CN108546892A - A kind of electromagnetic pulse forming device and method of aluminum base carbon fiber enhancing composite material - Google Patents
A kind of electromagnetic pulse forming device and method of aluminum base carbon fiber enhancing composite material Download PDFInfo
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- CN108546892A CN108546892A CN201810512776.XA CN201810512776A CN108546892A CN 108546892 A CN108546892 A CN 108546892A CN 201810512776 A CN201810512776 A CN 201810512776A CN 108546892 A CN108546892 A CN 108546892A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/06—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/04—Light metals
- C22C49/06—Aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
Abstract
The invention discloses the electromagnetic pulse forming device and methods that a kind of aluminum base carbon fiber enhances composite material, including vessels crucible, crucible fixing device and carbon cloth, vessels crucible is fixedly arranged on crucible fixing device, carbon cloth is set to the middle part of vessels crucible, the both sides of vessels crucible are both provided with coil, the inner cavity of vessels crucible is loaded with metallic aluminium or aluminium alloy melt, and two coils are distributed in the both sides of carbon cloth.The generation for effectively slowing down interfacial brittle phase improves the performance of composite material, and fiber is not easily susceptible to pressure destruction, improves the forming quality of composite material, greatly shorten the period of forming, production efficiency is made to improve, be more suitable for producing in enormous quantities.
Description
Technical field
The present invention relates to metal-base composites technical field of processing equipment, and in particular to a kind of aluminum base carbon fiber enhancing is multiple
The electromagnetic pulse forming device and method of condensation material.
Background technology
With the development of modern science and technology, the metal material of single performance cannot meet actual market demand, develop comprehensive
Close the hot spot that the better metal-base composites of performance is always scientific research.Metal-base composites (Metal Matrix
Composite, MMC) it is using the second phase with excellent properties as reinforcement, using simple metal or its alloy as basis material
Composite material.Existing way of the reinforcement in metal-base composites can be divided into particle enhancing, short fiber reinforced and company at present
Three kinds of forms of continuous enhancing.Metal-base composites combines the plasticity and toughness of metal, at the same gathered reinforcement have it is excellent
It is anisotropic can, compensate for the constraint of metal material single performance, meet modern development in science and technology for material property proposes newly
It is required that.MMC newly developed is also widely used in the every field such as space flight and aviation, auto industry, electron-optical, Leisure Sport, at
For the new material with scientific research value and market prospects.
For metal-base composites research initially in the 1960s, univ cambridge uk Materials Research Laboratories
A.Kelly and W.R.Tyson has developed carbon fiber reinforced aluminum matrix composite (Cf/Al composite materials).And fiber reinforcement aluminium base
Composite material is one kind that comprehensive performance is the most prominent and most the market demand in the research of metal-base composites.Carbon fiber
Dimension enhancing metal-base composites can be directed to different use environments, choose different basis materials, reinforcement and reinforcement
Form.Wherein continuously enhancing metal-base composites have can high-temperature operation, radioresistance and fire prevention, non-hygroscopic, not aging, do not put
The advantage of all various aspects such as gas, good conductivity, good heat conductivity.Metal currently used for composite material has aluminium, copper, titanium, nickel etc.,
Since aluminium alloy has the good comprehensive performances such as fracture toughness height, mobility is relatively high, is combined into fibre gap filling
Type ability is strong and corrosion resistance is good, and density is low, is one of the optimal selection of current material lightweight trend.As reinforced phase
Fiber has boron fibre, silicon carbide fibre, carbon fiber and wire fibers etc., boron fibre, silicon carbide fibre the big (100- of diameter
150 μm), composite performance is good, and composite material preparation process is simple, but fiber prepares difficulty, expensive；Carbon fiber can at present
Accomplish that diameter is very small, only several microns, output is big, at low cost, and the carbon fiber of this diameter very little has compared to general fibre
There are high specific strength and specific stiffness, ultimate strength to have reached 7000-8000MPa, tensile strength can reach the two of common carbon fibers
Times or more, extensibility 2%, modulus reaches as high as 300GPa, therefore can become the optimal selection of fiber reinforcement phase.Market uses
Highest rate is exactly continuous carbon fibre reinforced aluminum matrix composites, and aluminum matrix composite has density small, and anti-fatigue performance is good, compares
The excellent properties such as intensity is good, specific modulus is high, shock resistance is good, wear-resisting and coefficient of thermal expansion is small, meet modern industry light weight
The demand of change, thus it is widely used in aerospace, auto industry, electronics industry, it can be used for making Aerospace structural material, aircraft
Parts, auto parts and components, microwave circuit, microelectronic packaging material etc., be develop at present best metal-base composites it
One.
The currently used preparation method of Cf/Al composite materials can be classified as solid state process and liquid phase process.Solid state process refers to enhancing
Mutually and solid metallic matrix is compound is prepared into composite material, but process costs are too high, and the requirement for equipment is too high, mainly has
Powder metallurgic method, diffusion bonding method etc..Liquid phase process refers to reinforced phase and molten matrix metal is compound is prepared into composite material, mainly
There are squeeze casting method, aging Fabricated by Vacuum Preesure Infiltration Casting method, pressure-free impregnation method etc..Also a lot of other manufacturing technologies, such as in-situ authigenic is at method, object
Physical vapor deposition method, chemical plating and the methods of plating and Composite Coatings, since it is mainly for the preparation of particle enhancing and staple fiber
The preparation of composite material as reinforced phase, is not suitable for continuous carbon fibre.Since the preparation process of Cf/Al composite materials is multiple
Miscellaneous, the period is long, of high cost, and efficiency is low, and the compatibility of carbon fiber and molten aluminum matrix is very poor, while carbon fiber and aluminium are on boundary
It easily reacts under high temperature at face, generates AlC series compounds, accumulated in interface, stress concentration is formed when receiving external force,
Destroy the mechanical performance of material, while complicated technique industry limits the structure and size of product, can only be used as manufacture compared with
The composite material of structural features, therefore low cost is researched and developed, efficient, the simple Cf/Al composite materials of technical process are to study at present
Emphasis.
Electro-magnetic forming is a kind of high energy rate forming method, using pulsed magnetic field and its generated in workpiece induced current (
Claim " vortex ") interact the Lorentz force generated, and it is a kind of high-speed processing method of metal rapid shaping.Meanwhile it is this
Effect can also be happened on high-temperature fusant, and the pulsed magnetic field generated using electromagnetic forming machine is interacted with conductive melt, will
A large amount of energy acts on melt, so that molten aluminum is penetrated into carbon fiber mesh, reaches the good combination at interface.
In conclusion aluminum matrix composite has density small, anti-fatigue performance is good, specific strength is good, specific modulus is high, shock resistance
The excellent properties such as performance is good, wear-resisting and coefficient of thermal expansion is small, have broad application prospects, however existing aluminum base carbon fiber is multiple
Condensation material manufacturing process Presence of an interface reacts not easy to control, fibre damage or manufacturing cost height, equipment and complex process etc. and lacks
Point.The present invention using electromagnetic forming technique come solve Cf/Al composite materials prepare present on problem, propose a kind of electromagnetic pulse
The method and device of forming aluminum base carbon fibre reinforced composite.This method curring time is extremely short, solves pressure sintering and needs to grow
Time pressurize, the not high problem of production efficiency；Since molten aluminum and carbon fiber time of contact are short, alleviate present in casting die
Interfacial reaction problem；This method only needs electro-magnetic forming equipment and heating furnace, technique and equipment cost to compare vacuum pressure infiltration method
It is low, the Cf/Al composite materials that performance meets the market demand can be prepared by setting to tooling and technique adjustment, improve life
Efficiency is produced, automated production is easy to implement, it is environmentally protective, there is broad prospect of application.
Invention content
The technical problem to be solved by the present invention is in view of the foregoing defects the prior art has, provide a kind of aluminium base carbon
The electromagnetic pulse forming device and method of fibre reinforced composites, the generation for effectively slowing down interfacial brittle phase improve composite wood
The performance of material, fiber are not easily susceptible to pressure destruction, improve the forming quality of composite material, greatly shorten the period of forming, make life
It produces efficiency to improve, is more suitable for producing in enormous quantities.
Used technical solution is the present invention to solve above-mentioned technical problem：
A kind of electromagnetic pulse forming device of aluminum base carbon fiber enhancing composite material, including vessels crucible, crucible fix dress
It sets and carbon cloth, vessels crucible is fixedly arranged on crucible fixing device, carbon cloth is vertically arranged in vessels crucible, and crucible holds
The both sides external of device is both provided with coil, and the inner cavity of vessels crucible is loaded with aluminium alloy melt, and two coils are distributed in carbon fiber
The both sides of cloth.
According to above-mentioned technical proposal, vessels crucible includes two crucibles, and carbon cloth is set between two mouth of pot, and two
A crucible compresses carbon cloth from both sides.
According to above-mentioned technical proposal, carbon cloth is reticular structure, and thickness is 0.5~10mm.
According to above-mentioned technical proposal, crucible fixing device includes left templates, right mould plate and crucible fixed plate, left templates and the right side
Multiple parallel supporting rods are connected between template, the both ends of crucible fixed plate are sheathed on multiple supporting rods, and vessels crucible is set
It is placed in crucible fixed plate, vessels crucible can be along supporting rod transverse shifting by crucible fixed plate.
According to above-mentioned technical proposal, it is equipped with coil base on the inside of left templates and right mould plate, line is equipped in coil base
Ring framework, coil are fixedly arranged on by coil rack in coil base.
According to above-mentioned technical proposal, the gap between two lateral coils is 0.1~5mm, earthenware respectively at the both ends of vessels crucible
Aluminium alloy melt liquid level bottom in crucible container is concordant with coil edge.
A kind of aluminium base fibre reinforced composites production method using above-described electromagnetic pulse forming device, including
Following steps：
1) carbon cloth after preheating is positioned in vessels crucible and carbon cloth is fixed；
It 2) will be in the vessels crucible of molten metal aluminum or aluminum alloy liquid injection preheating；
3) it is powered to coil, the Lorentz force that the induced current that the coil after energization generates is formed acts on aluminium alloy melt
On, it enables aluminum alloy to melt and supports or opposes the direction movement enclosed offline, with the larger fixed carbon cloth of velocity shock, overcome between fiber
Capillary resistance, fiberfill fibers gap reach the good combination of fiber and metallic matrix and obtain required composite material；
4) after natural cooling, the aluminum base carbon fiber enhancing composite material prepared is removed.
According to above-mentioned technical proposal, before the step 1), copper facing is implemented to carbon fiber surface.
According to above-mentioned technical proposal, in the step 1), the preheating temperature of carbon cloth is 380~400 DEG C.
The invention has the advantages that：
1. apparatus of the present invention and method combination electromagnetic pulse forming high-speed shaping characteristic, make aluminum melt be contacted with carbon fiber
Time is extremely short, reduces the interfacial reaction generated when aluminium is combined with carbon fiber, and the generation for effectively slowing down interfacial brittle phase improves
The performance of composite material；High voltage transient is generated in forming process makes molten aluminum be more easy to infiltration carbon fiber, and since there is no static pressure,
Fiber is not easily susceptible to pressure destruction；It is shaped instead of punch-pin using discharge coil, efficiently solves conventional pressure manufacturing process convexity
Cavity plate class fit problem, punch-die wear problem；And due to being not required to power transmission medium, Mechanical Contact, process is not present
Molten aluminum will not be stained；The curring time that the present invention benefits from electro-magnetic forming is extremely short, greatly shortens the period of forming, makes production efficiency
It improves, is more suitable for producing in enormous quantities.
2. the present invention is both provided with double-layer coil in the left and right sides, apply Lorentz force in carbon cloth both sides, it is two-way
Forming substantially increases production efficiency.
Description of the drawings
Fig. 1 is the elevation of the electromagnetic pulse forming device of aluminum base carbon fiber enhancing composite material in the embodiment of the present invention；
Fig. 2 is the structural representation of the electromagnetic pulse forming device of aluminum base carbon fiber enhancing composite material in the embodiment of the present invention
Figure；
Fig. 3 is the structural schematic diagram of coil pedestal of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of crucible fixed plate in the embodiment of the present invention；
In figure, 1- right mould plates, 2- nuts, 3- coil bases, 4- coil racks, 5- double-layer coils, 6- crucible fixed plates, 7-
Screw rod, 8- left templates, 9- crucibles, 10- carbon cloths, 11- aluminium alloy melts.
Specific implementation mode
The present invention is described in detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1~Fig. 4, the electricity of the aluminum base carbon fiber enhancing composite material in one embodiment provided by the invention
Magnetic pulse formation device, including vessels crucible, crucible fixing device and carbon cloth 10, vessels crucible are fixedly arranged on crucible and fix dress
It sets, carbon cloth 10 is vertically arranged in vessels crucible, and the inner cavity of vessels crucible is divided into two, the outside two of vessels crucible
Side is both provided with coil, and the inner cavity of vessels crucible is loaded with metallic aluminium or aluminium alloy melt, and two coils are distributed in carbon cloth
10 both sides；The vortex generated after being powered by two lateral coils, the Lorentz force generated by induced current act on aluminium alloy and melt
On body, enables aluminum alloy to melt and support or oppose the direction movement enclosed offline, with fixed carbon fiber mesh in larger velocity shock mold,
Overcome capillary resistance between fiber, fiberfill fibers gap reaches the good combination of fiber and metallic matrix and obtains required compound
Material, the present invention generates high voltage transient high speed molten aluminum and is more easy to infiltration carbon fiber, and since there is no static pressure, fiber is not easily susceptible to
Pressure is destroyed, and applies Lorentz force in 10 both sides of carbon cloth by two lateral coils, two-way forming substantially increases production effect
Rate.
Further, vessels crucible includes two crucibles 9, and carbon cloth 10 is set between two 9 mouthfuls of crucibles, two earthenwares
Crucible 9 compresses carbon cloth 10 from both sides；Each crucible 9 is fixedly arranged in a crucible fixed plate 6, and crucible 9 is solid by crucible
Fixed board 6 is set on supporting rod.
Further, carbon cloth 10 is reticular structure, and thickness is 0.5~10mm；It is permeated convenient for molten metal, carbon cloth
10 model I-200.
Further, crucible 9 is graphite crucible, and fiber cloth is positioned between two crucibles, and two crucible internal-and external diameters are equal
And it is coaxially arranged, left and right compresses fiber cloth, serves as the effect of blank holder.
Further, coil is double-layer coil 5.
Further, crucible fixing device includes left templates 8, right mould plate 1 and crucible fixed plate 6, left templates 8 and right mould plate
Multiple parallel supporting rods are connected between 1, the both ends of crucible fixed plate 6 are sheathed on multiple supporting rods, vessels crucible setting
In in crucible fixed plate 6, vessels crucible can be along supporting rod transverse shifting by crucible fixed plate 6.
Further, the inside of left templates 8 and right mould plate 1 is equipped with coil base 3, and coil bone is equipped in coil base 3
Frame 4, coil are fixedly arranged on by coil rack 4 in coil base 3.
Further, the gap between two lateral coils is 0.1~5mm respectively at the both ends of vessels crucible, in vessels crucible
Metallic aluminium or aluminium alloy melt liquid level bottom it is concordant with coil edge.
Further, two coil bases 3, which are respectively perpendicular, is set in left templates 8 and right mould plate 1, symmetrical with vessels crucible
Arrangement.
Further, supporting rod is screw rod 7, and the both ends of screw rod 7 are connect by nut 2 with left templates 8 and right mould plate 1 respectively
It is fixed, can by mobile crucible fixed plate 6 and adjust left templates 8 and right mould plate 1 distance can control crucible to coil away from
From.
Further, the number of supporting rod is 4, and crucible fixed plate 6 is positioned by four supporting rods.
A kind of aluminium base fibre reinforced composites production method using above-described electromagnetic pulse forming device, including
Following steps：
1) carbon cloth 10 after preheating is positioned in vessels crucible and carbon cloth 10 is fixed；
It 2) will be in the vessels crucible of molten metal aluminum or aluminum alloy liquid injection preheating；
3) it is powered to coil, the Lorentz force that the induced current that the coil after energization generates is formed acts on metallic aluminium or aluminium
On alloy melt, make metallic aluminium or aluminium alloy melt support or oppose enclose offline direction movement, with the larger fixed carbon of velocity shock
Fiber cloth 10 overcomes capillary resistance between fiber, fiberfill fibers gap to reach the good combination of fiber and metallic matrix and obtain institute
The composite material needed；
4) after natural cooling, the aluminum base carbon fiber enhancing composite material prepared is removed.
Further, before the step 1), copper facing is implemented to carbon fiber surface；Improve carbon fiber and alloy matrix aluminum
Interface binding power.
Further, in the step 1), the preheating temperature of carbon cloth 10 is 380~400 DEG C.
Further, solid metallic aluminum or aluminum alloy is housed, after being heated to liquid in high temperature furnace, in mouth of pot in crucible
Arrangement establishment carbon cloth 10, another crucible is upside down on carbon cloth 10, carries out flanging, then two crucibles are solid together
Due to crucible fixed plate 6, and draft is equal with 6 endoporus gradient of crucible fixed plate on the outside of crucible, and crucible is enable to be fixed on crucible
In fixed plate 6, crucible is placed vertically, and molten metal penetrates into another crucible bottom from fiber cloth.
Further, it the invention also includes the storage capacitor being connect with coil, charges to storage capacitor, when energy storage electricity
After the voltage of appearance reaches forming voltage, closed circuit switch, the electricity that storage capacitor generates coil discharge, molten aluminum in coil discharge
It is moved upwards at a high speed under magneticaction, with 10 high-speed impact of carbon cloth and adhesion.
The movement velocity of metallic is related with the electromagnetic force size that coil applies in the metal liquid, and magnetic field is to aluminium gold
The power for belonging to the moving charge in liquid is Lorentz force, and calculation formula is：
F=QvB
F is the Lorentz force obtained, and Q is the quantity of electric charge of charged particle in aluminum metal liquid, and v is charged particle in aluminum metal liquid
Movement velocity, B be double-layer coil 5 generate magnetic induction intensity.
The operation principle of the present invention：Entire rack is stablized in the horizontal plane using left-right template 1, and controls left and right coil
The distance between；Coil base 3 is connected with template, and fixed coil skeleton 4, double-layer coil 5 is embedded among coil rack 4；
Crucible bottom is fixed on apart from the position of coil top 5mm or so, the crucible of left and right two clamps carbon cloth 10；Utilize coil
The vortex generated after energization, the Lorentz force generated by induced current act on aluminium alloy melt, enable aluminum alloy to melt and support or oppose
The direction movement enclosed offline, with fixed carbon fiber mesh in larger velocity shock mold, overcomes capillary resistance between fiber, fills out
Fibre gap is filled, reaches the good combination of fiber and metallic matrix and obtains required composite material.
A kind of electromagnetic pulse forming aluminum base carbon fiber enhancing composite device, uses metallic matrix for ZL102 aluminium alloys,
Reinforcement is I-200 carbon cloths 10, it is intended to which it is 20mm, the composite sample of diameter 100mm to prepare height.Select graphite
Crucible for smelting aluminium alloy.Graphite crucible is put into togerther together with aluminium alloy in crucible furnace, fire door is covered, by temperature controller
Thermocouple is inserted into stove.Crucible furnace switch is opened, temperature is preset in 900 DEG C, electric furnace is begun to warm up.General 1h or so, when
When aluminium ingot becomes liquid completely, 750 DEG C are cooled the temperature to, heat preservation 20min or so.Silvery white is presented in the molten aluminium alloy that melting terminates
Color, good fluidity.ZL102 aluminum alloy melts phase line is being 600 DEG C, and fusing point is at 690 DEG C but in order to ensure aluminium alloy is fully molten
Change, the mobility having had can overcome the capillarity in carbon fiber gap, be sufficient filling with interfibrous gap, and aluminium alloy is last
Temperature into crucible should be 150-200 DEG C or so in ZL102 liquidus temperatures, thus the setting of the fusion temperature of aluminium alloy is existed
900 DEG C, final holding temperature is located at 750 DEG C.
Since aluminium alloy is oxidizable with air pole, thus reduce molten aluminium alloy and air contact to the greatest extent during the experiment
Time.Metal bath is poured into the crucible for customizing a diameter of 100mm, is then placed in working plate coil top rapidly
On mullite thermal insulation board, thus this experiment crucible requires thermal shock resistance good, simultaneously because crucible is also at plate coil
In the magnetic field of transmitting, thus the breakdown voltage of crucible is big, non-conductive, and shielding action will not be generated to magnetic field, thus select
Boron nitride crucible.When in order to avoid crucible under high temperature melting molten aluminum contact chamber temperature, contact portion setting rate is too fast and leads to earthenware
Crucible and the viscous force of molten aluminum are too big, and boron nitride crucible is also required to preheat, and temperature is at 400 DEG C.
During alloy matrix aluminum Metal Melting, need to preheat carbon fiber.The melting of aluminium alloy will
When completion, pretreated carbon fiber is put into box-type drying case and is heated.After its heating and thermal insulation for a period of time after, it is fast
Carbon fiber is placed in tooling by speed, then nut 2 is used to fix, then the crucible equipped with molten aluminium alloy is placed in tooling.
The preheating temperature of carbon fiber is best at 380-400 DEG C.
The method and device master provided by the invention for enhancing composite material based on above-mentioned electromagnetic pulse forming aluminum base carbon fiber
Include the following steps：
(1) according to product requirement, corresponding electro-magnetic forming tooling is designed, includes mainly：Mold, the earthenware of fixed carbon fiber
Winding wire is connected on electromagnetic forming machine by crucible, electro-magnetic forming coil, alumina silicate heat insulating board after completing tooling；
(2) in order to solve the problems, such as that carbon fiber and metallic matrix compatibility are very poor, carbon fiber and alloy matrix aluminum are improved
Interface binding power implements copper facing to carbon fiber surface, and technical process is：Removing glue-roughening-sensitization-activation-dispergation-electroless copper；
(3) carbon fiber mesh after preheating is placed between the crucible of two fastenings, and fixed；
(4) electromagnetic forming machine is charged to predeterminated voltage；
(5) electromagnetic induction smelting furnace smelting aluminium alloy matrix is used, and be passed through protective gas to prevent from aoxidizing；
It (6) will be in the crucible of melted molten aluminum liquid injection preheating；
(7) system of electromagnetic pulse forming aluminum base carbon fiber enhancing composite material is completed in switch control electromagnetic forming machine electric discharge
Standby process；
(8) after natural cooling, mold is dismantled, removes the aluminum base carbon fiber enhancing composite material prepared；
(9) Multi-layer Al-based carbon fibre reinforced composite is prepared：Step (2) to step (8) is repeated, at weight step (3),
The aluminum base carbon fiber enhancing composite material that electric discharge forming in upper step (8) obtains is laid in the carbon fiber described in step (2)
On cloth 10, then fastened.
Above is only presently preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this,
Therefore according to equivalence changes made by scope of the present invention patent, still belong to protection scope of the present invention.
Claims (9)
1. a kind of electromagnetic pulse forming device of aluminum base carbon fiber enhancing composite material, which is characterized in that including vessels crucible, earthenware
Crucible fixing device and carbon cloth, vessels crucible are fixedly arranged on crucible fixing device, and carbon cloth is vertically arranged at vessels crucible
Interior, the both sides of vessels crucible are both provided with coil, and the inner cavity of vessels crucible is loaded with aluminium alloy melt, and two coils are distributed in carbon
The both sides of fiber cloth.
2. the electromagnetic pulse forming device of aluminum base carbon fiber enhancing composite material according to claim 1, which is characterized in that
Vessels crucible includes two crucibles, and carbon cloth is set between two mouth of pot, and two crucibles are from both sides by carbon cloth pressure
Tightly.
3. the electromagnetic pulse forming device of aluminum base carbon fiber enhancing composite material according to claim 1, which is characterized in that
Carbon cloth is reticular structure, and thickness is 0.5~10mm.
4. the electromagnetic pulse forming device of aluminum base carbon fiber enhancing composite material according to claim 1, which is characterized in that
Crucible fixing device includes left templates, right mould plate and crucible fixed plate, is connected between left templates and right mould plate multiple parallel
The both ends of supporting rod, crucible fixed plate are sheathed on multiple supporting rods, and vessels crucible is set in crucible fixed plate, vessels crucible
It can be along supporting rod transverse shifting by crucible fixed plate.
5. the electromagnetic pulse forming device of aluminum base carbon fiber enhancing composite material according to claim 4, which is characterized in that
It is equipped with coil base on the inside of left templates and right mould plate, coil rack is equipped in coil base, coil is solid by coil rack
In coil base.
6. the electromagnetic pulse forming device of aluminum base carbon fiber enhancing composite material according to claim 1, which is characterized in that
The gap between two lateral coils is 0.1~5mm respectively at the both ends of vessels crucible.
7. a kind of aluminium base fibre reinforced composites production method using electromagnetic pulse forming device described in claim 1,
It is characterized by comprising the following steps：
1) carbon cloth after preheating is positioned in vessels crucible and carbon cloth is fixed；
It 2) will be in the vessels crucible of molten metal aluminum or aluminum alloy liquid injection preheating；
3) it being powered to coil, the Lorentz force that the induced current that the coil after energization generates is formed acts on aluminium alloy melt,
Enable aluminum alloy to melt support or oppose enclose offline direction movement, with the larger fixed carbon cloth of velocity shock, overcome hair between fiber
Thin resistance, fiberfill fibers gap reach the good combination of fiber and metallic matrix and obtain required composite material；
4) after natural cooling, the aluminum base carbon fiber enhancing composite material prepared is removed.
8. aluminium base fibre reinforced composites production method according to claim 7, which is characterized in that the step 1)
Before, copper facing is implemented to carbon fiber surface.
9. aluminium base fibre reinforced composites production method according to claim 7, which is characterized in that the step 1)
In, the preheating temperature of carbon cloth is 380~400 DEG C.
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Cited By (4)
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| CN110444320A (en) * | 2019-08-09 | 2019-11-12 | 大连理工大学 | A kind of high-strength highly-conductive fibre reinforced ALuminum matrix composite wires and preparation method thereof |
| CN110527931A (en) * | 2019-09-19 | 2019-12-03 | 王书杰 | The forming method and material of carbon fiber reinforced aluminum matrix composite |
| CN111085674A (en) * | 2019-12-25 | 2020-05-01 | 东北大学 | Carbon fiber reinforced metal matrix composite material capable of being extended cooperatively and preparation device and method |
| CN113802021A (en) * | 2021-09-07 | 2021-12-17 | 湖南烁科热工智能装备有限公司 | Equipment for continuously preparing high-silicon aluminum alloy in grading pressure infiltration manner |
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| CN106893955A (en) * | 2017-03-20 | 2017-06-27 | 武汉理工大学 | A kind of electromagnetic forming device and the method that fiber-reinforced metal matrix composite is prepared using the device |
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