CN105441748B - Aluminium alloy of modified 3004 and preparation method thereof, its thermal insulation door panel being made and technique - Google Patents
Aluminium alloy of modified 3004 and preparation method thereof, its thermal insulation door panel being made and technique Download PDFInfo
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- CN105441748B CN105441748B CN201510996563.5A CN201510996563A CN105441748B CN 105441748 B CN105441748 B CN 105441748B CN 201510996563 A CN201510996563 A CN 201510996563A CN 105441748 B CN105441748 B CN 105441748B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/161—Profile members therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7049—Specific panel characteristics
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention discloses the aluminium alloy formula of modified 3004, it is formulated by weight percentage（%）Calculate, concrete content composition includes：Si：≤0.30%;Fe：≤0.70%;Cu：0.50%~1.00%;Mn：1.00%~1.50%;Mg：1.50%~2.50%;Zn：0.50%~1.50%;Impurity summation≤0.15%（Single impurity≤0.05%）；Surplus Al.The manufacturing process of the aluminum plate unit of the preparation method that also discloses the aluminium alloy of modified 3004, the thermal insulation door panel structure being made of it and the thermal insulation door panel, it provides a kind of aluminium alloy formula of modified 3004 and manufacturing process, make it with more cheap cost and higher life-span, using in thermal insulation door panel structure, so as to reach the purpose for improving use intensity of 3004 series alloys in architectural aluminum section, antioxygenic property and service life.
Description
Technical field
Made the present invention relates to the aluminium alloy of modified 3004 from material prescription, technique to the purposes skill of its aluminium section bar being made
Art field, more particularly to aluminium alloy of modified 3004 and preparation method thereof, its thermal insulation door panel being made and technique.
Background technology
3004 aluminium alloys, its composition is Si（Silicon）≤ 0.30%, Fe（Iron）≤ 0.70%, Cu（Copper）0.25%, Mn（Manganese）
1.00%~1.50%, Mg（Magnesium）0.80%~1.30%, Zn（Zinc）0.25%, miscellaneous value summation≤0.15%（Single≤0.05%）, surplus
Al (aluminium).Originating from Alcoa association, after gradually promoted the use of by countries in the world, gradually form international standard ISO 209:
2007, China standard GB/T 3190-2008 think correspondence with it.This 3004 aluminium alloy, belongs to Al（Aluminium）-Mn（Manganese）-Mg（Magnesium）System
Wrought aluminium alloy, main alloy element is Mn and Mg.This series alloys has good processing characteristics, welding performance, antioxygen
Change and corrosion resistance, be widely used in the industries such as food and drink, construction material.
But be due to this alloy material intensity it is relatively low, and heat treatment reinforcement can not be carried out, in order that product has
Higher intensity, can only be processed cure process, because product is when being processed hardening, cause material internal to exist larger
Residual stress, product occurs first occurring the phenomenon such as local corrosion in stronger corrosive atmosphere, easily；While material
Intensity it is relatively low, also limit the use scope of product.While keeping material that there is preferable processing characteristics, further make
This material has a wider purposes, and many enterprises all the correlative study work such as are modified being engaged in this material.Do not changing
While becoming the anti-oxidant of material, decay resistance, make material that there is higher intensity, and processing characteristics more optimizes.Modern times build
Build worker-house room in the quick fineness of industry, particularly modern architecture industry build, it is necessary to possess lightweight, simplicity, it is quick build and
The requirement of dismounting, when ensureing that material has preferable assembly properties, product will also have dismountable feature repeatedly.
Particularly, under marine climate environment and plateau climate environment, the season of marine climate environment precipitation
Distribution ratio is more uniform, and rainy days is more, but intensity is small.Plateau climate condition, cold drying, sunshine-duration are long, and solar radiation is strong,
Day and night temperature is big.Both climatic environment temperature, humidity and intensity of solar radiation conversion are frequent in general, will be existing
The door and window that 3004 aluminum alloy materials make, is easily corroded, service life is not long by both amblent air temperatures.Additionally due to aluminium
Alloy mass is more frivolous, the aluminium door being directly made using it, is on the one hand easily deformed, and is on the other hand difficult to deal with cold and big
Wind weather, even if aluminum alloy corrosion resistant, but its cold tolerance is still poor.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides aluminium alloy of modified 3004 and preparation method thereof,
Its thermal insulation door panel being made and technique, its object is to provide a kind of aluminium alloy formula of modified 3004 and manufacturing process,
Make it with more cheap cost and higher life-span, using in thermal insulation door panel structure, so as to reach the series of raising 3004
Use intensity and erosion-resisting performance of the aluminium alloy in architectural aluminum section are so as to fit Yu Haiyang weather and altitude environment
The aluminium thermal insulation door panel used.
The technical solution adopted in the present invention is：The aluminium alloy formula of modified 3004, it is formulated the meters of % by weight percentage
Calculate, concrete content composition includes：
Si：≤0.30% Fe：≤0.70% Cu：0.50%~1.00%
Mn：1.00%~1.50% Mg：1.50%~2.50% Zn：0.50%~1.50%
Impurity summation≤0.15%（Single impurity≤0.05%）；Surplus Al.The present invention the aluminium alloy of modified 3004 be
On original formulation, Cu, Mg and Zn element in alloy are finely adjusted so that it has higher intensity and anti-oxidant, corrosivity
Can, and manufacturing process is simple, price is relatively low.
Further improvement of the present invention is, on the basis of including above-mentioned content, the modified alloy in the later stage of melting,
Also need to add zirconium Zr and/or strontium Sr metallic elements, improve the solidification and crystallization mode of alloy, the alloy pig internal grain tissue of production
It is fine and closely woven, uniform；Alloy cast ingot material is in subsequent deformation processing, and processing is easier, it is not easy to defect occur, to lift material
The effective content that the effective content of performance, wherein Zr is 0.10%~0.20%, Sr is 0.05%~0.15%.Meanwhile, modified
The surface oxidation-resistant of 3004 aluminium alloys is further lifted.
The process of the aluminium alloy of modified 3004 is prepared, using gas furnace smelting technology, and by alloying component
Optimize control and improve；Comprise the following steps：
S101, the melt material of aluminium alloy 3004：The 3004 qualified aluminium alloy cast ingots directly come from market purchase, pre-
Oven is heated to 240 DEG C~270 DEG C, put into gas furnace fusing, wherein the fusion temperature of alloy pig be 715 DEG C~
735℃；
S102, adds the coverture configured：During alloy gradually melts, divide at least 3 times and be gradually added into configuration
Good coverture NaCl and KCl, wherein NaCl and KCl proportioning are 1:1；
S103, after the completion of fusing, spectrum analysis material composition, according to material actual constituent, adds according to above-mentioned material composition
Enter spectrum analysis after Al-Cu, Al-Mg and Al-Zn intermediate alloy, fusing and check material composition, meet above-mentioned requirements；
S104, adjustment fusing furnace temperature, makes aluminium alloy temperature reach 740 DEG C~750 DEG C, molten aluminium alloy is refined
Processing, refining agent is N2-Cl2 mixed gas, 8~10 minutes time, removes the scum silica frost on surface；
S105, aluminium alloy temperature is reduced to 715 DEG C~735 DEG C, adds alterant Al-Zr and/or Al-Sr intermediate alloy,
And with spoon mild agitation aluminium alloy, during agitation, it is impossible to break the coverture on aluminium alloy surface；
S106, the analysis of aluminium alloy composition spectrum；
S107, after composition is qualified, aluminium alloy stands and cooled to up to 700 DEG C~710 DEG C, carries out aluminium alloy semi-continuous casting
Ingot blank, thickness is 70mm~80mm；
S108, performance test：To alloy pig machine-shaping material, room temperature plate stretch performance test is carried out.
Further improvement of the present invention is, during the step S1 melt material of aluminium alloy 3004, by its preliminary drying oven
250-260 DEG C is heated to, gas furnace fusing is put into, the wherein fusion temperature of alloy pig is 720 DEG C~730 DEG C.
Aluminium alloy temperature is reduced to 720 DEG C~730 DEG C in step S5, adds in the middle of alterant Al-Zr and/or Al-Sr and closes
Gold, and with spoon mild agitation aluminium alloy, during agitation, it is impossible to break the coverture on aluminium alloy surface.
Based on the thermal insulation door panel of the aluminium alloy of modified 3004, including be fixed together by I-shaped connector several
Aluminum plate unit, each aluminum plate unit includes the left and right supporting part for being symmetrically disposed in the spine left and right sides, left support portion and the right side
Supporting part is set diagonally downward respectively relative to the bottom of spine；Spine includes the left and right end difference being symmetrical set, and sets
Put the cavity in its bottom；Each left end difference and right end difference are respectively equipped with the step unit no less than three, each
The outstanding edge part of step unit is provided with chamfering or draft angle；It is respectively arranged with left support portion and right support portion some
Root strengthens muscle；Each enhancing muscle bottom is provided with enhancing chamber, and the cavity of the spine of each aluminum plate unit is interior to be provided with filler
One, the enhancing intracavitary of each enhancing muscle is provided with filler two；Bottom positioned at filler one and filler two is additionally provided with backplate.
Body supports knot of the aluminum plate unit that directly aluminium alloy of modified 3004 is made for the thermal insulation door panel of the present invention as thermal insulation door panel
Structure, and the aluminum plate unit is arranged on into including along the symmetrical inclined left and right supporting part of left and right ladder spine and, each is left
Supporting part and right support portion surface are respectively equipped with some enhancing muscle, and each enhancing muscle bottom is provided with enhancing chamber, enhancing and spine
Cavity in be respectively equipped with filler one and filler and, be on the one hand the weight for playing Auxiliary support aluminum plate unit,
On the other hand insulation and heat-insulated effect are also functioned to；The last present invention sets backplate in the bottom of filler, and filler is played
Protective effect, while playing a part of support to total, with preferable using effect.The structure of the present invention, relative to
Prior art, its is simple in construction, and thermal insulation door panel is just only made using only aluminium section bar, filler and backplate, when it is installed and used,
Save process and material.Also, the thermal insulation door panel supports its alien invasion using aluminium, it can play anti-oxidant, resistance to well
Corrosive nature, the climatic environment for being adapted to ocean or plateau is used, with longer service life.In addition, using modified
The aluminium section bar that 3004 aluminium alloys are made, it is relative with relative to existing aluminium, with higher intensity, so its support performance
It is stronger.
Further improvement of the present invention is that filler two is filled and corresponding enhancing intracavitary；Filler one and filler
Two be heat-preservation cotton.With preferable heat insulating effect, and lighter in weight.
Further improvement of the present invention is that each I-shaped connector includes left and right connecting portion, and left connecting portion
It is inclined upwardly respectively with right connecting portion, so that assembling of preferably being fitted with aluminum plate unit, and then play a part of rain-proof.
Further improvement of the present invention is, each I-shaped connector by positioned at its left and right connecting portion, top
Press strip is fixed on aluminum plate unit, strengthens the bonding strength between it.
A kind of process for the aluminum plate unit for manufacturing above-mentioned thermal insulation door panel, comprises the following steps：
S111, aluminium ingot base Homogenization Treatments:Carried out inside resistance-heated furnace, burner hearth internal temperature is 520 DEG C~530
DEG C, homogenization time is 6 hours~8 hours；
S112, homogenizes aluminium ingot base hot rolling:It is 520 DEG C to start hot-rolled temperature, and hot rolling final temperature is 260 DEG C, after rolling
Sotck thinkness be 7.5mm~8.0mm；
S113, annealing：Above-mentioned blank is cold-rolled to after 3.5mm~4.5mm, recrystallization annealing processing, annealing is carried out
Temperature is 270 DEG C~280 DEG C, and annealing time is 12 hours~13 hours；
S114, it is cold rolling：Above-mentioned blank is carried out again once or repeatedly it is cold rolling, to final thickness 0.5mm~1.0mm；
S115, punch forming：It is put into mould, die surface smears lubricant, 380 DEG C~400 DEG C of mold temperature is right
Sheet material carries out hot-die punch forming, drawing velocity 5mm/ seconds~15mm/ seconds, 0.5 minute~1 minute dwell time；
S116, cleaning：Acid-base neutralization cleaning is carried out to product, the greasy dirt on surface, wherein soda-wash solution NaOH concentration is removed
10%~20%, Acidwash solution HNO3 concentration 10%~20%；
S117, the processing of semi-finished product finished products：Annealing temperature is 200 DEG C~220 DEG C, and annealing time is that 1 minor clock~2 are small
When.
Further improvement of the present invention is, in step S117 finished products handling process, annealing temperature be 200 DEG C~
215 DEG C, annealing time is 1 minor clock~1.5 hour；And after the completion of the step S117, carry out S118 step finishing finished products：
It is drawn off after natural cooling, finishing obtains aluminum plate unit finished product.
Compared with prior art, the beneficial effects of the invention are as follows：The aluminium alloy formula of modified 3004 of the present invention in Mg and
Zn, Cu, it is finely adjusted in original proportioning, adds alterant Zr and/or Sr so that it has higher intensity and inoxidizability
Can, and material producing process is succinct, and price is relatively low.
In addition, the aluminium alloy of modified 3004 obtained using above-mentioned formula and manufacturing process, itself in use, have compared with
Good service life and antioxygenic property and intensity.So, thermal insulation door panel of the invention is directly by the aluminium alloy system of modified 3004
Into aluminum plate unit as the main body supporting structure of thermal insulation door panel, and the aluminum plate unit 11 is arranged on into including along left and right ladder
The symmetrical inclined left and right supporting part 1 and 10 of spine 2, each left support portion 1 and the surface of right support portion 10 are respectively equipped with some
Strengthen muscle 4, each enhancing muscle 4 bottom, which is provided with, strengthens chamber 41, and filler 1 is respectively equipped with the cavity 3 of enhancing 41 and spine 2
With filler and 9, be on the one hand the weight for playing Auxiliary support aluminum plate unit, on the other hand also function to insulation and it is heat-insulated
Effect；The last present invention sets backplate 7 in the bottom of filler, filler is played a protective role, while to total
Play a part of support, with preferable using effect.
The structure of the present invention, relative to prior art, its is simple in construction, only using only aluminium section bar, filler and backplate just
Thermal insulation door panel is made, when it is installed and used, process and material is saved.Also, the thermal insulation door panel is supported outside it using aluminium
Facade, can play good anti-oxidant, decay resistance, the climatic environment for being adapted to ocean or plateau is used, with longer
Service life.In addition, the aluminium section bar being made using the aluminium alloy of modified 3004, relative to existing 3004 aluminium, with compared with
High intensity, so its support performance is also stronger.
Aluminium alloy of modified 3004 of the present invention and preparation method thereof, the thermal insulation door panel structure being made of it, it is provided
A kind of aluminium alloy formula of modified 3004 and manufacturing process, make it with more cheap cost and higher life-span, make
In thermal insulation door panel structure, use intensity of 3004 series alloys in architectural aluminum section, antioxygen are improved so as to reach
Change the purpose of performance and service life.
Brief description of the drawings
Fig. 1 is the flow chart of the one embodiment for the process for preparing the aluminium alloy of modified 3004；
Fig. 2 is the front view of the aluminum plate unit of one embodiment of the thermal insulation door panel based on the aluminium alloy of modified 3004；
Fig. 3 is the positive three dimensional structure diagram of the aluminum plate unit of Fig. 2 embodiment；
Fig. 4 is the bottom three dimensional structure diagram of the aluminum plate unit of Fig. 2 embodiment；
Fig. 5 is the thermal insulation door panel three dimensional structure diagram of the aluminum plate unit of the embodiment using Fig. 2；
Fig. 6 is the three dimensional structure diagram of another angle of Fig. 5 embodiment；
Fig. 7 is the three dimensional structure diagram of the bottom of Fig. 5 embodiment；
The three dimensional structure diagram of the amplification for the connector that Fig. 8 uses for the thermal insulation door panel of the embodiment in Fig. 5；
Fig. 9 is the connection effect schematic diagram between the thermal insulation door panel of the embodiment in Fig. 5；
Figure 10 is the partial enlargement structural representation at A in Fig. 9；
Figure 11 is the process chart of production thermal insulation door panel.
Wherein：1- left supports portion, 2- spine, the left end differences of 21-, the right end differences of 22-；3- cavitys, 4- enhancing muscle, 41- increases
Strong chamber；5- fillers one, 6- connectors, the left connecting portions of 61-, the right connecting portions of 62-；7- backplates, 8- press strips, 9- fillers two, 10-
Right support portion, 11- aluminum plate units, 12- chamferings or draft angle.
Embodiment
In order to deepen the understanding of the present invention, the present invention is further described with reference to the accompanying drawings and examples, the implementation
Example is only used for explaining the present invention, and protection scope of the present invention is not constituted and limited.
Embodiment 1
The aluminium alloy formula of modified 3004, it is formulated by weight percentage（%）Calculate, specific component content includes：
Si：≤0.30% Fe：≤0.70% Cu：0.50%~1.00%
Mn：1.00%~1.50% Mg：1.50%~2.50% Zn：0.50%~1.50%
Single impurity≤0.05% of impurity summation≤0.15%；Surplus Al.
In the above-described embodiments, on the basis of including above-mentioned content, the modified alloy also needs to add in the later stage of melting
Zirconium Zr and/or strontium Sr metallic elements, to lift the performance of material, wherein Zr effective content having for 0.10%~0.20%, Sr
It is 0.05%~0.15% to imitate content.There is further lifting to the surface oxidation-resistant of the aluminium alloy of modified 3004.
As shown in figure 1, preparing the process of the aluminium alloy of modified 3004, using gas furnace smelting technology, and pass through
Control is optimized to alloying component and is improved；Comprise the following steps：
S101, the melt material of aluminium alloy 3004：The 3004 qualified aluminium alloy cast ingots directly come from market purchase, pre-
Oven is heated to 240 DEG C~270 DEG C, put into gas furnace fusing, wherein the fusion temperature of alloy pig be 715 DEG C~
735℃；
S102, adds the coverture configured：During alloy gradually melts, divide at least 3 times and be gradually added into configuration
Good coverture NaCl and KCl, wherein NaCl and KCl proportioning are 1:1；
S103, after the completion of fusing, spectrum analysis material composition, according to the true composition of material, adds according to above-mentioned material composition
Enter Al-Cu, Al-Mg and Al-Zn intermediate alloys, spectrum analysis checks material composition after fusing, meets above-mentioned requirements；
S104, adjustment fusing furnace temperature, makes aluminium alloy temperature reach 740 DEG C~750 DEG C, molten aluminium alloy is refined
Processing, refining agent is N2-Cl2 mixed gas, 8~10 minutes time, removes the scum silica frost on surface；
S105, aluminium alloy temperature is reduced to 715 DEG C~735 DEG C, adds alterant Al-Zr and/or Al-Sr intermediate alloy,
And with spoon mild agitation aluminium alloy, during agitation, it is impossible to break the coverture on aluminium alloy surface；
S106, the analysis of aluminium alloy composition spectrum；
S107, after composition is qualified, aluminium alloy stands and cooled to up to 700 DEG C~710 DEG C, carries out aluminium alloy semi-continuous casting
Ingot blank, thickness is 70mm~80mm；
S108, performance test：To alloy pig machine-shaping material, progress includes its composition, room temperature plate stretch performance.
In the above-described embodiments, during the step S1 melt material of aluminium alloy 3004, by its prebake conditions stove heat to 250
DEG C~260 DEG C, gas furnace fusing is put into, the wherein fusion temperature of alloy pig is 720 DEG C~730 DEG C.
Embodiment 2
Further, according to the method for above-described embodiment 1, alloying component and material preparation method are made improvements, it is improved
For：
Si：≤0.30% Fe：≤0.70% Cu：0.90%~1.00%
Mn：1.00%~1.50% Mg：2.20%~2.50% Zn：1.20%~1.50%
Single impurity≤0.05% of impurity summation≤0.15%；Surplus Al.
Alloy adds zirconium Zr metallic elements, to lift the performance of material, wherein Zr effective content is in the later stage of melting
0.18%~0.20%.
And in step S1, the fusion temperature of middle alloy pig is 730 DEG C~735 DEG C；
In step S5, aluminium alloy temperature is reduced to 730 DEG C~735 DEG C, adds alterant Al-Zr.
Embodiment 3
Further, according to the method for above-described embodiment 1, alloying component and material preparation method are made improvements, it is improved
For：
Si：≤0.30% Fe：≤0.70% Cu：0.50%~0.60%
Mn：1.00%~1.50% Mg：1.50%~1.80% Zn：0.50%~0.80%
Single impurity≤0.05% of impurity summation≤0.15%；Surplus Al.
Alloy adds strontium Sr metallic elements, to lift the performance of material, wherein Sr effective content is in the later stage of melting
0.13%~0.15%.
And in step S1, the fusion temperature of middle alloy pig is 715 DEG C~720 DEG C；
In step S5, aluminium alloy temperature is reduced to 715 DEG C~720 DEG C, adds alterant Al-Sr.
Embodiment 4
Further, according to the method for above-described embodiment 1, alloying component and material preparation method are made improvements, it is improved
For：
Si：≤0.30% Fe：≤0.70% Cu：0.70%~0.80%
Mn：1.00%~1.50% Mg：2.00%~2.10% Zn：0.90%~1.10%
Single impurity≤0.05% of impurity summation≤0.15%；Surplus Al.
Alloy adds zirconium Zr and strontium Sr metallic elements in the later stage of melting, to lift the performance of material, wherein wherein Zr
The effective content that effective content is 0.10%~0.12%, Sr is 0.05%~0.08%.
And in step S1, the fusion temperature of middle alloy pig is 725 DEG C~730 DEG C；
In step S5, aluminium alloy temperature is reduced to 725 DEG C~730 DEG C, adds alterant Al-Zr and Al-Sr.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 7, based on the thermal insulation door panel of the aluminium alloy of modified 3004, including pass through work
Several aluminum plate units 11 that font connector 6 is fixed together, each aluminum plate unit includes being symmetrically disposed in the left side of spine 2
The left and right supporting part 1 and 10 of right both sides, left support portion 1 and right support portion 10 are tilted towards dividing into respectively relative to the bottom of spine 2
Put；Spine 2 includes the left and right end difference 21 and 22 being symmetrical set, and is arranged on the cavity 3 of its bottom；Each left rank
Terraced portion 21 and right end difference 22 are respectively equipped with the step unit no less than three, the outstanding edge part of each step unit
Provided with chamfering or draft angle 12；Some enhancing muscle 4 are respectively arranged with left support portion 1 and right support portion 10；Each increases
The bottom of strengthening tendons 4 is provided with enhancing chamber 41, and the cavity 3 of the spine 2 of each aluminum plate unit 11 is interior to be provided with filler 1, each increasing
Filler 29 is provided with the enhancing chamber 41 of strengthening tendons 4；Backplate 7 is additionally provided with positioned at the bottom of filler 1 and filler 29.
In the above-described embodiments, referring to Fig. 7, the filling of filler 29 strengthens in chamber 41 with corresponding；Filler 1 and fill out
Thing 29 is filled for heat-preservation cotton.With preferable heat insulating effect, and lighter in weight.
In the above-described embodiments, as shown in Fig. 5, Fig. 6 and Fig. 8, each I-shaped connector 6 includes left and right connecting portion
61,62, and left connecting portion 61 and right connecting portion 62 be inclined upwardly respectively, so that assembling of preferably being fitted with aluminum plate unit, enters
And play a part of rain-proof, referring to Fig. 9 and Figure 10.Each I-shaped connector 6 passes through positioned at its left and right connecting portion 61,62
The press strip 8 at top is fixed on aluminum plate unit, strengthens the bonding strength between it.
Embodiment 5
A kind of process for the aluminum plate unit for manufacturing above-mentioned thermal insulation door panel, the ingot casting that Application Example 1 is produced carries out heat
Roll and processed with die forging, it mainly comprises the following steps：
1) ingot blank Homogenization Treatments, are carried out inside resistance-heated furnace, and burner hearth internal temperature is 520 DEG C~530 DEG C, uniformly
The change time is 6 hours~8 hours；
2) ingot blank hot rolling is homogenized, it is 520 DEG C to start hot-rolled temperature, hot rolling final temperature is 260 DEG C, the blank after rolling
Thickness is 7.5mm~8.0mm；
3) above-mentioned blank is cold-rolled to after 3.5mm~4.5mm, carry out recrystallization annealing processing, annealing temperature be 270 DEG C~
280 DEG C, annealing time is 12 hours~13 hours；
4) above-mentioned blank is carried out again once or repeatedly it is cold rolling, to final thickness 0.5mm~1.0mm；
5) sheet material completed will be rolled, be put into mould, die surface smears lubricant, mold temperature 380 DEG C~400
DEG C, hot-die punch forming, drawing velocity 5mm/ seconds~15mm/ seconds, 0.5 minute~1 minute dwell time are carried out to sheet material；
6) acid-base neutralization cleaning is carried out to product, removes the greasy dirt on surface, wherein soda-wash solution NaOH concentration 10%~20%,
Acidwash solution HNO3 concentration 10%~20%；
7) finished product is made annealing treatment, annealing temperature is 200 DEG C~220 DEG C, annealing time is 1 minor clock~2 hour.
Embodiment 6
Further, according to the method for above-described embodiment 5, hot rolling is carried out to the ingot casting of embodiment 2 and die forging is processed, it changes
Enter for：
Step 1) ingot blank Homogenization Treatments, carried out inside resistance-heated furnace, burner hearth internal temperature is 525 DEG C~530 DEG C,
Homogenization time is 8 hours；
Step 3) above-mentioned blank is cold-rolled to after 3.5mm~4.5mm, recrystallization annealing processing is carried out, annealing temperature is 275
DEG C~280 DEG C, annealing time is 13 hours；
5) sheet material completed will be rolled, be put into mould, die surface smears lubricant, mold temperature 390 DEG C~400
DEG C, hot-die punch forming, drawing velocity 5mm/ seconds~10mm/ seconds, 0.8 minute~1 minute dwell time are carried out to sheet material；
Embodiment 7
Further, according to the method for above-described embodiment 5, hot rolling is carried out to the ingot casting of embodiment 3 and die forging is processed, it changes
Enter for：
Step 1) ingot blank Homogenization Treatments, carried out inside resistance-heated furnace, burner hearth internal temperature is 525 DEG C~530 DEG C,
Homogenization time is 6.0 hours；
Step 3) above-mentioned blank is cold-rolled to after 3.5mm~4.5mm, recrystallization annealing processing is carried out, annealing temperature is 260
DEG C~270 DEG C, annealing time is 12 hours；
5) sheet material completed will be rolled, be put into mould, die surface smears lubricant, mold temperature 390 DEG C~400
DEG C, hot-die punch forming, drawing velocity 5mm/ seconds~10mm/ seconds, 0.8 minute~1 minute dwell time are carried out to sheet material.
Embodiment 8
Further, according to the method for above-described embodiment 5, hot rolling is carried out to the ingot casting of embodiment 3 and die forging is processed, it changes
Enter for：
Step 1) ingot blank Homogenization Treatments, carried out inside resistance-heated furnace, burner hearth internal temperature is 525 DEG C~530 DEG C,
Homogenization time is 7 hours；
Step 3) above-mentioned blank is cold-rolled to after 3.5mm~4.5mm, recrystallization annealing processing is carried out, annealing temperature is 275
DEG C~280 DEG C, annealing time is 12.5 hours.
In summary, the ingot blank material that according to embodiments of the present invention 1 to 4 method is prepared, it is separately sampled to be closed
The spectrum analysis of gold element, obtains the interdependent material composition in table 1.Simultaneously with the blank of gained, according to the side of embodiment 5 to 8
Method is processed, and is obtained sheet material and is sampled carry out Mechanics Performance Testing, test result is as shown in table 1.
According to material theory, the Al-Mn-Mg series of transformations alloys in aluminium alloy, in order to obtain the optimal of alloy product
Change performance, it is most efficient method to carry out improvement to alloy material structure composition, the product for making alloy pig and being produced has
Even, fine and closely woven interior tissue, be material there is excellent mechanical property, corrosion-resistant and antioxygenic property necessary condition.In this hair
In bright, in order to obtain desired performance, alloying component is optimized first, the present invention is directed in 3004 material compositions
Cu, Mg and Zn element are optimized, during optimized alloy composition, in order to obtain more preferable ingot blank tissue, are added rotten
Agent Zr and/or Sr.
The material composition and mechanical property test parameter comparison of aluminium alloy in table 1, embodiment 1-4.
Table 1 is the specific signal component value of embodiment resulting materials, and sampling after sheet material is made of resulting materials carries out mechanics
The numerical value of performance test.Embodiment 1 adjusts Cu, Mg and Zn element in alloy simultaneously, and adds Zr and Sr, and gained is basis
Composition, the performance of material is in desired lower limit.Intermediate value region is required in order to be met, while verifying the adjustable of alloying component
Scope, and add the addition of alterant element.Carry out embodiment 2,3 and 4 to verify, learnt from the result of checking, improve 3004
The performance of material, while being adjusted to alloying component, can be individually added into Zr, Sr, and two elements can be also added simultaneously.And add
Enter amount adjustable within the specific limits.Best Adding Way is while adding Zr and Sr, and their addition optimum value 0.1 is left
It is right.
Aluminium alloy of modified 3004 of the present invention and preparation method thereof, the thermal insulation door panel structure being made of it, it is provided
A kind of aluminium alloy formula of modified 3004 and manufacturing process, make it with more cheap cost and higher life-span, make
In thermal insulation door panel structure, use intensity of 3004 series alloys in architectural aluminum section, antioxygen are improved so as to reach
Change the purpose of performance and service life.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, the ordinary skill people of this area
Member, easily according to above-described embodiment, understands the spirit of the present invention, and makes different amplifications and change, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (10)
1. the aluminium alloy of modified 3004, it is characterised in that：It is formulated by weight percentage（%）Calculate, concrete content composition includes：
Si：≤0.30%Fe：≤0.70%Cu：0.50%~1.00%
Mn：1.00%~1.50%Mg：1.50%~2.50%Zn：0.50%~1.50%；Zr effective content is 0.10%~0.20%,
Sr effective content is 0.05%~0.15%
Impurity summation≤0.15%, single impurity≤0.05%；Surplus Al；
The aluminium alloy preparation method of modified 3004 is as follows：
Using gas furnace smelting technology, and by optimizing control to alloying component and improving；It is characterized in that：Including such as
Lower step：
S101, the melt material of aluminium alloy 3004：The 3004 qualified aluminium alloy cast ingots directly come from market purchase, in prebake conditions
Stove heat is put into gas furnace fusing, the wherein fusion temperature of alloy pig is 715 DEG C~735 DEG C to 240 DEG C~270 DEG C；
S102, adds the coverture configured：During alloy gradually melts, divide at least 3 times and be gradually added into what is configured
Coverture NaCl and KCl, wherein NaCl and KCl proportionings are 1:1；
S103, spectrum analysis checks material composition：After the completion of fusing, spectrum analysis material composition, according to the true composition of material, is pressed
Al-Cu, Al-Mg and Al-Zn intermediate alloy are added according to above-mentioned material composition, spectrum analysis checks material composition after fusing, meets
Above-mentioned requirements；
S104, adjustment fusing furnace temperature, makes aluminium alloy temperature reach 740 DEG C~750 DEG C, molten aluminium alloy is carried out at refining
Reason, refining agent is N2-Cl2Mixed gas, 8~10 minutes time, removes the scum silica frost on surface；
S105, aluminium alloy temperature is reduced to 715 DEG C~735 DEG C, adds alterant Al-Zr and/or Al-Sr intermediate alloy, is used in combination
Spoon mild agitation aluminium alloy, during agitation, it is impossible to break the coverture on aluminium alloy surface；
S106, the analysis of aluminium alloy composition spectrum；
S107, after composition is qualified, aluminium alloy stands and cooled to up to 700 DEG C~710 DEG C, carries out aluminium alloy semi-continuous casting ingot
Base, thickness is 70mm~80mm；
S108, performance test：Including its composition, room temperature plate stretch performance.
2. the aluminium alloy of modified 3004 according to claim 1, it is characterised in that：Zirconium Zr and/or strontium Sr the metal member
Element is to be added in the aluminium alloy of modified 3004 in the later stage of melting.
3. the process of the aluminium alloy of modified 3004 described in claim 1 or 2 is prepared, using gas furnace smelting technology,
And by optimizing control to alloying component and improving；It is characterized in that：Comprise the following steps：
S101, the melt material of aluminium alloy 3004：The 3004 qualified aluminium alloy cast ingots directly come from market purchase, in prebake conditions
Stove heat is put into gas furnace fusing, the wherein fusion temperature of alloy pig is 715 DEG C~735 DEG C to 240 DEG C~270 DEG C；
S102, adds the coverture configured：During alloy gradually melts, divide at least 3 times and be gradually added into what is configured
Coverture NaCl and KCl, wherein NaCl and KCl proportionings are 1:1；
S103, spectrum analysis checks material composition：After the completion of fusing, spectrum analysis material composition, according to the true composition of material, is pressed
Al-Cu, Al-Mg and Al-Zn intermediate alloy are added according to above-mentioned material composition, spectrum analysis checks material composition after fusing, meets
Above-mentioned requirements；
S104, adjustment fusing furnace temperature, makes aluminium alloy temperature reach 740 DEG C~750 DEG C, molten aluminium alloy is carried out at refining
Reason, refining agent is N2-Cl2Mixed gas, 8~10 minutes time, removes the scum silica frost on surface；
S105, aluminium alloy temperature is reduced to 715 DEG C~735 DEG C, adds alterant Al-Zr and/or Al-Sr intermediate alloy, is used in combination
Spoon mild agitation aluminium alloy, during agitation, it is impossible to break the coverture on aluminium alloy surface；
S106, the analysis of aluminium alloy composition spectrum；
S107, after composition is qualified, aluminium alloy stands and cooled to up to 700 DEG C~710 DEG C, carries out aluminium alloy semi-continuous casting ingot
Base, thickness is 70mm~80mm；
S108, performance test：Including its composition, room temperature plate stretch performance.
4. process according to claim 3, it is characterised in that：The step S1 melt material process of aluminium alloy 3004
In, by its prebake conditions stove heat to 250 DEG C~260 DEG C, gas furnace fusing is put into, the fusion temperature of wherein alloy pig is
720 DEG C~730 DEG C.
5. the thermal insulation door panel based on the aluminium alloy of modified 3004 described in claim 1 or 2, it is characterised in that：Including passing through work
Font connector（6）Several aluminum plate units being fixed together（11）, each described aluminum plate unit is including being symmetrically arranged
In spine（2）The left and right supporting part of the left and right sides（1,10）, the left support portion（1）With right support portion（10）Relative to spine
（2）Bottom set diagonally downward respectively；The spine（2）Including the left and right end difference being symmetrical set（21,22）, and
It is arranged on the cavity of its bottom（3）；Each described left end difference（21）With right end difference（22）It is respectively equipped with no less than three
Step unit, the outstanding edge part of each step unit be provided with chamfering or draft angle（12）；The left branch
Support part（1）With right support portion（10）On be respectively arranged with some enhancing muscle（4）, each described enhancing muscle（4）Bottom is provided with
Strengthen chamber（41）；
Each described aluminum plate unit（11）Spine（2）Cavity（3）It is interior to be provided with filler one（5）, each enhancing
Muscle（4）Enhancing chamber（41）It is interior to be provided with filler two（9）；Positioned at filler one（5）With filler two（9）Bottom be additionally provided with shield
Plate（7）.
6. thermal insulation door panel according to claim 5, it is characterised in that：The filler two（9）Filling and corresponding enhancing
Chamber（41）It is interior；The filler one（5）With filler two（9）For heat-preservation cotton.
7. thermal insulation door panel according to claim 5, it is characterised in that：The each I-shaped connector（6）Including it is left,
Right connecting portion（61,62）, and the left connecting portion（61）With right connecting portion（62）It is inclined upwardly respectively.
8. thermal insulation door panel according to claim 7, it is characterised in that：The each I-shaped connector（6）Pass through position
In its left and right connecting portion（61,62）The press strip at top（8）It is fixed on aluminum plate unit.
9. a kind of process of the aluminum plate unit of the thermal insulation door panel described in manufacturing claims 5-8 any one, its feature exists
In：Comprise the following steps：
S111, aluminium ingot base Homogenization Treatments:Carried out inside resistance-heated furnace, burner hearth internal temperature is 520 DEG C~530 DEG C,
Homogenisation times are 6 hours~8 hours；
S112, homogenizes aluminium ingot base hot rolling:It is 520 DEG C to start hot-rolled temperature, and hot rolling final temperature is 260 DEG C, the base after rolling
Material thickness is 7.5mm~8.0mm；
S113, annealing：Above-mentioned blank is cold-rolled to after 3.5mm~4.5mm, recrystallization annealing processing, annealing temperature is carried out
For 270 DEG C~280 DEG C, annealing time is 12 hours~13 hours；
S114, it is cold rolling：Above-mentioned blank is carried out again once or repeatedly it is cold rolling, to thickness 0.5mm~1.0mm；
S115, punch forming：It is put into mould, die surface smears lubricant, 380 DEG C~400 DEG C of mold temperature, to sheet material
Carry out hot-die punch forming, drawing velocity 5mm/ seconds~15mm/ seconds, 0.5 minute~1 minute dwell time；
S116, cleaning：To product carry out acid-base neutralization cleaning, remove surface greasy dirt, wherein soda-wash solution NaOH concentration 10%~
20%, Acidwash solution HNO3 concentration 10%~20%；
S117, the processing of semi-finished product finished products：Annealing temperature is 200 DEG C~220 DEG C, and annealing time is 1 minor clock~2 hour.
10. the process of aluminum plate unit according to claim 9, it is characterised in that：The step S117 finished products
In handling process, annealing temperature is 200 DEG C~215 DEG C, and annealing time is 1 minor clock~1.5 hour；And the step S117
After the completion of, carry out S118 step finishing finished products：It is drawn off after natural cooling, finishing obtains aluminum plate unit finished product.
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| CN109022952B (en) * | 2018-08-27 | 2021-02-26 | 江苏大学 | Zn-alloyed high-strength high-intergranular corrosion-resistant 5083 type aluminum alloy and preparation method thereof |
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