CN103194634A - Method for preparing foamed aluminum composite material - Google Patents
Method for preparing foamed aluminum composite material Download PDFInfo
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- CN103194634A CN103194634A CN2013101402943A CN201310140294A CN103194634A CN 103194634 A CN103194634 A CN 103194634A CN 2013101402943 A CN2013101402943 A CN 2013101402943A CN 201310140294 A CN201310140294 A CN 201310140294A CN 103194634 A CN103194634 A CN 103194634A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 203
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 187
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 36
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 31
- 239000011572 manganese Substances 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000004411 aluminium Substances 0.000 claims description 168
- 239000006260 foam Substances 0.000 claims description 29
- 239000011159 matrix material Substances 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 18
- 238000002360 preparation method Methods 0.000 claims description 14
- 239000005030 aluminium foil Substances 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- -1 titanium hydride Chemical compound 0.000 claims description 8
- 150000001398 aluminium Chemical class 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 239000002923 metal particle Substances 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000048 titanium hydride Inorganic materials 0.000 claims description 4
- 238000007906 compression Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000006835 compression Effects 0.000 abstract description 6
- 239000011148 porous material Substances 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 abstract description 4
- 238000005187 foaming Methods 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000274 aluminium melt Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The invention provides a method for preparing a foamed aluminum composite material, relates to the manufacturing of alloy with open or closed pores, and specifically relates to a method for compounding dispersed embedded manganese particles and closed-pore foamed alumium. The method comprises the following steps of: smelting commercially pure alumium into alumium melt and preserving heat, tackifying the alumium melt, adding manganese particles, foaming the alumium melt with manganese and preserving heat, cooling in air so that the foamed alumium is solidified and formed, and then cooling by wind, thereby obtaining the closed-pore foamed alumium composite material high in compression strength, and high in porosity and ductile fracture finally. The method provided by the invention overcomes the shortcomings of low compression strength of the commercially pure alumium-based foamed alumium composite material prepared by the prior art and easy brittle fracture in the compression process.
Description
Technical field
Technical scheme of the present invention includes out or the manufacturing of the alloy in closed pore crack, specifically a kind of preparation method of foamed aluminium matrix material.
Background technology
Foamed aluminium is by matrix metal and account for the heterogeneous material that the pore of volume more than 70% formed, and has many particular performances.Foamed aluminium can be divided into open celled foam aluminium and closed-cell aluminum foam according to the connectedness in hole.Closed-cell aluminum foam has a series of premium propertiess such as proportion is little, specific rigidity is big, specific surface area is big, damping performance is good, soundproof effect is good, capability of electromagnetic shielding height, has a wide range of applications in building, machinery, communications and transportation, aerospace and national defense industry.Recently the more than ten years, the suitability for industrialized production of foamed metal receives great concern, and particularly the industrialization R﹠D work that foamed aluminium is carried out is developed.CN102296256A discloses a kind of heat treating method that improves the foam aluminium alloy mechanical property, this method belongs to the deep processing treatment process after the foamed aluminium moulding, and the shortcoming of its existence is to have increased the production cost of foamed aluminium and restricted to the size of foamed aluminium product.CN101876017A discloses a kind of preparation method of nano-ceramic particle reinforced aluminum foam matrix composite material, and this method belongs to the powder metallurgy category, and the shortcoming of its existence is higher to the dimensional requirement of production unit and foamed aluminium matrix material.CN1219089C discloses a kind of high-strength light foamed aluminium matrix material and preparation method thereof, and this method belongs to the hot pressing THROUGH METHOD, and the shortcoming of its existence is restricted to the size of production unit and foamed aluminium matrix material.CN101139666A discloses the method that a kind of silicon-carbide particle strengthens foamed aluminium radical composite material, this method belongs to the category of foam melt method, the shortcoming of its existence is that silicon-carbide particle need be incubated 2 hours down at 500 ℃ before use, be incubated 3 hours down at 800 ℃ then, increased energy consumption and production cost.Part is especially in addition, and above-mentioned prior art only rests in the mechanical property raising of foamed aluminium/alloy, and is less for the performance raising of foamed aluminium/alloy platform area ductile fracture, and this expansion that has greatly limited the foamed aluminium matrix material is used.This is because the intensity of foamed aluminium is subjected to the influence of body material and pore structure very big, the compressive strength of aluminium alloy foam is higher than the aluminium base foamed aluminium of commercially pure under the same holes structural condition, yet show as jagged brittle rupture at stress under compression-strain platform area foam aluminium alloy, the aluminium base foamed aluminium of commercially pure shows as smooth ductile fracture.Both wished to obtain the intensity height in actual applications, wish to have obtained to show as in the compressed platform district foamed aluminium product of ductility again, but since the aluminium base foamed aluminium of commercially pure under equal conditions intensity is low has limited its application aspect structure and impact-attenuating.
Summary of the invention
Technical problem to be solved by this invention is: the preparation method that a kind of foamed aluminium matrix material is provided, be that a kind of employing is with the embedded manganese particle of disperse and closed-cell aluminum foam composite methods, make the closed-cell foam aluminum composite of a kind of high compression-strength, high porosity and ductile fracture, it is low to have overcome the aluminium base foamed aluminium matrix material of prior art for preparing commercially pure compressive strength, is easy to generate the shortcoming of brittle rupture in compression process.
The present invention solves this technical problem the technical scheme that adopts: a kind of preparation method of foamed aluminium matrix material, be a kind of employing with the embedded manganese particle of disperse and closed-cell aluminum foam composite methods, its step is as follows:
The first step is cut into aluminium block with the commercially pure aluminium ingot, gets 800g～1000g aluminium block and puts into crucible, and the starting resistance stove is raised to 800 ℃ with temperature, is incubated 10～20 minutes, makes the aluminium block fusing in the crucible and keeps temperature even;
Second step, regulate the resistance furnace temperature to 700 ℃ of the first step, be incubated 10～30 minutes, making the aluminium liquid bulk temperature in the crucible is 700 ℃, in this aluminium liquid, add the tackifier of wrapping with aluminium foil that account for aluminium liquid quality 0.5～5%, start stirring rake simultaneously, keep mixing speed at 300～1000r/min, churning time is 2～20 minutes, makes the tackifier that add be uniformly dispersed;
The 3rd step, going on foot the granularity that accounts for aluminium liquid quality 0.1～4% that adding is wrapped with aluminium foil in advance in the molten aluminium that obtains to second is the commercial manganese particles of 80～500 purposes, start stirring rake simultaneously, the maintenance mixing speed is 600～1500r/min, churning time is 1～10 minute, makes the manganese particle that adds be evenly distributed in molten aluminium;
The 4th step, the whipping agent titanium hydride is added the 3rd to be gone on foot in the molten aluminium that obtains, add-on is 0.5～3% of the 3rd molten aluminium quality that obtains of step, start stirring rake simultaneously, the maintenance mixing speed is 900～2000r/min, churning time is 10～300 seconds, stirs the end back gained molten aluminium is incubated, and soaking time is 1～10 minute;
The 5th step, crucible is taken out from resistance furnace, air cooling 2～20 minutes makes the foamed aluminium solidification forming, carries out air blast cooling then, and the time is 10～30 minutes, finally obtains the foamed aluminium composite products.
The preparation method of above-mentioned a kind of foamed aluminium matrix material, described commercial aluminium ingot is that purity is mass percent 99.5% commercial-purity aluminium.
The preparation method of above-mentioned a kind of foamed aluminium matrix material, described tackifier are a kind of in calcium metal particle, aluminium powder, silicon-carbide particle or the aluminum oxide powder.
The preparation method of above-mentioned a kind of foamed aluminium matrix material, the order number of described whipping agent titanium hydride is 300 ± 20 orders.
The preparation method of above-mentioned a kind of foamed aluminium matrix material, used raw material is all by commercially available, and used equipment is well-known in the art, and used operating procedure is that those skilled in the art grasp.
The invention has the beneficial effects as follows: compared with prior art, the outstanding substantive distinguishing features of the inventive method is:
(1) the inventive method only needs the commercial-purity aluminium melt is contained manganese closed-cell foam aluminum composite by foam melt method through what one step foaming can obtain high porosity, high compression-strength and ductile fracture.
(2) with the manganese particle as embedding phase, disperse embeds in the aluminium base closed-cell aluminum foam of commercially pure, this composite structure has extraordinary energy-absorbing effect, be the aluminium base foamed aluminium of commercially pure (test result is seen Fig. 2) that can not compare, its energy-absorbing approach is more diversified than fine aluminium base foamed aluminium, when external force is done work to this kind matrix material, because second strengthening effect of manganese element and aluminum substrate reaction generation and solution strengthening effect, the microhardness and the matrix strength that have improved foamed aluminium make foamed aluminium self cave in and the enhancing of hole wall friction energy absorption ability, improve its energy absorption capability, and guaranteed the ductile fracture behavior of compression process.
Compared with prior art, the obvious improvement of the inventive method is:
(1) yield strength of the manganese particle that makes of the inventive method and the aluminium base closed-cell foam aluminum composite of commercially pure will be much larger than the intensity of the aluminium base closed-cell foam aluminum composite of the commercially pure that prior art makes, have better mechanical property, yield-point will exceed about 2～3 times more than.Meanwhile, the manganese particle that the inventive method makes and fine aluminium base closed-cell foam aluminum composite have also kept good ductile fracture behavior, and have improved the corresponding stress of fluidity value of maximum energy-absorbing efficient.
(2) the manganese particle that has great prospects for development of the inventive method utilization is as strengthening phase, and this has just expanded the range of application of manganese particle and fine aluminium base closed-cell aluminum foam, improves product competitiveness, has enlarged the scope of utilizing of the aluminium base foamed aluminium strengthening phase of commercially pure.
(3) the inventive method can be utilized existing flux foaming equipment fully, need not to increase facility investment, and manganese particle low price addition is few, is the mechanical property that has significantly improved the foamed aluminium matrix material under the condition of cost not increasing substantially, thereby has strengthened competitiveness of product.So the foamed aluminium matrix material that the inventive method makes has the prospect that more widespread use is arranged in fields such as building.
(4) the inventive method technology is simple and efficient, and is easy to operate, less demanding to equipment in process of production, and the starting material wide material sources are convenient to realize industrialization production.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
The photo in kind of the manganese particle that Fig. 1 makes for the embodiment of the invention 1 and fine aluminium base closed-cell foam aluminum composite.
The manganese particle that Fig. 2 makes for the embodiment of the invention 1 and fine aluminium base closed-cell foam aluminum composite in the quasistatic compression testing with the stress-strain curve comparison diagram of the aluminium base closed-cell aluminum foam of conventional commercially pure.
The manganese particle that Fig. 3 makes for the embodiment of the invention 1 and fine aluminium base closed-cell foam aluminum composite in the quasistatic compression testing with the unit volume energy-absorbing curve comparison diagram of the aluminium base closed-cell aluminum foam of conventional commercially pure.
Embodiment
Embodiment 1
The first step is that the commercially pure aluminium ingot of mass percent 99.5% commercial-purity aluminium is cut into aluminium block with purity, gets the 855g aluminium block and puts into crucible, and the starting resistance stove is raised to 800 ℃ with temperature, is incubated 15 minutes, makes the aluminium block fusing in the crucible and keeps temperature even;
Second step, regulate the resistance furnace temperature to 700 ℃ of the first step, be incubated 15 minutes, making the aluminium liquid bulk temperature in the crucible is 700 ℃, adds the calcium metal particle that accounts for aluminium liquid quality 2% that tackifier are namely wrapped with aluminium foil in this aluminium liquid, starts stirring rake simultaneously, keep mixing speed at 500r/min, churning time is 8 minutes, makes that the calcium metal particles dispersed that adds is even;
The 3rd step, going on foot the granularity that accounts for aluminium liquid quality 0.2% that adding is wrapped with aluminium foil in advance in the molten aluminium that obtains to second is the commercial manganese particles of 100 purposes, starts stirring rake simultaneously, and the maintenance mixing speed is 800r/min, churning time is 8 minutes, makes the manganese particle that adds be evenly distributed in molten aluminium;
The 4th step, be that 300 ± 20 purpose whipping agent titanium hydrides add in the 3rd molten aluminium that obtain of step with the order number, add-on is 0.8% of the 3rd molten aluminium quality that obtains of step, start stirring rake simultaneously, the maintenance mixing speed is 1200r/min, churning time is 40 seconds, stirs the end back gained molten aluminium is incubated, and soaking time is 2 minutes;
The 5th step, crucible is taken out from resistance furnace, air cooling 10 minutes makes the foamed aluminium solidification forming, carries out air blast cooling then, and the time is 20 minutes, finally obtains the foamed aluminium composite products.
The manganese particle that Fig. 1 makes for present embodiment and the photomacrograph of fine aluminium base closed-cell foam aluminum composite.
The manganese particle that Fig. 2 makes for present embodiment and fine aluminium base closed-cell foam aluminum composite in the quasistatic compression testing with the stress-strain curve comparison diagram of fine aluminium base closed-cell aluminum foam.From then on can find out among the figure, the intensity of the matrix material that present embodiment makes will be far longer than the intensity of conventional fine aluminium base foamed aluminium, has better mechanical property, yield-point and platform stress will exceed more than 2 times, remedy the low deficiency of the conventional intensity of fine aluminium base foamed aluminium own, and still kept good platform stressed zone.
The manganese particle that Fig. 3 makes for present embodiment and closed-cell foam aluminum composite in the quasistatic compression testing with the unit volume energy-absorbing curve comparison diagram of conventional fine aluminium base closed-cell aluminum foam.From then on can find out among the figure that the energy absorption performance of the matrix material that present embodiment makes is the energy absorption performance that is higher than conventional fine aluminium base foamed aluminium far away.
The first step is that mass percent 99.5% commercial-purity aluminium commercially pure aluminium ingot is cut into aluminium block with purity, gets the 800g aluminium block and puts into crucible, and the starting resistance stove is raised to 800 ℃ with temperature, is incubated 10 minutes, makes the aluminium block fusing in the crucible and keeps temperature even;
Second step, regulate the resistance furnace temperature to 700 ℃ of the first step, be incubated 20 minutes, making the aluminium liquid bulk temperature in the crucible is 700 ℃, in this aluminium liquid, add the aluminium powder of wrapping with aluminium foil that accounts for aluminium liquid quality 1.5%, start stirring rake simultaneously, keep mixing speed at 600r/min, churning time is 2 minutes, makes the aluminium powder that adds be uniformly dispersed;
The 3rd step, going on foot the granularity that accounts for aluminium liquid quality 0.1% that adding is wrapped with aluminium foil in advance in the molten aluminium that obtains to second is the commercial manganese particles of 80 purposes, starts stirring rake simultaneously, and the maintenance mixing speed is 600r/min, churning time is 1 minute, makes the manganese particle that adds be evenly distributed in molten aluminium;
The 4th step, be that 300 ± 20 purpose whipping agent titanium hydrides add in the 3rd molten aluminium that obtain of step with the order number, add-on is 0.5% of the 3rd molten aluminium quality that obtains of step, start stirring rake simultaneously, the maintenance mixing speed is 900r/min, churning time is 10 seconds, stirs the end back gained molten aluminium is incubated, and soaking time is 1 minute;
The 5th step, crucible is taken out from resistance furnace, air cooling 5 minutes makes the foamed aluminium solidification forming, carries out air blast cooling then, and the time is 10 minutes, finally obtains the foamed aluminium composite products.
The first step is that the commercially pure aluminium ingot of mass percent 99.5% commercial-purity aluminium is cut into aluminium block with purity, gets the 1000g aluminium block and puts into crucible, and the starting resistance stove is raised to 800 ℃ with temperature, is incubated 20 minutes, makes the aluminium block fusing in the crucible and keeps temperature even;
Second step, regulate the resistance furnace temperature to 700 ℃ of the first step, be incubated 30 minutes, making the aluminium liquid bulk temperature in the crucible is 700 ℃, in this aluminium liquid, add the silicon-carbide particle of wrapping with aluminium foil that accounts for aluminium liquid quality 5%, start stirring rake simultaneously, keep mixing speed at 1000r/min, churning time is 20 minutes, makes the silicon-carbide particle that adds be uniformly dispersed;
The 3rd step, going on foot the granularity that accounts for aluminium liquid quality 4% that adding is wrapped with aluminium foil in advance in the molten aluminium that obtains to second is the commercial manganese particles of 500 purposes, starts stirring rake simultaneously, and the maintenance mixing speed is 1500r/min, churning time is 10 minutes, makes the manganese particle that adds be evenly distributed in molten aluminium;
The 4th step, be that 300 ± 20 purpose whipping agent titanium hydrides add in the 3rd molten aluminium that obtain of step with the order number, add-on is 3% of the 3rd molten aluminium quality that obtains of step, start stirring rake simultaneously, the maintenance mixing speed is 2000r/min, churning time is 300 seconds, stirs the end back gained molten aluminium is incubated, and soaking time is 10 minutes;
The 5th step, crucible is taken out from resistance furnace, air cooling 20 minutes makes the foamed aluminium solidification forming, carries out air blast cooling then, and the time is 30 minutes, finally obtains the foamed aluminium composite products.
The first step is that the commercially pure aluminium ingot of mass percent 99.5% commercial-purity aluminium is cut into aluminium block with purity, gets the 900g aluminium block and puts into crucible, and the starting resistance stove is raised to 800 ℃ with temperature, is incubated 15 minutes, makes the aluminium block fusing in the crucible and keeps temperature even;
Second step, regulate the resistance furnace temperature to 700 ℃ of the first step, be incubated 20 minutes, making the aluminium liquid bulk temperature in the crucible is 700 ℃, in this aluminium liquid, add the aluminum oxide powder of wrapping with aluminium foil that accounts for aluminium liquid quality 2.5%, start stirring rake simultaneously, keep mixing speed at 650r/min, churning time is 11 minutes, makes the aluminum oxide powder that adds be uniformly dispersed;
The 3rd step, going on foot the granularity that accounts for aluminium liquid quality 2% that adding is wrapped with aluminium foil in advance in the molten aluminium that obtains to second is the commercial manganese particles of 290 purposes, starts stirring rake simultaneously, and the maintenance mixing speed is 1100r/min, churning time is 5 minutes, makes the manganese particle that adds be evenly distributed in molten aluminium;
The 4th step, be that 300 ± 20 purpose whipping agent titanium hydrides add in the 3rd molten aluminium that obtain of step with the order number, add-on is 1.6% of the 3rd molten aluminium quality that obtains of step, start stirring rake simultaneously, the maintenance mixing speed is 1500r/min, churning time is 155 seconds, stirs the end back gained molten aluminium is incubated, and soaking time is 5 minutes;
The 5th step, crucible is taken out from resistance furnace, air cooling 11 minutes makes the foamed aluminium solidification forming, carries out air blast cooling then, and the time is 20 minutes, finally obtains the foamed aluminium composite products.
In above-described embodiment, used raw material is all by commercially available, and used equipment is well-known in the art, and used operating procedure is that those skilled in the art grasp.
Claims (4)
1. the preparation method of a foamed aluminium matrix material is characterized in that: be a kind of employing with the embedded manganese particle of disperse and closed-cell aluminum foam composite methods, its step is as follows.
The first step is cut into aluminium block with the commercially pure aluminium ingot, gets 800g～1000g aluminium block and puts into crucible, and the starting resistance stove is raised to 800 ℃ with temperature, is incubated 10～20 minutes, makes the aluminium block fusing in the crucible and keeps temperature even;
Second step, regulate the resistance furnace temperature to 700 ℃ of the first step, be incubated 10～30 minutes, making the aluminium liquid bulk temperature in the crucible is 700 ℃, in this aluminium liquid, add the tackifier of wrapping with aluminium foil that account for aluminium liquid quality 0.5～5%, start stirring rake simultaneously, keep mixing speed at 300～1000r/min, churning time is 2～20 minutes, makes the tackifier that add be uniformly dispersed;
The 3rd step, going on foot the granularity that accounts for aluminium liquid quality 0.1～4% that adding is wrapped with aluminium foil in advance in the molten aluminium that obtains to second is the commercial manganese particles of 80～500 purposes, start stirring rake simultaneously, the maintenance mixing speed is 600～1500r/min, churning time is 1～10 minute, makes the manganese particle that adds be evenly distributed in molten aluminium;
The 4th step, the whipping agent titanium hydride is added the 3rd to be gone on foot in the molten aluminium that obtains, add-on is 0.5～3% of the 3rd molten aluminium quality that obtains of step, start stirring rake simultaneously, the maintenance mixing speed is 900～2000r/min, churning time is 10～300 seconds, stirs the end back gained molten aluminium is incubated, and soaking time is 1～10 minute;
The 5th step, crucible is taken out from resistance furnace, air cooling 2～20 minutes makes the foamed aluminium solidification forming, carries out air blast cooling then, and the time is 10～30 minutes, finally obtains the foamed aluminium composite products.
2. according to the preparation method of the said a kind of foamed aluminium matrix material of claim 1, it is characterized in that: described commercial aluminium ingot is that purity is mass percent 99.5% commercial-purity aluminium.
3. according to the preparation method of the said a kind of foamed aluminium matrix material of claim 1, it is characterized in that: described tackifier are a kind of in calcium metal particle, aluminium powder, silicon-carbide particle or the aluminum oxide powder.
4. according to the preparation method of the said a kind of foamed aluminium matrix material of claim 1, it is characterized in that: the order number of described whipping agent titanium hydride is 300 ± 20 orders.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104390168A (en) * | 2014-12-13 | 2015-03-04 | 东莞市闻誉实业有限公司 | Led lamp |
| CN104501009A (en) * | 2014-12-13 | 2015-04-08 | 东莞市闻誉实业有限公司 | Lamp |
| CN105886822A (en) * | 2016-06-17 | 2016-08-24 | 山东理工大学 | Water-cooling double-roller vertical continuous forming method of foamed aluminum plate |
| CN107217177A (en) * | 2017-05-13 | 2017-09-29 | 合肥市库仑动力安全科技有限公司 | A kind of foamed aluminium prefabricated board and attaching method thereof |
| CN108486400A (en) * | 2018-02-28 | 2018-09-04 | 清华大学 | A kind of Metal Substrate hollow ball composite foam material and preparation method thereof |
| CN109722558A (en) * | 2019-01-14 | 2019-05-07 | 南京航空航天大学 | A kind of flux foaming preparation method of the closed-cell aluminum foam with negative poisson's ratio characteristic |
| CN109881036A (en) * | 2019-04-23 | 2019-06-14 | 河北工业大学 | A kind of preparation method being electromagnetically shielded foamed aluminium composite material |
| CN114086019A (en) * | 2021-11-16 | 2022-02-25 | 东北大学 | Heat treatment reinforced high-strength foamed aluminum-based composite material and preparation method thereof |
| CN115029575A (en) * | 2022-07-06 | 2022-09-09 | 河北大学 | In-situ preparation method of gradient porous composite material |
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| CN104390168A (en) * | 2014-12-13 | 2015-03-04 | 东莞市闻誉实业有限公司 | Led lamp |
| CN104501009A (en) * | 2014-12-13 | 2015-04-08 | 东莞市闻誉实业有限公司 | Lamp |
| CN104501009B (en) * | 2014-12-13 | 2017-09-01 | 东莞市闻誉实业有限公司 | Light fixture |
| CN105886822A (en) * | 2016-06-17 | 2016-08-24 | 山东理工大学 | Water-cooling double-roller vertical continuous forming method of foamed aluminum plate |
| CN107217177A (en) * | 2017-05-13 | 2017-09-29 | 合肥市库仑动力安全科技有限公司 | A kind of foamed aluminium prefabricated board and attaching method thereof |
| CN108486400A (en) * | 2018-02-28 | 2018-09-04 | 清华大学 | A kind of Metal Substrate hollow ball composite foam material and preparation method thereof |
| CN108486400B (en) * | 2018-02-28 | 2020-05-26 | 清华大学 | Metal-based hollow sphere composite foam material and preparation method thereof |
| CN109722558A (en) * | 2019-01-14 | 2019-05-07 | 南京航空航天大学 | A kind of flux foaming preparation method of the closed-cell aluminum foam with negative poisson's ratio characteristic |
| CN109881036A (en) * | 2019-04-23 | 2019-06-14 | 河北工业大学 | A kind of preparation method being electromagnetically shielded foamed aluminium composite material |
| CN109881036B (en) * | 2019-04-23 | 2020-11-10 | 河北工业大学 | Preparation method of electromagnetic shielding foamed aluminum composite material |
| CN114086019A (en) * | 2021-11-16 | 2022-02-25 | 东北大学 | Heat treatment reinforced high-strength foamed aluminum-based composite material and preparation method thereof |
| CN115029575A (en) * | 2022-07-06 | 2022-09-09 | 河北大学 | In-situ preparation method of gradient porous composite material |
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