CN108396267A - A kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car - Google Patents

A kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car Download PDF

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Publication number
CN108396267A
CN108396267A CN201810182196.9A CN201810182196A CN108396267A CN 108396267 A CN108396267 A CN 108396267A CN 201810182196 A CN201810182196 A CN 201810182196A CN 108396267 A CN108396267 A CN 108396267A
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room temperature
aluminum alloy
cold
temperature
plate materials
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田妮
赵紫研
陈林
王光东
赵刚
秦高梧
左良
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Northeastern University China
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Northeastern University China
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
    • 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
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metal Rolling (AREA)
  • Continuous Casting (AREA)

Abstract

A kind of body of a motor car preparation method of 6181 aluminum alloy plate materials, includes the following steps：(1) semi-continuous casting method is used to prepare 6181 aluminium alloy cast ingots；(2) ingot casting is directly heated to 450~500 DEG C of 2~4h of heat preservation, and hot rolling obtains hot rolled plate；(3) 480~550 DEG C are heated to, 2~6h, furnace cooling are kept the temperature；(4) it carries out cold rolling and obtains cold-reduced sheet；(5) solution treatment is carried out；(6) it is placed at room temperature for 5~20min；(7) Pre-aging treatment；(8) 4 weeks or more are placed at room temperature for.The method of the present invention can not only shorten the production procedure of 6181 car body of aluminum alloy plates, energy saving, significantly 6181 car body of aluminum alloy plates reduction production cost, and can significantly improve the press formability and baking vanish hardenability of sheet alloy.

Description

A kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car
Technical field：
The invention belongs to Aluminum alloy for automotive body board technology fields, and in particular to a kind of body of a motor car is closed with 6181 aluminium The preparation method of golden plate material.
Background technology：
With sharply increasing for China's auto output and ownership, traffic congestion, environmental pollution, energy consumption are excessive etc. one The problem of series is increasingly severe.Based on this problem, automotive light weight technology has attracted much attention increasingly；Body of a motor car weight accounts for total weight 30%, the fuel consumption of vehicle body accounts for the 70% of automobile wastage in bulk or weight fuel oil, using aluminium alloy substitute steel plate manufacture vehicle body can make vehicle body 50% or more loss of weight, can obviously reduce the weight of vehicle, and 50% impact can be absorbed than steel plate when aluminium alloy is hit more Can, considerably increase the safety of passenger；Aluminium alloy is Ke Xunhuanliyong for wagon sheet, is ideal environmental-friendly proximate matter Material；Therefore, body of a motor car calorize is increasingly favored.Currently, Aluminum alloy for automotive body plank mainly has 2xxx systems, 5xxx systems With 6xxx systems.Wherein 6xxx line aluminium alloys thin plate has more excellent comprehensive performance compared with than other two systems, becomes body of a motor car Preferred material；Using and the 6xxx line aluminium alloys thin plate of exploitation mainly have 6181 and 6016 equal aluminum alloy plate materials, and 6181 aluminum alloy plate materials are due to having the characteristics that high specific strength, good impact resistance have become ideal lightweight automotive vehicle Body material.
Current 6181 aluminum alloy plate materials have been applied to automobile engine cover inner and outer plates, the positions such as outer panel in car door, supply Goods is in great demand.But it is too big with the production cost of 6181 aluminum alloy plate materials using vehicle body prepared by traditional handicraft, significantly larger than Conventional automobile bodies steel plate, and its deep drawability also has certain gap compared with low carbon steel plate, this is to hinder 6181 aluminium sheets extensive Substitute the bottleneck problem of steel plate；Therefore, how further to improve the deep drawability of 6181 aluminum alloy plate materials, while significantly reducing aluminium Alloy wagon sheet processing cost is imperative.
Invention content：
Present invention aims at a kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car is provided, in traditional processing side Homogenization Treatments technique is omitted on the basis of method, and improves intermediate annealing system, through cold rolling, solid solution water quenching, Pre-aging treatment after, Shorten production procedure, it is energy saving, production cost is greatly lowered and improves the press formability of sheet alloy.
The method of the present invention includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting method；
(2) heating and hot rolling：6181 aluminium alloy cast ingots are heated to 450~500 DEG C, keep the temperature 2~4h；Heat is carried out after heat preservation Roll acquisition hot rolled plate；
(3) intermediate annealing：Hot rolled plate is heated to 480~550 DEG C, 2~6h is kept the temperature, cools to room temperature with the furnace, moved back Fiery state plank；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment, solid solubility temperature is 535~550 DEG C, keeps the temperature 10~20min, The type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：Cold-reduced sheet after solution treatment is being placed at room temperature for 5~20min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 160~190 DEG C, the time is 5~15min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 4 weeks or more, i.e. T4P states, body of a motor car is made With 6181 aluminum alloy plate materials.
6181 above-mentioned aluminium alloy cast ingot thickness be 120mm, hot rolling plate thickness be 4~7mm, Cold Rolled Plate Thickness be 0.9~ 1.2mm。
The ingredient of 6181 above-mentioned aluminium alloy cast ingots contains Si by mass percentage：0.80~1.20%, Mg：0.60~ 1.00%, Cu≤0.10%, Mn≤0.15%, Fe≤0.45%, Zn≤0.20%, Cr≤0.10%, Ti≤0.10%, impurity ≤ 0.15%, surplus Al.
In above-mentioned step (1), 6181 aluminium alloy cast ingots are made using direct water-cooling semi-continuous casting (DC castings).
In above-mentioned step (2), 6181 aluminium alloy cast ingots before heating, through cropping milling surface treatment.
Above-mentioned hot rolling mode is that cross rolling is combined with longitudinally rolling, and course of hot rolling is first along rectangle ingot width direction 3~5 passages are rolled, 8~15 passages is rolled then along rectangle ingot length direction, obtains hot rolled plate.
Above-mentioned body of a motor car is with the performance indicator of 6111 aluminum alloy plate materials：σ0.2=159.9~175.4MPa, σb= 277.4~300.5MPa, r15=0.61~0.73, n=0.25~0.29, δ=26.4~28.5%, IE=9.25~ 9.55mm。
Above-mentioned body of a motor car is with the performance indicator after the paint baking of 6111 aluminum alloy plate materials：σ0.2=257.7~ 272.6MPa, σb=313.4~337.8MPa, δ=21.0~23.9%.
The preparation process of traditional 6181 car body of aluminum alloy planks is usually DC castings → homogenization → hot rolling → intermediate annealing → cold rolling → solution treatment/preageing → supply of material is parked, homogenization temperature generally be above 540 DEG C, soaking time be more than for 24 hours, Cost is not only taken, but also seriously reduces production efficiency and improves production cost, hinders the process of automobile calorize, is worth It is noted that Homogenization Treatments can make superfluous crystalline phase nodularization, roughening in alloy and are distributed along dendrite boundary, it is possible to can drop The forming property of low follow-up plank；If using the direct hot rolling of no Homogenization Treatments, crystalline phase is crushed under big deformation condition And tiny, disperse be distributed in the base；By improving intermediate annealing process so that solvable phased soln, broken crystalline phase ball Change, is conducive to the plasticity and forming property that improve plank.Therefore intermediate annealing is changed using the direct hot rolling of no Homogenization Treatments Technique can significantly reduce cost, energy saving, shortening production cycle, while the research work for optimizing sheet material forming performance has Stronger innovative and very strong scientific meaning and actual application value；Early-stage study finds to cast 6181 aluminium alloy cast ingots by DC Slab without the direct hot rolling of uniform treatment again through 420 DEG C or so of conventional intermediate annealing process, then again cold rolling, solid solution, it is pre- when The plank that effect processing is prepared has good baking hardenability but formability is still not fully up to expectations；Deep study and analysis discovery, though It can so obtain 6181 aluminium sheets of superfluous crystalline phase particle fine uniform Dispersed precipitate without the direct hot rolling of uniform treatment, but due to Intermediate anneal temperature is relatively low, and annealing soaking time is shorter, and solvable phase is caused to be difficult in follow-up conventional solid solution processing procedure completely Back dissolving enters in matrix, more important is insoluble superfluous crystalline phase particle still with brighter after the processing of conventional intermediate annealing process Aobvious wedge angle fails to apparent nodularization, this is 6181 aluminium alloys prepared without Homogenization Treatments technique for causing to use at present Car body panel fails to obtain the critical issue of excellent deep drawability.The long-term unremitting effort innovation experiment of seminar, continuous analysis and summary Experimental result, updates experimental program, and the present invention proposes that breaking through conventional intermediate anneal temperature combination is appropriately extended annealing soaking time Inventive concept, develop the 6181 aluminium sheet preparation process skills that novel low-cost prepares high deep drawing quality and high baking hardenability Art.
The method of the present invention omits Homogenization Treatments technique on the basis of traditional diamond-making technique, and improves intermediate annealing system Degree；Alloy cast ingot does not carry out hot rolling directly by Homogenization Treatments, and crystalline phase is distributed in matrix to small and dispersed by after grating In；Intermediate anneal temperature and time are further increased on the basis of conventional intermediate annealing process (420~440 DEG C, 1~2h), Keep the dissolving of solvable crystalline phase more abundant, nodularization occurs for the crystalline phase of tiny fragmentation, and rushing for 6181 aluminum alloy plate materials can be improved Pressing formation.The 6181 vehicle body plate deep drawabilities and baking hardening prepared through cold rolling, solid solution water quenching, Pre-aging treatment after Performance is superior to the plank of traditional handicraft preparation；This method can not only shorten the production procedure of 6181 car body of aluminum alloy plates, section About the energy, production cost is greatly lowered, and can significantly improve 6181 aluminum alloy plate materials press formability and baking vanish it is hard The property changed.
The present invention prepares plank using no Homogenization Treatments, energy saving, improves efficiency, reduces production cost；It can be Implement on existing aluminium alloy production line, without changing existing tooling, it is not necessary to increase equipment and technology investment, it is simple to operate It is feasible；Being combined by the direct hot rolling of no Homogenization Treatments improves intermediate annealing process, makes solvable crystallization phased soln, superfluous crystalline phase Particle edges nodularization eliminates the adverse effect of 6181 aluminum alloy plate materials formability of no Homogenization Treatments pair.It is further perfect 6181 aluminum alloy plate materials realize and 6181 car body of aluminum alloy plate production costs are being greatly lowered without homogenization abbreviated system Also significantly improve 6181 aluminum alloy plate materials deep drawabilities and baking and hardening performance, the economic results in society brought therefrom simultaneously It is considerable.
Description of the drawings
Fig. 1 is optical microstructure's figure of 6181 aluminum alloy plate materials made from the embodiment of the present invention 1；
Fig. 2 is optical microstructure's figure of 6181 aluminum alloy plate materials made from comparative example 1 of the present invention.
Specific implementation mode：
With reference to embodiment, the present invention is described in further detail.
6181 aluminum alloy plate materials performance indicators (stretching and cupping test) and paint baking prepared by embodiment and comparative example Performance indicator afterwards is shown in Table 1.
The performance after 6181 aluminum alloy plate materials supply of material state performance index and paint baking is made in 1 embodiment and comparative example of table Index
By table 1 as it can be seen that 6181 aluminum alloy plate materials that the method for the present invention is prepared all have good forming property, through mould Apparent baking hardening, the formability and baking vanish of 6181 aluminum alloy plate materials that the method for the present invention is prepared are shown after quasi- baking vanish Hardenability is superior to the formability and baking vanish hardenability of 6181 conventionally produced aluminum alloy plate materials of comparative example 1.
It is GB/T228-2002 that tension test accepted standard is carried out in the embodiment of the present invention and comparative example 1《Metal material Tensile testing at ambient temperature》.
It is GB/T4156-2007 that cupping test accepted standard is carried out in the embodiment of the present invention and comparative example 1《Metal cupping Experimental method》.
Paint baking in the embodiment of the present invention and comparative example 1 then is carried out in drying box after 2% predeformation The simulation baking vanish of 185 DEG C × 20min heats, and then measures its intensity.
The ingredient of 6181 aluminium alloy cast ingots contains Si by mass percentage in the embodiment of the present invention and comparative example 1：0.80~ 1.20%, Mg：0.60~1.00%, Cu≤0.10%, Mn≤0.15%, Fe≤0.45%, Zn≤0.20%, Cr≤ 0.10%, Ti≤0.10%, impurity≤0.15%, surplus Al.
6181 aluminium alloy cast ingots are made using direct water-cooling semi-continuous casting (DC castings) in the embodiment of the present invention and comparative example 1 .
In the embodiment of the present invention and comparative example 1 6181 aluminium alloy cast ingots before heating, through cropping milling surface treatment.
Hot rolling mode in the embodiment of the present invention and comparative example 1 is that cross rolling is combined with longitudinally rolling, course of hot rolling 3~5 passages first are rolled along rectangle ingot width direction, 8~15 passages is rolled then along slab ingot length direction, obtains hot rolled plate Material.
The equipment that solution treatment and Pre-aging treatment use in the embodiment of the present invention and comparative example 1 is resistance furnace.
Embodiment 1
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 467 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 12 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 5mm；
(3) intermediate annealing：Hot rolled plate is heated to 485 DEG C, after keeping the temperature 5h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the wherein finish to gauge thickness of cold-reduced sheet is 1.1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, obtains solution treatment state plank, wherein Gu Solubility temperature is 550 DEG C, soaking time 10min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, roll plate room temperature placement 8min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 170 DEG C, when Between be 10min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 29 days, i.e. T4P states, 6181-T4P plates are made Material；Optical microstructure is as shown in Figure 1；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Comparative example 1
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots, thickness 120mm are prepared using direct water-cooling semi-continuous casting；
(2) Homogenization Treatments：6181 aluminium alloy cast ingots are fitted into cycle wind furnace, are warming up to 550 DEG C of heat preservations with stove within 2 hours After for 24 hours, comes out of the stove and be air-cooled to room temperature；
(3) it heats：After 6181 aluminium alloy cast ingot after cooling is cut off milling surface treatment, 430 DEG C are heated to, keeps the temperature 4h；
(4) hot rolling：To 6181 aluminium alloy cast ingots after heat preservation, hot rolling is carried out, first rolls 4 along rectangle ingot width direction It is secondary, 15 passages are rolled then along rectangle ingot length direction, roll to obtain hot rolled plate, hot rolling plate thickness is 3mm；
(5) intermediate annealing：After hot rolled plate is cut scale, it is heated to 425 DEG C in recycling wind furnace, after keeping the temperature 2h, is furnace-cooled to Room temperature obtains annealed state and rolls plate；
(6) cold rolling：Annealed state is rolled into plate, carries out 4 passage cold rollings, cold-reduced sheet, Cold Rolled Plate Thickness 0.8mm is made；
(7) solution treatment：Solution treatment is carried out in salt bath furnace to cold-reduced sheet, the heating 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；
(8) it is placed at room temperature for：It is placed at room temperature for 25min to rolling plate after solution treatment；
(9) Pre-aging treatment：To rolling plate, progress Pre-aging treatment after being placed at room temperature for, pre-ageing treatment temperature is 165 DEG C, The Pre-aging treatment time is 10min, and the type of cooling is to be air-cooled to room temperature, is formed after Pre-aging treatment and rolls plate；
(10) it is placed at room temperature for：Plate will be rolled after Pre-aging treatment, be placed at room temperature for 4 weeks or more, as T4P states, is made 6181 Aluminum alloy plate materials, optical microstructure are as shown in Figure 2；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from this comparative example, and to made from this comparative example 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 2
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 470 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 5 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 12 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 490 DEG C, after keeping the temperature 6h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 541 DEG C, heat preservation Time is 10min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 5min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 180 DEG C, when Between be 9min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 34 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 3
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) it heats：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 475 DEG C are heated to, keeps the temperature 2h；
(3) hot rolling：Hot rolling is carried out to 6181 aluminium alloy cast ingots after heat preservation, first rolls 6 passages along rectangle ingot width direction, 11 passages are rolled then along slab ingot length direction, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(4) intermediate annealing：Hot rolled plate is heated to 485 DEG C, after keeping the temperature 5h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(5) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.1mm；
(6) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 16min, and the type of cooling is water cooling to room temperature；
(7) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 13min；
(8) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 180 DEG C, when Between be 15min；
(9) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 30 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 4
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 490 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 11 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 5mm；
(3) intermediate annealing：Hot rolled plate is heated to 482 DEG C, after keeping the temperature 3h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.2mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 545 DEG C, heat preservation Time is 19min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 13min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 190 DEG C, when Between be 5min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 36 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 5
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 480 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 5 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 10 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 6mm；
(3) intermediate annealing：Hot rolled plate is heated to 534 DEG C, after keeping the temperature 2h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 537 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 20min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 160 DEG C, when Between be 10min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 29 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 6
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 460 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 7 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 9 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 498 DEG C, after keeping the temperature 6h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.2mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 541 DEG C, heat preservation Time is 10min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 13min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 164 DEG C, when Between be 15min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 31 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 7
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 470 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 8 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 9 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 488 DEG C, after keeping the temperature 5h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 19min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 160 DEG C, when Between be 14min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 20 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 8
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 480 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 6 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 11 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 516 DEG C, after keeping the temperature 3h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 14min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 14min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 190 DEG C, when Between be 10min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 35 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 9
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 488 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 12 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 5mm；
(3) intermediate annealing：Hot rolled plate is heated to 527 DEG C, after keeping the temperature 4h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.2mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 546 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 13min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 164 DEG C, when Between be 15min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 42 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 10
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 461 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 3 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 12 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 5mm；
(3) intermediate annealing：Hot rolled plate is heated to 518 DEG C, after keeping the temperature 4h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.2mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 546 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 16min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 179 DEG C, when Between be 5min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 38 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 11
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 476 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 14 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 537 DEG C, after keeping the temperature 2h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 550 DEG C, heat preservation Time is 20min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 20min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 170 DEG C, when Between be 8min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 31 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 12
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 491 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 8 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 11 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 6mm；
(3) intermediate annealing：Hot rolled plate is heated to 528 DEG C, after keeping the temperature 5h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 13min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 180 DEG C, when Between be 5min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 33 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 13
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 478 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 5 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 13 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 542 DEG C, after keeping the temperature 4h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 538 DEG C, heat preservation Time is 11min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 6min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 188 DEG C, when Between be 15min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 31 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 14
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 456 DEG C are heated to, keeps the temperature 2h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 6 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 12 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 550 DEG C, after keeping the temperature 3h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 18min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 19min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 176 DEG C, when Between be 10min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 32 days, i.e. T4P states, 6181-T4P planks processed；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 15
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 481 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 18 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 524 DEG C, after keeping the temperature 4h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.2mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 12min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 179 DEG C, when Between be 5min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 34 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 16
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 486 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 11 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 5mm；
(3) intermediate annealing：Hot rolled plate is heated to 540 DEG C, after keeping the temperature 3h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 0.9mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 537 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 7min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 174 DEG C, when Between be 8min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 32 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 17
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 476 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 17 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 6mm；
(3) intermediate annealing：Hot rolled plate is heated to 505 DEG C, after keeping the temperature 5h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 0.9mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 11min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 169 DEG C, when Between be 7min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 34 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 18
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 491 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 5 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 20 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 5mm；
(3) intermediate annealing：Hot rolled plate is heated to 539 DEG C, after keeping the temperature 6h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 539 DEG C, heat preservation Time is 13min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 7min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 185 DEG C, when Between be 7min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 33 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 19
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 492 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 12 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 5mm；
(3) intermediate annealing：Hot rolled plate is heated to 543 DEG C, after keeping the temperature 5h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 0.9mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 547 DEG C, heat preservation Time is 11min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 11min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 170 DEG C, when Between be 5min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 34 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 20
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 484 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 3 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 13 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 533 DEG C, after keeping the temperature 3h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 0.9mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 8min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 188 DEG C, when Between be 9min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 32 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 21
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 493 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 12 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 7mm；
(3) intermediate annealing：Hot rolled plate is heated to 527 DEG C, after keeping the temperature 4h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 16min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 11min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 185 DEG C, when Between be 7min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 31 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 22
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 477 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 6 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 12 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 6mm；
(3) intermediate annealing：Hot rolled plate is heated to 546 DEG C, after keeping the temperature 4h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.2mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 15min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 160 DEG C, when Between be 14min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 32 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 23
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 466 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 17 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 521 DEG C, after keeping the temperature 3h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1.2mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 547 DEG C, heat preservation Time is 11min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 16min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 190 DEG C, when Between be 10min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 33 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 24
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 479 DEG C are heated to, keeps the temperature 2h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 11 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 539 DEG C, after keeping the temperature 5h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 0.9mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 18min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 19min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 169 DEG C, when Between be 7min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 30 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 25
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 494 DEG C are heated to, keeps the temperature 3h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 8 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 8 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 510 DEG C, after keeping the temperature 3h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 1mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 542 DEG C, heat preservation Time is 15min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 12min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 190 DEG C, when Between be 5min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 29 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.
Embodiment 26
A kind of preparation method of 6181 aluminum alloy plate materials, includes the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting；
(2) heating and hot rolling：After 6181 aluminium alloy cast ingots are cut off milling surface treatment, 474 DEG C are heated to, keeps the temperature 4h；Heat preservation Hot rolling is carried out to 6181 aluminium alloy cast ingots afterwards, first 4 passages are rolled along rectangle ingot width direction, then along slab ingot length direction 19 passages are rolled, obtain hot rolled plate, the finish to gauge thickness of hot rolled plate is 4mm；
(3) intermediate annealing：Hot rolled plate is heated to 494 DEG C, after keeping the temperature 4h, is furnace-cooled to room temperature, annealed state is obtained and rolls plate；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made, the finish to gauge thickness of cold-reduced sheet is 0.9mm；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment in resistance furnace, wherein solid solubility temperature is 540 DEG C, heat preservation Time is 14min, and the type of cooling is water cooling to room temperature；
(6) it is placed at room temperature for：After solution treatment, cold-reduced sheet is being placed at room temperature for 20min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 180 DEG C, when Between be 15min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 28 days, i.e. T4P states, 6181-T4P plates are made Material；
Stretching and cupping test are carried out to 6181 aluminum alloy plate materials made from the present embodiment, and to made from the present embodiment 6181 aluminum alloy plate materials are after 2% predeformation, then the simulation baking vanish of 185 DEG C × 20min of progress heats in drying box, with After measure its intensity；Related performance indicators data are shown in Table 1.

Claims (7)

1. a kind of body of a motor car preparation method of 6181 aluminum alloy plate materials, it is characterised in that include the following steps：
(1) prepared by ingot casting：6181 aluminium alloy cast ingots are prepared using semi-continuous casting method；
(2) heating and hot rolling：6181 aluminium alloy cast ingots are heated to 450~500 DEG C, keep the temperature 2~4h；Hot rolling is carried out after heat preservation to obtain Obtain hot rolled plate；
(3) intermediate annealing：Hot rolled plate is heated to 480~550 DEG C, keeps the temperature 2~6h, cools to room temperature with the furnace, obtains annealed state Plank；
(4) cold rolling：Annealed state plank is subjected to cold rolling, cold-reduced sheet is made；
(5) solution treatment：Cold-reduced sheet is subjected to solution treatment, solid solubility temperature is 535~550 DEG C, keeps the temperature 10~20min, cooling Mode is water cooling to room temperature；
(6) it is placed at room temperature for：Cold-reduced sheet after solution treatment is being placed at room temperature for 5~20min；
(7) Pre-aging treatment：Pre-aging treatment is carried out to the plank after being placed at room temperature for, the temperature of preageing is 160~190 DEG C, Time is 5~15min；
(8) it is placed at room temperature for：Plank after Pre-aging treatment is placed at room temperature for 4 weeks or more, i.e. T4P states, body of a motor car is made and uses 6181 aluminum alloy plate materials.
2. a kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car according to claim 1, it is characterised in that institute The ingredient for 6181 aluminium alloy cast ingots stated contains Si by mass percentage：0.80~1.20%, Mg：0.60~1.00%, Cu≤ 0.10%, Mn≤0.15%, Fe≤0.45%, Zn≤0.20%, Cr≤0.10%, Ti≤0.10%, impurity≤0.15% are remaining Amount is Al.
3. a kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car according to claim 1, it is characterised in that institute 6181 aluminium alloy cast ingots stated are made using direct water-cooling semi-continuous casting.
4. a kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car according to claim 1, it is characterised in that institute 6181 aluminium alloy cast ingots stated are before hot rolling heating, and by cutting off milling surface treatment, slab hot-rolling mode is cross rolling and longitudinal direction Rolling is combined, and course of hot rolling first rolls 3~5 passages along rectangle ingot width direction, is rolled then along rectangle ingot length direction 8~15 passages are made, hot rolled plate is obtained.
5. a kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car according to claim 1, it is characterised in that institute The 6181 aluminium alloy cast ingot thickness stated are 120mm, and hot rolling plate thickness is 4~7mm, and Cold Rolled Plate Thickness is 0.9~1.2mm.
6. a kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car according to claim 1, it is characterised in that institute The body of a motor car stated is with the performance indicator of 6181 aluminum alloy plate materials：σ0.2=153~171MPa, σb=277~308MPa, r15 =0.61~0.73, n=0.25~0.29, δ=25.2~28.6%, IE=7.81~9.37mm.
7. a kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car according to claim 1, it is characterised in that institute The body of a motor car stated is with the performance indicator after the paint baking of 6181 aluminum alloy plate materials：σ0.2=257~273MPa, σb=322 ~342MPa, δ=21.0~23.9%.
CN201810182196.9A 2018-03-06 2018-03-06 A kind of preparation method of 6181 aluminum alloy plate materials of body of a motor car Pending CN108396267A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022930A (en) * 2018-07-23 2018-12-18 武汉理工大学 A kind of magnetic treatment and modification aluminium alloy automobile wagon sheet and preparation method thereof
CN109161734A (en) * 2018-11-09 2019-01-08 中南大学 A kind of aluminium alloy automobile Casting Rolled Sheet blank and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103173661A (en) * 2013-02-27 2013-06-26 北京科技大学 Car body aluminum alloy plate and manufacturing method thereof
CN104372210A (en) * 2014-12-01 2015-02-25 北京科技大学 Automotive low-cost high-formability aluminum alloy material and preparation method thereof
CN106756286A (en) * 2016-11-16 2017-05-31 东北大学 A kind of preparation method of 6181 aluminum alloy plate materials

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103173661A (en) * 2013-02-27 2013-06-26 北京科技大学 Car body aluminum alloy plate and manufacturing method thereof
CN104372210A (en) * 2014-12-01 2015-02-25 北京科技大学 Automotive low-cost high-formability aluminum alloy material and preparation method thereof
CN106756286A (en) * 2016-11-16 2017-05-31 东北大学 A kind of preparation method of 6181 aluminum alloy plate materials

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王世洪编著: "《铝及铝合金热处理》", 28 February 1986, 机械工业出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022930A (en) * 2018-07-23 2018-12-18 武汉理工大学 A kind of magnetic treatment and modification aluminium alloy automobile wagon sheet and preparation method thereof
CN109161734A (en) * 2018-11-09 2019-01-08 中南大学 A kind of aluminium alloy automobile Casting Rolled Sheet blank and preparation method thereof

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Application publication date: 20180814