CN108692564A - A kind of pulse-pressure sintering furnace - Google Patents
A kind of pulse-pressure sintering furnace Download PDFInfo
- Publication number
- CN108692564A CN108692564A CN201810780791.2A CN201810780791A CN108692564A CN 108692564 A CN108692564 A CN 108692564A CN 201810780791 A CN201810780791 A CN 201810780791A CN 108692564 A CN108692564 A CN 108692564A
- Authority
- CN
- China
- Prior art keywords
- pulse
- sintering
- pressure
- sintering furnace
- servo
- 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.)
- Pending
Links
- 238000005245 sintering Methods 0.000 title claims abstract description 92
- 230000035485 pulse pressure Effects 0.000 title claims abstract description 25
- 230000002463 transducing effect Effects 0.000 claims abstract description 10
- 238000004826 seaming Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 17
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 7
- 230000008602 contraction Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012761 high-performance material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000009770 conventional sintering Methods 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/18—Arrangement of controlling, monitoring, alarm or like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/066—Vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
Abstract
The invention discloses a kind of pulse-pressure sintering furnaces,Including sintering furnace and pulse-pressure device,Pulse-pressure device includes impulse generator,Pulse converter,Servo valve,Servo-cylinder,Force snesor,Transducing signal transmitter,Impulse generator connects pulse converter,Servo-cylinder opening connects servo valve,Force snesor connects transducing signal transmitter,Pulse converter,Servo valve is connected by sintering controller with transducing signal transmitter,Sintering furnace includes furnace body,Furnace body is cylinder type,Centre position is equipped with mold in furnace body,Mould inside is sintering zone,The advantage of the invention is that the present invention carries out plasma pulse electric current sintering due to treating agglomerated material using impulse current generator,And upper and lower pressure bar is set to liquidate pressurization using servo valve control servo-cylinder,Make pressure at closed-loop control,Automatically adjust the pressure of upper and lower pressure bar,The sintering temperature and sintering time needed for material to be sintered can be reduced.
Description
Technical field
The present invention relates to sintering press device field more particularly to a kind of pulse-pressure sintering furnaces.
Background technology
Sintering is the core link of the inorganic material preparation process such as ceramics.Material forms exclusive crystal form in sintering process
The Physical and chemical characteristics such as structure, particle size, pattern and dislocation, defect, to make material have distinctive performance.Tradition
The heating of sintering furnace is to reach thermal energy by convection current, conduction or radiation mode are transferred to heating object by heater
A certain temperature, heat transmit from outside to inside, and sintering time is long, it is also difficult to obtain fine grain.Pulse sintering is novel burning in recent years
Knot method, being mainly characterized by of the technology are passed through DC pulse current to electrode, instantaneously generate discharge plasma, effectively profit
The surface activation generated with pulse current and particle self-heating, realizes the supper-fast densification sintering of material, contracts significantly
Short sintering time reduces sintering temperature, but pulse current has strong directionality and polarity, leads to sintered material
It will appear that performance profile is uneven along current electric fields direction, influence the use of material.Research shows that current agglomerating plant is carried
The pressure of confession is constant pressure, and the lower particle of constant pressure effect is difficult to slide rearrangement, stomata is difficult to be discharged, in sintering process
It is also easy to produce " hard aggregation " between particle, is easy to cause the non-uniform phenomenon of microstructure, therefore constrains the journey of sintered body densification
The raising of degree and mechanical property, moreover, can not be grasped in time the case where powder contraction, densifying materials in sintering process, to
Constrain the sintering of high performance material.
Invention content
Technical problems based on background technology, the present invention propose a kind of pulse-pressure sintering furnace.
A kind of pulse-pressure sintering furnace, including sintering furnace and pulse-pressure device, pulse-pressure device include pulse generation
Device, pulse converter, servo valve, servo-cylinder, force snesor, transducing signal transmitter, impulse generator connect pulses switch
Device, servo-cylinder opening connect servo valve, and force snesor connects transducing signal transmitter, pulse converter, servo valve and biography
Signal transmitting device is felt by sintering controller connection, and sintering furnace includes furnace body, and furnace body is cylinder type, and centre position is equipped in furnace body
Mold, mould inside are sintering zone, and sintering zone lower part is push-down head and push-down head fixed seat, and push-down head fixed seat lower part is connected with down
The top of pressure rod, sintering zone is equipped with seaming chuck, and seaming chuck is connected with pressure rod, and mold, which wraps around, is provided with several fevers
Body, the upper pressure rod of servo-cylinder connection and lower pressure rod, force snesor are set to seaming chuck and push-down head end.
Preferably, lower pressure rod and upper pressure rod are connected with servo valve, servo-cylinder respectively, and the forcing frequency phase difference of the two is
180 degree.
Preferably, seaming chuck and push-down head are equipped with displacement detector.
Preferably, the inner wall of sintering furnace is equipped with Double water-cooled structure, and Double water-cooled structure is the spiral shape water pipe of bilayer.
Preferably, mold outer layer is equipped with insulating layer, and insulating layer selects graphite carbon felt.
Preferably, on the side wall of sintering furnace, in sintering zone, horizontal position is equipped with observation window, and observation window is quartz glass,
Observation window is externally provided with CCD appliance coupler cameras.
Preferably, sintering zone is equipped with temperature measuring equipment, and temperature measuring equipment is optical fiber type double color infrared temperature measuring instrument, directly measures sintering
Area's internal temperature.
Preferably, it states sintering furnace inner side and is equipped with overtemperature prote thermocouple.
Preferably, heater is isostatic pressed tubular graphite or molybdenum filament.
The advantage of the invention is that the present invention carries out plasma arteries and veins due to treating agglomerated material using impulse current generator
It rushes electric current sintering, and so that upper and lower pressure bar is liquidated pressurization using servo valve control servo-cylinder, make pressure at closed-loop control, it is automatic to adjust
The pressure for saving upper and lower pressure bar, can reduce the sintering temperature and sintering time needed for material to be sintered, promote of material to be sintered
Grain reset, particle migration and stomata discharge, accelerate the volume contraction of material to be sintered, can quick densifying, eliminate gas
The defects of hole, micro-crack, the sintered density and performance of product are greatly improved, displacement detector can limit in sintering process up and down
The shift length of pressure head ensures that product is in equilbrium position in sintering zone, and the present invention can be widely applied to prepare high-performance material
In the sintering process of material, crystalline phase tissue more better than conventional sintering is obtained, performance is more outstanding;
Observation window is externally provided with CCD appliance coupler cameras, can be caught in the environment of high brightness using industrial electrical equipment coupled camera
Image is caught, the variations in detail in sintering process is made to be shown with even clearer picture;
The double-deck water holding jacket can be recycled using water cools down to furnace body, reduces furnace body because of the deformation that temperature increases and generates, carries
High yield quality, prolongs the service life;
Temperature measuring equipment uses optical fiber type double color infrared temperature measuring instrument, directly measures sintering zone internal temperature, and data are directly and accurate, side
Just the control of system;
The present invention is small, can cooperatively form highly integrated sintering system with control system, can reduce manual operation, more pacify
Entirely.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of pulse-pressure sintering furnace proposed by the present invention;
Fig. 2 is a kind of pressure head structure schematic diagram up and down of pulse-pressure sintering furnace proposed by the present invention.
Specific implementation mode
With reference to figure 1-2, the present invention is made further to explain with reference to specific embodiment.
A kind of pulse-pressure sintering furnace, including sintering furnace 1 and pulse-pressure device 2, pulse-pressure device 2 are sent out including pulse
Raw device 3, pulse converter 4, servo valve 5, servo-cylinder 6, force snesor 7, transducing signal transmitter 8, impulse generator 3 connect
Pulse converter 4,6 opening of servo-cylinder connect servo valve 5, and force snesor 7 connects transducing signal transmitter 8, pulses switch
Device 4, servo valve 5 and transducing signal transmitter 8 are connected by sintering controller 9, and sintering furnace 1 includes furnace body 10, and furnace body 10 is circle
Cartridge type, centre position is equipped with mold 11 in furnace body 10, and 11 inside of mold is sintering zone 12,12 lower part of sintering zone be push-down head 13 and
Push-down head fixed seat 14,14 lower part of push-down head fixed seat are connected with lower pressure rod 15, and the top of sintering zone 12 is equipped with seaming chuck 16, on
Pressure head 16 is connected with pressure rod 17, and mold 11, which wraps around, is provided with several heaters 18, and servo-cylinder 6 connects upper pressure rod 17
With lower pressure rod 15, force snesor 7 is set to 13 end of seaming chuck 16 and push-down head.
Lower pressure rod 15 and upper pressure rod 17 are connected with servo valve 5, servo-cylinder 6, the forcing frequency phase difference of the two respectively
For 180 degree, upper push-down head can interlock up and down impacts the raw material to be sintered of sintering zone 12, and raw material uniform force to be sintered is made to balance;
Seaming chuck 16 and push-down head 13 are equipped with displacement detector 24, can detect the upper and lower displacement of sintering zone 13, prevent wherein
Raw material to be sintered deformation it is too big;
The inner wall of sintering furnace 1 is equipped with Double water-cooled structure 19, and Double water-cooled structure 19 is the spiral shape water pipe of bilayer, utilizes water
Cycle cools down to furnace body, reduces furnace body because of the deformation that temperature increases and generates, improves product quality, extends and use the longevity
Life;
11 outer layer of mold is equipped with insulating layer 20, and insulating layer 20 selects graphite carbon felt, and heat-insulating property is good, can guarantee temperature when melting
Stablize, shortens the pumpdown time;
On the side wall of sintering furnace 1, in sintering zone, 12 horizontal position is equipped with observation window 21, and observation window 21 is quartz glass, observation
Window 21 is externally provided with CCD appliance couplers camera 22, and figure can be captured in the environment of high brightness using industrial electrical equipment coupled camera
Picture makes the variations in detail in sintering process be shown with even clearer picture;
Sintering zone 12 is equipped with temperature measuring equipment 23, and temperature measuring equipment is optical fiber type double color infrared temperature measuring instrument, is directly measured in sintering zone 12
Portion's temperature, data are directly and accurate, facilitate the control of system;
1 inner side of sintering furnace is equipped with overtemperature prote thermocouple, can send out alarm when the temperature is excessively high;
Heater 18, which is isostatic pressed tubular graphite or molybdenum filament, has fever soon, the uniform feature of furnace temperature;
The advantage of the invention is that the present invention carries out plasma pulse electricity due to treating agglomerated material using impulse current generator
Stream sintering, and make upper and lower pressure bar liquidate pressurization using servo valve control servo-cylinder makes pressure at closed-loop control, in automatic adjustment
The pressure of down-pressed pole can reduce sintering temperature and sintering time needed for material to be sintered, promote the particle weight of material to be sintered
Row, particle migration and stomata discharge, accelerate the volume contraction of material to be sintered, can quick densifying, eliminate stomata, micro-
The defects of crackle, the sintered density and performance of product are greatly improved, displacement detector can limit upper push-down head in sintering process
Shift length, ensure product be in equilbrium position in sintering zone, the present invention can be widely applied to prepare high performance material
In sintering process, crystalline phase tissue more better than conventional sintering is obtained, performance is more outstanding;
The present invention is small, can cooperatively form highly integrated sintering system with control system, can reduce manual operation, more pacify
Entirely.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of pulse-pressure sintering furnace, which is characterized in that including sintering furnace(1)With pulse-pressure device(2), the pulse adds
Pressure device(2)Including impulse generator(3), pulse converter(4), servo valve(5), servo-cylinder(6), force snesor(7), pass
Feel signal transmitting device(8), the impulse generator(3)Connect the pulse converter(4), the servo-cylinder(6)Opening
Connect servo valve(5), the force snesor(7)Connect the transducing signal transmitter(8), the pulse converter(4), servo
Valve(5)With transducing signal transmitter(8)By sintering controller(9)Connection, the sintering furnace(1)Including furnace body(10), described
Furnace body(10)For cylinder type, the furnace body(10)Interior centre position is equipped with mold(11), the mold(11)Inside is sintering zone
(12), the sintering zone(12)Lower part is push-down head(13)And push-down head fixed seat(14), the push-down head fixed seat(14)Under
Portion is connected with lower pressure rod(15), sintering zone(12)Top be equipped with seaming chuck(16), seaming chuck(16)It is connected with pressure rod(17),
Mold(11)It wraps around and is provided with several heaters(18), the servo-cylinder(6)Pressure rod in connection(17)With lower pressurization
Bar(15), the force snesor(7)It is set to the seaming chuck(16)And push-down head(13)End.
2. a kind of pulse-pressure sintering furnace according to claim 1, which is characterized in that the lower pressure rod(15)Add with upper
Compression bar(17)It is connected with servo valve respectively(5), servo-cylinder(6), the forcing frequency phase difference of the two is 180 degree.
3. a kind of pulse-pressure sintering furnace according to claim 1, which is characterized in that the seaming chuck(16)And push-down head
(13)It is equipped with displacement detector(24).
4. a kind of pulse-pressure sintering furnace according to claim 1, which is characterized in that the sintering furnace(1)Inner wall on
Equipped with Double water-cooled structure(19), the Double water-cooled structure(19)For double-deck spiral shape water pipe.
5. a kind of pulse-pressure sintering furnace according to claim 1, which is characterized in that the mold(11)Outer layer, which is equipped with, to be protected
Warm layer(20), the insulating layer(20)Select graphite carbon felt.
6. a kind of pulse-pressure sintering furnace according to claim 1, which is characterized in that the sintering furnace(1)Side wall on,
In sintering zone(12)Horizontal position is equipped with observation window(21), observation window(21)For quartz glass, the observation window(21)It is outer
Equipped with CCD appliance coupler cameras(22).
7. a kind of pulse-pressure sintering furnace according to claim 1, which is characterized in that the sintering zone(12)Equipped with thermometric
Device(23), temperature measuring equipment is optical fiber type double color infrared temperature measuring instrument, directly measures sintering zone(12)Internal temperature.
8. a kind of pulse-pressure sintering furnace according to claim 1, which is characterized in that the sintering furnace(1)Inner side
Equipped with overtemperature prote thermocouple.
9. a kind of pulse-pressure sintering furnace according to claim 1, which is characterized in that the heater(18)For isostatic pressed
Tubular graphite or molybdenum filament.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780791.2A CN108692564A (en) | 2018-07-17 | 2018-07-17 | A kind of pulse-pressure sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780791.2A CN108692564A (en) | 2018-07-17 | 2018-07-17 | A kind of pulse-pressure sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108692564A true CN108692564A (en) | 2018-10-23 |
Family
ID=63850770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810780791.2A Pending CN108692564A (en) | 2018-07-17 | 2018-07-17 | A kind of pulse-pressure sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692564A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373761A (en) * | 2018-11-27 | 2019-02-22 | 成都易飞得材料科技有限公司 | A kind of multi- scenarios method material handling system |
| CN111606712A (en) * | 2020-06-12 | 2020-09-01 | 中南大学 | Method for preparing boron carbide ceramic by low-temperature pulse pressurization |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3989438A (en) * | 1971-07-28 | 1976-11-02 | Joseph Lucas (Industries) Limited | Method for producing a hot pressed component |
| US4164167A (en) * | 1975-11-21 | 1979-08-14 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Hydraulic servomechanism |
| CN101788226A (en) * | 2010-03-29 | 2010-07-28 | 株洲钻石硬质合金设备有限公司 | Pressure sintering furnace |
| CN103822471A (en) * | 2014-03-12 | 2014-05-28 | 安徽金泰尔合金新材料有限公司 | Alternating-current high-power vacuum hot pressing sintering furnace |
| CN105066682A (en) * | 2015-08-05 | 2015-11-18 | 清华大学 | Rapid-densification pressure-coupling dynamic sintering furnace and sintering method |
| CN105135873A (en) * | 2015-08-05 | 2015-12-09 | 清华大学 | Dynamic pressure electric pulse double-field control sintering furnace and sintering method |
| CN106369993A (en) * | 2016-10-26 | 2017-02-01 | 西南交通大学 | Intermediate-frequency two-way vibration atmosphere sintering furnace |
| CN208688240U (en) * | 2018-07-17 | 2019-04-02 | 浙江晨华科技有限公司 | A kind of pulse-pressure sintering furnace |
-
2018
- 2018-07-17 CN CN201810780791.2A patent/CN108692564A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3989438A (en) * | 1971-07-28 | 1976-11-02 | Joseph Lucas (Industries) Limited | Method for producing a hot pressed component |
| US4164167A (en) * | 1975-11-21 | 1979-08-14 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Hydraulic servomechanism |
| CN101788226A (en) * | 2010-03-29 | 2010-07-28 | 株洲钻石硬质合金设备有限公司 | Pressure sintering furnace |
| CN103822471A (en) * | 2014-03-12 | 2014-05-28 | 安徽金泰尔合金新材料有限公司 | Alternating-current high-power vacuum hot pressing sintering furnace |
| CN105066682A (en) * | 2015-08-05 | 2015-11-18 | 清华大学 | Rapid-densification pressure-coupling dynamic sintering furnace and sintering method |
| CN105135873A (en) * | 2015-08-05 | 2015-12-09 | 清华大学 | Dynamic pressure electric pulse double-field control sintering furnace and sintering method |
| CN106369993A (en) * | 2016-10-26 | 2017-02-01 | 西南交通大学 | Intermediate-frequency two-way vibration atmosphere sintering furnace |
| CN208688240U (en) * | 2018-07-17 | 2019-04-02 | 浙江晨华科技有限公司 | A kind of pulse-pressure sintering furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373761A (en) * | 2018-11-27 | 2019-02-22 | 成都易飞得材料科技有限公司 | A kind of multi- scenarios method material handling system |
| CN109373761B (en) * | 2018-11-27 | 2023-12-15 | 成都易飞得材料科技有限公司 | Multi-field coupling material processing system |
| CN111606712A (en) * | 2020-06-12 | 2020-09-01 | 中南大学 | Method for preparing boron carbide ceramic by low-temperature pulse pressurization |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105066682B (en) | A kind of quick densifying coupling pressure dynamic sinter stove and sintering method | |
| CN108692564A (en) | A kind of pulse-pressure sintering furnace | |
| CN108617042A (en) | A kind of smoking apparatus of induced inside heating | |
| CN104180655B (en) | Ultrasonic-vibration activation-assisted sintering box-type resistance furnace | |
| CN208688240U (en) | A kind of pulse-pressure sintering furnace | |
| CN210070584U (en) | A fritting furnace induction auxiliary heating device for ceramic crystal dodges and burns shaping | |
| CN103673607B (en) | A kind of visual heating furnace | |
| CN107262546A (en) | A kind of aluminium alloy round cast ingot cartridge heater and heating means | |
| JP6118421B2 (en) | Dental kiln | |
| KR102241284B1 (en) | Silicon single crystal production device | |
| CN207170540U (en) | A kind of aluminium alloy round cast ingot cartridge heater | |
| JP2012500898A5 (en) | ||
| CA2735274C (en) | Method for controlling foamed slag in a stainless melt in an electric arc furnace | |
| CN208419576U (en) | A kind of sintering furnace with flash burning technology | |
| CN209263654U (en) | A kind of electric magnesite-smelting furnace furnace shell device with energy-saving function | |
| CN210070583U (en) | Sintering furnace microwave heating device for flash firing forming of ceramic crystal | |
| CN102000801A (en) | Temperature control device for magnesium alloy wheel low-pressure casting mold | |
| CN108645204A (en) | A kind of sintering furnace with flash burning technology | |
| CN108436069A (en) | A kind of casting ladle based on thermal insulation material | |
| CN209151393U (en) | A kind of burning heater furnace | |
| CN204346098U (en) | Energy-saving living beings melt aluminium stove | |
| CN108645212A (en) | Small size vacuum smelting furnace | |
| CN202083232U (en) | Electric radiation heating device | |
| CN108426452A (en) | A kind of processing technology that can quickly heat aluminium alloy | |
| CN205958493U (en) | Moisture apparatus of full -automatic crude oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |