CN206425510U - A kind of compound device for preparing semi solid slurry - Google Patents
A kind of compound device for preparing semi solid slurry Download PDFInfo
- Publication number
- CN206425510U CN206425510U CN201621473525.8U CN201621473525U CN206425510U CN 206425510 U CN206425510 U CN 206425510U CN 201621473525 U CN201621473525 U CN 201621473525U CN 206425510 U CN206425510 U CN 206425510U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- angle
- semi
- metal
- solid
- 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 - Fee Related
Links
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The utility model discloses a kind of compound device for preparing semi solid slurry, including voltage regulator, pulsed magnetic generator, steel pipe, magnet exciting coil and angle of inclination adjusting bracket, magnet exciting coil is wound with the outside of steel pipe, steel pipe is fixedly connected with the inclined plane of angle of inclination adjusting bracket；Pulsed magnetic generator is electrically connected with magnet exciting coil and voltage regulator respectively, and voltage regulator adjusts the pulse voltage of input pulse magnetic field generator；Molten metal in the both ends open of steel pipe, pony ladle is entered in the bore passage of steel pipe by the higher-end opening of steel pipe, is become semi-solid metal and is fallen into the collection vessel below the relatively low end opening of steel pipe.The utility model suppresses the precipitation of primary dendrite using electromagnetic induction power, and a large amount of forming core formation crystal grain of molten metal can be made by tilting the cooling effect of bucket；During inclined casting, molten metal can crush larger primary dendrite by larger impulsive force, form tiny primary grain, play the proliferation function of nucleus.
Description
Technical field
The utility model is related to semisolid metal processing technology field, and more particularly to a kind of be combined prepares semi solid slurry
Device.
Background technology
Semisolid metal processing technology has turned into one of current most active research field.This method can not only be reduced
Cost, improves casting quality and yield rate, while having the advantages that efficient, energy-conservation, beneficial to environmental protection.Some current developed countries are
Start to be applied to the fields such as auto manufacturing, communication, electrical equipment, computer and its auxiliary equipment field, Aero-Space, and with wide
Wealthy development prospect.Metal and alloy semi-solid forming technique be general to be divided to two classes, a class be semi-solid-state metal or thixotropic alloy into
Shape, i.e., first allow the metal or alloy semi solid slurry of ring initial crystal to be completely solidified into blank, then carried out to the blank of suitable length
Semisolid remelting is heated, and the semi-solid blank in solid-liquid two-phase region is delivered into die casting machine or forging machine is formed；It is another kind of
It is the metal or alloy semi solid slurry of ring initial crystal is fed directly into die casting machine or forging machine to carry out direct forming, i.e. stream to become
Shape.Either rheological molding or thixotropic forming, the preparation of wherein semisolid (or non-dendritic structure) alloy is whole process
Basis with it is crucial, the purpose is to obtain, to be suitable to the primary phase of semi-solid forming be spherical or granular non-dendritic structure, is protected
Demonstrate,prove the supply of semi-solid metal.Domestic and international researcher has made numerous studies work in this regard, it is proposed that many preparation sides
Method and thought.Wherein mainly include：
(1) mechanical mixing method is the method used earliest, is mainly used in studying the rheological property and rheocasting of metal.
Its principle is that strong mechanical agitation is carried out in molten metal cooling procedure, and dendrite breaks because of the effect by shearing force
Split, while promoting the equalizing temperature inside melt, it is suppressed that the growth of dendrite, realize crystal grain from branch pattern to spherical
Development.The proposition mechanical mixing method first such as last century the seventies Flemings can obtain the semi-solid blank of an alloy,
Thus as originator, a variety of mechanical agitation methods, United States Patent (USP) US3902544, US3948650 and US3954455 etc. are formd
Several mechanical agitation methods for preparing metal semi-solid slurry are disclosed, each with certain features, especially British scholar
Z.Fan et al. propose double helix mechanical mixing method (Twin-screw Rheomoulding Process) achieve it is larger
Break through.But because technological parameter is whard to control, easily it is involved in gas；Agitator easily causes melt contamination with melt contacts；In the presence of
Dead angle is stirred, the uniformity of slurry is influenceed；Reappearance is poor, it is difficult to ensure that the uniformity of product quality；Prepared semisolid
Slurry solid rate is typically relatively low.
(2) electromagnetic stirring method is the wider technology of current application, and it overcomes the shortcomings of mechanical mixing method, utilizes rotation
Magnetic field produces induced-current in molten metal, and molten metal produces motion under long-range navigation magneticaction, reaches the purpose of stirring.The U.S.
Patent the 4229210th, No. 4434837 disclose several electromagnetic agitation methods for preparing metal semi-solid slurry or continuous casting material,
Suppress the precipitation of primary dendrite using strong electromagnetic induction power, prepare spherical or granular primary crystal semi-solid metal slurry, then
The continuous casting material of globular crystal semi-solid-state metal is produced using continuous casting technology.Chinese patent 200420112702.0 discloses one kind
Optical ground wire method continuously prepares the device of semi-solid metal slurry, and the primary structure and principle of the device are in tundish
Apply electromagnetic agitation, the overall uniform decrease in temperature of the liquid for overheating tundish applies strong to liquidus temperature outside mozzle
Electromagnetic agitation, molten metal stream can obtain fully quickly cooling, number of nuclei be significantly increased, solidified structure is substantially refined, from
And tissue tiny metal semisolid blank slurry relatively can be obtained to a certain extent.In order to which the electromagnetism for carrying out strong is stirred
Mix, electromagnetic stirring equipment is huge, invest too high, and electromagnetic agitation power very big, efficiency is very low, it is very big therefore spherical to consume energy
Or the cost of granular primary crystal semi-solid-state metal continuous casting material is higher.
(3) plate technique (Chinese patent 200410009295.5 [P], 200710176134.9 [P], 02145565.5 are tilted
[P]).Under the conditions of non-stirred, the molten metal of slightly above liquidus temperature is poured on hang plate, due to the cooling of hang plate
Effect, tiny grain nucleation is had on hang plate and is grown up, and these crystal grain are rushed due to Gravitative Loads and molten metal fluid
Hit can from being come off on hang plate, overturn and fall into container, pass through rational control container temperature, you can be made containing certain solid
The semi solid slurry of phase volume fraction, followed by rheological molding and thixotropic forming.The technology is as straight used in tradition
Coldplate develops into corrugated swash plate and to tilting panel vibration, heating etc..The current technology be mainly used in aluminium alloy and
The preparation of magnesium alloy semisolid slurry.
(4) damper cooling tube method (numerical simulation study of the strong semi-solid magnesium alloys slurry preparations of Yang Hao and continuous casting and rolling process
[D], Ph.D. Dissertation, Beijing：Beijing Non-Ferrous Metal Research General Academy, 2006).The alloy in liquidus temperature above several years is melted
Body obtains preferable semi solid slurry, the semi solid slurry of acquisition by a damping cooling pipe using the damping stirring action of pipe
Material can directly carry out rheocasting or rheological molding, may be made as blank, continuous casting and rolling goes out AZ91D magnesium alloy boards at present.
But this method requires the liquidus temperature of the pouring temperature closely molten metal of molten metal, and this causes metal bath temperature
Control becomes very difficult；In addition, the equipment is complex, influence factor is more, and obtaining semi-solid alloy needs certain pressure
Grease head highness, i.e. melt liquid level must be highly stable, and specific liquid level is related to alloy and technological requirement, and experiment of still needing is tested
Card, this point is difficult control in an experiment, directly affects the application of such a method.
(5) strain inducing melt activating technology (Strain-induced melt Activation Process), referred to as
SIMA (U.S. Patent No. 4415374), is in addition to electromagnetic stirring method, to be commercially used for producing the another of semi solid slurry at present
The method of kind.The technology is that routine casting arborescent structure is carried out into crimp at high temperature, crushes arborescent structure, then apply enough
Cold deformation after, be heated to two-phase section.In heating process, alloy occurs recrystallization and forms subgrain and sub boundary first, with
Grain boundaries low melting point solute element mutually melts with low melting point afterwards, causes subsphaeroidal solid phase to be surrounded by low melting point liquid phase, forms half solid
State slurry.The technology has unique superiority to the Non dendritic Structure for preparing higher melt, has been applied successfully to not
The series such as rust steel, tool steel, copper alloy.But the method adds one of predeformation process, improves blank production cost, while it
Small dimension blank is only applicable to, direct forming part is also unable to.
(6) spray deposition (BP GB2172900A).By gas ejector by atomization of liquid metal be liquid
Drop, under gas injection effect, partially solidified metal particle is deposited on cooled target with semisolid.By rushing for semisolid particulate
Hit the enough shearing forces of generation and smash its internal dendrite, form non-dendritic structure.After reheated, obtain solid with spheric granules
The semi-solid metal slurry of phase.Current this method has application to industrial production, and crystallite dimension can be as small as 20 μm.But this method is produced
Cost is higher, is only applicable to some specialities.
(7) other methods.In addition to the above methods, also many pulping techniques are among research or development.Such as powder smelting
Jin Fa, i.e., be made up after ingot blank of PM technique, reheated to make the ingredient melting rear acquisition semi solid slurry of low melting point, this
The method of kind is particularly suitable for use in refractory alloy (Ti-Co).In addition, also turbulence effect method, grain refinement, ultrasonication method,
Shearing-cooling-rolling (Shearing-Cooling-Rolling), bending tube passage casting, passive paddling process etc..These
Method is in the laboratory research stage at present, has not been put to industrial production.
Utility model content
The purpose of this utility model is to provide that a kind of preparation efficiency is high, production cost is low, good product quality compound preparation
The device of semi solid slurry, to solve the problem of above-mentioned prior art is present so that molten metal can with relatively low cost input,
The quickly nascent crystalline substance of generation, and form the crystal grain of fine uniform.
To achieve the above object, the utility model provides following scheme：
The utility model provides a kind of compound device for preparing semi solid slurry, including voltage regulator, pulsed magnetic field hair
The magnet exciting coil, the steel pipe are wound with the outside of raw device, steel pipe, magnet exciting coil and angle of inclination adjusting bracket, the steel pipe
It is fixedly connected with the inclined plane of the angle of inclination adjusting bracket；The pulsed magnetic generator respectively with the magnet exciting coil and
The voltage regulator electrical connection, the pulse voltage of the voltage regulator regulation input pulsed magnetic generator；It is described
Molten metal in the both ends open of steel pipe, pony ladle enters the bore passage of the steel pipe by the higher-end opening of the steel pipe
In, become semi-solid metal and fall into the collection vessel below the relatively low end opening of the steel pipe.
It is preferred that, the diameter of bore of the steel pipe is 40~120mm, and length is 150~300mm.
It is preferred that, the angle of inclination of the angle of inclination adjusting bracket is 25 °~65 °, the pulsed magnetic generator
Pulse voltage is 0V~220V.
It is preferred that, the steel pipe is stainless steel tube.
The utility model provides also a kind of compound method for preparing semi-solid metal slurry, comprises the following steps：
Configuration furnace charge is carried out according to the composition of semi-solid alloy, and is melted and is refined in corresponding melting furnace, is obtained
To the molten metal of overheat；
Stainless steel tube is preheating to 100 DEG C~200 DEG C, in the surface paint of bore passage, inclination is then attached to
In the inclined plane of angle-adjusting bracket, required angle is arrived in regulation；
Startup power supply, is carried out in the range of 0V~220V by voltage regulator to the voltage of input pulse magnetic field generator
Regulation, pulsed magnetic generator applies pulsed magnetic field to stainless steel tube；
Over-heat metal liquid is poured into the bore passage of inclined stainless steel tube by pony ladle；Over-heat metal liquid is in bore passage
Flow process in, generation wash away and chilling action, while melt generates intense oscillations and right in the presence of pulsed magnetic field
Stream；
Over-heat metal liquid becomes semi-solid metal slurry after tilting tube passage, falls into and is arranged at below stainless steel tube
In collection vessel, semi-solid-state metal is formed as after the semi-solid metal slurry cooling.
It is preferred that, the semi-solid-state metal is aluminium alloy, magnesium alloy, kirsite, copper alloy, cast iron or cast steel.
It is preferred that, the degree of superheat interval of the over-heat metal liquid is 0~100 DEG C on metal liquidus curve.
The utility model achieves following beneficial effect relative to prior art：
Molten metal flows through the process for tilting bucket in a kind of compound device for preparing semi solid slurry that the utility model is provided
Middle addition pulsed magnetic field, on the one hand will suppress the precipitation of primary dendrite using strong electromagnetic induction power, and the cooling for tilting bucket is made
With can make a large amount of forming cores of molten metal, and play a part of heterogeneous forming core, form crystal grain；On the other hand, the process of inclined casting
In, molten metal can crush larger primary dendrite by larger impulsive force, form tiny primary grain, play nucleus
Proliferation function.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of the compound device for preparing semi solid slurry of the utility model；
Fig. 2 a are that the inclination angle of the compound device angle of inclination adjusting bracket for preparing semi solid slurry of the utility model is
30 °, the microscopic structure schematic diagram for the aluminium alloy semi-solid state blank that pulse voltage is prepared when being 200V；
Fig. 2 b are that the inclination angle of the compound device angle of inclination adjusting bracket for preparing semi solid slurry of the utility model is
45 °, the microscopic structure schematic diagram for the aluminium alloy semi-solid state blank that pulse voltage is prepared when being 200V；
Fig. 2 c are that the inclination angle of the compound device angle of inclination adjusting bracket for preparing semi solid slurry of the utility model is
60 °, the microscopic structure schematic diagram for the aluminium alloy semi-solid state blank that pulse voltage is prepared when being 200V；
Wherein, 1- voltage regulators, 2- pulsed magnetic generators, 3- steel pipes, 4- magnet exciting coils, 5- angles of inclination regulation branch
Frame, 6- pony ladles, 7- collection vessels, 8- molten metals.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The purpose of this utility model is to provide that a kind of preparation efficiency is high, production cost is low, good product quality compound preparation
The device of semi solid slurry, to solve the problem of above-mentioned prior art is present so that molten metal can with relatively low cost input,
The quickly nascent crystalline substance of generation, and form the crystal grain of fine uniform.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
As shown in figure 1, a kind of compound device for preparing semi solid slurry of the utility model offer, including voltage regulator 1,
Pulsed magnetic generator 2, steel pipe 3, magnet exciting coil 4 and angle of inclination adjusting bracket 5, the excitation wire in the outside winding of steel pipe 3
Circle 4, and the steel pipe 3 for winding magnet exciting coil 4 is fixedly connected with the inclined plane of angle of inclination adjusting bracket 5 so that steel pipe 3 and
Into certain angle of inclination between horizontal plane；Pulsed magnetic generator 2 respectively with the magnet exciting coil 4 and voltage-regulation on steel pipe 3
Device 1 is electrically connected, and adjusts the pulse voltage of input pulse magnetic field generator 2 by voltage regulator 1, and passes through 4 pairs of magnet exciting coil
Steel pipe 3 applies the pulsed magnetic field of some strength；The both ends open of steel pipe 3, is superheated to certain temperature by alloy melting and forms gold
Belong to liquid 8, using holding vessel, such as pony ladle 6, the molten metal 8 in pony ladle 6 is entered into steel pipe 3 by the higher-end opening of steel pipe 3
In bore passage, the flowing in inclination steel pipe 3 of molten metal 8 is washed away under the collective effect with electromagnetic viscosimeter, finally gives primary phase
For subsphaeroidal Non-dendrite structural semi-solid metal, the collection that Non-dendrite structural semi-solid metal is fallen into below the relatively low end opening of steel pipe 3 is held
In device 7.
The steel pipe 3 is stainless steel tube；The diameter of bore of the steel pipe 3 is 40~120mm, and length is 150~300mm；
The angle of inclination of the angle of inclination adjusting bracket 5 is 25 °~65 °, the pulse voltage of the pulsed magnetic generator 2 for 0V~
220V。
The utility model also provides a kind of compound method for preparing semi-solid metal slurry, comprises the following steps：
Configuration furnace charge is carried out according to the composition of semi-solid alloy, and is melted and is refined in corresponding melting furnace, is obtained
To the molten metal 8 of overheat；
Stainless steel tube is preheating to 100 DEG C~200 DEG C, in the surface paint of bore passage, inclination is then attached to
In the inclined plane of angle-adjusting bracket 5, required angle is arrived in regulation；
Startup power supply, is entered by voltage regulator 1 to the voltage of input pulse magnetic field generator 2 in the range of 0V~220V
Row regulation, pulsed magnetic generator 2 applies pulsed magnetic field to stainless steel tube；
Over-heat metal liquid 8 is poured into the bore passage of inclined stainless steel tube by pony ladle 6；Over-heat metal liquid 8 is in endoporus
In the flow process of passage, generation is washed away and chilling action, while melt generates intense oscillations in the presence of pulsed magnetic field
And convection current；
Over-heat metal liquid 8 becomes semi-solid metal slurry after tilting tube passage, falls into and is arranged at below stainless steel tube
Collection vessel 7 in, be formed as semi-solid-state metal after semi-solid metal slurry cooling.
The semi-solid-state metal is aluminium alloy, magnesium alloy, kirsite, copper alloy, cast iron or cast steel.
The degree of superheat interval of the over-heat metal liquid 8 is 0~100 DEG C on metal liquidus curve.
Molten metal 8 adds pulsed magnetic field in the utility model during flowing through tipping tube, on the one hand will utilize strongly
Electromagnetic induction power suppresses the precipitation of primary dendrite, and the cooling effect of tipping tube can make a large amount of forming cores of molten metal 8, and play heterogeneous
The effect of forming core, forms crystal grain；On the other hand, during inclined casting, molten metal 8 can by larger impulsive force, make compared with
Big primary dendrite is crushed, and is formed tiny primary grain, is played the proliferation function of nucleus.
Embodiment 1：
A kind of compound device for preparing semi solid slurry disclosed in the utility model and a kind of compound system more than
The semi solid slurry of ZL101 alloys is prepared in the method for standby semi-solid metal slurry, is comprised the following steps that：
(1) melting of ZL101 alloys will be carried out using crucible electrical resistance furnace, smelting temperature is 740 DEG C, and furnace charge all melts
Afterwards, refining agent C is added in 720 DEG C or so2Cl6Degasification is carried out, then temperature drop is poured into a mould at 670 DEG C.
(2) technological parameter is set：Stainless steel tube a diameter of 50mm, length 200mm, are preheated to 150 DEG C, inclination angle
Degree is respectively set to 30 °, 45 ° and 60 °, and pulse voltage is set to 200V pulsed magnetic field.
(3) over-heat metal liquid 8 is poured into inclined stainless steel tube passage by pony ladle 6, and the over-heat metal liquid 8 of flowing is inclining
Oblique stainless steel tube flowing produce it is certain washes away and chilling action, while melt is generated and shaken strongly in the presence of pulsed magnetic field
Swing and convection current.
Over-heat metal liquid 8 becomes semi-solid metal slurry by tilting the passage of stainless steel tube, falls into cold in collection vessel 7
But it is semi-solid-state metal afterwards.
Wherein, Fig. 2 a, 2b, 2c is respectively to be adjusted using the compound device for preparing semi solid slurry of the present embodiment at angle of inclination
The inclination angle for saving support is 30 °, 45 ° and 60 °, the semi solid slurry for the ZL101 alloys that pulse voltage is obtained when being fixed value 200V
The microscopic structure schematic diagram of material, becomes larger with the inclination angle of angle of inclination adjusting bracket so that in the mistake of inclined casting
Cheng Zhong, the impulsive force that molten metal 8 is subject to becomes larger, and the primary grain of formation is more tiny, uniform.
Apply specific case in this specification to be set forth principle of the present utility model and embodiment, the above is real
The explanation for applying example is only intended to help and understands method of the present utility model and its core concept；Simultaneously for the general of this area
Technical staff, according to thought of the present utility model, will change in specific embodiments and applications.To sum up institute
State, this specification content should not be construed as to limitation of the present utility model.
Claims (4)
1. a kind of compound device for preparing semi solid slurry, it is characterised in that including voltage regulator, pulsed magnetic generator,
Be wound with the magnet exciting coil on the outside of steel pipe, magnet exciting coil and angle of inclination adjusting bracket, the steel pipe, the steel pipe with it is described
The inclined plane of angle of inclination adjusting bracket is fixedly connected；The pulsed magnetic generator respectively with the magnet exciting coil and the electricity
Press adjuster electrical connection, the pulse voltage of the voltage regulator regulation input pulsed magnetic generator；The steel pipe
Molten metal in both ends open, pony ladle is entered in the bore passage of the steel pipe by the higher-end opening of the steel pipe, is become
Semi-solid metal is fallen into the collection vessel below the relatively low end opening of the steel pipe.
2. a kind of compound device for preparing semi solid slurry according to claim 1, it is characterised in that the steel pipe it is interior
Bore dia is 40~120mm, and length is 150~300mm.
3. a kind of compound device for preparing semi solid slurry according to claim 1, it is characterised in that the angle of inclination
The angle of inclination of adjusting bracket is 25 °~65 °, and the pulse voltage of the pulsed magnetic generator is 0V~220V.
4. a kind of compound device for preparing semi solid slurry according to claim 1, it is characterised in that the steel pipe is not
Become rusty steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621473525.8U CN206425510U (en) | 2016-12-30 | 2016-12-30 | A kind of compound device for preparing semi solid slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621473525.8U CN206425510U (en) | 2016-12-30 | 2016-12-30 | A kind of compound device for preparing semi solid slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206425510U true CN206425510U (en) | 2017-08-22 |
Family
ID=59585986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621473525.8U Expired - Fee Related CN206425510U (en) | 2016-12-30 | 2016-12-30 | A kind of compound device for preparing semi solid slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206425510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106890962A (en) * | 2016-12-30 | 2017-06-27 | 南昌航空大学 | A kind of compound method and device for preparing semi solid slurry |
-
2016
- 2016-12-30 CN CN201621473525.8U patent/CN206425510U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106890962A (en) * | 2016-12-30 | 2017-06-27 | 南昌航空大学 | A kind of compound method and device for preparing semi solid slurry |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100566890C (en) | A kind of preparation of semi-solid alloy slurry and the equipment of rheoforging | |
| CN103600045B (en) | The metal continuous cast technique that electromagnetic exciting composite machine stirs and device for casting of metal | |
| CN101157125B (en) | A method and apparatus for processing metallic material within complex magnetic field | |
| CN102409188B (en) | Method for preparing semisolid alloy through centrifuging and chilling | |
| Zheng et al. | Effect of pouring temperature on semi-solid slurry of A356 Al alloy prepared by weak electromagnetic stirring | |
| KR20050008442A (en) | Apparatus for producing a semi-solid metallic slurry | |
| KR100436118B1 (en) | Apparatus for producing a semi-solid metallic slurry | |
| CN101804446A (en) | Method and device for preparing semi-solid metal slurry by alternating magnetic field intensifying, overflowing and cooling | |
| CN100337772C (en) | Composite electromagnetic stirring process of preparing semi-solid metal slurry continuously | |
| CN106890962A (en) | A kind of compound method and device for preparing semi solid slurry | |
| CN102358922B (en) | Light alloy semi-solid slurry preparation device | |
| BAI et al. | Annulus electromagnetic stirring for preparing semisolid A357 aluminum alloy slurry | |
| CN102240796B (en) | Semisolid alloy forming process and forming device used by same | |
| KR200320004Y1 (en) | Apparatus for producing a semi-solid metallic slurry | |
| CN100531966C (en) | Production and apparatus for preparing non-dendritic and semi-solid alloy by low-voltage pulse electric field | |
| Guanglei et al. | Annular electromagnetic stirring—a new method for the production of semi-solid A357 aluminum alloy slurry | |
| CN206425510U (en) | A kind of compound device for preparing semi solid slurry | |
| CN100574939C (en) | A kind of preparation of semi-solid alloy slurry and shaped device | |
| CN101579723B (en) | Method for preparing semi-solid state slurry by pouring channel self-stirring technology and device therefor | |
| CN1208152C (en) | High-smelting point thixotropic metal bland and composite material intermittent preparing process and apparatus | |
| CN1163328C (en) | Process for preparing semi-solid metallic grout | |
| Guo et al. | Continuous fabrication of sound semi-solid slurry for rheoforming | |
| CN210908017U (en) | Electromagnetic multi-cyclone stirring casting device | |
| CN108774694B (en) | From the preparation method of inovulant and preparation method thereof and hypoeutectic al-si alloy semi solid slurry | |
| Cheng et al. | Effect of process parameters on the microstructure of semi-solid ZL101 aluminum alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20171230 |