CN101279371A - Method and device for preparing micro-uniform grain using harmonic method - Google Patents
Method and device for preparing micro-uniform grain using harmonic method Download PDFInfo
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- CN101279371A CN101279371A CNA2007100606435A CN200710060643A CN101279371A CN 101279371 A CN101279371 A CN 101279371A CN A2007100606435 A CNA2007100606435 A CN A2007100606435A CN 200710060643 A CN200710060643 A CN 200710060643A CN 101279371 A CN101279371 A CN 101279371A
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Abstract
The invention discloses a method which adopts the harmonic method for preparing micro-even particles, and the method comprises the following steps: (1) metal material to be melted is added in a crucible; (2) cooling liquid is added in collection devices, and a vacuum cavity is sealed; (3) the vacuum extraction of the crucible and the vacuum cavity is carried out, and protective gas is filled; (4) the metal material in the crucible is melted; (5) a piezoelectric oscillator is opened; (6) the diameter of liquid drops is calculated; (7) charged main liquid drops and micro-liquid drops are separated when passing a deflecting electric field; (8) the main liquid drops and the micro-liquid drops are fallen into the respective collection devices after the separation of a deflecting polar plate. The device and the method for preparing the micro-even particles have strong process controllability, which can directly obtain the even particles with more micro-size, the process flow is short, the product quality is good, and the equipment investment is greatly reduced.
Description
Technical field
The present invention relates to the microparticle preparing technical field, be specifically related to utilize the fracture of harmonic oscillation control jet to obtain a kind of method and device that adopts harmonic method to be equipped with micro-uniform grain of miniature spherical drop or particle.
Background technology
People such as the Chun of Massachusetts Institute Technology (MIT) and Passow have proposed a kind of novel symmetrical liquid drop production method-symmetrical liquid drop injecting technology on the basis of Rayleigh capillary liquid stream Instability Theory.This technology can obtain size uniform spherical molten drop or particle by the fracture behaviour of control continuous molten metal jet, compares with the conventional particles preparation method to have the technological process weak point, controllability is good, equipment investment is few, production efficiency height, characteristics such as good product quality.On this technical foundation, people's SEPARATE APPLICATION such as Wu Ping, Zhang Shaoming Chinese patent (CN2649227, CN1899732).But because the restriction of Rayleigh jet stability condition, the particle diameter that even droplet discharge technique produces is about 1.5 to 2.5 times of nozzle diameter, when nozzle bore is reduced to below 50 microns,, cause the obstruction and the jet unstability of nozzle during the preparation particle easily owing to the restriction of process conditions.Therefore, even at present droplet discharge technique is produced particle diameter mainly in 50 microns to 1000 microns scope.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, provide a kind of process controllability strong, can directly obtain to have the more small single-size of size, technological process is short, and good product quality greatly reduces a kind of method and device that adopts harmonic method to be equipped with micro-uniform grain of equipment investment.
A kind of method that adopts harmonic method to be equipped with micro-uniform grain of the present invention, it may further comprise the steps:
(1) opens the crucible loam cake, in crucible, add metal material that needs melting and sealing;
(2) cooling fluid is added in the gathering-device, baffle plate is moved to the top of gathering-device and sealed vacuum chamber;
(3) crucible and vacuum chamber are vacuumized, and charge into inert protective gas;
(4) heating crucible, the metal material in the melting cup, and metal material fusing back insulation 20-30 minute;
(5) opening piezoelectric oscillator, to make its frequency be 6-15KH
Z, frequency ratio is 2-4, gives to add battery lead plate and add voltage 200-300V, utilize control pressurer system to make and reach between crucible and the vacuum chamber and stablize pressure reduction 0.5-1.5P
0Thereby motlten metal is penetrated from the nozzle of the crucible bottom form with laminar jet, under the effect of piezoelectric oscillator vibration head, the metal jet that flows out is fractured into bigger main droplet and less little drop, is with the equivalent electric charge respectively at the drop of two kinds of sizes when adding the battery lead plate intermediate gaps;
(6) utilize the captured drop image of image monitoring system to calculate the diameter of drop accurately in conjunction with computer aided video system, thereby FEEDBACK CONTROL is adjusted the frequency that piezoelectric oscillator produces, thereby obtain to set the symmetrical liquid drop of size, the simultaneous computer analytical system calculates the electric weight of drop, thereby control adds the loading parameters of battery lead plate;
(7) charged main droplet separates through deflecting electric field the time with little drop;
(8) when drop reaches the size of setting, remove baffle plate, main droplet separates through the deflection pole plate with little drop and falls into its gathering-device separately, by the moulding of cooling fluid final set.
A kind of device of realizing the described method of claim 1, it comprises:
(a) vacuum chamber, this vacuum chamber links to each other with vavuum pump by first appendix that it is provided with vacuum valve;
(b) Control System of Microcomputer, this Control System of Microcomputer comprises mainboard, is connected signal generator and image pick-up card on the described mainboard by control line respectively;
(c) one is dodged device frequently, and this sudden strains of a muscle frequency device is installed on the sidewall of described vacuum chamber and by line and is connected with frequency divider, and described frequency divider links to each other with signal generator in the Control System of Microcomputer;
(d) camera head, this camera head be installed in the described sidewall that dodges the vacuum chamber of device opposite position frequently on and link to each other with image pick-up card in the Control System of Microcomputer by line.
(e) crucible, this crucible is arranged on the top of described vacuum chamber, and the bottom of this crucible is inlaid with micro nozzle, and its lateral wall is equipped with heater, described crucible is built-in with temperature element, and this temperature element links to each other with temperature regulating device by control line respectively with heater;
(f) piezoelectric oscillator, the vibration head of this piezoelectric oscillator are arranged in the crucible and are positioned at the top of described nozzle, and piezoelectric oscillator up-down adjustment device is housed between described piezoelectric oscillator and crucible cover;
(g) one adds battery lead plate, and this adds the outside below that battery lead plate is arranged in the described vacuum chamber and is positioned at described micro nozzle, with respect to described nozzle place an opening is arranged in the middle of this adds battery lead plate;
(h) two deflection pole plates that be arranged in parallel, this deflection pole plate is arranged in the described vacuum chamber and is positioned at the described battery lead plate below that adds, the described battery lead plate that adds links to each other with power supply by lead respectively with the deflection pole plate, and described power supply links to each other with mainboard in the Control System of Microcomputer by lead;
(i) two gathering-devices, this gathering-device are arranged in the described vacuum chamber and are positioned at the below of described deflection pole plate;
(j) baffle plate, this baffle plate can be around the barrier support rotation and between described deflection pole plate and gathering-device;
(k) inert gas storage facilities, this gaseous storage device link to each other with described crucible, vacuum chamber by second, third appendix that first, second valve is housed on it respectively;
(l) gas pressure regulator, this gas pressure regulator link to each other with described first and second valve by first and second control line respectively, and two pressure sensors of this gas pressure regulator place described crucible and vacuum chamber inside respectively.
Micro-uniform grain preparation facilities of the present invention and method, process controllability is strong, can control crucible temperature, and the pressure differential of crucible and vacuum chamber can also be by controlling piezoelectric oscillator and nozzle aperture apart from control jet flow and response excursion.Utilize signal generator to provide harmonic signal to piezoelectric oscillator, thereby control jet periodically is fractured into main droplet and little drop, induction charging when process adds battery lead plate, host grain and microparticle fall into its gathering-device separately along different tracks respectively during by deflecting electric field, obtain to have minute sized particle.With respect to the additive method of present preparation particle, the present invention can directly obtain to have the more small single-size of size, and technological process is short, and good product quality greatly reduces equipment investment.
Description of drawings
Accompanying drawing is the apparatus structure schematic diagram that employing harmonic method of the present invention is equipped with micro-uniform grain.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done to describe in detail.
A kind of method that adopts harmonic method to be equipped with micro-uniform grain of the present invention, it may further comprise the steps: (1) opens the crucible loam cake, adds metal material that needs melting and sealing in crucible; (2) cooling fluid is added in the gathering-device, baffle plate is moved to the top of gathering-device and sealed vacuum chamber; (3) crucible and vacuum chamber are vacuumized, and charge into inert protective gas; (4) heating crucible, the metal material in the melting cup, and metal material fusing back insulation 20-30 minute; (5) opening piezoelectric oscillator, to make its frequency be 6-15KH
Z, frequency ratio is 2-4, gives to add battery lead plate and add voltage 200-300V, utilize control pressurer system to make and reach between crucible and the vacuum chamber and stablize pressure reduction 0.5-1.5P
0Thereby motlten metal is penetrated from the nozzle of the crucible bottom form with laminar jet, signal generator provides harmonic signal to piezoelectric oscillator, under the effect of piezoelectric oscillator vibration head, the metal jet that flows out is fractured into bigger main droplet and less little drop, is with the equivalent electric charge respectively at the drop of two kinds of sizes when adding the battery lead plate intermediate gaps; (6) utilize the captured drop image of image monitoring system to calculate the diameter of drop accurately in conjunction with computer aided video system, thereby FEEDBACK CONTROL is adjusted the frequency that piezoelectric oscillator produces, thereby obtain to set the symmetrical liquid drop of size, the simultaneous computer analytical system calculates the electric weight of drop, thereby control adds the loading parameters of battery lead plate; (7) charged drop is at process deflecting electric field time-division poling droplet and bigger drop; (8) when drop reaches the size of setting, remove baffle plate, minimum drop separates through the deflection pole plate with bigger drop and falls into its gathering-device separately, by the moulding of cooling fluid final set.
The principle of the inventive method is: use inert gas (as nitrogen) to inject crucible and vacuum chamber, utilize control pressurer system to make crucible and vacuum chamber reach stable pressure reduction, make metal bath form ejection with laminar jet from the micro nozzle of crucible bottom, according to Rayleigh jet unstability principle, harmonic vibration disturbance metal jet with piezoelectric oscillator produces makes metal jet be fractured into uniform main droplet and little drop.By the real-time dimensional parameters of surveillance in conjunction with Computerized analysis system acquisition generation drop, and then at optimized parameter, the frequency of FEEDBACK CONTROL oscillator, molten drop that reduces to produce and the error of setting drop size.Molten drop is induction charging when adding battery lead plate, and charged main droplet separates through deflecting electric field with little drop and enters its gathering-device separately.
The inventive system comprises crucible 1 as shown in the figure, piezoelectric oscillator 2, piezoelectric oscillator up-down adjustment device 39 adds battery lead plate 6, deflection pole plate 8, baffle plate 9, barrier support 10, gathering-device 11 and 12.Crucible 1 is provided with piezoelectric oscillator 2, piezoelectric oscillator 2 is connected with signal generator 36 by control line, the bottom of crucible 1 is inlaid with micro nozzle 5, the vibration head 3 of this piezoelectric oscillator 2 is arranged on the top of micropore 5, crucible 1 lateral wall having heaters 4, the battery lead plate of adding 6 is arranged below the outside of micro nozzle 5, and adding battery lead plate 6 centres has an opening 7 with respect to the nozzle place, adds battery lead plate 6 belows parallel deflection pole plate 8 is set.The bottom of vacuum chamber 13 is provided with particle cooling gathering- device 11 and 12, and a baffle plate 8 is arranged on the gathering- device 11 and 12, is fixed on the bottom of vacuum chamber 13 by support 10, and baffle plate 8 can rotate around support 10.Crucible 1 sidewall and vacuum chamber 13 sidewalls are connected with second and third appendix 15,16 respectively, appendix 15,16 is connected with valve 17,18 respectively, be connected with valve 37 by the 4th appendix 19, link to each other with inert gas storage facilities 14, first and second valve 17,18 is connected with gas pressure regulator 33 by control line 21,20 again.Gas pressure regulator 21 has two pressure sensors 22,23 to place crucible 1 and vacuum chamber 12 inside respectively.Vacuum chamber 11 right sides link to each other with vacuum valve 24 by first appendix 31, are connected with vavuum pump 25 by appendix 32.Crucible 1 is built-in with temperature element can be thermocouple 38, is connected with temperature regulating device 30 by line, and heater 4 is connected with temperature regulating device 30 by control line.Adding battery lead plate 6 is connected with power supply 40 by line respectively with deflection pole plate 8.Power supply 40 is connected with mainboard 35 in the Control System of Microcomputer by line.Vacuum chamber 13 left side walls have one to dodge device 26 frequently, are connected with frequency divider 28 by line, and frequency divider 28 is connected with signal generator 36 in the Control System of Microcomputer 29.Device 26 opposite positions have camera head 27 with dodging frequently on vacuum chamber 11 right sides, are connected with image pick-up card 34 in the Control System of Microcomputer 29 by line.Control System of Microcomputer 29 critical pieces include signal generator 36, image pick-up card 34 and mainboard 35.Signal generator 36 and image pick-up card 34 are connected on the computer motherboard 35 by control line respectively.Micro nozzle preferably is circular sapphire aperture, and its diameter range is between 0.03～0.5mm, and sapphire material is high temperature resistant and be out of shape little.Distance between described nozzle and the described vibration head is preferably 0.3mm-2mm.
Embodiment 1
(1) opens the crucible loam cake, in crucible, add metal material Sn-3.5Ag-0.5Cu 100g that needs melting and sealing;
(2) cooling fluid is added in the gathering-device, baffle plate is moved to the top of gathering-device and sealed vacuum chamber;
(3) crucible and vacuum chamber are vacuumized, and charge into nitrogen;
(4) heating crucible, the metal material in the melting cup, and metal material fusing back insulation 20 minutes;
(5) opening piezoelectric oscillator, to make it produce basic frequency be 5KH
Z, frequency ratio is 4 harmonic vibration, gives to add battery lead plate and add voltage 250V, utilize control pressurer system to make and reach between crucible and the vacuum chamber and stablize pressure reduction 1.3P
0Thereby motlten metal is penetrated from the nozzle of the crucible bottom form with laminar jet, under the effect of piezoelectric oscillator vibration head, the metal jet that flows out is fractured into minimum drop and bigger drop, all be with the equivalent electric charge at each drop when adding the battery lead plate intermediate gaps, distance between nozzle and the described vibration head is 2mm, and nozzle is circular sapphire aperture, and its diameter is 0.1mm;
(6) utilize the captured drop image of image monitoring system to calculate the diameter of drop accurately in conjunction with computer aided video system, wherein the diameter of minimum drop is that the diameter of 0.06mm, bigger drop is 0.2mm, thereby to adjust the frequency that piezoelectric oscillator produces be 8.6KH to FEEDBACK CONTROL
ZThereby obtaining to set diameter is the minimum drop of 0.04mm, the bigger drop that diameter is 0.18mm, and the simultaneous computer analytical system calculates the electric weight of drop, is 300V thereby control adds the loading parameters of battery lead plate;
(7) charged drop is at the deflecting electric field time-division poling droplet and bigger drop that through overvoltage are 50V;
(8) when drop reaches the size of setting, remove baffle plate, minimum drop separates through the deflection pole plate with bigger drop and falls into its gathering-device separately, by the moulding of cooling fluid final set.
(1) opens the crucible loam cake, in crucible, add metal material Sn-5%Pb that needs melting and sealing;
(2) cooling fluid is added in the gathering-device, baffle plate is moved to the top of gathering-device and sealed vacuum chamber;
(3) crucible and vacuum chamber are vacuumized, and charge into nitrogen;
(4) heating crucible, the metal material in the melting cup, and metal material fusing back insulation 30 minutes;
(5) opening piezoelectric oscillator, to make it produce basic frequency be 12KH
ZFrequency ratio is 2 harmonic vibration, adds voltage 300V to adding battery lead plate, utilizes control pressurer system to make and reaches between crucible and the vacuum chamber and stablize pressure reduction 1.5P
0Thereby motlten metal is penetrated from the nozzle of the crucible bottom form with laminar jet, under the effect of piezoelectric oscillator vibration head, the metal jet that flows out is fractured into minimum drop and bigger drop, all be with the equivalent electric charge at each drop when adding the battery lead plate intermediate gaps, distance between nozzle and the described vibration head is 1.0mm, and nozzle is circular sapphire aperture, and its diameter is 0.05mm;
(6) utilize the captured drop image of image monitoring system to calculate the diameter of drop accurately in conjunction with computer aided video system, wherein the diameter of minimum drop is that the diameter of 0.02mm, bigger drop is 0.08mm, thereby to adjust the frequency that piezoelectric oscillator produces be 11.4KH to FEEDBACK CONTROL
ZThereby, obtaining to set minimum drop, the footpath that diameter is 0.02mm and be the bigger drop of 0.1mm, the simultaneous computer analytical system calculates the electric weight of drop, is 200V thereby control adds the loading parameters of battery lead plate;
(7) charged drop is at the deflecting electric field time-division poling droplet and bigger drop that through overvoltage are 20V;
(8) when drop reaches the size of setting, remove baffle plate, minimum drop separates through the deflection pole plate with bigger drop and falls into its gathering-device separately, by the moulding of cooling fluid final set.
Embodiment 3
(1) opens the crucible loam cake, in crucible, add metal material Sn-9%Zn that needs melting and sealing;
(2) cooling fluid is added in the gathering-device, baffle plate is moved to the top of gathering-device and sealed vacuum chamber;
(3) crucible and vacuum chamber are vacuumized, and charge into nitrogen;
(4) heating crucible, the metal material in the melting cup, and metal material fusing back insulation 25 minutes;
(5) opening piezoelectric oscillator, to make it produce basic frequency be 14KH
Z, frequency ratio is 3 harmonic vibration, gives to add battery lead plate and add voltage 300V, utilize control pressurer system to make and reach between crucible and the vacuum chamber and stablize pressure reduction 1P
0Thereby motlten metal is penetrated from the nozzle of the crucible bottom form with laminar jet, under the effect of piezoelectric oscillator vibration head, the metal jet that flows out is fractured into minimum drop and bigger drop, all be with the equivalent electric charge at each drop when adding the battery lead plate intermediate gaps, distance between nozzle and the described vibration head is 0.3mm, and nozzle is circular sapphire aperture, and its diameter is 0.5mm;
(6) utilize the captured drop image of image monitoring system to calculate the diameter of drop accurately in conjunction with computer aided video system, wherein the diameter of minimum drop is that the diameter of 0.06mm, bigger drop is 0.68mm, thereby to adjust the frequency that piezoelectric oscillator produces be 15KH to FEEDBACK CONTROL
ZThereby, obtaining to set minimum drop, the footpath that diameter is 0.05mm and be the bigger drop of 0.65mm, the simultaneous computer analytical system calculates the electric weight of drop, is 100V thereby control adds the loading parameters of battery lead plate;
(7) charged drop is at the deflecting electric field time-division poling droplet and bigger drop that through overvoltage are 30V;
(8) when drop reaches the size of setting, remove baffle plate, minimum drop separates through the deflection pole plate with bigger drop and falls into its gathering-device separately, by the moulding of cooling fluid final set.
Claims (6)
1. method that adopts harmonic method to be equipped with micro-uniform grain is characterized in that it may further comprise the steps:
(1) opens the crucible loam cake, in crucible, add metal material that needs melting and sealing;
(2) cooling fluid is added in the gathering-device, baffle plate is moved to the top of gathering-device and sealed vacuum chamber;
(3) crucible and vacuum chamber are vacuumized, and charge into inert protective gas;
(4) heating crucible, the metal material in the melting cup, and metal material fusing back insulation 20-30 minute;
(5) opening piezoelectric oscillator, to make its frequency be 6-15KH
Z, frequency ratio is 2-4, gives to add battery lead plate and add voltage 200-300V, utilize control pressurer system to make and reach between crucible and the vacuum chamber and stablize pressure reduction 0.5-1.5P
0Thereby motlten metal is penetrated from the nozzle of the crucible bottom form with laminar jet, under the effect of piezoelectric oscillator vibration head, the metal jet that flows out is fractured into bigger main droplet and less little drop, is with the equivalent electric charge respectively at the drop of two kinds of sizes when adding the battery lead plate intermediate gaps;
(6) utilize the captured drop image of image monitoring system to calculate the diameter of drop accurately in conjunction with the computer image analysis system, thereby FEEDBACK CONTROL is adjusted the frequency that piezoelectric oscillator produces, thereby obtain to set the symmetrical liquid drop of size, the simultaneous computer analytical system calculates the electric weight of drop, thereby control adds the loading parameters of battery lead plate;
(7) charged main droplet separates through deflecting electric field the time with little drop;
(8) when drop reaches the size of setting, remove baffle plate, minimum drop separates through the deflection pole plate with bigger drop and falls into its gathering-device separately, by the moulding of cooling fluid final set.
2. employing harmonic method according to claim 1 is equipped with the method for micro-uniform grain, it is characterized in that: the distance between described nozzle and the described vibration head is 0.3mm-2mm.
3. employing harmonic method according to claim 1 is equipped with the method for micro-uniform grain, it is characterized in that: described nozzle is circular sapphire aperture, and its diameter range is between 0.030～0.500mm.
4. device of realizing the described method of claim 1 is characterized in that it comprises:
(a) vacuum chamber, this vacuum chamber links to each other with vavuum pump by first appendix that it is provided with vacuum valve;
(b) Control System of Microcomputer, this Control System of Microcomputer comprises mainboard, is connected signal generator and image pick-up card on the described mainboard by control line respectively;
(c) one is dodged device frequently, and this sudden strains of a muscle frequency device is installed on the sidewall of described vacuum chamber and by line and is connected with frequency divider, and described frequency divider links to each other with signal generator in the Control System of Microcomputer;
(d) camera head, this camera head be installed in the described sidewall that dodges the vacuum chamber of device opposite position frequently on and link to each other with image pick-up card in the Control System of Microcomputer by line.
(e) crucible, this crucible is arranged on the top of described vacuum chamber, and the bottom of this crucible is inlaid with micro nozzle, and its lateral wall is equipped with heater, described crucible is built-in with temperature element, and this temperature element links to each other with temperature regulating device by control line respectively with heater;
(f) piezoelectric oscillator, the vibration head of this piezoelectric oscillator are arranged in the crucible and are positioned at the top of described nozzle, and piezoelectric oscillator up-down adjustment device is housed between described piezoelectric oscillator and crucible cover;
(g) one adds battery lead plate, and this adds the outside below that battery lead plate is arranged in the described vacuum chamber and is positioned at described micro nozzle, with respect to described nozzle place an opening is arranged in the middle of this adds battery lead plate;
(h) two deflection pole plates that be arranged in parallel, this deflection pole plate is arranged in the described vacuum chamber and is positioned at the described battery lead plate below that adds, the described battery lead plate that adds links to each other with power supply by lead respectively with the deflection pole plate, and described power supply links to each other with mainboard in the Control System of Microcomputer by lead;
(i) two gathering-devices, this gathering-device are arranged in the described vacuum chamber and are positioned at the below of described deflection pole plate;
(j) baffle plate, this baffle plate can be around the barrier support rotation and between described deflection pole plate and gathering-device;
(k) inert gas storage facilities, this gaseous storage device link to each other with described crucible, vacuum chamber by second, third appendix that first, second valve is housed on it respectively;
(l) gas pressure regulator, this gas pressure regulator link to each other with described first and second valve by first and second control line respectively, and two pressure sensors of this gas pressure regulator place described crucible and vacuum chamber inside respectively.
5. employing harmonic method according to claim 4 is equipped with the device of micro-uniform grain, it is characterized in that: described nozzle is circular sapphire aperture, and its diameter range is between 0.030～0.500mm.
6. employing harmonic method according to claim 4 is equipped with the device of micro-uniform grain, it is characterized in that: the distance between described nozzle and the described vibration head is 0.3mm-2mm.
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| CNA2007100606435A CN101279371A (en) | 2007-12-28 | 2007-12-28 | Method and device for preparing micro-uniform grain using harmonic method |
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| CNA2007100606435A CN101279371A (en) | 2007-12-28 | 2007-12-28 | Method and device for preparing micro-uniform grain using harmonic method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912973A (en) * | 2010-07-29 | 2010-12-15 | 大连理工大学 | Method and device for preparing uniform solidified particles by orifice injection |
| CN101982230A (en) * | 2010-09-28 | 2011-03-02 | 大连隆田科技有限公司 | Method and device for pulse aperture injection batch preparation of even particles |
| CN102210998A (en) * | 2011-05-19 | 2011-10-12 | 天津大学 | Device and method for preparing egg-type alloy welded ball |
| CN103008672A (en) * | 2012-12-14 | 2013-04-03 | 大连理工大学 | Method and device for efficiently preparing uniform spherical micro-particle through pulse small-hole multi-vibrating-rod injection process |
| CN104089972A (en) * | 2014-07-18 | 2014-10-08 | 大连理工常州研究院有限公司 | Method for determining condensate depression of metal micro-drops during rapid solidification process and device used by method |
| CN104096845A (en) * | 2014-07-18 | 2014-10-15 | 大连理工常州研究院有限公司 | Method and device for manufacturing metallic glass particles |
| CN105945285A (en) * | 2016-05-17 | 2016-09-21 | 江西省科学院应用物理研究所 | Method and device for preparing lattice structure parts from uniform metal droplets |
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- 2007-12-28 CN CNA2007100606435A patent/CN101279371A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912973A (en) * | 2010-07-29 | 2010-12-15 | 大连理工大学 | Method and device for preparing uniform solidified particles by orifice injection |
| CN101912973B (en) * | 2010-07-29 | 2012-07-04 | 大连理工大学 | Method and device for preparing uniform solidified particles by orifice injection |
| CN101982230A (en) * | 2010-09-28 | 2011-03-02 | 大连隆田科技有限公司 | Method and device for pulse aperture injection batch preparation of even particles |
| CN102210998A (en) * | 2011-05-19 | 2011-10-12 | 天津大学 | Device and method for preparing egg-type alloy welded ball |
| CN103008672A (en) * | 2012-12-14 | 2013-04-03 | 大连理工大学 | Method and device for efficiently preparing uniform spherical micro-particle through pulse small-hole multi-vibrating-rod injection process |
| CN103008672B (en) * | 2012-12-14 | 2015-08-19 | 大连理工大学 | Pulse small hole many vibrating arms gunite efficiently prepares method and the device of homogeneous spherical micro-particle |
| CN104089972A (en) * | 2014-07-18 | 2014-10-08 | 大连理工常州研究院有限公司 | Method for determining condensate depression of metal micro-drops during rapid solidification process and device used by method |
| CN104096845A (en) * | 2014-07-18 | 2014-10-15 | 大连理工常州研究院有限公司 | Method and device for manufacturing metallic glass particles |
| CN104096845B (en) * | 2014-07-18 | 2016-09-07 | 大连理工常州研究院有限公司 | A kind of method preparing glassy metal particle and device thereof |
| CN105945285A (en) * | 2016-05-17 | 2016-09-21 | 江西省科学院应用物理研究所 | Method and device for preparing lattice structure parts from uniform metal droplets |
| CN105945285B (en) * | 2016-05-17 | 2018-03-02 | 江西省科学院应用物理研究所 | A kind of homogeneous metal drop prepares the method and apparatus of lattice structure part |
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