CN102390135A - Preparation method of foamed aluminum sandwich plate - Google Patents

Preparation method of foamed aluminum sandwich plate Download PDF

Info

Publication number
CN102390135A
CN102390135A CN2011101966839A CN201110196683A CN102390135A CN 102390135 A CN102390135 A CN 102390135A CN 2011101966839 A CN2011101966839 A CN 2011101966839A CN 201110196683 A CN201110196683 A CN 201110196683A CN 102390135 A CN102390135 A CN 102390135A
Authority
CN
China
Prior art keywords
die sleeve
preparation
foamed
sandwich plate
foamed aluminum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011101966839A
Other languages
Chinese (zh)
Other versions
CN102390135B (en
Inventor
罗洪杰
姚广春
刘宣汉
张晓明
吴林丽
曹卓坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northeastern University China
Original Assignee
Northeastern University China
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northeastern University China filed Critical Northeastern University China
Priority to CN 201110196683 priority Critical patent/CN102390135B/en
Publication of CN102390135A publication Critical patent/CN102390135A/en
Application granted granted Critical
Publication of CN102390135B publication Critical patent/CN102390135B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Laminated Bodies (AREA)
  • Coating With Molten Metal (AREA)

Abstract

The invention relates to a preparation method of a layered composite material, in particular to a preparation method of a foamed aluminum sandwich plate. The method comprises the following steps of: firstly, uniformly mixing an aluminum alloy, a tackifier and a foaming agent to obtain a platy or blocky foamable precast blank material; then, performing hot-pressing compounding of the precast blank and a steel plate after the surface plating to obtain a foamable composite plate sandwiching the precast blank; placing the foamable composite plate sandwiching the precast blank in a mould sleeve closed around, and delivering into an infrared foaming furnace heating at the upper and lower parts at the same time so as to heat and foam the composite plate sandwiching the precast blank under infrared radiation; and finally, pulling the mould sleeve out of the foaming furnace, and cooling to obtain a foamed aluminum sandwich plate with a fixed thickness. The foamed aluminum sandwich plate prepared by the method provided by the invention has an accurate thickness, a uniform structure and a high yield; and moreover, the preparation processes in the invention can be automatically controlled, thereby being favorable for realizing semi-continuous preparation of the foamed aluminum sandwich plate.

Description

A kind of preparation method of foamed aluminum sandwich plate
Technical field
The present invention relates to a kind of preparation method of laminar composite, be specifically related to a kind of preparation method of foamed aluminum sandwich plate.
Background technology
Be core with the foamed aluminium, be the sandwich style composite construction that panel is processed with the steel plate; Be called for short foamed aluminum sandwich plate; The foam aluminium sandwich plate has characteristics such as light weight, high specific stiffness, high specific strength and damping energy-absorbing, is with a wide range of applications in fields such as communications and transportation, Aero-Space and buildings.
The existing method for preparing foamed aluminum sandwich plate has powder metallurgic method and melt second time of foaming method.Document " Aluminium Foam Sandwich Panels:Manufacture, Metallurgy and Applications " discloses a kind of employing powder metallurgic method and has prepared the method that specification is the foamed aluminum sandwich plate material of 1m * 2m.This method is at first fully mixed aluminium powder with blowing agent, additive; Then mixture is pressed into closely knit preform blank; Make preform blank and panel compound through hot rolling and cold rolling again; Put into foaming furnace at last and make temperature rise to the solidus of the matrix used metal of preform blank above and be incubated certain hour, the sandwich layer of gas under molten condition that utilizes blowing agent to decompose to produce be inner to form countless pores, can obtain the foamed aluminum sandwich plate material through cooling.
Patent of invention CN200510052089 specifically discloses a kind of casting continuous producing method of foam metal, adopts the mode of melt second time of foaming to prepare foamed aluminum sandwich plate.This method at first melts 45# steel and fine aluminium down at 1450 ℃ and 720 ℃ respectively, in aluminum melt, adds tackifier and blowing agent then, through stirring their is evenly disperseed in aluminum melt.Again 45# steel and aluminum melt are poured into the vertical two-roller mill of 4 baffle plates and be rolled, obtain steel/aluminium/steel sandwich plate foaming precursor band, this band can obtain the compound foamed aluminum sandwich plate of steel/foamed aluminium/steel again through post bake and foaming.
Owing to adopt methods such as powder metallurgy and liquid phase casting to make production equipment complicated, technological process is grown, cost of manufacture is high in the above-mentioned prior art, and the thickness of foamed aluminum sandwich plate and core structure are also wayward.
Summary of the invention
The object of the invention is to overcome the problem that exists in the prior art, and a kind of preparation method of foamed aluminum sandwich plate is provided, and improves the lumber recovery of goods simultaneously, and obtains controllable thickness, the foamed aluminum sandwich plate material of even structure.
Technical solution of the present invention is carried out according to the following steps:
(1) prepare the prefabricated blank that can foam:
Earlier aluminium alloy is melted down and insulation 30min at 750 ℃, add tackifier and also stir, mixing speed is 500 ~ 1500r/min, and mixing time is 2 ~ 5min; The aluminium alloy melt temperature that will increase again after sticking is reduced to 550-600 ℃; To wherein adding blowing agent and stirring; Mixing speed is 1000 ~ 3000 r/min, and mixing time is 2 ~ 5min, at last with the aluminium alloy melt casting ingot-forming after above-mentioned the stirring and hot rolling down; Obtaining thickness is 5 ~ 50mm, and porosity is less than 20% foamed prefabricated blank;
Aluminium alloy is that composition is the alusil alloy of Al-12wt.%Si, the alsimay of Al-12wt.%Si-1wt.%Mg or the magnalium calcium alloy of Al-(5 ~ 10) wt.%Mg-(1 ~ 3) wt.%Ca.
The purpose that adds tackifier is the viscosity that increases aluminum melt, and tackifier is calcium metal, carborundum powder or alumina powder, and wherein the addition of calcium metal is 2 ~ 5wt.% of aluminium alloy quality, and granularity is 2 ~ 6mm; The addition of carborundum powder is 2 ~ 10wt.% of used aluminium alloy quality, and granularity is 10 ~ 100 μ m; The addition of alumina powder is 2 ~ 10wt.% of used aluminium alloy quality, and granularity is 5 ~ 80 μ m.
The purpose that adds blowing agent is to be titantium hydride or calcium carbonate for the aluminum melt foaming provides gas source, blowing agent.Wherein the addition of titantium hydride is 0.5 ~ 3wt.% of used aluminium alloy quality, and granularity is 30 ~ 150 μ m, and the titantium hydride of adding will carry out oxidation processes in advance, and the method for processing is to titantium hydride oxidation 1 ~ 5 hour in air under 500 ℃; The addition of calcium carbonate is 1 ~ 5wt.% of used aluminium alloy quality, and granularity is 40 ~ 150 μ m.
(2) but preparation accompanies the foamed composite board of prefabricated blank:
Earlier the thick surface of steel plate of 1 ~ 5mm is carried out oil removing, processing of rust removing, applying aqueous solution composition at surface of steel plate then is ZnCl 2: 80 ~ 100g/mL, AlCl 3: 10 ~ 15g/mL, NH 4Cl:15 ~ 20g/mL, LaCl 3: the fluxing agent of 0.4 ~ 0.8g/mL also carries out hot-dip; Form the thick coating of 20 ~ 100 μ m; The alloying component of coating is zinc-containing alloy or acieral; The composition of zinc-containing alloy is: ((0.5 ~ 3wt.%) Mg, acieral composition are 55wt.%Al-Zn-(1 ~ 2wt.%) Si-(0.05 ~ 0.1wt.%) RE to 3 ~ 6wt.%) Al-to Zn-; The purpose of surface of steel plate hot-dip is to prevent steel plate surface oxidation in the following process process, and strengthens steel plate and the wetability between the prefabricated blank of can foaming;
Polishing in the prefabricated blank that can foam surface, is placed in the middle of two steel plates that have coating except that behind the descale, and it is compound to carry out hot pressing then; In the hot pressing recombination process, when the surface of steel plate plating be zinc-containing alloy the time, then hot pressing temperature is 400 ~ 500 ℃, pressure is 5 ~ 50MPa, the time is 2 ~ 30min; When the surface of steel plate plating be acieral the time, then hot pressing temperature is 500 ~ 600 ℃, pressure is 10 ~ 80MPa, the time is 2 ~ 30min;
In the hot pressing recombination process; The mutual seamless unoccupied place of the prefabricated blank that can foam is placed in the middle of two steel plates; Through hot pressing steel plate and prefabricated blank are combined with each other then; The prefabricated blank that perhaps can foam is placed in the middle of two steel plates with leaving certain slit each other, and gap size is adjusted according to the size of foaming prefabricated blank, makes the attenuation of prefabricated blank thickness and is in contact with one another and is combined with each other with steel plate through hot pressing then; Perhaps prefabricated blank still leaves certain clearance each other after hot pressing, and forms metallurgical binding with the steel plate contact portion.
(3) foamed aluminum sandwich plate of preparation steel and aluminium alloy compound:
But the above-mentioned foamed composite board that accompanies prefabricated blank is put among the die sleeve; Wherein the height of die sleeve cavity is adjustable; But it highly is greater than or equal to the thickness of foamed composite board, and then is heating 2 ~ 10min in 800 ~ 1100 ℃ the infrared ray foaming furnace with the die sleeve temperature of packing into, but after treating the foamed composite board complete expansion; Die sleeve is shifted out infrared ray foaming furnace and cooling, obtain the foamed aluminum sandwich plate product at last.
In the Infrared Heating foaming process, but take the die sleeve that foamed composite board is housed is all packed in the thermal treatment zone of infrared ray foaming furnace, foaming is by the time shifted out die sleeve after accomplishing again; Perhaps an end of die sleeve is packed in the thermal treatment zone of infrared ray foaming furnace into heating earlier while moving.
Directly die sleeve is directly carried out Infrared Heating,, in die sleeve, feed inert gas argon gas or nitrogen, or with being evacuated in the die sleeve, vacuum is that 0.01 ~ 1Pa carries out the infrared ray heating to die sleeve perhaps with airtight around the die sleeve.
After die sleeve shifted out the infrared ray foaming furnace, its type of cooling was taked nature cooling, air-cooled or water smoke cooling.
Prepare in the process at foamed aluminum sandwich plate; In order to improve the infrared ray efficiency of heating surface; It is 30 ~ 50% steel plate that the upper and lower panel of forming the die sleeve cavity should be selected monochromatic absorptivity; Maybe with the surface of steel plate plating black film of choosing, do not deform under extremely cold very hot state in order to make the steel plate of forming die sleeve, the steel plate thickness of selection is between 10 ~ 30mm.
The good effect that the present invention produces is:
1, the foam metal filled board of the present invention's preparation can be realized metallurgical binding between its foam core and the metal backing, has greatly improved the mechanical property of metal foaming material, widens the range of application of metal foaming material;
2, the present invention can prepare big specification foam metal filled board, through adjustment die sleeve height the thickness of filled board can be controlled very accurately, and the structural homogeneity and the reappearance of filled board inner foam core significantly improve simultaneously, and lumber recovery is near 100%;
3, the present invention adopts the infrared ray heating; Realized the quick preparation of foam metal filled board,, greatly reduced the inner bore diameter gradient of foam core because foaming and cool time are shorter; Eliminated the bubble-free layer that produces because of the gravity discharge opeing, foaming efficient significantly improves;
4, the present invention can prepare the foam metal filled board of different-thickness, and preparation section can carry out automatically control, for the semicontinuous preparation of the sandwich sheet material of foam metal is laid a good foundation.
Description of drawings
Fig. 1 is the process flow diagram that the present invention prepares foamed aluminum sandwich plate;
Fig. 2 is that the compound back of hot pressing steel plate combines microphoto with the interface of the prefabricated blank that can foam, wherein:
A: steel plate; B: steel plate and the interfacial diffusion layer between the prefabricated blank of can foaming; C: prefabricated blank can foam;
Fig. 3 is that foaming back steel plate combines microphoto with the interface of foamed aluminium sandwich layer, wherein:
A: steel plate; B: the interfacial diffusion layer between steel plate and the foamed aluminium layer; C: foamed aluminium sandwich layer.
The specific embodiment
The industrial chemicals that is adopted in the embodiments of the invention is to be bought in the market, and used steel plate is an ordinary carbon steel.
Embodiment 1:
With Al-12wt.%Si is alloy matrix aluminum, melts down and insulation 30min at 750 ℃, adds tackifier metal Ca and also stirs, and the addition of Ca is the 5wt.% of used aluminium alloy quality, and granularity is 6mm, and mixing speed is 1500r/min, and mixing time is 2min.The aluminium alloy melt temperature that will increase after sticking is reduced to 600 ℃, to wherein adding TiH 2And stir.Mixing speed is 1000r/min, and mixing time is 5min, TiH 2Granularity be 150 μ m, addition is the 0.5wt.% of matrix used alloy mass, before adding to TiH 2In air in 500 ℃ of following oxidation processes 5 hours.With the aluminum melt casting ingot-forming that obtains and hot rolling down, obtain the foamed prefabricated blank that thickness is 5mm, the porosity of the prefabricated blank that can foam is 20%;
The surface of steel plate thick to 1mm carries out oil removing, processing of rust removing, makes its matrix surface that exposes cleaning, and applying aqueous solution composition at surface of steel plate then is ZnCl 2: 80g/mL, AlCl 3: 10g/mL, NH 4Cl:15g/mL and LaCl 3: the fluxing agent of 0.4g/mL and hot dip acieral, the acieral composition is 55wt.%Al-Zn-1.5wt.%Si-0.1wt.%RE, forms the coating of the thick continuous densification of 50 μ m, polishing in again that 5mm is thick foamed prefabricated blank surface, removes descale.Foamed prefabricated blank after handling is placed in the middle of two steel plates that have coating; But carry out the foamed composite board that accompanies prefabricated blank that hot pressing can obtain 7mm thickness then; And the interface is a metallurgical binding between prefabricated blank and the steel plate; Hot pressing temperature is 600 ℃ in the hot pressing, and pressure is 15MPa, and hot pressing time is 5min;
But the foamed composite board that accompanies the thick prefabricated blank of 7mm is put among the die sleeve cavity, and wherein cavity height is fixed as 15mm, and it is 30% that the upper and lower panel of forming the die sleeve cavity is selected monochromatic absorptivity, and thickness is the steel plate of 10mm; Then die sleeve is all drawn in the thermal treatment zone of infrared ray foaming furnace; Make the upper and lower surfaces of die sleeve directly accept infra-red radiation; Heating Zone Temperature is 900 ℃; Heating and insulation are pulled out die sleeve behind the 6min, and the die sleeve upper and lower surfaces is implemented the water smoke cooling, can obtain the foamed aluminum sandwich plate that thickness is 15mm after opening die sleeve.
Embodiment 2
Embodiment 2 is identical with step among the embodiment 1, and difference is that the addition of Ca is the 2wt.% of used aluminium alloy quality, and mixing speed is 500r/min, and mixing time is 5min; TiH 2Addition be the 3wt.% of matrix used alloy mass, mixing speed is 3000r/min, mixing time is 2min, TiH 2Granularity be 30 μ m, before adding to TiH 2In air in 500 ℃ of following oxidation processes 1 hour.
Embodiment 3:
With Al-12wt.%Si-1wt.%Mg is alloy matrix aluminum, melts down and insulation 30min at 750 ℃, adds the SiC particle and also stirs; The addition of SiC is the 2wt.% of used aluminium alloy quality; Granularity is 10 μ m, and mixing speed is 1500r/min, and mixing time is 2min.The aluminium alloy melt temperature that will increase after sticking is reduced to 590 ℃, to wherein adding TiH 2And stir.Mixing speed is 2000 r/min, and mixing time is 3min, TiH 2Granularity be 80 μ m, addition is the 1.5wt.% of matrix used alloy mass, before adding to TiH 2500 ℃ of following oxidation processes 3 hours.With the aluminum melt casting ingot-forming that obtains and hot rolling down, obtain the foamed prefabricated blank that thickness is 10mm, the porosity of the prefabricated blank that can foam is 17%;
The surface of steel plate thick to 1mm carries out oil removing, processing of rust removing, makes its matrix surface that exposes cleaning, and applying aqueous solution composition at surface of steel plate then is ZnCl 2: 100g/mL, AlCl 3: 15g/mL, NH 4Cl:20g/mL and LaCl 3: the fluxing agent of 0.8g/mL and hot dip acieral, the acieral composition is 55wt.%Al-Zn-1.5wt.%Si-0.1wt.%RE, forms the coating of the thick continuous densification of 80 μ m; Polishing in again that 10mm is thick foamed prefabricated blank surface, removes descale, and the foamed prefabricated blank after handling is placed in the middle of two steel plates that have coating, leaves the gap of 5mm between the prefabricated blank.Can obtain the thick foamed composite board that accompanies prefabricated blank of 12mm but carry out hot pressing then, hot pressing temperature is 500 ℃ in the hot pressing, and pressure is 70MPa, and hot pressing time is 15min;
But the foamed composite board that accompanies prefabricated blank that 12mm is thick is put among the cavity of die sleeve, and wherein the die sleeve cavity height is fixed as 25mm, and the upper and lower panel selection monochromatic absorptivity of forming the die sleeve cavity is 40%, and thickness is the steel plate of 20mm; Then with carrying out airtight around the die sleeve and feeding nitrogen protection; With the die sleeve temperature of packing into is in the thermal treatment zone of 1100 ℃ of infrared ray foaming furnaces; Make the upper and lower surfaces of die sleeve directly accept infra-red radiation, the mode that adopts the limit heating edge to move foams, and the die sleeve front end is at least 4min through the time of the thermal treatment zone; The die sleeve that shifts out foaming furnace is implemented the nature cooling, can obtain the foamed aluminum sandwich plate that thickness is 25mm after opening die sleeve.
Embodiment 4
The difference of embodiment 4 and embodiment 3 is that the addition of tackifier SiC is the 10wt.% of used aluminium alloy quality, and granularity is 100 μ m, and mixing speed is 500r/min, and mixing time is 5min.
Embodiment 5:
With Al-5wt.%Mg-1wtCa% is alloy matrix aluminum, melts down and insulation 30min at 750 ℃, adds Al 2O 3Particle also stirs Al 2O 3Addition be the 2wt.% of used aluminium alloy quality, granularity is 5 μ m, mixing speed is 1500r/min, mixing time is 2min; The aluminium alloy melt temperature that will increase after sticking is reduced to 570 ℃, to wherein adding CaCO 3And stir CaCO 3Granularity be 40 μ m, addition is the 5wt.% of matrix used alloy mass, mixing speed is 3000 r/min, mixing time is 2min.With the aluminum melt casting ingot-forming that obtains and hot rolling down, obtain the foamed prefabricated blank that thickness is 30mm, the porosity of the prefabricated blank that can foam is 12%;
The surface of steel plate thick to 3mm carries out oil removing, processing of rust removing, makes its matrix surface that exposes cleaning, and applying aqueous solution composition at surface of steel plate then is ZnCl 2: 70g/mL, AlCl 3: 12g/mL, NH 4Cl:18g/mL and LaCl 3: the fluxing agent of 0.7g/mL and hot dip zinc-containing alloy, the zinc-containing alloy composition forms the coating of the thick continuous densification of 50 μ m for being Zn-5wt.%Al-1.5wt.%Mg.Polishing in again that 30mm is thick foamed prefabricated blank surface, removes descale.Foamed prefabricated blank after handling is placed in the middle of two steel plates that have coating, leaves the gap of 30mm between the prefabricated blank.Can obtain the thick foamed composite board that accompanies prefabricated blank of 36mm but carry out hot pressing then, hot pressing temperature is 500 ℃ in the hot pressing, and pressure is 10MPa, and hot pressing time is 5min;
The foamable composite plate of prefabricated blank that accompanies that 36mm is thick is put among the cavity of die sleeve, and wherein the die sleeve cavity height is fixed as 45mm, and it is 50% steel plate that the upper and lower panel of forming the die sleeve cavity is selected monochromatic absorptivity, and steel plate thickness is 30mm; Then with carrying out airtight around the die sleeve and feeding argon shield; Die sleeve is all drawn in the thermal treatment zone of infrared ray foaming furnace; Make the upper and lower surfaces of die sleeve directly accept infra-red radiation; Heating Zone Temperature is 800 ℃; Heating and insulation are pulled out die sleeve behind the 5min, and the die sleeve upper and lower surfaces are implemented air-cooled, can obtain the foamed aluminum sandwich plate that thickness is 45mm after opening die sleeve.
Embodiment 6
Embodiment 6 is tackifier Al with the difference of embodiment 5 2O 3The addition of particle is the 10wt.% of used aluminium alloy quality, and granularity is 80 μ m, and mixing speed is 500r/min, and mixing time is 5min; CaCO 3Addition be the 1wt.% of matrix used alloy mass, granularity is 150 μ m, mixing speed is 1000 r/min, mixing time is 5min.
Embodiment 7:
With Al-10wt.%Mg-3wtCa% is aluminum matrix alloy, melts down and insulation 30min at 750 ℃, adds the SiC particle and also stirs; The addition of SiC is the 6wt.% of matrix used alloy mass; Granularity is 50 μ m, and mixing speed is 1500r/min, and mixing time is 4min; The SiC particle was 800 ℃ of following heat treatments 2 hours; The aluminium alloy melt temperature that will increase after sticking is reduced to 550 ℃, to wherein adding CaCO 3And stir, mixing speed is 2000 r/min, mixing time is 4min, CaCO 3Granularity be 100 μ m, addition is 3 wt.% of matrix used alloy mass; With the aluminum melt casting ingot-forming that obtains and hot rolling down, obtain the foamed prefabricated blank that thickness is 50mm, the porosity of the prefabricated blank that can foam is 10%;
The surface of steel plate thick to 5mm carries out oil removing, processing of rust removing, makes its matrix surface that exposes cleaning, and applying aqueous solution composition at surface of steel plate then is ZnCl 2: 90g/mL, AlCl 3: 14g/mL, NH 4Cl:15g/mL and LaCl 3: the fluxing agent of 0.6g/mL and hot dip zinc-containing alloy, the zinc-containing alloy composition is Zn-5wt.%Al-1.5wt.%Mg, forms the coating of the thick continuous densification of 30 μ m.Polishing in again that 50mm is thick foamed prefabricated blank surface, removes descale.Foamed prefabricated blank after handling is placed in the middle of two steel plates that have coating, leaves the gap of 50mm between the prefabricated blank.Can obtain the thick foamed composite board that accompanies prefabricated blank of 60mm but carry out hot pressing then, hot pressing temperature is 400 ℃ in the hot pressing, and pressure is 40MPa, and the time is 15min;
But the foamed composite board that accompanies prefabricated blank that 60mm is thick is put among the cavity of die sleeve, and wherein the die sleeve cavity height is fixed as 60mm, and with the surface of steel plate plating black film of forming die sleeve cavity upper and lower panel, steel plate thickness is 10mm; With carrying out airtight and vacuumize around the die sleeve, vacuum is 0.01Pa then.Die sleeve is drawn in the thermal treatment zone that temperature is 1100 ℃ of infrared ray foaming furnaces; Make the upper and lower surfaces of die sleeve directly accept infra-red radiation; The mode that adopts the limit heating edge to move; The die sleeve front end is at least 3min through the time of the thermal treatment zone, and the die sleeve that shifts out foaming furnace is implemented the nature cooling, can obtain the foamed aluminum sandwich plate that thickness is 60mm after opening die sleeve.
Embodiment 8
The difference of embodiment 8 and embodiment 7 is with carrying out airtight around the die sleeve and vacuumize, and vacuum is 1Pa.
The method that the present invention uses also is suitable for preparing magnesium, zinc, lead or these metal alloys foam metal filled board as matrix.
The method that the present invention uses also is suitable for preparing with aluminum or aluminum alloy plate, titanium or titanium alloy sheet, nickel or nickel alloy plate and is the sandwich sheet material of the foam metal of panel.

Claims (9)

1. the preparation method of a foamed aluminum sandwich plate is characterized in that carrying out according to the following steps:
(1) earlier aluminium alloy is melted down and insulation 30min at 750 ℃, add tackifier and also stir, mixing speed is 500 ~ 1500r/min, and mixing time is 2 ~ 5min; The aluminium alloy melt temperature that will increase again after sticking is reduced to 550-600 ℃; To wherein adding blowing agent and stirring; Mixing speed is 1000 ~ 3000 r/min, and mixing time is 2 ~ 5min, at last with the above-mentioned aluminium alloy melt casting ingot-forming that stirs and hot rolling down; Obtaining thickness is 5 ~ 50mm, and porosity is less than 20% foamed prefabricated blank;
(2) earlier the thick surface of steel plate of 1 ~ 5mm is carried out oil removing, processing of rust removing, apply fluxing agent and carry out hot-dip at surface of steel plate then, form the thick coating of 20 ~ 100 μ m, the alloying component of coating is zinc-containing alloy or acieral;
Polished in the prefabricated blank surface of can foaming, be placed in the middle of two steel plates that have coating except that behind the descale, it is compound to carry out hot pressing then; In the hot pressing recombination process, when the surface of steel plate plating be zinc-containing alloy the time, then hot pressing temperature is 400 ~ 500 ℃, pressure is 5 ~ 50MPa, the time is 2 ~ 30min; When the surface of steel plate plating be acieral the time, then hot pressing temperature is 500 ~ 600 ℃, pressure is 10 ~ 80MPa, the time is 2 ~ 30min;
(3) but the above-mentioned foamed composite board that accompanies prefabricated blank is packed among the die sleeve; The adjustable height of die sleeve cavity; But it highly is greater than or equal to the thickness of foamed composite board, and then is heating 2 ~ 10min in 800 ~ 1100 ℃ the infrared ray foaming furnace with the die sleeve temperature of packing into, but after treating the foamed composite board complete expansion; Die sleeve is shifted out infrared ray foaming furnace and cooling, obtain the foamed aluminum sandwich plate product at last.
2. the preparation method of a kind of foamed aluminum sandwich plate as claimed in claim 1 is characterized in that described aluminium alloy is that composition is the alusil alloy of Al-12wt%Si, the alsimay of Al-12wt%Si-1wt%Mg or the magnalium calcium alloy of Al-(5 ~ 10) wt%Mg-(1 ~ 3) wt%Ca.
3. the preparation method of a kind of foamed aluminum sandwich plate as claimed in claim 1 is characterized in that described tackifier is calcium metal, carborundum powder or alumina powder, and wherein the addition of calcium metal is 2 ~ 5wt% of aluminium alloy quality, and granularity is 2 ~ 6mm; The addition of carborundum powder is 2 ~ 10wt% of used aluminium alloy quality, and granularity is 10 ~ 100 μ m; The addition of alumina powder is 2 ~ 10wt% of used aluminium alloy quality, and granularity is 5 ~ 80 μ m.
4. the preparation method of a kind of foamed aluminum sandwich plate as claimed in claim 1 is characterized in that described blowing agent is titantium hydride or calcium carbonate; Wherein the addition of titantium hydride is 0.5 ~ 3wt% of used aluminium alloy quality, and granularity is 30 ~ 150 μ m, and the titantium hydride of adding will carry out oxidation processes in advance, and the method for processing is to titantium hydride oxidation 1 ~ 5 hour in air under 500 ℃; The addition of calcium carbonate is 1 ~ 5wt% of used aluminium alloy quality, and granularity is 40 ~ 150 μ m.
5. the preparation method of a kind of foamed aluminum sandwich plate as claimed in claim 1; It is characterized in that in the hot pressing recombination process; The mutual seamless unoccupied place of the prefabricated blank that can foam is placed in the middle of two steel plates; The prefabricated blank that perhaps can foam is placed in the middle of two steel plates with leaving certain slit each other, and gap size is adjusted according to the size of foaming prefabricated blank.
6. the preparation method of a kind of foamed aluminum sandwich plate as claimed in claim 1; It is characterized in that in the Infrared Heating foaming process; But the die sleeve that foamed composite board is housed is all packed in the thermal treatment zone of infrared ray foaming furnace, and foaming is by the time shifted out die sleeve after accomplishing again; Perhaps an end of die sleeve is packed in the thermal treatment zone of infrared ray foaming furnace into heating earlier while moving.
7. the preparation method of a kind of foamed aluminum sandwich plate as claimed in claim 1, after it is characterized in that die sleeve shifted out the infrared ray foaming furnace, the type of cooling adopts nature cooling, air-cooled or water smoke cooling.
8. the preparation method of a kind of foamed aluminum sandwich plate as claimed in claim 1 it is characterized in that die sleeve is carried out feeding inert gas argon gas or nitrogen in the infrared ray heating forward direction die sleeve, or with being evacuated in the die sleeve, vacuum is 0.01 ~ 1Pa.
9. the preparation method of a kind of foamed aluminum sandwich plate as claimed in claim 1, it is 30 ~ 50% ordinary carbon steel that the upper and lower panel that it is characterized in that forming the die sleeve cavity is selected monochromatic absorptivity, steel plate thickness is between 10 ~ 30mm.
CN 201110196683 2011-07-14 2011-07-14 Preparation method of foamed aluminum sandwich plate Active CN102390135B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110196683 CN102390135B (en) 2011-07-14 2011-07-14 Preparation method of foamed aluminum sandwich plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110196683 CN102390135B (en) 2011-07-14 2011-07-14 Preparation method of foamed aluminum sandwich plate

Publications (2)

Publication Number Publication Date
CN102390135A true CN102390135A (en) 2012-03-28
CN102390135B CN102390135B (en) 2013-10-16

Family

ID=45857583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110196683 Active CN102390135B (en) 2011-07-14 2011-07-14 Preparation method of foamed aluminum sandwich plate

Country Status (1)

Country Link
CN (1) CN102390135B (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102634693A (en) * 2012-04-19 2012-08-15 四川元泰达有色金属材料有限公司 Aluminum-based sandwich panel for construction industry and preparation method thereof
CN103451492A (en) * 2013-09-06 2013-12-18 丹阳市国美汽配有限公司 Foamed aluminum material for vehicle bumper and preparation method thereof
CN105065896A (en) * 2015-07-28 2015-11-18 中国电子科技集团公司第二十九研究所 Closed-cell aluminum foam sandwich mounting board of load-carrying structure
CN105478994A (en) * 2015-12-08 2016-04-13 武汉理工大学 Tailor-welding molding method for foamed aluminum sandwiched components
CN105642671A (en) * 2016-01-11 2016-06-08 昆明理工大学 Preparation method of sandwich board with aluminium alloy foam core
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
CN106513637A (en) * 2016-10-19 2017-03-22 昆明理工大学 Preparing method of foamed aluminum sandwich plate
CN106624830A (en) * 2016-12-08 2017-05-10 尹先敏 Novel composite color steel plate assembly line equipment
CN106862572A (en) * 2017-01-24 2017-06-20 东莞市佳乾新材料科技有限公司 A kind of antiknock aluminium foam sandwich plate for building and preparation method thereof
CN107215038A (en) * 2017-06-22 2017-09-29 合肥汇之新机械科技有限公司 A kind of high metallic article of wearability
CN107552793A (en) * 2017-09-15 2018-01-09 中国民航大学 A kind of foamed aluminium filling in situ light-wall pipe and preparation method thereof
CN108136494A (en) * 2015-08-28 2018-06-08 斯洛伐克科学院机械工程材料研究所 Method, the component prepared by the method and the mold for being used to implement the method for component are prepared by metal foam
CN109759592A (en) * 2019-01-18 2019-05-17 清华大学 Powder metallurgic method prepares the foaming machine and foamed system of foam metal
CN110039849A (en) * 2019-04-28 2019-07-23 广东省材料与加工研究所 A kind of aluminium-based porous composite material sandwich structure and preparation method thereof
CN111842898A (en) * 2020-08-06 2020-10-30 航天特种材料及工艺技术研究所 Powder metallurgy diffusion method for preparing foamed aluminum, foamed aluminum prepared by powder metallurgy diffusion method and sandwich foamed aluminum plate
CN111923313A (en) * 2020-08-15 2020-11-13 江龙 Preparation method of building prefabricated composite building block

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3100803B1 (en) * 2015-06-03 2020-07-15 Havel metal foam GmbH Method and apparatus for manufacturing metal foam composite bodies

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19908867A1 (en) * 1999-03-01 2000-09-07 Arved Huebler Composite body useful in machine construction comprises metal foam and solid parts joined together by a metallurgical bond of fused adjoining material layers
WO2010055957A1 (en) * 2008-11-14 2010-05-20 株式会社豊田自動織機 Composite damping metal sheet and method for producing same
KR20110018647A (en) * 2009-08-18 2011-02-24 최경영 Construction material made of foamed aluminium and a manufacturing method thereof and a vacuum chamber using it
CN102002607A (en) * 2010-12-14 2011-04-06 东莞理工学院 Method for preparing foamed aluminum by foaming melt

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19908867A1 (en) * 1999-03-01 2000-09-07 Arved Huebler Composite body useful in machine construction comprises metal foam and solid parts joined together by a metallurgical bond of fused adjoining material layers
WO2010055957A1 (en) * 2008-11-14 2010-05-20 株式会社豊田自動織機 Composite damping metal sheet and method for producing same
KR20110018647A (en) * 2009-08-18 2011-02-24 최경영 Construction material made of foamed aluminium and a manufacturing method thereof and a vacuum chamber using it
CN102002607A (en) * 2010-12-14 2011-04-06 东莞理工学院 Method for preparing foamed aluminum by foaming melt

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张敏等: "泡沫铝夹芯板的制备技术", 《材料导报》 *
梁晓军等: "泡沫铝芯三明治板的粉末冶金制备及其板/芯界面研究", 《材料科学与工程学报》 *

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102634693B (en) * 2012-04-19 2013-11-06 四川元泰达有色金属材料有限公司 Aluminum-based sandwich panel for construction industry and preparation method thereof
CN102634693A (en) * 2012-04-19 2012-08-15 四川元泰达有色金属材料有限公司 Aluminum-based sandwich panel for construction industry and preparation method thereof
CN103451492A (en) * 2013-09-06 2013-12-18 丹阳市国美汽配有限公司 Foamed aluminum material for vehicle bumper and preparation method thereof
CN105065896A (en) * 2015-07-28 2015-11-18 中国电子科技集团公司第二十九研究所 Closed-cell aluminum foam sandwich mounting board of load-carrying structure
CN108136494A (en) * 2015-08-28 2018-06-08 斯洛伐克科学院机械工程材料研究所 Method, the component prepared by the method and the mold for being used to implement the method for component are prepared by metal foam
CN105478994A (en) * 2015-12-08 2016-04-13 武汉理工大学 Tailor-welding molding method for foamed aluminum sandwiched components
CN105478994B (en) * 2015-12-08 2018-10-09 武汉理工大学 The welding manufacturing process of foam aluminium sandwich sandwich component
CN105642671A (en) * 2016-01-11 2016-06-08 昆明理工大学 Preparation method of sandwich board with aluminium alloy foam core
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
CN106513637B (en) * 2016-10-19 2019-06-11 昆明理工大学 A kind of preparation method of aluminium foam sandwich plate
CN106513637A (en) * 2016-10-19 2017-03-22 昆明理工大学 Preparing method of foamed aluminum sandwich plate
CN106624830A (en) * 2016-12-08 2017-05-10 尹先敏 Novel composite color steel plate assembly line equipment
CN106862572A (en) * 2017-01-24 2017-06-20 东莞市佳乾新材料科技有限公司 A kind of antiknock aluminium foam sandwich plate for building and preparation method thereof
CN107215038A (en) * 2017-06-22 2017-09-29 合肥汇之新机械科技有限公司 A kind of high metallic article of wearability
CN107552793A (en) * 2017-09-15 2018-01-09 中国民航大学 A kind of foamed aluminium filling in situ light-wall pipe and preparation method thereof
CN107552793B (en) * 2017-09-15 2019-09-27 中国民航大学 A kind of preparation method of foamed aluminium filling in situ thin-wall tube
CN109759592A (en) * 2019-01-18 2019-05-17 清华大学 Powder metallurgic method prepares the foaming machine and foamed system of foam metal
CN110039849A (en) * 2019-04-28 2019-07-23 广东省材料与加工研究所 A kind of aluminium-based porous composite material sandwich structure and preparation method thereof
CN111842898A (en) * 2020-08-06 2020-10-30 航天特种材料及工艺技术研究所 Powder metallurgy diffusion method for preparing foamed aluminum, foamed aluminum prepared by powder metallurgy diffusion method and sandwich foamed aluminum plate
CN111842898B (en) * 2020-08-06 2022-07-19 航天特种材料及工艺技术研究所 Powder metallurgy diffusion method for preparing foamed aluminum, foamed aluminum prepared by powder metallurgy diffusion method and sandwich foamed aluminum plate
CN111923313A (en) * 2020-08-15 2020-11-13 江龙 Preparation method of building prefabricated composite building block

Also Published As

Publication number Publication date
CN102390135B (en) 2013-10-16

Similar Documents

Publication Publication Date Title
CN102390135B (en) Preparation method of foamed aluminum sandwich plate
Poletti et al. Production of titanium matrix composites reinforced with SiC particles
CN108326044B (en) Method for preparing foamed aluminum sandwich plate by liquid-phase mixed rolling and cladding
US8790572B2 (en) Titanium flat product production
US6659162B2 (en) Production of large-area metallic integral foams
CN110052615A (en) A kind of method that precinct laser fusion prepares high strength alumin ium alloy
CN100563874C (en) Be used to prepare the method for bubble aluminum alloy special-shaped member with even pore structure
DE19907855C1 (en) Manufacture of metal foams
CN103182507A (en) Production method of chromium-aluminium alloy target material
CN103194630A (en) Preparation method of SiCp/Al composite material with high volume fraction
CN106735245A (en) The method that powder forming prepares foam aluminum sandwich
CA2650605A1 (en) Method for production of composite bodies and composite bodies produced thereby
CA2454169C (en) A method for production of porous semiproducts from aluminum alloy powders
CN104818401A (en) Friction stir welding method for preparing closed-cell foam metal
WO2006005150A1 (en) Processes for production of foamed aluminum bodies from coated aluminum powder
JP2001515140A (en) Alloys for producing metal foams using powders containing nucleation additives
Ding et al. A novel hot-pressing method to prepare foamable precursor of aluminum foam sandwich (AFS)
CN108179300B (en) A kind of preparation method of foam magnesium sandwich plate
RU2444416C2 (en) Method of producing article from foamed aluminium-based laminar composite material
CN102676894A (en) Magnesium-based microcrystal alloy strip material and preparation method thereof
US11745262B2 (en) Method for foaming metal in a liquid bath
RU2465094C1 (en) Method of producing composite aluminium-boron sheets
Luo et al. Preparation of aluminum foam sandwich reinforced by steel sheets
CN102560167B (en) Aluminum alloy and preparation method thereof
CN112941358B (en) Preparation method of graphene-reinforced Mg-Al-Zn alloy

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant