CN206139790U - Compound electromagnetic pulse solidification structure processing apparatus of super duralumin casting - Google Patents
Compound electromagnetic pulse solidification structure processing apparatus of super duralumin casting Download PDFInfo
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- CN206139790U CN206139790U CN201621210183.0U CN201621210183U CN206139790U CN 206139790 U CN206139790 U CN 206139790U CN 201621210183 U CN201621210183 U CN 201621210183U CN 206139790 U CN206139790 U CN 206139790U
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Abstract
The utility model discloses a compound electromagnetic pulse solidification structure processing apparatus of super duralumin casting, including metal mold, the electromagnetic pulse of limit portion device, top electromagnetic pulse device, the inner chamber of metal mold is used for placing the fuse -element, the lateral wall of metal mold includes skin and inlayer, form the water -cooling cavity between skin and the inlayer, water -cooling cavity bottom is equipped with the cooling water inlet, the top is equipped with the coolant outlet, the electromagnetic pulse of limit portion device set up in the metal mold outer wall, top electromagnetic pulse unit bit in directly over the inner chamber of metal mold. The utility model discloses compound electromagnetic pulse solidification structure processing apparatus of super duralumin casting makes electromagnetic energy infiltration maximize in the fuse -element, evenly preheats the metal mold reaching, and when improving the slab solidifying super -cooled rate, the electromagnetic energy impels special thick foundry goods core tissue to refine more evenly.
Description
Technical field
The utility model is related to a kind of casting device, and more particularly to one kind preheated metallic type and can improve cast sturcture's property
The superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of energy.
Background technology
Superduralumin is one of maximum aluminium alloy of current development potentiality, because it has intensity (high equivalent to super-strength steel
Up to 680Mpa), and it is lightweight the features such as, be widely used in making aircraft skin, rib, undercarriage etc..But due to superhard
The casting original structure stability of aluminium is not high, Low Cycle Fatigue Strength difference the shortcomings of, greatly limit its making in special equipment
With.Generally by casting acquisition, whether casting method and technique are appropriately directly connected to the quality of ingot quality to superhard aluminum component.
Permanent mold casting integrated member production in have be not required to good moulding, heat conduction and recovery electric heating system, high precision, fineness
It is high, the features such as rate of metal is high, but its chilling action is big, the porosity is larger, complicated casting mold uneven microstructure, without deformability,
Gas permeability, to be also easy to produce the defects such as cold shut and misrun be a difficult problem at present urgently to be resolved hurrily.Due to the thermal resistance of cast iron it is more much larger than copper,
So general continuous cast mold Cu crystallizer, makes molten metal quickly cool down, while Cu crystallizer can make aluminium casting size more
Become more meticulous.Ensure hot investment casting while, inside workpiece tissue, composition be also affect its stable mechanical property it is important because
Element.Degree of supercooling increase can effective crystal grain thinning, increase nucleation rate.It is passed through recirculated water in metal mold to ensure to force cooling, can
To be obviously improved ingot quality, if not preheated, casting mold is subject to strong thermal shock during casting, and internal stress is doubled, while light casting
Easily there is cold shut phenomenon.Generally first metal mold is preheated to improve above-mentioned condition, conventional metals type pre-heating mean has：Combustion gas is pre-
Heat, electrical heating, heating furnace preheating etc., said method easily occurs that temperature drop after heating is big, heat uneven, preheating temperature is difficult to steady
Situations such as control, and heating the cold shut phenomenon of the uneven foundry goods strip for causing, to improve process by heat patching method very complicated,
The also excessive foundry goods center portion of thickness is changed greatly with quality of edges, there are problems that tissue looseness, pore.
Utility model content
The purpose of this utility model is to provide a kind of superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss, to solve
The problem that certainly above-mentioned prior art is present, it can make the electromagnetic energy in melt penetrate into maximization, in uniform preheated metallic type, carry
While high casting blank solidification degree of supercooling, formula is compensated to melt core structure by electromagnetic energy and is processed, promote the special thickness foundry goods heart
Portion's structure refinement evenly, obtains high-quality, high accuracy ingot casting.
For achieving the above object, the utility model provides following scheme：A kind of pulse of superhard aluminum casting composite electromagnetic is coagulated
Gu tissue treatment apparatus, including metal mold, edge electromagnetic pulse device, top electromagnetic pulse device, the inner chamber of the metal mold
For placing melt, the side wall of the metal mold includes outer layer and internal layer, and water-cooled cavity, institute are formed between the outer layer and internal layer
State water-cooled cavity bottom and be provided with cooling water inlet, top and be provided with coolant outlet, the edge electromagnetic pulse device is arranged at institute
Metal mold outer wall is stated, the top electromagnetic pulse device is located at directly over the inner chamber of the metal mold.
The superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model, wherein, the edge electromagnetism arteries and veins
Flushing device includes edge coil, external iron core, and the edge coil is wound on the outer layer of metal mold side wall, and adjacent two circle
Mutually insulated between edge coil, the external iron core sleeve outside the edge coil, per circle edge coil and the metal mold
Between the outer layer of side wall and per mutually insulating between circle edge coil and the external iron core.
The superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model, wherein, the side of the metal mold
The outer layer of wall, edge coil, cooling water inlet, it is connected to temperature sensor on coolant outlet.
The superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model, wherein, the metal mold work
Wall thickness H=D/50, D are the diameter (cm) of ingot casting melt in the metal mold.
The superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model, wherein, metal mold side wall
Internal layer on be provided with and be fixed with several fin, the metal mold and the fin are made of copper.
The superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model, wherein, it is described per circle edge line
Insulating ceramic fiber is set between circle and the outer layer of metal mold side wall.
The superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model, wherein, the top electromagnetism arteries and veins
Flushing device includes built-in iron core, top winding, shell, and the top winding is wound in the built-in iron core, the top winding,
Built-in iron core is respectively positioned on the inside the shell, mutually insulated between top winding described in adjacent two circle, the top winding with it is described
Mutually insulate between built-in iron core and the shell.
The superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model, wherein, the edge coil, top
Portion's coil is the tubular hollow copper coil of helical turned to by high temperature lacquer envelope curve, leads to cold in the middle cavity of the hollow copper coil
But water, the edge coil, top winding are driven by the pulse power of same frequency.
The superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model, wherein, the built-in iron core
, near melt, the end of the built-in iron core diameter small end is away from 10～20mm of bath surface for diameter small end.
Due to the side wall bag of the metal mold of the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model
Outer layer and internal layer are included, water-cooled cavity is formed between outer layer and internal layer, and edge electromagnetic pulse device is located at metal mold outer wall, top
Portion's electromagnetic pulse device is located at directly over the inner chamber of metal mold, and edge electromagnetic pulse device had not only been used to heat metal mold but also for arteries and veins
Punching processes molten metal solidified structure, effectively reduces metal mold preheating cost and metal mold is preheated evenly, reduces because of metal mold
The uneven casting defect brought of preheating, and extend metal mold service life, using edge electromagnetic pulse device, top electromagnetism arteries and veins
The composite pulse of flushing device composition acts on melt, and the electromagnetic energy of composite pulse device is compensated at formula to melt core structure
Reason, makes melt core structure reach the effect that crystal grain is uniformly refined, and obtains high-quality, high accuracy ingot casting.
In addition, electromagnetic pulse acts on metal mold, metal mold inside is set itself to produce vortex flow, so as to reach the effect of heating
Really, metal mold homogeneous heating is made, benefit temp effect is good, and can be easy to use with heating.
Further, fin is set in metal mold, the area of dissipation of metal mold can be increased, increase metal bath degree of supercooling, then
With reference to electromagnetic pulse process, it is possible to obtain the tissue of crystal grain more fine uniform, metal mold, fin are made of copper, on the one hand
Hot investment casting requirement is can ensure that, on the other hand, because the material behavior of copper is satisfactory electrical conductivity, low magnetic conductivity, it is well led
Electrically ensure to form vortex in metal mold, and then sensing heating is carried out to it, and to disturbing less in magnetic field infiltration melt, protect
Card pulsed magnetic field is acted on the magnetic energy of metal liquid, increases penetration depth of the magnetic field to melt, reaches the work of uniform crystal grain thinning
With.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for the accompanying drawing to be used 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 be with basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the entirety sectional view of the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model；
Fig. 2 is the vertical view of the metal mold of the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model
Figure；
Fig. 3 is the electromagnetic pulse produced by the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model
Oscillogram；
Fig. 4 is induced electricity in the metal mold of the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model
Stream numerical simulation calculation polar plot；
Fig. 5 is to produce in the melt in the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model
Induced field polar plot；
Fig. 6 for the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model melt in produce electricity
Magnetic force vector figure；
Fig. 7 is metal mold in the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model to magnetic induction
The influence curve of intensity；
Fig. 8 is Distribution of Magnetic Field in the melt of the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model
Situation；
Fig. 9 is under the different current excitations of the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss of the utility model
The impact of distribution is indexed to solution；
Figure 10 is impact of the electromagnetic energy to critical Gibbs free energy；
Figure 11 is instantaneous magnetic energy production in solution under different electric currents；
Figure 12 is the ingot quality contrast obtained using electromagnetism preheated metallic type and non-preheated metallic type；
Figure 13 rushes magnetic field and processes and the superduralumin 7A04 alloy grain thinning effects pair without pulse magnetic field treatment for passages through which vital energy circulates
Than.
Description of reference numerals：Metal mold 11, edge electromagnetic pulse device 12, top electromagnetic pulse device 13, cooling water enter
Mouth 113, coolant outlet 114, edge coil 121, external iron core 122, fin 115, built-in iron core 131, top winding
132nd, shell 133.
Specific 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 for being obtained, belongs to the scope of the utility model protection.
It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
The utility model provides a kind of superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss, as shown in figure 1, bag
Metal mold 11, edge electromagnetic pulse device 12, top electromagnetic pulse device 13 are included, metal mold 11 is made of copper, the work of metal mold 11
Make wall thickness H=D/50, D is the diameter (cm) of ingot casting melt in metal mold 11, on the one hand be can ensure that using copper metal mold
Hot investment casting requires that on the other hand, because the material behavior of copper is satisfactory electrical conductivity, low magnetic conductivity, its satisfactory electrical conductivity ensures
Vortex is formed in metal mold, and then sensing heating is carried out to it, and to disturbing less in magnetic field infiltration melt, it is ensured that pulsed magnetic
Field is acted on the magnetic energy of metal liquid, increases penetration depth of the magnetic field to melt, the effect of homogenization crystal grain is reached, while metal
The thickness increase of type 11 can be further ensured that heating effect；The inner chamber 111 of metal mold 11 is used to place melt, the side of metal mold 11
Wall includes outer layer and internal layer, and water-cooled cavity 112 is formed between outer layer and internal layer, and the bottom of water-cooled cavity 112 is provided with cooling water inlet
113rd, top is provided with coolant outlet 114, and cooling water inlet 113, coolant outlet 114 are all connected to cooling water source, make cooling
In the interior circulation of water-cooled cavity 112, edge electromagnetic pulse device 12 is arranged at the outer wall of metal mold 11 to water, top electromagnetic pulse device 13
Directly over the inner chamber 111 of metal mold 11.
Edge electromagnetic pulse device 12 includes edge coil 121, external iron core 122, and external iron core 122 is by ferrimagnet
Process, iron core wall thickness is 5～20mm, edge coil 121 is wound on the outer layer of the side wall of metal mold 11, and adjacent two circles edge
Mutually insulated between coil 121, external iron core 122 is enclosed within outside edge coil 121, per circle edge coil 121 and the side of metal mold 11
Mutually insulate between the outer layer of wall and between every circle edge coil 121 and external iron core 122.
Temperature sensor is connected on the outer layer of the side wall of metal mold 11, edge coil 121, for showing work temperature
Degree, on cooling water inlet 113, coolant outlet 114 temperature sensor is connected to, to calculate hot-fluid purpose, control knot
Brilliant temperature.
Be fixed with several fin 115 being made of copper on the internal layer of the side wall of metal mold 11, adjacent two fin 115 it
Between spacing it is equal.
It is all provided between the outer layer of edge coil 121 and the side wall of metal mold 11 and between edge coil 121 and external iron core 122
Insulating ceramic fiber is put, for heat-insulated, insulation, insulation.
Including built-in iron core 131, top winding 132, shell 133, built-in iron core 131 is iron to top electromagnetic pulse device 13
The T-shaped solid cylinder structure that magnetic material is processed, top winding 132 is wound in built-in iron core 131, top winding 132, interior
Put iron core 131 to be respectively positioned in shell 133, mutually insulated between adjacent two circles top winding 132, top winding 132 and built-in iron
Pass through insulating ceramic fiber mutually insulated between core 131 and shell 133.
Above-mentioned edge coil 121, top winding 132 are hollow copper coil, and hollow copper coil is by high temperature enamel-covered wire coiling
It is tubular into helical, driven by the pulse power, it is ensured that magnetomotive force Fm=NI=7000A, load pulses waveform is using zig-zag point
End pulse current, frequency is less than 55Hz, is documented, and the induced field for making melt center portion reaches 1000Gs, you can reach good
Good structure property index, edge electromagnetic pulse processing meanss use pulse current 100A, spread all over 5 layers of coil winding, per layer 14
Circle, altogether 70 circle, leads to cooling water in middle cavity, and the absolute distance between edge coil 121 and the side wall of metal mold 11 is maintained at
Between 10～100mm, larger magnetic loss is easily caused away from too far away, distance is closely an impediment to very much cooling water circulation in metal mold 11；
Top electromagnetic pulse processing meanss use pulse current 100A, 7 layers of 132 coiling of top winding, per layer of 6 circle, altogether 42 circle, top
Electromagnetic pulse device is located at directly over melt, and the diameter small end of built-in iron core 131 is near melt, away from bath surface 10～
20mm, is relatively large in diameter end away from melt.
Closed using the superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss casting 7A04 superduralumins of the utility model
The method of gold, including following processes：
(1) two ends of above-mentioned edge coil 121, top winding 132 are connected to into the two poles of the earth of the pulse power, and
Connection cooling water in the middle cavity of edge coil 121, top winding 132 is made, the current pulse of edge coil 121, edge line is made
The external iron core 122 of the excitation of circle 121 produces pulsed magnetic field, starts to carry out metal mold 11 the pre-heat treatment, and pulse frequency is controlled 15
～55Hz, current control can effectively improve operating efficiency in 50～100A or so, and its pulse output is as shown in figure 3, duty cycle alpha T
20～50% are set to,
(2) (degree of superheat is higher than when metal mold 11 reaches target temperature simultaneously 7A04 extra super duralumin alloys reach cast temperature
100 DEG C), metal bath is poured into, after target preheating temperature to be achieved, after adjusting appropriate crystal grain refinement pulse power parameters, make
The current pulse of top winding 132, the magnetic field that top electromagnetic pulse device 13, edge electromagnetic pulse device 12 is produced acts on simultaneously
Inside melt, action time continues 1～5 minute, and the solidified structure crystal grain refinement generation to melt is acted on,
(3) when below melt cooling to solid liquid phase temperature, the cooling water in the water-cooled cavity 112 of metal mold 11 is opened, and is made
Melt is quickly cooled down, and as shown in figure 12, the institute of the metal mold after preheating is less into the defect of ingot casting for the quality versus of ingot casting, and passages through which vital energy circulates is rushed
Magnetic field is processed and as shown in figure 13, the passages through which vital energy circulates punching without the grain refining effect contrast of the 7A04 extra super duralumin alloys of pulse magnetic field treatment
The crystal grain refinement of the 7A04 extra super duralumin alloys that magnetic field is processed is evenly.
When being illustrated in figure 4 edge electromagnetic pulse 12 preheated metallic type 11 of device, the work wall and edge line of metal mold 11
Current density figure (the unit of circle 121：A), this figure show edge coil 121 be 70 circles (5 × 14 circle) when, 100A electric currents, frequency
The current density of 15Hz, it is seen that metal mold made of copper 11 work wall induced currents it is in opposite direction with loading current, have electric current and
Joule heat can be produced.
It is illustrated in figure 5 metal mold 11 and preheats and pour into melt, when electromagnetic pulse process is carried out to melt, the magnetic in melt
Induction (unit：T).Early-stage Study result confirms to need magnetic induction intensity to reach 0.1T (1000Gs) i.e. to crystal grain refinement
And even tissue has good effect, the magnetic induction intensity that this method acts on melt center portion is larger, and edge is less, can supplement
The little problem of melt center portion degree of supercooling, reaches ideal design index.
Is illustrated in figure 6 melt is carried out electromagnetic pulse process when, the distribution of electromagnetic force (unit in melt：N).In magnetic energy
On the basis of infiltration, the electromagnetic force for pointing to center portion is produced to crystal grain, squeezing action is applied to melt crystal grain, limit its row of growing up
For with good Grain Refinement Effect.Be illustrated in figure 7 with metal mold and the magnetic induction intensity surveyed without metal mold with
The situation of change of electric current, it is found that metal mold has to magnetic induction intensity and slightly decay, but is not enough to affect the pulse to inner melt
Function influence, so magnetic field impulse can be realized normally.
Fig. 8～Figure 11 is to carry out the reason of pulse magnetic field treatment Grain Refinement for the ingot casting of φ 60 and big cross section
By foundation, Fig. 8 changes according to the melt radial magnetic field profile under different exciting currents, by magnetic fluctuation and steady situation, by magnetic
Field is roughly divided into edge induced field and center portion induced field.Edge group mainly produces heterogeneous forming core by dendrite fragmentation, while root
According to the temperature distribution history of Fig. 9 by controlling cooling water inflow controlling degree of supercooling, temperature curve by temperature sensor measurement, so
Edging tissue reaches crystal grain refinement and is relatively easy to.But core structure degree of supercooling is less, and electromagnetic force is also less, it is extremely difficult to refine mesh
's.In relatively low degree of supercooling, electromagnetic energy is reduced to homogeneous nucleation, critical nuclei, Gibbs free energy nucleating work according to Figure 10
Measure to reach grain refining effect, show in figure, within 5 DEG C, 100A pulsed magnetic fields can increase nucleation rate to degree of supercooling substantially,
The shortcoming not enough to make up degree of supercooling, so in order to reach uniform thinning effect, Fig. 9 Temperature Distributions and Figure 10 should be examined comprehensively
Consider, i.e., cooling water inflow and magnetic field mechanism electric current should be matched.And Figure 11 is the electromagnetic energy total amount that exciting current is produced.And metal mold
Interior logical cooling water cooling primarily to offset decrease of the sensing heating to metal mold degree of supercooling when melt solidifies, while controlling
Cold degree.
Apply specific case in the utility model to be set forth principle of the present utility model and embodiment, the above
The explanation of embodiment is only intended to help and understands method of the present utility model and its core concept；Simultaneously for the one of this area
As technical staff, according to thought of the present utility model, will change in specific embodiments and applications.To sum up
Described, this specification content should not be construed as to restriction of the present utility model.
Claims (9)
1. a kind of superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss, it is characterised in that：Including metal mold (11), side
Portion's electromagnetic pulse device (12), top electromagnetic pulse device (13), the inner chamber (111) of the metal mold (11) is molten for placing
Body, the side wall of the metal mold (11) includes outer layer and internal layer, and water-cooled cavity (112), institute are formed between the outer layer and internal layer
State water-cooled cavity (112) bottom and be provided with cooling water inlet (113), top and be provided with coolant outlet (114), the edge electromagnetism arteries and veins
Flushing device (12) is arranged at the metal mold (11) outer wall, and the top electromagnetic pulse device (13) is positioned at the metal mold (11)
Inner chamber (111) directly over.
2. superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss according to claim 1, it is characterised in that：Institute
Edge electromagnetic pulse device (12) is stated including edge coil (121), external iron core (122), the edge coil (121) is wound on institute
State mutually insulated between the outer layer of metal mold (11) side wall, and adjacent two circles edge coil (121), the external iron core
(122) the edge coil (121) is enclosed within outward, per between circle edge coil (121) and the outer layer of the metal mold (11) side wall
And often mutually insulate between circle edge coil (121) and the external iron core (122).
3. superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss according to claim 2, it is characterised in that：Institute
State the outer layer of the side wall of metal mold (11), edge coil (121), cooling water inlet (113), on coolant outlet (114) respectively
It is connected with temperature sensor.
4. superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss according to claim 1, it is characterised in that：Institute
Metal mold (11) work wall thickness H=D/50 is stated, D is the diameter (cm) of the interior ingot casting melt of the metal mold (11).
5. superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss according to claim 1, it is characterised in that：Institute
Be provided with the internal layer for stating metal mold (11) side wall and be fixed with several fin (115), the metal mold (11) and it is described dissipate
Backing (115) is made of copper.
6. superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss according to claim 2, it is characterised in that：Institute
State and be respectively provided with insulating ceramic fiber between every circle edge coil (121) and the outer layer of the metal mold (11) side wall.
7. superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss according to claim 2, it is characterised in that：Institute
Top electromagnetic pulse device (13) is stated including built-in iron core (131), top winding (132), shell (133), the top winding
(132) it is wound in the built-in iron core (131), the top winding (132), built-in iron core (131) are respectively positioned on the shell
(133) in, mutually insulated between top winding (132) described in adjacent two circle, the top winding (132) and the built-in iron core
(131) and between the shell (133) mutually insulate.
8. superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss according to claim 7, it is characterised in that：Institute
It is the tubular hollow copper coil of helical turned to by high temperature lacquer envelope curve to state edge coil (121), top winding (132), described
In the middle cavity of hollow copper coil lead to cooling water, the edge coil (121), top winding (132) by same frequency pulse
Power drives.
9. superhard aluminum casting composite electromagnetic pulse solidified structure processing meanss according to claim 7, it is characterised in that：Institute
The diameter small end of built-in iron core (131) is stated near melt, the end of built-in iron core (131) the diameter small end is away from melt table
10～20mm of face.
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| CN201621210183.0U CN206139790U (en) | 2016-11-10 | 2016-11-10 | Compound electromagnetic pulse solidification structure processing apparatus of super duralumin casting |
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|---|---|---|---|
| CN201621210183.0U CN206139790U (en) | 2016-11-10 | 2016-11-10 | Compound electromagnetic pulse solidification structure processing apparatus of super duralumin casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424567A (en) * | 2016-11-10 | 2017-02-22 | 内蒙古科技大学 | Composite electromagnetic pulse solidification structure treatment device and method for casting of ultralumin |
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2016
- 2016-11-10 CN CN201621210183.0U patent/CN206139790U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424567A (en) * | 2016-11-10 | 2017-02-22 | 内蒙古科技大学 | Composite electromagnetic pulse solidification structure treatment device and method for casting of ultralumin |
| CN106424567B (en) * | 2016-11-10 | 2018-05-04 | 内蒙古科技大学 | Superhard aluminum casting composite electromagnetic pulse solidified structure processing unit and method |
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