CN101885001A - Continuous cast-rolling method of aluminum/aluminum composite boards - Google Patents
Continuous cast-rolling method of aluminum/aluminum composite boards Download PDFInfo
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- CN101885001A CN101885001A CN2010102307497A CN201010230749A CN101885001A CN 101885001 A CN101885001 A CN 101885001A CN 2010102307497 A CN2010102307497 A CN 2010102307497A CN 201010230749 A CN201010230749 A CN 201010230749A CN 101885001 A CN101885001 A CN 101885001A
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Abstract
The invention relates to a continuous cast-rolling method of aluminum/aluminum composite boards, comprising the following process steps of cast-rolling aluminum alloy, controlling temperature and heating a composite board. The heat treatment process of the composite board mainly comprises the following steps: firstly selecting the needed aluminum alloy component; cast-rolling the aluminum alloy component into the needed board thickness, wherein the board rolling temperature is 200-400 DEG C; heating the well-designed aluminum alloy board to be composited with a cast-rolling board, wherein the surface layer heating temperature is controlled at 560-720 DEG C, and the surface layer depth is controlled at 10-30% of the board thickness; laminating the heated aluminum alloy board and the cast-rolling board; entering a preheated secondary roller in advance to perform composite rolling, wherein the secondary roller preheating temperature is 100-400 DEG C; delivering a composite metal board after composite rolling into a heat treating furnace to perform diffusion, annealing and discharge; and air cooling to room temperature. The continuous cast-rolling method has the following major advantages that complicated chemical treatment on the aluminum plate surface is not needed, and interface metallurgical bonding of the aluminum/aluminum composite board is realized under smaller deformation conditions and deformation pressure by utilizing a cast-rolling method, thus obviously reducing the heat-rolling cost, and improving the interface bonding strength.
Description
Technical field
The present invention relates to a kind of metal material shaping process technology, be specifically related to a kind of aluminium/continuous cast-rolling method of aluminum/aluminum composite boards.
Background technology
Compoundization of metal material and functionalization are 21st century metal material main development tendency.At present, the bimetallic material that adopts composite algorithm production is used widely in the industrial circles such as electronics at aviation, oil, chemical industry, shipbuilding, automobile.Its product comprises: composite plates such as steel/aluminium, stainless steel/aluminium, nickel/stainless steel, copper/steel, copper/aluminium, aluminium/titanium.
Gu aluminium/aluminum composite plate mainly adopts solid-complex technique, generally be that the surperficial turnning and milling of the ingot casting of two kinds of different-alloy compositions is removed certain thickness, wash technology according to big ingot casting erosion again and carry out surface clean, then two ingot castings are superimposed, middle employing argon arc welding is welded.The composite ingot that welding is good heats, insulation, hot rolling, roll bending, and then cold rolling.This method is comparatively taken a lot of work when turnning and milling ingot casting surface, and erosion is washed technology and caused environmental pollution easily, and the welding link is also more time-consuming, so this production method seems fairly simple, but its production efficiency is lower in practical operation, and energy consumption is bigger, and is the mode of production intermittently.With 1050 commercial-purity aluminium parent metals, the clad metal is 1085 rafifinals as northeast light-alloy Co., Ltd.Produce 1050 commercial-purity aluminium side's ingots with the semi-continuous casting method, the cross section is 240mm * 1070mm, and every facing cut face thickness is 10mm; Produce 1085 rafifinal side's ingots with the semi-continuous casting method, the cross section is 300mm * 1070mm.Thickness after the cladding plate hot rolling is (35 ± 1.0) mm.Erosion is washed technology and is washed technology by the erosion of the big ingot bar of existing fine aluminium and lose and wash.Carry out compound heating and compound hot rolling with reference to existing 1050 commercial-purity aluminium hot rolling technologies, roll up on the thick heat of the compound 8.0mm of being hot-rolled down to.The application for a patent for invention " aluminium alloy composite material for vehicle radiator flat tube and manufacture method thereof " of Nantong Ward aluminothermy transmission Co., Ltd, adopt the method for argon arc welding that AA4343 aluminium alloy cast ingot and Mod3003 alloy cast ingot are welded together, be heated to 520～540 ℃, hot rolling behind the maintenance 10h, obtain hot rolling slab, then hot rolling slab is carried out cold rolling processing.
Summary of the invention
The objective of the invention is in order to overcome the deficiency of prior art, a kind of aluminium/continuous cast-rolling method of aluminum/aluminum composite boards is provided, this method has not only been simplified the processing of aluminum alloy surface, reduces rolling reduction, and can make full use of the advantage of rolling casting technology, realize aluminium/aluminium metallurgical interface combination, improve the new technology of the drawing performance of aluminium/aluminum composite plate, realize simplifying technology, energy savings simultaneously, reduce production costs the purpose that enlarges its range of application and be easy to promote.
Technical scheme of the present invention is: a kind of aluminium/continuous cast-rolling method of aluminum/aluminum composite boards, comprise the control of aluminium alloy casting and temperature, and the composite plate heating, composite plate Technology for Heating Processing step is characterized in that: a, composite rolling process are implemented on casting and rolling the production line; Select needed al alloy component, casting becomes needed thickness of slab; Adopt the hot-rolling casting, the controlled rolling plate temperature is 200～400 ℃;
B, will design will with the heating of the compound aluminium alloy plate of casting plate, the top layer heating and temperature control is at 560～720 ℃, skin depth is controlled at 10～30% of thickness of slab;
C, the aluminium alloy plate and the casting plate of heating is superimposed, the secondary roll that enters prior preheating carries out composite rolling, and secondary roll preheat temperature is 100～400 ℃;
D, the clad metal sheet of composite rolling sent into carry out diffusion annealing in the heat-treatment furnace, its heat treating regime is: annealing temperature is 350～550 ℃, and annealing time is determined by the material tape measure is very little, but is not less than 0.5 hour, be cooled to 150 ℃ with stove and come out of the stove, air cooling is to room temperature then.
Wherein, needed al alloy component be meant can be on common casting and rolling the production line can casting al alloy component; Casting become needed thickness of slab be meant can be on common casting and rolling the production line can casting thickness of slab, be generally 6～10mm; Design will with the compound aluminium alloy plate of casting plate be meant be heated to after 560～720 ℃ can rolling deformation aluminium alloy.Design will with the compound aluminium alloy plate thickness of casting plate at 0.5～4mm; The end certain distance that staggers mutually when casting plate and composite plate are combined into lamination, staggering is of a size of 10mm ± 2mm; Total reduction ratio of clad aluminium is 10%～35% when rolling.
The present invention compares with existing rolling complex technique, its advantage is: utilize the advantage of aluminium sheet rolling casting technology, do not need the little molten heating composite plate in surface is adopted in the whole heating of stack composite plate, do not need complex surfaces to handle, can be rolled aluminium/aluminum composite plate.Its significant effect is: total reduction ratio of aluminium significantly reduces, and can realize the metallurgical machinery combination at aluminium/aluminium interface when 10～35% reduction ratio, and the intermediate alloy deflection has only 3～8%, has guaranteed the punching formation property of clad aluminium.The present invention utilizes surperficial heat treated, does not need complex surfaces chemistry, mechanical treatment, has simplified technology, is convenient to realize continuous production, utilizes the waste heat of casting plate simultaneously, has effectively reduced energy resource consumption, has reduced production cost.Therefore, very easily promotion and application of the present invention.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Example 1: it is compound to implement three layers of 4xxx/3xxx/4xxx.Through the casting rolling thickness is the 3xxx aluminium sheet of 6mm, and temperature is 300 ℃ after the casting.The 4xxx alloy that 0.5mm is thick is heated to 720 ℃ of surface temperatures, the 3xxx aluminium alloy upper and lower surface that is added to, and the roll of sending into 100 ℃ of prior preheatings carries out composite rolling.Subsequently the composite plate behind the composite rolling is sent into and carried out diffusion annealing in the heat-treatment furnace, annealing temperature is 350 ℃, is incubated 1 hour, the air cooling of coming out of the stove after being chilled to 150 ℃ with stove.Gross thickness 7mm before above-mentioned composite plate is rolling, rolling back thickness is 5.6mm, total reduction ratio 20%, its combination interface is the metallurgical machinery combination.
Example 2: it is compound to implement two layers of 3xxx/4xxx.Through the casting rolling thickness is the 3xxx aluminium sheet of 7mm, and temperature is 400 ℃ after the casting.The 4xxx alloy that 1mm is thick is heated to 660 ℃ of surface temperatures, (or down) surface on the 3xxx aluminium alloy that is added to, and the roll of sending into 150 ℃ of prior preheatings carries out composite rolling.Subsequently the composite plate behind the composite rolling is sent into and carried out diffusion annealing in the heat-treatment furnace, annealing temperature is 400 ℃, is incubated 1 hour, the air cooling of coming out of the stove after being chilled to 150 ℃ with stove.Gross thickness 8mm before above-mentioned composite plate is rolling, rolling back thickness is 5.5mm, total reduction ratio 31%, its interface is in conjunction with firm.
Example 3: it is compound to implement three layers of 4xxx/3xxx/4xxx.Through the casting rolling thickness is the 3xxx aluminium sheet of 10mm, and temperature is 400 ℃ after the casting.The 4xxx alloy that 2mm is thick is heated to 560 ℃ of surface temperatures, the 3xxx aluminium alloy upper and lower surface that is added to, and the roll of sending into 400 ℃ of prior preheatings carries out composite rolling.Subsequently the composite plate behind the composite rolling is sent into and carried out diffusion annealing in the heat-treatment furnace, annealing temperature is 550 ℃, is incubated 1 hour, the air cooling of coming out of the stove after being chilled to 150 ℃ with stove.Gross thickness 14mm before above-mentioned composite plate is rolling, rolling back thickness is 9mm, total reduction ratio 35.7%, its interface is in conjunction with firm.
Example 4: it is compound to implement two layers of 3xxx/4xxx.Through the casting rolling thickness is the 3xxx aluminium sheet of 6mm, and temperature is 200 ℃ after the casting.The 4xxx alloy that 4mm is thick is heated to 660 ℃ of surface temperatures, (or down) surface on the 3xxx aluminium alloy that is added to, and the roll of sending into 100 ℃ of prior preheatings carries out composite rolling.Subsequently the composite plate behind the composite rolling is sent into and carried out diffusion annealing in the heat-treatment furnace, annealing temperature is 450 ℃, is incubated 1 hour, the air cooling of coming out of the stove after being chilled to 150 ℃ with stove.Gross thickness 10mm before above-mentioned composite plate is rolling, rolling back thickness is 7mm, total reduction ratio 30%, its interface is in conjunction with firm.
Example 5: it is compound to implement three layers of 4xxx/3xxx/4xxx.Through the casting rolling thickness is the 3xxx aluminium sheet of 7mm, and temperature is 300 ℃ after the casting.The 4xxx alloy that 1mm is thick is heated to 660 ℃ of surface temperatures, the 3xxx aluminium alloy upper and lower surface that is added to, and the roll of sending into 300 ℃ of prior preheatings carries out composite rolling.Subsequently the composite plate behind the composite rolling is sent into and carried out diffusion annealing in the heat-treatment furnace, annealing temperature is 500 ℃, is incubated 1 hour, the air cooling of coming out of the stove after being chilled to 150 ℃ with stove.Gross thickness 9mm before above-mentioned composite plate is rolling, rolling back thickness is 7mm, total reduction ratio 22%, its interface is in conjunction with firm.
Example 6: implement 10,85/,105,0/1,085 3 layers compound.Through the casting rolling thickness is 1050 aluminium sheets of 7mm, and temperature is 300 ℃ after the casting.1085 alloys that 1mm is thick are heated to 620 ℃ of surface temperatures, the 1050 aluminium alloy upper and lower surfaces that are added to, and the roll of sending into 300 ℃ of prior preheatings carries out composite rolling.Subsequently the composite plate behind the composite rolling is sent into and carried out diffusion annealing in the heat-treatment furnace, annealing temperature is 500 ℃, is incubated 1 hour, the air cooling of coming out of the stove after being chilled to 150 ℃ with stove.Gross thickness 9mm before above-mentioned composite plate is rolling, rolling back thickness is 7mm, total reduction ratio 22%, its interface is in conjunction with firm.
Example 7: it is compound to implement 1085/1050 single face.Through the casting rolling thickness is 1050 aluminium sheets of 7mm, and temperature is 300 ℃ after the casting.1085 alloys that 1mm is thick are heated to 620 ℃ of surface temperatures, the 1050 aluminium alloy upper surfaces that are added to, and the roll of sending into 300 ℃ of prior preheatings carries out composite rolling.Subsequently the composite plate behind the composite rolling is sent into and carried out diffusion annealing in the heat-treatment furnace, annealing temperature is 500 ℃, is incubated 1 hour, the air cooling of coming out of the stove after being chilled to 150 ℃ with stove.Gross thickness 8mm before above-mentioned composite plate is rolling, rolling back thickness is 6.32mm, total reduction ratio 21%, its interface is in conjunction with firm.
Claims (4)
1. an aluminium/continuous cast-rolling method of aluminum/aluminum composite boards comprises the control of aluminium alloy casting and temperature, the composite plate heating, and composite plate Technology for Heating Processing step is characterized in that: a, composite rolling process are implemented on casting and rolling the production line; Select needed al alloy component, casting becomes needed thickness of slab, adopts the hot-rolling casting, and the controlled rolling plate temperature is 200～400 ℃;
B, will design will with the heating of the compound aluminium alloy plate of casting plate, the top layer heating and temperature control is at 560～720 ℃, skin depth is controlled at 10～30% of thickness of slab;
C, the aluminium alloy plate and the casting plate of heating is superimposed, the secondary roll that enters prior preheating carries out composite rolling, and secondary roll preheat temperature is 100～400 ℃;
D, the clad metal sheet of composite rolling sent into carry out diffusion annealing in the heat-treatment furnace, its heat treating regime is: annealing temperature is 350～550 ℃, and annealing time is determined by the material tape measure is very little, but is not less than 0.5 hour, be cooled to 150 ℃ with stove and come out of the stove, air cooling is to room temperature then.
2. aluminium/continuous cast-rolling method of aluminum/aluminum composite boards according to claim 1, it is characterized in that described needed al alloy component be meant can be on common casting and rolling the production line can casting al alloy component; Described casting become needed thickness of slab be meant can be on common casting and rolling the production line can casting thickness of slab, be generally 6～10mm.
3. aluminium/continuous cast-rolling method of aluminum/aluminum composite boards according to claim 1, it is characterized in that described design will with the compound aluminium alloy plate of casting plate be meant be heated to after 560～720 ℃ can rolling deformation aluminium alloy.
4. aluminium/continuous cast-rolling method of aluminum/aluminum composite boards according to claim 3, it is characterized in that designing will with the compound aluminium alloy plate thickness of casting plate at 0.5～4mm.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071976A (en) * | 2012-12-24 | 2013-05-01 | 陈乾辉 | Production method of copper-imitation stainless steel member |
| CN103276149A (en) * | 2013-06-13 | 2013-09-04 | 广西南南铝加工有限公司 | Preparation method of aluminum alloy composite material for automobile heat exchanger |
| CN103612434A (en) * | 2013-11-25 | 2014-03-05 | 银邦金属复合材料股份有限公司 | Large-proportion hot-rolled composite aluminum alloy material and hot rolling compounding method thereof |
| CN104439980A (en) * | 2014-12-12 | 2015-03-25 | 西南铝业（集团）有限责任公司 | processing technique for 5083H321 aluminium alloy plates |
| CN103567222B (en) * | 2013-10-12 | 2016-05-04 | 酒泉钢铁(集团)有限责任公司 | A kind of iron and steel and aluminium alloy plate carries product hot rolling mixed production line and production technology |
| CN106166569A (en) * | 2016-07-28 | 2016-11-30 | 汉舟四川铜铝复合科技有限公司 | A kind of aftertreatment technology of copper aluminum composite material |
| CN107262525A (en) * | 2017-07-06 | 2017-10-20 | 兰州理工大学 | The method of aluminum-based layered composite material semi-solid state roll forming |
| CN108312667A (en) * | 2018-03-30 | 2018-07-24 | 广州金纪金属制造有限公司 | Composite metal plate and its production technology |
| CN110257673A (en) * | 2019-06-24 | 2019-09-20 | 江苏鼎胜新能源材料股份有限公司 | One kind is for producing car radiation composite fin aluminum foil material and preparation method thereof |
| CN112981153A (en) * | 2021-02-09 | 2021-06-18 | 太原理工大学 | High-strength high-conductivity aluminum/aluminum alloy composite board and preparation method thereof |
| CN114393036A (en) * | 2022-01-20 | 2022-04-26 | 攀枝花学院 | Preparation method of titanium-aluminum composite board |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071976B (en) * | 2012-12-24 | 2015-04-01 | 陈乾辉 | Production method of copper-imitation stainless steel member |
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| CN103276149A (en) * | 2013-06-13 | 2013-09-04 | 广西南南铝加工有限公司 | Preparation method of aluminum alloy composite material for automobile heat exchanger |
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| CN103567222B (en) * | 2013-10-12 | 2016-05-04 | 酒泉钢铁(集团)有限责任公司 | A kind of iron and steel and aluminium alloy plate carries product hot rolling mixed production line and production technology |
| CN103612434A (en) * | 2013-11-25 | 2014-03-05 | 银邦金属复合材料股份有限公司 | Large-proportion hot-rolled composite aluminum alloy material and hot rolling compounding method thereof |
| CN103612434B (en) * | 2013-11-25 | 2016-08-24 | 银邦金属复合材料股份有限公司 | A kind of vast scale method hot rolling aluminum alloy materials and hot rolling compounding method thereof |
| CN104439980A (en) * | 2014-12-12 | 2015-03-25 | 西南铝业（集团）有限责任公司 | processing technique for 5083H321 aluminium alloy plates |
| CN106166569A (en) * | 2016-07-28 | 2016-11-30 | 汉舟四川铜铝复合科技有限公司 | A kind of aftertreatment technology of copper aluminum composite material |
| CN107262525A (en) * | 2017-07-06 | 2017-10-20 | 兰州理工大学 | The method of aluminum-based layered composite material semi-solid state roll forming |
| CN108312667A (en) * | 2018-03-30 | 2018-07-24 | 广州金纪金属制造有限公司 | Composite metal plate and its production technology |
| CN110257673A (en) * | 2019-06-24 | 2019-09-20 | 江苏鼎胜新能源材料股份有限公司 | One kind is for producing car radiation composite fin aluminum foil material and preparation method thereof |
| CN112981153A (en) * | 2021-02-09 | 2021-06-18 | 太原理工大学 | High-strength high-conductivity aluminum/aluminum alloy composite board and preparation method thereof |
| CN114393036A (en) * | 2022-01-20 | 2022-04-26 | 攀枝花学院 | Preparation method of titanium-aluminum composite board |
| CN114393036B (en) * | 2022-01-20 | 2023-11-07 | 攀枝花学院 | Preparation method of titanium-aluminum composite board |
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