CN105624476B - A kind of preparation method of high intensity stratiform aluminum alloy plate materials for building - Google Patents
A kind of preparation method of high intensity stratiform aluminum alloy plate materials for building Download PDFInfo
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- CN105624476B CN105624476B CN201511025043.6A CN201511025043A CN105624476B CN 105624476 B CN105624476 B CN 105624476B CN 201511025043 A CN201511025043 A CN 201511025043A CN 105624476 B CN105624476 B CN 105624476B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- 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
- C22F1/053—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent
Abstract
The invention belongs to structure material and its processing technique field, a kind of preparation method of high intensity stratiform aluminum alloy plate materials for building is disclosed.The preparation method includes clad and prepared by sandwich layer, and the clad and sandwich layer obtain clad and sandwich layer cast sheet respectively through dispensing → melting → degasification, filtering → casting → homogenizing annealing → sawing → surface treatment procedure；The cast sheet handled well is subjected to composite welding → preheating, hot rolling → cold rolling → intermediate annealing → cold rolling → solid solution → Ageing Treatment according to clad/sandwich layer/clad again, finished product is obtained.The present invention carries out composite rolling for double cast sturctures aluminium alloy, and Interface composites are worked well, and product strength and corrosion resisting property are significantly improved, and service life extension, production cost is significantly reduced.
Description
Technical field
The invention belongs to structure material and its processing technique field, it is related to a kind of preparation method of aluminum alloy plate materials, especially
It is related to a kind of preparation method of high intensity stratiform aluminum alloy plate materials for building.
Background technology
National building trade energy-conserving and environment-protective require developing ecology green building material, therefore, light weight, high-strength, anti-corrosion, high time
The aluminium alloy laminar composite of yield is the first choice of building materials.Compared with common individual layer aluminium alloy, aluminium alloy laminar composite
Advantage show：(1) stratiform aluminium alloy has high-strength corrosion resistance, and building materials service life is longer；(2) stratiform aluminium alloy has
Higher intensity, building materials load-bearing is more preferable；(3) coating in aluminium material surface roller coat a variety of colors is not required to, process and cost, drop is saved
Low environment pollutes；(4) rate of recovery is high, stratiform aluminium alloy scrap after the rate of recovery up to 90%, it is more environmentally friendly.
The production method of existing aluminum building materials is to coat the painting of a variety of colors on the common individual layer aluminium volume surface of cold rolling state
Material, typical production process flow is as follows：
Ingot casting → homogenization → sawing → surface treatment → preheating, hot rolling → cold rolling → intermediate annealing → cold rolling
Basic demand to aluminum building materials is with preferable mechanical property and corrosion resisting property.Current aluminum building materials are generally adopted
Two-sided roll coat enamel is rolled up with the common individual layer aluminium of cold rolling state to prepare, it has the disadvantages that：(1) coating easy damaged, decay resistance
Difference, service life is short, general 5-10；(2) its low intensity of common aluminum alloy used in, load-bearing is small；(3) safeguard and production cost
It is high.
The content of the invention
For above-mentioned technical problem, goal of the invention of the invention is：A kind of high intensity aluminum laminate for building is provided
The preparation method of sheet alloy, aluminum alloy plate materials of the present invention are three layers of composite aluminium alloy plates of double cast sturctures, can substantially be carried
The mechanical property and decay resistance of high product, substantially prolongs the service life of product, save the energy, and reduction is safeguarded and produced
Cost.
In order to reach foregoing invention purpose, the present invention is adopted the technical scheme that：
It is prepared by a kind of preparation method of high intensity stratiform aluminum alloy plate materials for building, including clad and sandwich layer,
The clad and sandwich layer are respectively through dispensing → melting → degasification, filtering → casting → homogenizing annealing → sawing
→ surface treatment procedure, obtains clad and sandwich layer cast sheet；
The cast sheet handled well is combined into three layers of compound ingot blank of cast sturcture in pairs according to clad/sandwich layer/clad, entered
Row composite welding → preheating, hot rolling → cold rolling → intermediate annealing → cold rolling → solid solution → Ageing Treatment, obtain finished product.
Further, the cast temperature of the clad is 690~710 DEG C, and the cast temperature of sandwich layer is 740~760 DEG C.
Further, the homogenizing annealing process of the clad is is incubated 16~30 hours at 580~620 DEG C, sandwich layer
Homogenizing annealing process be 420~480 DEG C at be incubated 16~24 hours.
Further, the thickness of the clad cast sheet is 16~73mm, the thickness of sandwich layer cast sheet for 250mm~
340mm。
Further, the temperature of the solid solution is 420~470 DEG C.
Further, the aging treatment process is insulation 13~24 hours at 120~140 DEG C.
Further, the thickness of layered aluminum alloy plate materials finished product is 0.6~0.9mm.
Further, by mass percentage,
The composition of the clad is：Si≤0.6, Fe≤0.7, Cu=0.05~0.2, Mn=1.0~1.5, Zn≤
0.10, surplus is Al and inevitable element, and every kind of inevitable element is below 0.05 and total amount is less than 0.15；
The composition of the sandwich layer is：Si≤0.25, Fe≤0.4, Cu≤0.25, Mn≤0.1, Mg=1.2~1.8, Zn=
5.0~6.0, Ti≤0.1, surplus is Al and inevitable element, and every kind of inevitable element is below 0.05 and total amount
Less than 0.15.
The aluminium alloy melt of the present invention reduces the hydrogen concentration in aluminum melt by degasification process, to reduce the stomata in ingot casting
Or pin hole；Oxide, non-metallic inclusion and other harmful metal impurities in aluminum melt are removed by filter progress, to reduce
The defects such as loose, stomata, slag inclusion in ingot casting.
The heterogeneous structure that nonequilibrium freezing is formed is changed into supersaturated solid solution by the present invention as far as possible by solid solution process,
The beneficial effect of alloying element is given full play to, is that Ageing Treatment is prepared.
The present invention is decomposed supersaturated solid solution and hardening constituent Precipitation by ageing treatment process, improves the power of alloy
Learn performance and anti-stress corrosion performance.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
(1) present invention combines three layers of compound ingot blank of cast sturcture in pairs, Interface composites according to clad/sandwich layer/clad
Work well, not only increase the decay resistance of material, extend the service life of product, and cause the body force of sheet material
Learn performance to be improved, building materials load-bearing is more preferable；
It is (2) of the invention by adjusting the alloying component of clad and sandwich layer and the relative scale of alloy constituent content,
Harmful effect of the impurity to aluminium alloy is reduced, so as to reduce crackle tendency；
(3) high intensity stratiform aluminum alloy plate materials prepared by the present invention have higher corrosion resistance, and its service life is long
Up to 50 years, its service life of single plate material prepared by typical process was 5-10, significantly saves the energy；Prepared by the present invention high-strength
Degree stratiform aluminum alloy plate materials are not required to the paint vehicle in its surface roller coating a variety of colors in following process, than environmental protection and energy saving.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.It should be appreciated that specific embodiment described herein is only to explain this hair
It is bright, it is not intended to limit the present invention.
Embodiment 1
A kind of preparation method of high intensity stratiform aluminum alloy plate materials for building, comprises the following steps：
(1) according to clad：Si 0.6kg, Fe 0.5kg, Cu 0.1kg, Mn 1.25kg, Zn 0.05kg and Al
97.45kg mixes；Sandwich layer：Si 0.25kg, Fe 0.2kg, Cu 0.1kg, Mn 0.05kg, Mg 1.6kg, Zn 5.5kg,
Ti 0.05kg and Al 92.21kg mixes, by the clad weighed and sandwich layer dispensing carry out respectively melting, degasification, filtering,
Casting, casts out the slab ingot that size is 650mm × 1650mm × 4200mm；Again by clad and sandwich layer slab ingot homogenizing annealing, cut
End to end and peeling, the cutting of clad ingot casting, size is 16mm × 1360mm × 3450mm sheet material, sandwich layer ingot casting point behind milling face
Cut, size is the thick sheet materials of 285mm × 1390mm × 3600mm behind milling face, be finally surface-treated, respectively obtain clad
And sandwich layer cast sheet；Wherein the cast temperature of clad is 700 DEG C, and the cast temperature of sandwich layer is 750 DEG C；The homogenization of clad
Annealing process is 600 DEG C and is incubated 20 hours, and the homogenizing annealing process of sandwich layer is insulation 20 hours at 450 DEG C；
(2) the good cast sheet of step (1) sawing is combined into three layers of cast sturcture in pairs according to clad/sandwich layer/clad
Compound ingot blank, carries out composite welding, and preheating, hot rolling, cold rolling (intermediate annealing), cold sperm roll process are rolled into 0.8 and 0.6mm thickness
Combined roll, then solid solution is carried out at 450 DEG C, Ageing Treatment is finally carried out, aging treatment process is 130 DEG C and is incubated 20 hours, obtains
Finished product.
Embodiment 2
A kind of preparation method of high intensity stratiform aluminum alloy plate materials for building, comprises the following steps：
(1) according to clad：Si 0.6kg, Fe 0.5kg, Cu 0.1kg, Mn 1.25kg, Zn 0.05kg and Al
97.45kg mixes；Sandwich layer：Si 0.25kg, Fe 0.2kg, Cu 0.1kg, Mn 0.05kg, Mg 1.6kg, Zn 5.5kg,
Ti 0.05kg and Al 92.21kg mixes, by the clad weighed and sandwich layer dispensing carry out respectively melting, degasification, filtering,
Casting, casts out the slab ingot that size is 650mm × 1650mm × 4200mm；Again by clad and sandwich layer slab ingot homogenizing annealing, cut
End to end and peeling, the cutting of clad ingot casting, size is 31mm × 1360mm × 3450mm sheet material, sandwich layer ingot casting point behind milling face
Cut, size is the thick sheet materials of 250mm × 1390mm × 3600mm behind milling face, be finally surface-treated, obtain clad and core
Layer cast sheet；Wherein the cast temperature of clad is 690 DEG C, and the cast temperature of sandwich layer is 740 DEG C；The homogenizing annealing of clad
Technique is 580 DEG C and is incubated 30 hours, and the homogenizing annealing process of sandwich layer is insulation 16 hours at 420 DEG C；
(2) the good cast sheet of step (1) sawing is combined into three layers of cast sturcture in pairs according to clad/sandwich layer/clad
Compound ingot blank, carries out composite welding, and preheating, hot rolling, cold rolling (intermediate annealing), cold sperm roll process are rolled into 0.8 and 0.6mm thickness
Combined roll, then solid solution is carried out at 420 DEG C, Ageing Treatment is finally carried out, aging treatment process is 120 DEG C and is incubated 24 hours, obtains
Finished product.
Embodiment 3
A kind of preparation method of high intensity stratiform aluminum alloy plate materials for building, comprises the following steps：
(1) according to clad：Si 0.6kg, Fe 0.5kg, Cu 0.1kg, Mn 1.25kg, Zn 0.05kg and Al
97.45kg mixes；Sandwich layer：Si 0.25kg, Fe 0.2kg, Cu 0.1kg, Mn 0.05kg, Mg 1.6kg, Zn 5.5kg,
Ti 0.05kg and Al 92.21kg mixes, by the clad weighed and sandwich layer dispensing carry out respectively melting, degasification, filtering,
Casting, casts out the slab ingot that size is 650mm × 1650mm × 4200mm；Again by clad and sandwich layer slab ingot homogenizing annealing, cut
End to end and peeling, the cutting of clad ingot casting, size is 73mm × 1360mm × 3450mm sheet material, sandwich layer ingot casting point behind milling face
Cut, size is the thick sheet materials of 340mm × 1390mm × 3600mm behind milling face, be finally surface-treated, obtain clad and core
Layer cast sheet；Wherein the cast temperature of clad is 710 DEG C, and the cast temperature of sandwich layer is 760 DEG C；The homogenizing annealing of clad
Technique is 620 DEG C and is incubated 30 hours, and the homogenizing annealing process of sandwich layer is insulation 16 hours at 480 DEG C；
(2) the good cast sheet of step (1) sawing is combined into three layers of cast sturcture in pairs according to clad/sandwich layer/clad
Compound ingot blank, carries out composite welding, and preheating, hot rolling, cold rolling (intermediate annealing), cold sperm roll process are rolled into 0.8 and 0.6mm thickness
Combined roll, then solid solution is carried out at 470 DEG C, Ageing Treatment is finally carried out, aging treatment process is 140 DEG C and is incubated 13 hours, obtains
Finished product.
Embodiment 4
A kind of preparation method of high intensity stratiform aluminum alloy plate materials for building, comprises the following steps：
(1) according to clad：Si 0.6kg, Fe 0.3kg, Cu 0.07kg, Mn 1.0kg, Zn 0.1kg and Al
97.90kg mixes；Sandwich layer：Si 0.25kg, Fe 0.2kg, Cu 0.1kg, Mn 0.05kg, Mg 1.6kg, Zn 5.5kg,
Ti 0.05kg and Al 92.21kg mixes, by the clad weighed and sandwich layer dispensing carry out respectively melting, degasification, filtering,
Casting, casts out the slab ingot that size is 650mm × 1650mm × 4200mm；Again by clad and sandwich layer slab ingot homogenizing annealing, cut
End to end and peeling, the cutting of clad ingot casting, size is 16mm × 1360mm × 3450mm sheet material, sandwich layer ingot casting point behind milling face
Cut, size is the thick sheet materials of 285mm × 1390mm × 3600mm behind milling face, be finally surface-treated, respectively obtain clad
And sandwich layer cast sheet；Wherein the cast temperature of clad is 700 DEG C, and the cast temperature of sandwich layer is 750 DEG C；The homogenization of clad
Annealing process is 600 DEG C and is incubated 20 hours, and the homogenizing annealing process of sandwich layer is insulation 20 hours at 450 DEG C；
(2) the good cast sheet of step (1) sawing is combined into three layers of cast sturcture in pairs according to clad/sandwich layer/clad
Compound ingot blank, carries out composite welding, and preheating, hot rolling, cold rolling (intermediate annealing), cold sperm roll process are rolled into 0.8 and 0.6mm thickness
Combined roll, then solid solution is carried out at 450 DEG C, Ageing Treatment is finally carried out, aging treatment process is 130 DEG C and is incubated 20 hours, obtains
Finished product.
Embodiment 5
A kind of preparation method of high intensity stratiform aluminum alloy plate materials for building, comprises the following steps：
(1) according to clad：Si 0.6kg, Fe 0.3kg, Cu 0.07kg, Mn 1.0kg, Zn 0.1kg and Al
97.90kg mixes；Sandwich layer：Si 0.15kg, Fe 0.4kg, Cu 0.2kg, Mn 0.1kg, Mg 1.2kg, Zn 5.1kg,
Ti 0.1kg and Al 92.71kg mixes, by the clad weighed and sandwich layer dispensing carry out respectively melting, degasification, filtering,
Casting, casts out the slab ingot that size is 650mm × 1650mm × 4200mm；Again by clad and sandwich layer slab ingot homogenizing annealing, cut
End to end and peeling, the cutting of clad ingot casting, size is 16mm × 1360mm × 3450mm sheet material, sandwich layer ingot casting point behind milling face
Cut, size is the thick sheet materials of 285mm × 1390mm × 3600mm behind milling face, be finally surface-treated, respectively obtain clad
And sandwich layer cast sheet；Wherein the cast temperature of clad is 700 DEG C, and the cast temperature of sandwich layer is 750 DEG C；The homogenization of clad
Annealing process is 600 DEG C and is incubated 20 hours, and the homogenizing annealing process of sandwich layer is insulation 20 hours at 450 DEG C；
(2) the good cast sheet of step (1) sawing is combined into three layers of cast sturcture in pairs according to clad/sandwich layer/clad
Compound ingot blank, carries out composite welding, and preheating, hot rolling, cold rolling (intermediate annealing), cold sperm roll process are rolled into 0.8 and 0.6mm thickness
Combined roll, then solid solution is carried out at 450 DEG C, Ageing Treatment is finally carried out, aging treatment process is 130 DEG C and is incubated 20 hours, obtains
Finished product.
The embodiment 1-5 each aluminum alloy plate materials prepared are tested, the test result such as Mechanics Performance Testing of table 1 and table 2
Shown in the test of salt air corrosion performance.Wherein mechanical property is surveyed according to GB/T 228.1-2010 metal material stretching tests
Examination；Salt air corrosion is to be modified salt fog test procedure according to ASTM/G85-1998 to be tested.Typical building single layer aluminium sheet it is anti-
Tensile strength is 145~280MPa, and yield strength is 115~240MPa, and elongation percentage is 4~8%, and anticorrosive number of days is 10 days.
Table 1
Table 2
Claims (5)
1. prepared by a kind of preparation method of high intensity stratiform aluminum alloy plate materials for building, including clad and sandwich layer, its feature exists
In：
The clad and sandwich layer are respectively through dispensing → melting → degasification, filtering → casting → homogenizing annealing → sawing → table
Face treatment process, obtains clad and sandwich layer cast sheet；
The cast sheet handled well is combined into three layers of compound ingot blank of cast sturcture in pairs according to clad/sandwich layer/clad, answered
Welding → preheating, hot rolling → cold rolling → intermediate annealing → cold rolling → solid solution → Ageing Treatment are closed, finished product is obtained；
The temperature of the solid solution is 420~470 DEG C；The aging treatment process is insulation 13~24 hours at 120~140 DEG C；
By mass percentage：
The composition of the clad is：Si≤0.6, Fe≤0.7, Cu=0.05~0.2, Mn=1.0~1.5, Zn≤0.10, it is remaining
Measure as Al and inevitable element, every kind of inevitable element is below 0.05 and total amount is less than 0.15；
The composition of the sandwich layer is：Si≤0.25, Fe≤0.4, Cu≤0.25, Mn≤0.1, Mg=1.2~1.8, Zn=5.0~
6.0, Ti≤0.1, surplus is Al and inevitable element, and every kind of inevitable element is below 0.05 and total amount is less than
0.15。
2. a kind of preparation method of high intensity stratiform aluminum alloy plate materials for building according to claim 1, it is characterised in that：
The cast temperature of the clad is 690~710 DEG C, and the cast temperature of sandwich layer is 740~760 DEG C.
3. a kind of preparation method of high intensity stratiform aluminum alloy plate materials for building according to claim 1, it is characterised in that：
The homogenizing annealing process of the clad is is incubated 16~30 hours at 580~620 DEG C, and the homogenizing annealing process of sandwich layer is
16~24 hours are incubated at 420~480 DEG C.
4. a kind of preparation method of high intensity stratiform aluminum alloy plate materials for building according to claim 1, it is characterised in that：
The thickness of the clad cast sheet is 16~73mm, and the thickness of sandwich layer cast sheet is 250mm~340mm.
5. a kind of system of high intensity stratiform aluminum alloy plate materials for building according to any one of Claims 1-4 claim
Preparation Method, it is characterised in that：The thickness of layered aluminum alloy plate materials finished product is 0.6~0.9mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4056364B1 (en) * | 2017-04-24 | 2023-12-13 | Novelis, Inc. | Clad aluminium alloy products and methods of making the same |
| CN108396209B (en) * | 2018-04-17 | 2020-06-02 | 广西南南铝加工有限公司 | Preparation method of 6xxx/7xxx aluminum alloy composite material |
| CN108909138B (en) * | 2018-06-22 | 2021-02-12 | 广西南南铝加工有限公司 | Preparation method of 1xxx/7xxx aluminum alloy composite material |
| CN109957690B (en) * | 2019-05-09 | 2020-11-10 | 广西南南铝加工有限公司 | Preparation method of aluminum alloy composite material for electronic product appearance part |
| CN113996655A (en) * | 2021-08-19 | 2022-02-01 | 山东南山铝业股份有限公司 | Preparation method of 7075 aluminum alloy clad skin sheet for T6-state aviation |
| CN113802033B (en) * | 2021-09-15 | 2022-03-08 | 山东宏桥新型材料有限公司 | Corrosion-resistant aluminum alloy strip for ship decoration and preparation process and application thereof |
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| CN1832825A (en) * | 2003-08-29 | 2006-09-13 | 克里斯铝轧制品有限公司 | High strength aluminium alloy brazing sheet, brazed assembly and method for producing the same |
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