CN106521377B - A kind of preparation method of 6009 aluminum alloy plate materials - Google Patents
A kind of preparation method of 6009 aluminum alloy plate materials Download PDFInfo
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- CN106521377B CN106521377B CN201611006541.0A CN201611006541A CN106521377B CN 106521377 B CN106521377 B CN 106521377B CN 201611006541 A CN201611006541 A CN 201611006541A CN 106521377 B CN106521377 B CN 106521377B
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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
- C22F1/043—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 silicon 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
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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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- 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
- C22F1/05—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 of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
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Abstract
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：Prepare 6009 aluminium alloy cast ingots；280~380 DEG C are heated to, 420~460 DEG C is warming up to after insulation again, is incubated again, hot rolling obtains hot rolled plate；Hot rolled plate is heated to 420~440 DEG C, room temperature is furnace-cooled to after insulation, cold rolling obtains cold-reduced sheet；Placed again through solution treatment, room temperature, Pre-aging treatment, and room temperature placement, as T4P states again, 6009 aluminum alloy plate materials are made.Ingot casting conventional high temperature Homogenization Treatments are the method reduce, shorten technological process, save the energy, production efficiency is improved, cost is greatly lowered；And it can implement on existing aluminium alloy production line, it is not necessary to increase equipment and technology investment, it is simple to operate；Be made in 6009 aluminum alloy plate materials superfluous crystalline phase particle size is tiny, Dispersed precipitate, beneficial to 6009 aluminium sheet punching performances are improved, realize the performance requirement in reducing cost while fully meeting punching production.
Description
Technical field：
The invention belongs to technical field of aluminum alloy technology, and in particular to a kind of preparation method of 6009 aluminum alloy plate materials.
Background technology：
Because body of a motor car accounts for 30% or so of complete vehicle weight, vehicle body can be subtracted by substituting steel plate manufacture vehicle body using aluminium alloy
Weigh more than 50%, hence it is evident that reduce the weight of vehicle；Same impact is born, aluminium sheet absorbs 50% impact energy more than steel plate, increases
The security of occupant is added.Moreover the not corrosion substantially in use of aluminium vehicle body, there is the high rate of recovery, be that can preferably follow
The environment-friendly material that ring uses, therefore the urgency of body of a motor car calorize and importance are self-evident.It can be heat-treated strong
The 6xxx aluminum alloy plate materials of change are due to high specific strength, good formability and baking hardening ability, easily recovery etc. against corrosion
Feature has become the lightweight automotive car body panel material of first choice.The aluminium sheet species that past attempts are used to produce body of a motor car mainly has
6009-T4P, 6010-T4P, 6111-T4P, 6016-T4P, 6022-T4P etc..Wherein, Europe and Japan are favored in using alloy
6009 relatively low aluminum alloy plate materials of constituent content, the intensity after its baking vanish is relatively low, but formability is very good and will not go out during punching press
Existing luders band.However, aluminum current alloy car body panel material cost is 3~4 times of traditional car body panel material-steel plate, this is serious
Hinder the process of body of a motor car calorize.Therefore, the production cost for reducing by 6009 car body of aluminum alloy plates is imperative.
Body of a motor car is generally all to pass through semi-continuous casting with the conventional machining process of 6009 aluminum alloy plate materials at present
(Direct Chill Casting, DC casting) method prepares alloy cast ingot, then carries out Homogenization Treatments to eliminate ingot casting branch
Crystalline substance segregation promotes elements diffusion uniformly and improves hot-working character.6009 aluminium alloy cast ingot Homogenization Treatments temperature are typically above
530 DEG C, soaking time not only time-consuming power consumption, seriously reduces production efficiency and significantly improves production cost, be worth more than 12h
It is noted that high-temperature homogenization processing can make in alloy the mainly superfluous crystalline phase nodularization containing AlFeMnSi, roughening and along branch
Crystal edge circle is distributed, it is possible to can reduce the press formability of follow-up sheet material.Therefore, opened for body of a motor car with 6009 aluminium alloys
The short streamline production technology of 6009 car body of aluminum alloy sheet materials is sent to shorten production streamline, saves the energy, improves production efficiency, significantly
Reduce its production cost, and ensure simultaneously research work of its sheet material with good press formability and baking hardenability with
Very strong actual application value.
The content of the invention：
It is an object of the invention to provide a kind of preparation method of 6009 aluminum alloy plate materials, the preparation method are uniform without high temperature
Change handle, only need to pass through low-temperature short-time the pre-heat treatment to regulate and control the precipitation containing Mn, Cr, Ti disperse phase particle, then carry out hot rolling,
After annealing again cold rolling, solid solution water quenching after Pre-aging treatment can meet motor vehicle bodywork component deep drawability and baking hardenability
It can require, this method can shorten 6009 aluminium alloy automobile car body panel production procedures, save the energy, be greatly lowered and be produced into
This.
To achieve the above object, the present invention uses following technical scheme：
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：Prepare 6009 aluminium alloy cast ingots；
(2) heat：By 6009 aluminium alloy cast ingots, 280~380 DEG C are heated to, is incubated 4~8h, then be warming up to 420~460
DEG C, it is incubated 2~4h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolled plate is made；Wherein, hot rolling plate thickness is 3
~6mm；
(4) intermediate annealing：Hot rolled plate is heated to 420~440 DEG C, after being incubated 1~2h, room temperature is furnace-cooled to, is annealed
State rolls plate；
(5) cold rolling：Annealed state is rolled into plate, carries out cold rolling, cold-reduced sheet is made；Wherein, Cold Rolled Plate Thickness is 0.8~1.2mm；
(6) solution treatment：Solution treatment is carried out to cold-reduced sheet, rolls plate after forming solution treatment；Wherein, solution treatment plus
Hot temperature is 535~550 DEG C, and soaking time is 10~15min, and the type of cooling is water quenching to room temperature；
(7) room temperature is placed：5~30min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, rolls plate after forming Pre-aging treatment；Its
In, pre-ageing treatment temperature is 160~190 DEG C, and the Pre-aging treatment time is 5~10min, and the type of cooling is to be air-cooled to room temperature；
(9) room temperature is placed：To rolling plate after Pre-aging treatment, carry out room temperature and place more than 4 weeks, as T4P states, be made 6009
Aluminum alloy plate materials.
In described step (1), composition and its mass percent that 6009 aluminium alloy cast ingots contain are：Si：0.60~
1.00%, Mg：0.40~0.80%, Mn：0.20~0.80%, Cu：0.15~0.60%, Fe≤0.50%, Zn≤0.25%,
Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al.
In described step (1), 6009 aluminium alloy cast ingots use direct water-cooling semi-continuous casting (Direct Chill
Semi-continuous Casting, abbreviation DC are cast) it is made.
In described step (2), 6009 aluminium alloy cast ingots before heating, are handled by crop milling face.
In described step (3), hot rolling mode is that cross rolling is combined with longitudinally rolling.
Beneficial effects of the present invention：
(1) the inventive method reduces ingot casting conventional high temperature Homogenization Treatments, shortens technological process, saves the energy, carries
High efficiency, considerably reduce the production cost of 6009 car body of aluminum alloy plates.
(2) present invention process can be implemented on existing aluminium alloy production line, without changing existing frock, it is not necessary to which increase is set
Standby and technology investment, it is simple to operate feasible.
(3) the superfluous crystalline phase particle size prepared by the inventive method in 6009 aluminum alloy plate materials of processing is tiny, more
Distribution is dissipated, is advantageous to improve the deep drawability of 6009 aluminum alloy plate materials, realizes and fully meet punching press while cost is reduced
Performance requirement in production, the economic results in society brought therefrom are considerable.
Brief description of the drawings：
Fig. 1 is that the optical microstructure of 6009 aluminum alloy plate materials made from the embodiment of the present invention 1 schemes；
Fig. 2 is that the optical microstructure of 6009 aluminum alloy plate materials made from comparative example 1 of the present invention schemes.
Embodiment：
With reference to embodiment, the present invention is described in further detail.
Embodiment 1
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 180mm, contained
Composition and its mass percent be：Si：0.92%, Mg：0.73%, Mn：0.51%, Cu：0.45%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 350 DEG C are heated in wind furnace is circulated, insulation
6h, then 430 DEG C are warming up to, it is incubated 4h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 5 passages are rolled, 14 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 4mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 440 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.1mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 550 DEG C,
Soaking time is 12min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：16min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 170 DEG C,
The Pre-aging treatment time is 8min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Comparative example 1
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 180mm, contained
Composition and its mass percent be：Si：0.92%, Mg：0.73%, Mn：0.51%, Cu：0.45%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) 6009 aluminium alloy cast ingots are fitted into circulation wind furnace, are warming up to 550 DEG C of insulation 24h, sky of coming out of the stove with stove within 2 hours
It is cooled to room temperature；
(2) heat：After the 6009 aluminium alloy cast ingot crop milling faces processing after cooling, 440 DEG C are heated to, is incubated 2h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 5 passages are rolled, 14 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 4mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 440 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.1mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 550 DEG C,
Soaking time is 12min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：16min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 170 DEG C,
The Pre-aging treatment time is 8min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from this comparative example are stretched and AEG-process, and to made from this comparative example
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 2
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 80mm, contained
Composition and its mass percent be：Si：0.60%, Mg：0.80%, Mn：0.78%, Cu：0.15%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 280 DEG C are heated in wind furnace is circulated, insulation
4h, then 455 DEG C are warming up to, it is incubated 4h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 3 passages are rolled, 10 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 4mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 420 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.8mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 545 DEG C,
Soaking time is 10min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：6min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 170 DEG C,
The Pre-aging treatment time is 7min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 3
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 100mm, contained
Composition and its mass percent be：Si：0.61%, Mg：0.80%, Mn：0.78%, Cu：0.15%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 350 DEG C are heated in wind furnace is circulated, insulation
4h, then 430 DEG C are warming up to, it is incubated 3h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 5 passages are rolled, 10 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 3mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 435 DEG C are heated in wind furnace is circulated, after being incubated 1h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.9mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 550 DEG C,
Soaking time is 12min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：15min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 185 DEG C,
The Pre-aging treatment time is 9min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 4
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 120mm, contained
Composition and its mass percent be：Si：0.61%, Mg：0.80%, Mn：0.80%, Cu：0.15%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 300 DEG C are heated in wind furnace is circulated, insulation
6h, then 445 DEG C are warming up to, it is incubated 2h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 3 passages are rolled, 12 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 6mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 430 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.1mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 550 DEG C,
Soaking time is 15min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：12min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 190 DEG C,
The Pre-aging treatment time is 8min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 5
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 140mm, contained
Composition and its mass percent be：Si：0.61%, Mg：0.80%, Mn：0.78%, Cu：0.15%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 295 DEG C are heated in wind furnace is circulated, insulation
7h, then 435 DEG C are warming up to, it is incubated 3h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 4 passages are rolled, 13 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 430 DEG C are heated in wind furnace is circulated, after being incubated 1h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.9mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 540 DEG C,
Soaking time is 15min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：7min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 165 DEG C,
The Pre-aging treatment time is 10min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 6
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 160mm, contained
Composition and its mass percent be：Si：0.61%, Mg：0.80%, Mn：0.78%, Cu：0.15%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 360 DEG C are heated in wind furnace is circulated, insulation
5h, then 455 DEG C are warming up to, it is incubated 2h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 5 passages are rolled, 12 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 4mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 435 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.8mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 535 DEG C,
Soaking time is 13min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：30min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 170 DEG C,
The Pre-aging treatment time is 5min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 7
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 180mm, contained
Composition and its mass percent be：Si：0.77%, Mg：0.56%, Mn：0.65%, Cu：0.24%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 380 DEG C are heated in wind furnace is circulated, insulation
7h, then 450 DEG C are warming up to, it is incubated 3h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 4 passages are rolled, 15 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 6mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 440 DEG C are heated in wind furnace is circulated, after being incubated 1h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.2mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 545 DEG C,
Soaking time is 15min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：20min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 185 DEG C,
The Pre-aging treatment time is 10min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 8
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 200mm, contained
Composition and its mass percent be：Si：0.77%, Mg：0.56%, Mn：0.65%, Cu：0.24%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 375 DEG C are heated in wind furnace is circulated, insulation
4h, then 425 DEG C are warming up to, it is incubated 4h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 3 passages are rolled, 18 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 3mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 425 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.0mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 535 DEG C,
Soaking time is 11min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：18min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 175 DEG C,
The Pre-aging treatment time is 6min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 9
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 90mm, contained
Composition and its mass percent be：Si：0.77%, Mg：0.56%, Mn：0.65%, Cu：0.24%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 320 DEG C are heated in wind furnace is circulated, insulation
8h, then 430 DEG C are warming up to, it is incubated 4h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 3 passages are rolled, 10 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 420 DEG C are heated in wind furnace is circulated, after being incubated 1.5h, stove is cold
To room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.1mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 540 DEG C,
Soaking time is 11min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：15min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 180 DEG C,
The Pre-aging treatment time is 5min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 10
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 110mm, contained
Composition and its mass percent be：Si：0.77%, Mg：0.56%, Mn：0.65%, Cu：0.24%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 330 DEG C are heated in wind furnace is circulated, insulation
5h, then 460 DEG C are warming up to, it is incubated 2h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 5 passages are rolled, 8 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 440 DEG C are heated in wind furnace is circulated, after being incubated 1h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.0mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 535 DEG C,
Soaking time is 12min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：10min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 190 DEG C,
The Pre-aging treatment time is 7min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 11
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 130mm, contained
Composition and its mass percent be：Si：0.77%, Mg：0.56%, Mn：0.65%, Cu：0.24%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 345 DEG C are heated in wind furnace is circulated, insulation
5h, then 420 DEG C are warming up to, it is incubated 4h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 3 passages are rolled, 10 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 435 DEG C are heated in wind furnace is circulated, after being incubated 1h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.0mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 545 DEG C,
Soaking time is 12min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：5min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 175 DEG C,
The Pre-aging treatment time is 8min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 12
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 150mm, contained
Composition and its mass percent be：Si：0.83%, Mg：0.58%, Mn：0.59%, Cu：0.31%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 290 DEG C are heated in wind furnace is circulated, insulation
7h, then 435 DEG C are warming up to, it is incubated 3h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 4 passages are rolled, 11 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 3mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 420 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.8mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 550 DEG C,
Soaking time is 13min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：12min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 175 DEG C,
The Pre-aging treatment time is 10min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 13
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 170mm, contained
Composition and its mass percent be：Si：0.83%, Mg：0.58%, Mn：0.59%, Cu：0.31%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 315 DEG C are heated in wind furnace is circulated, insulation
4h, then 420 DEG C are warming up to, it is incubated 3h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 4 passages are rolled, 13 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 6mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 435 DEG C are heated in wind furnace is circulated, after being incubated 1h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.1mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 535 DEG C,
Soaking time is 10min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：30min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 180 DEG C,
The Pre-aging treatment time is 5min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 14
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 190mm, contained
Composition and its mass percent be：Si：0.83%, Mg：0.58%, Mn：0.59%, Cu：0.31%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 295 DEG C are heated in wind furnace is circulated, insulation
8h, then 455 DEG C are warming up to, it is incubated 2h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 5 passages are rolled, 14 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 435 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.0mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 545 DEG C,
Soaking time is 12min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：18min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 190 DEG C,
The Pre-aging treatment time is 6min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 15
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 100mm, contained
Composition and its mass percent be：Si：0.83%, Mg：0.58%, Mn：0.59%, Cu：0.31%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 335 DEG C are heated in wind furnace is circulated, insulation
6h, then 440 DEG C are warming up to, it is incubated 4h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 3 passages are rolled, 12 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 4mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 430 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.9mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 535 DEG C,
Soaking time is 11min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：6min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 185 DEG C,
The Pre-aging treatment time is 8min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 16
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 120mm, contained
Composition and its mass percent be：Si：0.83%, Mg：0.58%, Mn：0.59%, Cu：0.31%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 285 DEG C are heated in wind furnace is circulated, insulation
7h, then 435 DEG C are warming up to, it is incubated 3h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 3 passages are rolled, 10 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 3.5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 425 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.9mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 535 DEG C,
Soaking time is 14min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：30min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 185 DEG C,
The Pre-aging treatment time is 5min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 17
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 140mm, contained
Composition and its mass percent be：Si：1.00%, Mg：0.71%, Mn：0.25%, Cu：0.45%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 290 DEG C are heated in wind furnace is circulated, insulation
5h, then 455 DEG C are warming up to, it is incubated 2h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 4 passages are rolled, 11 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 435 DEG C are heated in wind furnace is circulated, after being incubated 1h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.0mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 530 DEG C,
Soaking time is 15min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：8min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 160 DEG C,
The Pre-aging treatment time is 10min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 18
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 200mm, contained
Composition and its mass percent be：Si：0.96%, Mg：0.71%, Mn：0.25%, Cu：0.45%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 340 DEG C are heated in wind furnace is circulated, insulation
8h, then 460 DEG C are warming up to, it is incubated 3h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 3 passages are rolled, 18 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 4mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 420 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.9mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 545 DEG C,
Soaking time is 11min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：20min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 175 DEG C,
The Pre-aging treatment time is 5min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 19
A kind of body of a motor car preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 170mm, contained
Composition and its mass percent be：Si：0.98%, Mg：0.40%, Mn：0.20%, Cu：0.60%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 285 DEG C are heated in wind furnace is circulated, insulation
7h, then 435 DEG C are warming up to, it is incubated 3h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 5 passages are rolled, 14 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 3.5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 425 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.9mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 535 DEG C,
Soaking time is 14min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：30min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 185 DEG C,
The Pre-aging treatment time is 5min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 20
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 120mm, contained
Composition and its mass percent be：Si：0.98%, Mg：0.41%, Mn：0.23%, Cu：0.60%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 305 DEG C are heated in wind furnace is circulated, insulation
5h, then 430 DEG C are warming up to, it is incubated 2h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 4 passages are rolled, 11 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 4.5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 435 DEG C are heated in wind furnace is circulated, after being incubated 2h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 1.0mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 535 DEG C,
Soaking time is 12min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：5min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 165 DEG C,
The Pre-aging treatment time is 8min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
Embodiment 21
A kind of preparation method of 6009 aluminum alloy plate materials, comprises the following steps：
(1) prepared by ingot casting：6009 aluminium alloy cast ingots are prepared using direct water-cooling semi-continuous casting, thickness 80mm, contained
Composition and its mass percent be：Si：0.98%, Mg：0.41%, Mn：0.23%, Cu：0.60%, Fe≤0.50%, Zn
≤ 0.25%, Cr≤0.10%, Ti≤0.10%, impurity element≤0.15%, surplus Al；
(2) heat：After 6009 aluminium alloy cast ingot crop milling faces are handled, 380 DEG C are heated in wind furnace is circulated, insulation
5h, then 440 DEG C are warming up to, it is incubated 4h；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolling mode is first along rectangle ingot width side
To 3 passages are rolled, 10 passages are rolled then along rectangle ingot length direction, are rolled into the hot rolled plate that thickness is 4.5mm；
(4) intermediate annealing：After hot rolled plate is cut into scale, 440 DEG C are heated in wind furnace is circulated, after being incubated 1h, is furnace-cooled to
Room temperature, obtain annealed state and roll plate；
(5) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, the cold-reduced sheet that thickness is 0.9mm is made；
(6) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating-up temperature of solution treatment is 535 DEG C,
Soaking time is 15min, and the type of cooling is water quenching to room temperature, rolls plate after forming solution treatment；
(7) room temperature is placed：9min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, pre-ageing treatment temperature is 190 DEG C,
The Pre-aging treatment time is 5min, and the type of cooling forms after Pre-aging treatment to be air-cooled to room temperature and rolls plate；
(9) room temperature is placed：By the plate that rolls after Pre-aging treatment, room temperature places more than 4 weeks, as T4P states, and 6009 aluminium are made
Sheet alloy.
6009 aluminum alloy plate materials made from the present embodiment are stretched and AEG-process, and to made from the present embodiment
6009 aluminum alloy plate materials are after 2% predeformation, then 170 DEG C × 30min of progress simulation baking vanish heats in drying baker, with
After determine its intensity；Related performance indicators data are shown in Table 1.
The supply of material state performance index and paint baking of 6009 aluminum alloy plate materials made from embodiment 1~21 and comparative example 1
Performance indications data afterwards are shown in Table 1：
The performance after 6009 aluminum alloy plate materials supply of material state performance index and paint baking is made in the embodiment of table 1 and comparative example
Index
From table 1, be respectively provided with the 6009 aluminum alloy plate materials supply of material states prepared through the inventive method it is good into
Shape performance, it shows obvious baking hardenability after simulating baking vanish, and its performance indications and comparative example 1 are conventionally produced
6009 aluminum alloy plate materials punching performance index and baking vanish after performance indications it is roughly the same in addition slightly improve, this is abundant
Ground embodies the value of the present invention.
Claims (5)
1. a kind of preparation method of 6009 aluminum alloy plate materials, it is characterised in that comprise the following steps：
(1) prepared by ingot casting：Prepare 6009 aluminium alloy cast ingots；
(2) heat：By 6009 aluminium alloy cast ingots, 280~380 DEG C are heated to, is incubated 4~8h, then is warming up to 420~460 DEG C, is protected
2~4h of temperature；
(3) hot rolling：To 6009 aluminium alloy cast ingots after insulation, hot rolling is carried out, hot rolled plate is made；Wherein, hot rolling plate thickness be 3~
6mm；
(4) intermediate annealing：Hot rolled plate is heated to 420~440 DEG C, after being incubated 1~2h, is furnace-cooled to room temperature, annealed state is obtained and rolls
Plate；
(5) cold rolling：Annealed state is rolled into plate, carries out cold rolling, cold-reduced sheet is made；Wherein, Cold Rolled Plate Thickness is 0.8~1.2mm；
(6) solution treatment：Solution treatment is carried out to cold-reduced sheet, rolls plate after forming solution treatment；Wherein, the heating temperature of solution treatment
Spend for 535~550 DEG C, soaking time is 10~15min, and the type of cooling is water quenching to room temperature；
(7) room temperature is placed：5~30min is placed to rolling plate room temperature after solution treatment；
(8) Pre-aging treatment：Plate is rolled after being placed to room temperature, carries out Pre-aging treatment, rolls plate after forming Pre-aging treatment；Wherein,
Pre-ageing treatment temperature is 160~190 DEG C, and the Pre-aging treatment time is 5~10min, and the type of cooling is to be air-cooled to room temperature；
(9) room temperature is placed：To rolling plate after Pre-aging treatment, carry out room temperature and place more than 4 weeks, as T4P states, 6009 aluminium are made and close
Golden plate material.
2. the preparation method of 6009 aluminum alloy plate materials according to claim 1, it is characterised in that in described step (1),
The composition and its mass percent that 6009 aluminium alloy cast ingots contain be：Si：0.60~1.00%, Mg：0.40~0.80%, Mn：
0.20~0.80%, Cu：0.15~0.60%, Fe≤0.50%, Zn≤0.25%, Cr≤0.10%, Ti≤0.10%, impurity
Element≤0.15%, surplus Al.
3. the preparation method of 6009 aluminum alloy plate materials according to claim 1, it is characterised in that in described step (1),
6009 aluminium alloy cast ingots are made using direct water-cooling semi-continuous casting.
4. the preparation method of 6009 aluminum alloy plate materials according to claim 1, it is characterised in that in described step (2),
6009 aluminium alloy cast ingots before heating, are handled by crop milling face.
5. the preparation method of 6009 aluminum alloy plate materials according to claim 1, it is characterised in that in described step (3),
Hot rolling mode is that cross rolling is combined with longitudinally rolling.
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