CN206089473U - Supplementary ceramic low temperature of electric field burns device soon - Google Patents

Supplementary ceramic low temperature of electric field burns device soon Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
electric field
infrared camera
sample
data acquisition
source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620991081.0U
Other languages
Chinese (zh)
Inventor
刘金铃
王光
王一光
刘佃光
高燕
安立楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
Original Assignee
Southwest Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southwest Jiaotong University filed Critical Southwest Jiaotong University
Priority to CN201620991081.0U priority Critical patent/CN206089473U/en
Application granted granted Critical
Publication of CN206089473U publication Critical patent/CN206089473U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sampling And Sample Adjustment (AREA)

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

A kind of electric field-assisted ceramic low-temp quick-combustion device
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.
CN201620991081.0U 2016-08-30 2016-08-30 Supplementary ceramic low temperature of electric field burns device soon Active CN206089473U (en)

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

Applications Claiming Priority (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

Publications (1)

Publication Number Publication Date
CN206089473U true CN206089473U (en) 2017-04-12

Family

ID=58477943

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620991081.0U Active CN206089473U (en) 2016-08-30 2016-08-30 Supplementary ceramic low temperature of electric field burns device soon

Country Status (1)

Country Link
CN (1) CN206089473U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN106116559B (en) A kind of electric field-assisted ceramic low-temp quick-combustion device
CN206089473U (en) Supplementary ceramic low temperature of electric field burns device soon
CN106630974A (en) Flash sintering method of low-temperature flash sintering ceramic and obtained ceramic and device thereof
Alston et al. A 1000-cell SOFC reactor for domestic cogeneration
CN111981847A (en) Pressure-assisted induction heating vacuum atmosphere flash sintering device
CN110577399B (en) Multi-field coupling flash sintering system based on induction heating
CN112390629B (en) Device and method for rapidly sintering ceramic
CN109357528A (en) A kind of ceramic material sintering furnace and its control method using electric field-assisted
CN110606751B (en) Method for graphene-assisted room-temperature flash firing of ceramic material
CN110425877A (en) Ceramic post sintering device and ceramic post sintering method
CN108534553A (en) The device and method of block body ceramic material is quickly prepared using high-frequency induction heating
CN105645987A (en) Method for electric-field-assisted low-temperature fast sintering of porous ceramics
Su et al. Flash sintering of lead zirconate titanate ceramics under an alternating current electrical field
CN111056846B (en) Directional porous aluminum nitride honeycomb ceramic rapidly prepared by adopting freeze drying and combustion synthesis method and method thereof
CN105906347A (en) Method for preparing nanocrystal aluminum nitride ceramics
CN210427243U (en) Ultrahigh-temperature mechanical testing device for efficient non-magnetic ceramic
CN110108770B (en) High-flux electric card test system based on space thermal imaging technology
CN109373761B (en) Multi-field coupling material processing system
CN208567495U (en) A kind of high-temperature vacuum silicon carbide sintering furnace
CN110514005A (en) A kind of cvd furnace of Hybrid Heating
CN209181522U (en) A kind of multi- scenarios method material handling system
CN111607712A (en) High-throughput block alloy preparation device, method and application
CN109456055A (en) A kind of high breakdown high polarization bismuth-sodium titanate ceramic material, preparation method and application
CN104197714B (en) There is the piezoelectric ceramics sintering furnace of function of polarization and the method for sintering polarization thereof
CN105806889B (en) A kind of thermal insulation material test device of thermal conductivity coefficient

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant