CN108715959A - A kind of vehicle body two-layer compound aluminium alloy plate - Google Patents
A kind of vehicle body two-layer compound aluminium alloy plate Download PDFInfo
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- CN108715959A CN108715959A CN201810553482.1A CN201810553482A CN108715959A CN 108715959 A CN108715959 A CN 108715959A CN 201810553482 A CN201810553482 A CN 201810553482A CN 108715959 A CN108715959 A CN 108715959A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 74
- 150000001875 compounds Chemical class 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000011282 treatment Methods 0.000 claims description 38
- 238000005266 casting Methods 0.000 claims description 30
- 238000000265 homogenisation Methods 0.000 claims description 30
- 238000005097 cold rolling Methods 0.000 claims description 20
- 238000005098 hot rolling Methods 0.000 claims description 15
- 239000000956 alloy Substances 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 230000032683 aging Effects 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 238000003801 milling Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 5
- 239000006104 solid solution Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000010422 painting Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000009957 hemming Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/016—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of aluminium or aluminium alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
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- 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)
- Laminated Bodies (AREA)
- Body Structure For Vehicles (AREA)
- Metal Rolling (AREA)
Abstract
The invention belongs to a kind of vehicle body two-layer compound aluminium alloy plates, as adding Ce and making A layers of body of a motor car two-layer compound aluminium alloy obtained by the present invention have excellent mouldability and hardness, intensity high in conjunction with corresponding process conditions；By adding Ce and Sc and making B layer there is preferable moulding and higher baking vanish hardening response in conjunction with corresponding process conditions, two layers it is compound after aluminum alloy plate materials intensity is high, B layer side acquisition intensity raising can be widely applied to the manufacturing field of body of a motor car, panel to good moldability in painting dressing automobiles toast processing procedure simultaneously.
Description
Technical field
The invention belongs to aluminum alloy materials technical fields, and in particular to a kind of vehicle body two-layer compound aluminium alloy plate.
Background technology
Aluminium alloy has preferable electric conductivity since its intensity is high, light-weight, be widely used in aerospace,
The technical fields such as automobile making become the optimal material of automotive light weight technology.Because aluminium alloy vehicle outer body panel mouldability,
Dent resistance, baking hardenability (after japanning) and thus obtained high mechanical strength have thinner rule so as to manufacture
Lattice and sheet material lighter while that there is A grades of surface smoothnesses.The strong of alloy can substantially be prompted by improving Mg contents in aluminium alloy
Degree, processability and corrosion resistance, but there are delayed yields and Le Desi lines, the shortcomings that " pebbling " easily occur.And show
The aluminium alloy processing technology of aluminum alloy plate materials hemming performance and surface painting brush two aspect performance requirements of linear energy can be met simultaneously by having
Complexity, and ingredient requirement is more harsh, cost is higher.
Invention content
The object of the present invention is to provide a kind of mechanical property with excellent hemming performance, good surface quality, stabilization
The processing method of the aluminium alloys for auto body plate of stabilizability and excellent baking vanish hardening capacity.
To achieve the above object, the technical solution adopted by the present invention is a kind of vehicle body two-layer compound aluminium alloy plate, including
Following steps：
1）Aluminium alloy plate A and aluminium alloy plate B are subjected to hot rolling and form two-layer composite；In the aluminium alloy plate A it is each chemistry at
Point weight percent is：Si 0.5 ~ 1.5%, Cu 0.55 ~ 1.8%, Zn 0.25 ~ 0.53%, Mg 2.5 ~ 5.0%, Fe≤
1%, Ce 0.1~0.2%, surplus Al；Each chemical component weight percentage is in the aluminium alloy plate B：Si 2.5 ~ 3.5%,
Cu 0.65 ~ 1.5%, Zn 0.2 ~ 0.33%, Mg 0.4 ~ 1%, Sc 0.15 ~ 0.35%, Fe≤1%, Ce 0.2~0.25%,
Surplus is Al；The thickness of the aluminium alloy plate A and aluminium alloy plate B is than 0.8 ︰, 1~1.2 ︰ 1；
2）It will be through step 1）The two-layer composite plank that is obtained after processing carries out solution treatment, and solid solution temperature is 475~
510 DEG C, soaking time is 12-15 hours；
3）It will be through step 2）The plank obtained after processing carries out artificial aging processing, and artificial aging treatment temperature is 95 ~ 100 DEG C,
Time is 6 ~ 8h.
The preparation method of the aluminium alloy plate A is as follows：
A, commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
B, selected raw material is melted, ingot casting is cast as after the refined processing of melt；
C, ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 420~440 DEG C, Homogenization Treatments
Time is 2~10h；
D, will be through step c treated slab hot-rollings at plate, start rolling temperature is 440-475 DEG C, and finishing temperature is 280-300 DEG C；
E, hot rolled plate step d obtained carry out cold rolling, intermediate annealing and again cold rolling to obtain the finished product of final thickness.
Casting temperature in the step b is 670-685 DEG C.
The preparation method of the aluminium alloy plate B is as follows：
（1）Commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
（2）Selected raw material is melted, ingot casting is cast as after the refined processing of melt；
（3）Ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 420~460 DEG C, at homogenization
The reason time is 2~8h；
（4）It will be through step（3）Treated slab hot-rolling is at plate, and start rolling temperature is 450-480 DEG C, finishing temperature 280-300
℃；
（5）To step（4）Obtained hot rolled plate carry out cold rolling, intermediate annealing and again cold rolling with obtain final thickness at
Product.
The step（2）In casting temperature be 685-715 DEG C.
The thickness of aluminium alloys for auto body plate prepared by the present invention is 0.15~4mm.
The beneficial effect comprise that：As adding Ce and making obtained by the present invention in conjunction with corresponding process conditions
Body of a motor car has excellent mouldability and hardness, intensity high for A layers with two-layer compound aluminium alloy；By adding Ce and Sc and knot
Closing corresponding process conditions makes B layers to have a preferable moulding and higher baking vanish hardening response, two layers it is compound after aluminium alloy
Timber intensity is high, B layers of side can extensively answer good moldability in acquisition intensity raising in painting dressing automobiles toast processing procedure simultaneously
Manufacturing field for body of a motor car, panel.
The present invention is further explained in the light of specific embodiments, and but the scope of the present invention is not limited thereto.
Embodiment 1
A kind of vehicle body two-layer compound aluminium alloy plate, includes the following steps：
1）Aluminium alloy plate A and aluminium alloy plate B are subjected to hot rolling and form two-layer composite；In the aluminium alloy plate A it is each chemistry at
Point weight percent is：Si 0.5%, Cu 1.8%, Zn 0.25%, Mg 2.5%, Fe 0.9%, Ce 0.1%, surplus are
Al；Each chemical component weight percentage is in the aluminium alloy plate B：Si 2.5%, Cu 1.5%, Zn 0.33%, Mg
0.4%, Sc 0.15%, Fe 0.9%, Ce 0.2%, surplus Al；The thickness of the aluminium alloy plate A and aluminium alloy plate B is than 0.8 ︰
1；
2）It will be through step 1）The two-layer composite plank obtained after processing carries out solution treatment, and solid solution temperature is 475 DEG C,
Soaking time is 12 hours；
3）It will be through step 2）The plank obtained after processing carries out artificial aging processing, and artificial aging treatment temperature is 100 DEG C, the time
For 8h.
The preparation method of the aluminium alloy plate A is as follows：
A, commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
B, selected raw material is melted, ingot casting is cast as after the refined processing of melt, casting temperature is 670 DEG C；
C, ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 440 DEG C, the Homogenization Treatments time
For 6h；
D, will be through step c treated slab hot-rollings at plate, start rolling temperature is 475 DEG C, and finishing temperature is 300 DEG C；
E, hot rolled plate step d obtained carry out cold rolling, intermediate annealing and again cold rolling to obtain the finished product of final thickness.
The preparation method of the aluminium alloy plate B is as follows：
（1）Commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
（2）Selected raw material is melted, ingot casting is cast as after the refined processing of melt, casting temperature is 715 DEG C；
（3）Ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 460 DEG C, the Homogenization Treatments time
For 2~8h；
（4）It will be through step（3）At plate, start rolling temperature is 450 DEG C for treated slab hot-rolling, and finishing temperature is 300 DEG C；
（5）To step（4）Obtained hot rolled plate carry out cold rolling, intermediate annealing and again cold rolling with obtain final thickness at
Product.
The thickness of aluminium alloys for auto body plate obtained is 4mm in the present embodiment.
Embodiment 2
A kind of vehicle body two-layer compound aluminium alloy plate, includes the following steps：
1）Aluminium alloy plate A and aluminium alloy plate B are subjected to hot rolling and form two-layer composite；In the aluminium alloy plate A it is each chemistry at
Point weight percent is：Si 1.0%, Cu 0.95%, Zn 0.45%, Mg 4.5%, Fe 0.95%, Ce 0.15%, surplus
For Al；Each chemical component weight percentage is in the aluminium alloy plate B：Si 3.0%, Cu 0.95%, Zn 0.23%, Mg
0.7%, Sc 0.25%, Fe 0.89%, Ce 0.2%, surplus Al；The thickness of the aluminium alloy plate A and aluminium alloy plate B is than 1 ︰
1；
2）It will be through step 1）The two-layer composite plank obtained after processing carries out solution treatment, and solid solution temperature is 500 DEG C,
Soaking time is 12 hours；
3）It will be through step 2）The plank obtained after processing carries out artificial aging processing, and artificial aging treatment temperature is 95 DEG C, the time
For 8h.
The preparation method of the aluminium alloy plate A is as follows：
A, commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
B, selected raw material is melted, ingot casting is cast as after the refined processing of melt, casting temperature is 685 DEG C；
C, ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 430 DEG C, the Homogenization Treatments time
For 2~10h；
D, will be through step c treated slab hot-rollings at plate, start rolling temperature is 460 DEG C, and finishing temperature is 290 DEG C；
E, hot rolled plate step d obtained carry out cold rolling, intermediate annealing and again cold rolling to obtain the finished product of final thickness.
The preparation method of the aluminium alloy plate B is as follows：
（1）Commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
（2）Selected raw material is melted, ingot casting is cast as after the refined processing of melt, casting temperature is 695 DEG C；
（3）Ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 450 DEG C, the Homogenization Treatments time
For 6h；
（4）It will be through step（3）At plate, start rolling temperature is 470 DEG C for treated slab hot-rolling, and finishing temperature is 295 DEG C；
（5）To step（4）Obtained hot rolled plate carry out cold rolling, intermediate annealing and again cold rolling with obtain final thickness at
Product.
The thickness of the aluminium alloys for auto body plate prepared in the present embodiment is 0.15mm.
Embodiment 3
A kind of vehicle body two-layer compound aluminium alloy plate, includes the following steps：
1）Aluminium alloy plate A and aluminium alloy plate B are subjected to hot rolling and form two-layer composite；In the aluminium alloy plate A it is each chemistry at
Point weight percent is：Si 1.5%, Cu 0.55%, Zn 0.53%, Mg 2.5%, Fe 1%, Ce 0.2%, surplus Al；
Each chemical component weight percentage is in the aluminium alloy plate B：Si 2.5%, Cu 1.5%, Zn 0.2%, Mg 1%, Sc
0.15%, Fe 0.9%, Ce 0.2%, surplus Al；The thickness of the aluminium alloy plate A and aluminium alloy plate B is than 1.2 ︰ 1；
2）It will be through step 1）The two-layer composite plank obtained after processing carries out solution treatment, and solid solution temperature is 475 DEG C,
Soaking time is 12 hours；
3）It will be through step 2）The plank obtained after processing carries out artificial aging processing, and artificial aging treatment temperature is 100 DEG C, the time
For 8h.
The preparation method of the aluminium alloy plate A is as follows：
A, commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
B, selected raw material is melted, ingot casting is cast as after the refined processing of melt, casting temperature is 685 DEG C；
C, ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 440 DEG C, the Homogenization Treatments time
For 10h；
D, will be through step c treated slab hot-rollings at plate, start rolling temperature is 440 DEG C, and finishing temperature is 280 DEG C；
E, hot rolled plate step d obtained carry out cold rolling, intermediate annealing and again cold rolling to obtain the finished product of final thickness.
The preparation method of the aluminium alloy plate B is as follows：
（1）Commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
（2）Selected raw material is melted, ingot casting is cast as after the refined processing of melt, casting temperature is 685 DEG C；
（3）Ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 460 DEG C, the Homogenization Treatments time
For 2h；
（4）It will be through step（3）At plate, start rolling temperature is 480 DEG C for treated slab hot-rolling, and finishing temperature is 300 DEG C；
（5）To step（4）Obtained hot rolled plate carry out cold rolling, intermediate annealing and again cold rolling with obtain final thickness at
Product.
The thickness of the aluminium alloys for auto body plate prepared in the present embodiment is 0.25mm.
Performance test
The performance test results such as following table of Aluminum alloy for automotive body plate prepared by embodiment 1-3：
Note：(1 grade of painting brush line intensity evaluation：Surface is without white stripes；2 grades：There are discontinuous white stripes on surface；3 grades：Surface has
Continuous white stripes).Crimping grade evaluates (1 grade：Surface is smooth, non-microcracked and continuous constriction；2 grades：Surface it is slight it is coarse,
Non-microcracked and continuous constriction；3 grades：There are micro-crack or continuous constriction in surface；4 grades：There is apparent crackle on surface).
Claims (6)
1. a kind of vehicle body two-layer compound aluminium alloy plate, which is characterized in that the two-layer compound aluminium alloy plate by aluminium alloy plate A and
Aluminium alloy plate B compositions；Each chemical component weight percentage is in the aluminium alloy plate A：Si 0.5 ~ 1.5%, Cu 0.55 ~
1.8%, Zn 0.25 ~ 0.53%, Mg 2.5 ~ 5.0%, Fe≤1%, Ce 0.1~0.2%, surplus Al；The aluminium alloy plate
Each chemical component weight percentage is in B：Si 2.5 ~ 3.5%, Cu 0.65 ~ 1.5%, Zn 0.2 ~ 0.33%, Mg 0.4 ~
1%, Sc 0.15 ~ 0.35%, Fe≤1%, Ce 0.2~0.25%, surplus Al；The aluminium alloy plate A and aluminium alloy plate B's
Thickness is than 0.8 ︰, 1~1.2 ︰ 1.
2. a kind of vehicle body two-layer compound aluminium alloy plate as described in claim 1, it is characterised in that：
1）The two-layer compound aluminium alloy plate carries out hot rolling by aluminium alloy plate A and aluminium alloy plate B and is formed；
2）It will be through step 1）The two-layer composite plank that is obtained after processing carries out solution treatment, and solid solution temperature is 475~
510 DEG C, soaking time is 12-15 hours；
3）It will be through step 2）The plank obtained after processing carries out artificial aging processing, and artificial aging treatment temperature is 95 ~ 100 DEG C,
Time is 6 ~ 8h.
3. a kind of vehicle body two-layer compound aluminium alloy plate as claimed in claim 2, it is characterised in that：The aluminium alloy plate A's
Preparation method is as follows：
A, commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
B, selected raw material is melted, ingot casting is cast as after the refined processing of melt；
C, ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 420~440 DEG C, Homogenization Treatments
Time is 2~10h；
D, will be through step c treated slab hot-rollings at plate, start rolling temperature is 440-475 DEG C, and finishing temperature is 280-300 DEG C；
E, hot rolled plate step d obtained carry out cold rolling, intermediate annealing and again cold rolling to obtain the finished product of final thickness.
4. a kind of vehicle body two-layer compound aluminium alloy plate as claimed in claim 2, it is characterised in that：Casting in the step b
It is 670-685 DEG C to make temperature.
5. a kind of vehicle body two-layer compound aluminium alloy plate as claimed in claim 2, it is characterised in that：The aluminium alloy plate B's
Preparation method is as follows：
（1）Commercial-purity aluminium, various intermediate alloys are weighed according to the ratio；
（2）Selected raw material is melted, ingot casting is cast as after the refined processing of melt；
（3）Ingot casting is subjected to Homogenization Treatments behind cropping, milling face, Homogenization Treatments temperature is 420~460 DEG C, at homogenization
The reason time is 2~8h；
（4）It will be through step（3）Treated slab hot-rolling is at plate, and start rolling temperature is 450-480 DEG C, finishing temperature 280-300
℃；
（5）To step（4）Obtained hot rolled plate carry out cold rolling, intermediate annealing and again cold rolling with obtain final thickness at
Product.
6. a kind of vehicle body two-layer compound aluminium alloy plate as claimed in claim 2, it is characterised in that：The step（2）In
Casting temperature is 685-715 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553482.1A CN108715959B (en) | 2016-08-02 | 2017-07-25 | Double-layer composite aluminum alloy plate for vehicle body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610623205 | 2016-08-02 | ||
| CN201810553482.1A CN108715959B (en) | 2016-08-02 | 2017-07-25 | Double-layer composite aluminum alloy plate for vehicle body |
| CN201710609368.1A CN107338377B (en) | 2016-08-02 | 2017-07-25 | The processing method of aluminium alloys for auto body plate |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710609368.1A Division CN107338377B (en) | 2016-08-02 | 2017-07-25 | The processing method of aluminium alloys for auto body plate |
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| Publication Number | Publication Date |
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| CN108715959B CN108715959B (en) | 2020-06-19 |
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| CN201710609368.1A Active CN107338377B (en) | 2016-08-02 | 2017-07-25 | The processing method of aluminium alloys for auto body plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112143939A (en) * | 2019-06-26 | 2020-12-29 | 尼玛克股份有限公司 | Aluminum casting alloy, aluminum casting component, and method for producing aluminum casting |
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| CN108048704B (en) * | 2017-12-29 | 2020-04-24 | 南昌大学 | Preparation method of lanthanum and ytterbium-containing corrosion-resistant aluminum alloy material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963377A (en) * | 2009-04-30 | 2014-08-06 | 美铝公司 | Multi-alloy Composite Sheet For Automotive Panels |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011063868A (en) * | 2009-09-18 | 2011-03-31 | Mazda Motor Corp | Methods for manufacturing aluminum molded component and metal structure including the aluminum molded component |
| CN102632076B (en) * | 2012-05-14 | 2016-01-06 | 重庆材料研究院 | A kind of preparation method of high anti-corrosion, easy processing magnadure composite board band |
| CN102732760B (en) * | 2012-07-19 | 2013-11-06 | 湖南大学 | Aluminum alloy plate for automobile bodies |
| CN103173661B (en) * | 2013-02-27 | 2015-05-20 | 北京科技大学 | Car body aluminum alloy plate and manufacturing method thereof |
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2017
- 2017-07-25 CN CN201810553482.1A patent/CN108715959B/en not_active Expired - Fee Related
- 2017-07-25 CN CN201710609368.1A patent/CN107338377B/en active Active
Patent Citations (1)
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| CN103963377A (en) * | 2009-04-30 | 2014-08-06 | 美铝公司 | Multi-alloy Composite Sheet For Automotive Panels |
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| 吴琼兴: "《汽车覆盖件用铝板成形特性及应用》", 《模具工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112143939A (en) * | 2019-06-26 | 2020-12-29 | 尼玛克股份有限公司 | Aluminum casting alloy, aluminum casting component, and method for producing aluminum casting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108715959B (en) | 2020-06-19 |
| CN107338377A (en) | 2017-11-10 |
| CN107338377B (en) | 2018-07-13 |
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