CN200984642Y - Device for preparing monotectic alloy shuck type composite tissue powder - Google Patents
Device for preparing monotectic alloy shuck type composite tissue powder Download PDFInfo
- Publication number
- CN200984642Y CN200984642Y CN 200620093333 CN200620093333U CN200984642Y CN 200984642 Y CN200984642 Y CN 200984642Y CN 200620093333 CN200620093333 CN 200620093333 CN 200620093333 U CN200620093333 U CN 200620093333U CN 200984642 Y CN200984642 Y CN 200984642Y
- Authority
- CN
- China
- Prior art keywords
- drop
- liquid
- crucible furnace
- type composite
- monotectic alloy
- 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.)
- Expired - Lifetime
Links
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 46
- 239000000956 alloy Substances 0.000 title claims abstract description 46
- 239000000843 powder Substances 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000010884 ion-beam technique Methods 0.000 claims description 6
- 238000010894 electron beam technology Methods 0.000 claims description 5
- 210000001124 body fluid Anatomy 0.000 claims description 2
- 239000010839 body fluid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 16
- 230000006911 nucleation Effects 0.000 abstract description 7
- 238000010899 nucleation Methods 0.000 abstract description 7
- 239000000155 melt Substances 0.000 abstract description 2
- 230000008844 regulatory mechanism Effects 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 239000000470 constituent Substances 0.000 description 9
- 239000007791 liquid phase Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 229910000978 Pb alloy Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 229910020830 Sn-Bi Inorganic materials 0.000 description 2
- 229910018728 Sn—Bi Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005486 microgravity Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The utility model relates to an equipment for making monotectic alloy casing type composite powder, which comprises a liquid-drop generating device, a liquid-drop power charging device and a chamber body from top to bottom; the liquid-drop generating device comprises a crucible furnace, a vibrating device for vibrating the melt liquid flowing out from a deflector hole at the bottom of the crucible furnace and a liquid-drop power charging device; the chamber body is internally provided with an infrared temperature measuring instrument for measuring the liquid-drop temperature, a nucleation triggering device and a regulation mechanism for nucleation triggering device position; the nucleation triggering device and the regulation mechanism for nucleation triggering device position comprises a trigger, a triggering target, a sliding block screw rod for adjusting the positions of the trigger and the trigger target and a motor. The utility model can generate the liquid-drop with homogeneous dimension through the liquid-drop generating device, the nucleation triggering is used to treat the surface by nucleation triggering process in cooling process of the liquid-drop, the degree of supersaturation on liquid-drop surface is smaller in the conversion process between liquids, the solute inside the liquid-drop can keep diffusing and moving to the surface constantly, in which the monotectic alloy casing type composite powder can be formed.
Description
Technical field
The utility model belongs to monotectic type alloy powder technology of preparing, specifically a kind of equipment that is used to prepare monotectic alloy shell type composite tissue powder.
Background technology
The signal phasor of monotectic type alloy as shown in Figure 1.Such alloy exists constituent element unmixing temperature range (L in liquid state
1+ L
2).When the alloy melt of homogeneous is cooled to L
1+ L
2In the time of in the district, liquid-liquid phase will take place and become (L → L in it
1+ L
2).Such alloy is very extensive, and wherein many have special mechanics and a physical property, have good application prospects industrial, so its research attracted more and more people's attention.In order deeply to be familiar with the coagulating property of such alloy, the material science worker has successively done a large amount of experimental study work, and has carried out theoretical modeling widely under ground and space microgravity condition both at home and abroad.Discover that when preparing the monotectic alloy powder with the gas atomization method, the shell mould that obtains having top layer 23 and core 24 through regular meeting is organized powder, shown in Fig. 2 a-b.This powder has an important purposes industrial.For example, alloy powder with low melting point top layer, high-strength highly-conductive electrical inner layer complex tissue is desirable electronics industry high-performance scolder, can guarantee to have good welding performance, can guarantee that again solder joint has the high-strength highly-conductive electrical characteristics, can improve the performance of integrated circuit significantly.
The formation mechanism of this shell mould tissue is listed in the mystery of science always.Recently, the applicant discovers that the formation of such tissue on the atomized drop surface heterogeneous forming core takes place by disperse phase (separating out liquid phase earlier) in the liquid-liquid phase change process and causes.So-called heterogeneous forming core just is meant that disperse phase depends on exogenous impurity or surperficial process of carrying out forming core, and it is corresponding with the homogeneous forming core, and the homogeneous forming core is meant the process of spontaneous nucleation in homogeneous free from admixture melt.Compare with the homogeneous forming core, heterogeneous forming core is easier to carry out.
The utility model content
The utility model proposes a kind of surface that utilizes and trigger the equipment that the forming core technology prepares monotectic alloy shell type composite tissue powder.Its objective is and utilize the surface to trigger the forming core technology, make disperse phase be easier to forming core on the atomized drop surface, therefore, in the atomized drop cooling procedure, disperse phase just begins at atomized drop surface forming core under less degree of supersaturation, and forming core speed is very high.This makes that in whole process of setting, the atomized drop surface all has lower degree of supersaturation, thereby solute constantly carries out diffusive migration to the drop surface, impels the formation with shell mould complex tissue powder.
The technical solution of the utility model is:
A kind of equipment that is used to prepare monotectic alloy shell type composite tissue powder, comprise the drop generation device that is provided with from top to bottom, the drop charge device, the cabin body, the drop generation device comprises crucible furnace, to the exciting device that vibrates from the molten body fluid flow of crucible furnace bottom pod apertures outflow, the drop charge device, the drop charge device is installed on melt exit, crucible furnace bottom, be provided with the infrared radiation thermometer of measuring the drop temperature in the body of cabin, forming core flip flop equipment and forming core flip flop equipment position adjusting mechanism, forming core flip flop equipment and forming core flip flop equipment position adjusting mechanism comprise the trigger that can produce electron beam or ion beam, corresponding with trigger and produce the target that drop triggers bundle, adjust the slide block leading screw of trigger and target position, motor.
The described equipment that is used to prepare monotectic alloy shell type composite tissue powder is provided with water-cooling circulating system above exciting device, the crucible furnace top is connected with the gas charging system that melt in the crucible furnace is exerted pressure by pipeline.
The described equipment that is used to prepare monotectic alloy shell type composite tissue powder, exciting device adopt exciting rod to place the interior melt of crucible furnace.
The described equipment that is used to prepare monotectic alloy shell type composite tissue powder, the crucible furnace bottom offers pod apertures, establishes the thermocouple that is used to measure melt temperature in the crucible furnace in the crucible furnace.
The described equipment that is used to prepare monotectic alloy shell type composite tissue powder is established the infrared radiation thermometer that is used to measure the shooting speed measuring device of liquid drop speed and is used to measure the drop temperature in the body of cabin.
The described equipment that is used to prepare monotectic alloy shell type composite tissue powder, the cabin body is connected with vavuum pump and gas charging system.
The described equipment that is used to prepare monotectic alloy shell type composite tissue powder is provided with observation window and observation camera at the crucible furnace top.
The described application that is used to prepare the equipment of monotectic alloy shell type composite tissue powder, concrete steps are as follows:
(1) melt monotectic alloy with crucible furnace, and make the alloy melt temperature rise to constituent element to dissolve each other more than the temperature, insulation forms the homogeneous melt;
(2) in crucible furnace, inflate, force liquid metal to flow out from pod apertures, by using exciting device to make liquid stream under the effect of exciting ripple, be atomized into the drop of size homogeneous, adopt the drop charge device that drop is applied electric field, the drop that forms has like charges, repel mutually, collision merging phenomenon between drop can not take place;
(3) in the droplets fall process, measure the drop temperature with infrared radiation thermometer, according to measured temperature, determine the position of trigger and target, guarantee that reducing to the constituent element liquid state temperature line of dissolving each other when the drop temperature begins to trigger forming core when following;
(4) in liquid-liquid phase change process, the electron beam or the ion beam that produce by trigger impact on target, target is produced trigger bundle, drop is triggered forming core, the result who triggers forming core is that disperse phase is at drop surface forming core, the solute of drop inside causes the formation of disperse phase enriched layer or shell mould complex tissue to the drop diffusion into the surface.
The described application that is used to prepare the equipment of monotectic alloy shell type composite tissue powder, target is selected the pure constituent element corresponding to disperse phase for use.
The beneficial effects of the utility model are:
1, the utility model is provided with the drop generation device, use exciting device to make liquid stream under the effect of exciting ripple, be atomized into the drop of size homogeneous, size droplet diameter is a micron order, scope at several micron to hundreds of micron, and in the drop cooling procedure, it is carried out surface triggering forming core with triggering the forming core device, impel the degree of supersaturation on drop surface in liquid-liquid phase change process less, the inner solute of drop causes having the formation of shell mould complex tissue monotectic alloy powder constantly to the diffusion into the surface migration.
2, the utility model to drop charge, applies electric field to liquid stream by the drop charge device near the outlet of crucible furnace bottom liquid stream, makes the drop band like charges of formation, can avoid collision mutually between drop.
3, the utility model monotectic alloy smelting temperature will be higher than the constituent element temperature of dissolving each other, the atomized drop free-falling, speed progressively increases, in dropping process, adopt infrared radiation thermometer to measure the drop temperature, thereby adjust the position of trigger and target, when drop reaches the liquid-liquid phase alternating temperature and spends, it is carried out surface and trigger forming core, the formation of promotion shell mould complex tissue monotectic alloy powder.
4, the utility model is applicable to that monotectic alloy (as: Al-Pb, Al-Bi, Al-Sn-Bi, Cu-Pb, Cu-Sn-Bi or the like) shell mould organizes the preparation of powder.
Description of drawings
Fig. 1 is the signal phasor of monotectic type alloy.
Fig. 2 a-c is the monotectic alloy shell type composite tissue powder schematic diagram.The typical shell mould complex tissue of Fig. 2 a powder is a cutaway view; Fig. 2 b is typical shell mould complex tissue powder partial cutaway schematic; Fig. 2 c is the Al-Pb alloy powder organization chart with shell mould complex tissue.
Fig. 3 is the special equipment schematic diagram of monotectic alloy shell type composite tissue powder preparation.
Fig. 4 involves it to liquid stream atomizing schematic diagram for exciting device among Fig. 3 forms exciting.
Among the figure, 1 crucible furnace; 2 observation windows; 3 exciting devices; 4 cameras; 5 cooling water pipes; 6 water-cooling circulating systems; 7 gas charging systems; 8 shooting speed measuring devices; 9 vavuum pumps; 10 infrared radiation thermometers; 11 motors; 12 slide block leading screws; 13 forming core flip flop equipments and forming core flip flop equipment position adjusting mechanism; 14 targets; 15 triggers; 16 drop charge devices; 17 pod apertures; 18 thermocouples; 19 drop generation devices; 20 microns drops; 21 trigger bundle; 22 cabin bodies.
The specific embodiment
As shown in Figure 3, the equipment that the utility model proposed mainly is made up of the single-size drop generation device 19, drop charge device 16, the cabin body 22 that are provided with from top to bottom.Wherein, single-size drop generation device 19 comprises crucible furnace 1, exciting device 3, water-cooling circulating system 6, be opened in the crucible furnace bottom pod apertures 17, be used to measure the thermocouple 18 of melt temperature in the crucible furnace, in the melt in the exciting device 3 employing exciting rods insertion crucible furnaces 1, above exciting device 3, be provided with water-cooling circulating system 6, cool off by 5 pairs of exciting devices 3 of cooling water pipe, the crucible furnace top is connected with gas charging system 7 by pipeline, melt in the close crucible stove is exerted pressure, impel melt to flow out crucible furnace.Dc source or drop charge device 16 make the drop band like charges of formation by near the outlet of crucible furnace bottom liquid stream liquid stream being applied electric field, avoid collision mutually between drop.Forming core flip flop equipment and forming core flip flop equipment position adjusting mechanism 13 comprise the trigger 15 that can produce electron beam or ion beam, corresponding with trigger and produce the target 14 that drop triggers bundle, slide block leading screw 12, the motor 11 of adjusting trigger and target position, and it is relative with micron drop 20 to trigger the triggering bundle 21 that back target 14 produces through trigger 15.Being used for high-speed camera speed measuring device 8, infrared radiation thermometer 10, forming core flip flop equipment and forming core flip flop equipment position adjusting mechanism 13 that micron drop tests the speed places in the cabin body 22; cabin body 22 is connected with vavuum pump 9 and gas charging system; can be vacuum state or protective gas state in the cabin body 22, decide according to concrete alloy.Also be provided with observation window 2 and observation at cabin body 22 tops with camera 4, can observe working condition in the body of cabin.
The preparation method of present embodiment monotectic alloy shell type composite tissue powder is as follows:
(1) fusing monotectic alloy, and make the alloy melt temperature rise to constituent element to dissolve each other more than the temperature, insulation forms the homogeneous melt;
(2) in crucible furnace 1, inflate (as argon gas, nitrogen etc., the gas charging system the blowing pressure can be adjusted as required), force liquid metal to flow out from pod apertures, by using exciting device 3 to make liquid stream under the effect of exciting ripple, be atomized into the drop of size homogeneous, owing to applied electric field with drop charge device 16, the drop that forms has like charges, repels mutually, and collision merging phenomenon between drop can not take place.
(3) can be vacuum in the cabin body 22, also can fill protective gas (as argon gas, nitrogen etc.), decide according to alloy.In the droplets fall process, measure the drop temperature with infrared radiation thermometer 10, measure droplets fall speed with shooting speed measuring device 8 (as high-speed camera), according to measured temperature, determine the position of trigger and target, guarantee that reducing to the constituent element liquid state temperature line of dissolving each other when the drop temperature begins to trigger forming core when following.
(4) in liquid-liquid phase change process, electron beam that produces by trigger or ion beam impact that (target is generally selected the pure constituent element corresponding to disperse phase for use on target, as: for the Al-Pb alloy, when disperse phase or first precipitated phase are rich Pb phase time, target can be selected pure Pb for use), target is produced trigger bundle 21 (ion beam of present embodiment is the lead ion bundle), drop is triggered forming core.The result who triggers forming core is a disperse phase (the rich Pb phase in the present embodiment) under extremely low degree of supercooling (constituent element dissolve each other between temperature and drop actual temperature poor) promptly at the surperficial forming core of drop, and the number density of nuclear is very high, this makes that the degree of supersaturation on drop surface is lower all the time in whole liquid-liquid phase change process, therefore, the solute of drop inside (Pb in this example) causes the formation of disperse phase enriched layer or shell mould complex tissue to the drop diffusion into the surface.
The utility model course of work is as follows:
Behind the alloy melting, produce the monotectic alloy drop by drop generation device 19, under the effect of exciting device 3, drop forms exciting ripple (Fig. 4), near pod apertures 17, produce the micron drop 20 of single-size (granularity be several microns to the hundreds of micron), at the drop charge device in pod apertures 17 outsides to drop charge, make between the drop mutually exclusive because of the band like charges, avoid drop that collision mutually takes place in dropping process, by decision triggers the rational position of forming core to it to the drop thermometric, by slide block leading screw 12, motor 11 is adjusted the position of trigger 15 and target 14, in place forming core is triggered on the drop surface, in liquid-liquid phase change process, form triggering forming core phase enriched layer, promptly form the shell mould complex tissue on the drop surface.
Fig. 2 c has a complex tissue Al-Pb alloy powder for preparation in the applicant research, and skin is plumbous, and internal layer is an aluminium.
Claims (7)
1, a kind of equipment that is used to prepare monotectic alloy shell type composite tissue powder, it is characterized in that: comprise the drop generation device (19) that is provided with from top to bottom, drop charge device (16), cabin body (22), drop generation device (19) comprises crucible furnace (1), to the exciting device (3) that vibrates from the molten body fluid flow of crucible furnace bottom pod apertures outflow, drop charge device (16), drop charge device (16) is installed on melt exit, crucible furnace bottom, be provided with the infrared radiation thermometer (10) of measuring the drop temperature in the cabin body (22), forming core flip flop equipment and forming core flip flop equipment position adjusting mechanism (13), forming core flip flop equipment and forming core flip flop equipment position adjusting mechanism (13) comprise the trigger (15) that can produce electron beam or ion beam, corresponding with trigger and produce the target (14) that drop triggers bundle, adjust the slide block leading screw (12) of trigger and target position, motor (11).
2, according to the described equipment that is used to prepare monotectic alloy shell type composite tissue powder of claim 1, it is characterized in that: be provided with water-cooling circulating system (6) in exciting device (3) top, the crucible furnace top is connected with the gas charging system (7) that melt in the crucible furnace is exerted pressure by pipeline.
3, according to the described equipment that is used to prepare monotectic alloy shell type composite tissue powder of claim 1, it is characterized in that: exciting device (3) adopts exciting rod to place the interior melt of crucible furnace (1).
4, according to the described equipment that is used to prepare monotectic alloy shell type composite tissue powder of claim 1, it is characterized in that: crucible furnace (1) bottom offers pod apertures (17), establishes the thermocouple (18) that is used to measure melt temperature in the crucible furnace in the crucible furnace (1).
5, according to the described equipment that is used to prepare monotectic alloy shell type composite tissue powder of claim 1, it is characterized in that: establish the infrared radiation thermometer (10) that is used to measure the shooting speed measuring device (8) of liquid drop speed and is used to measure the drop temperature in the cabin body (22).
6, according to the described equipment that is used to prepare monotectic alloy shell type composite tissue powder of claim 1, it is characterized in that: the cabin body is connected with vavuum pump and gas charging system.
7, according to the described equipment that is used to prepare monotectic alloy shell type composite tissue powder of claim 1, it is characterized in that: observation window (2) and observation camera (4) are set at crucible furnace (1) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620093333 CN200984642Y (en) | 2006-09-20 | 2006-09-20 | Device for preparing monotectic alloy shuck type composite tissue powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620093333 CN200984642Y (en) | 2006-09-20 | 2006-09-20 | Device for preparing monotectic alloy shuck type composite tissue powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200984642Y true CN200984642Y (en) | 2007-12-05 |
Family
ID=38914104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620093333 Expired - Lifetime CN200984642Y (en) | 2006-09-20 | 2006-09-20 | Device for preparing monotectic alloy shuck type composite tissue powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200984642Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100509217C (en) * | 2006-09-20 | 2009-07-08 | 中国科学院金属研究所 | Equipment for preparing monotectic alloy shell type composite tissue powder and use method thereof |
-
2006
- 2006-09-20 CN CN 200620093333 patent/CN200984642Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100509217C (en) * | 2006-09-20 | 2009-07-08 | 中国科学院金属研究所 | Equipment for preparing monotectic alloy shell type composite tissue powder and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103008672B (en) | Pulse small hole many vibrating arms gunite efficiently prepares method and the device of homogeneous spherical micro-particle | |
| Yin et al. | Experimental and numerical analysis of a reverse-polarity plasma torch for plasma atomization | |
| Wang et al. | Close-coupled nozzle atomization integral simulation and powder preparation using vacuum induction gas atomization technology | |
| Liu et al. | A review and progress of multiphase flows in atmospheric and low pressure plasma spray advanced coating | |
| CN101580904A (en) | Method for preparing bulk amorphous alloy under non-vacuum condition and equipment | |
| CN108746652A (en) | A kind of preparation facilities of metal powder and preparation method thereof | |
| CN104503380B (en) | Container-less material processing system | |
| CN104308154A (en) | Manufacturing method of miniature metal heat sink with large length-diameter ratio structure | |
| CN100509217C (en) | Equipment for preparing monotectic alloy shell type composite tissue powder and use method thereof | |
| CN200984642Y (en) | Device for preparing monotectic alloy shuck type composite tissue powder | |
| JP4961551B2 (en) | Cryogenic microslash generation system | |
| CN111230132B (en) | Preparation method of metal powder | |
| Yang et al. | Nucleation on thermal history and microstructural evolution of atomized Ti-48Al nano and micro-powders | |
| Fauchais et al. | Modelling of plasma spraying of ceramic coatings at atmospheric pressure | |
| Guo et al. | Continuous fabrication of sound semi-solid slurry for rheoforming | |
| Qi et al. | Predication and measurement of deflected trajectory and temperature history of uniform metal droplets in microstructures fabrication | |
| Liu et al. | A novel reverse-polarity plasma torch with extended hot-wall nozzle for atmospheric plasma spraying of dense yttria-stabilized zirconia coatings | |
| Cox et al. | Effect of step-wise change in processing pressure on isolated pore growth during controlled directional solidification in small channels | |
| Jier et al. | Design and characteristics of a triple-cathode cascade plasma torch for spheroidization of metallic powders | |
| CN107138698B (en) | A kind of metal or alloy wire rod preparation facilities and the method for preparing metal or alloy wire rod with the device | |
| Kai et al. | Experimental investigation on plasma jet deflection with magnetic fluid control based on PIV measurement | |
| Xueying et al. | Three-dimensional numerical simulation of heating and melting behaviors of cerium oxide powders in radio frequency thermal plasma | |
| Qiu et al. | A novel triple-cathode plasma torch with hot-wall nozzle for YSZ spherical thin-walled hollow-shell powder preparation | |
| Liu et al. | Preparation and characterization of Co3O4/Al core-shell nanoenergetic materials and their application in energetic semiconductor bridges | |
| KR100307711B1 (en) | Apparatus and method for manufacturing magnesium alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20060920 |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20060920 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |