connected with by data line (10) according between harvester (4).
9. a kind of electric field-assisted ceramic low-temp quick-combustion device according to claim 1, it is characterised in that：The infrared camera
(2) data acquiring frequency is adjustable between 10-200Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620991081.0U CN206089473U (en) | 2016-08-30 | 2016-08-30 | Supplementary ceramic low temperature of electric field burns device soon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620991081.0U CN206089473U (en) | 2016-08-30 | 2016-08-30 | Supplementary ceramic low temperature of electric field burns device soon |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116559A (en) * | 2016-08-30 | 2016-11-16 | 西南交通大学 | A kind of electric field-assisted ceramic low-temp quick-combustion device |
| CN108383522A (en) * | 2018-03-29 | 2018-08-10 | 长安大学 | A kind of low temperature Fast Sintering prepares the method and piezoelectric ceramics of PZT piezoelectric ceramics |
| CN110204332A (en) * | 2019-06-12 | 2019-09-06 | 北京理工大学 | A kind of method of low-temperature fast-curing nucleic under electric field-assisted |
| WO2023010769A1 (en) * | 2021-08-05 | 2023-02-09 | 成都凯天电子股份有限公司 | Sintering device for use in preparation of low-temperature sintered piezoelectric ceramics |
-
2016
- 2016-08-30 CN CN201620991081.0U patent/CN206089473U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116559A (en) * | 2016-08-30 | 2016-11-16 | 西南交通大学 | A kind of electric field-assisted ceramic low-temp quick-combustion device |
| CN106116559B (en) * | 2016-08-30 | 2018-12-25 | 西南交通大学 | A kind of electric field-assisted ceramic low-temp quick-combustion device |
| CN108383522A (en) * | 2018-03-29 | 2018-08-10 | 长安大学 | A kind of low temperature Fast Sintering prepares the method and piezoelectric ceramics of PZT piezoelectric ceramics |
| CN110204332A (en) * | 2019-06-12 | 2019-09-06 | 北京理工大学 | A kind of method of low-temperature fast-curing nucleic under electric field-assisted |
| WO2023010769A1 (en) * | 2021-08-05 | 2023-02-09 | 成都凯天电子股份有限公司 | Sintering device for use in preparation of low-temperature sintered piezoelectric ceramics |
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