CN108118201A - A kind of coachbuilt body column plaque 3005 aluminum alloy base materials and its production method - Google Patents
A kind of coachbuilt body column plaque 3005 aluminum alloy base materials and its production method Download PDFInfo
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- CN108118201A CN108118201A CN201711404381.XA CN201711404381A CN108118201A CN 108118201 A CN108118201 A CN 108118201A CN 201711404381 A CN201711404381 A CN 201711404381A CN 108118201 A CN108118201 A CN 108118201A
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- 239000000463 material Substances 0.000 title claims abstract description 60
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 42
- 238000000137 annealing Methods 0.000 claims abstract description 26
- 238000005097 cold rolling Methods 0.000 claims abstract description 20
- 238000005266 casting Methods 0.000 claims abstract description 17
- 238000000265 homogenisation Methods 0.000 claims abstract description 12
- 238000005098 hot rolling Methods 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 12
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 238000011282 treatment Methods 0.000 claims abstract description 11
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000005482 strain hardening Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000001953 recrystallisation Methods 0.000 claims description 5
- 239000000956 alloy Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910018131 Al-Mn Inorganic materials 0.000 description 1
- 229910018461 Al—Mn Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Continuous Casting (AREA)
- Forging (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a kind of coachbuilt body column plaques with 3005 aluminum alloy base materials, and the mass percent of the chemical composition of the aluminum alloy base material is:Si is 0.05% 0.20%, and Fe is 0.40% 0.60%, and Cu is 0.05% 0.10%, and Mn is 1.00% 1.30%, and Mg is 0.20% 0.50%, Cr 0.05%, Zn 0.05%, Na 0.004%, and other impurities are 0.05% 0.15%, remaining surplus is Al.The invention also discloses a kind of production method of 3005 aluminum alloy base materials of coachbuilt body column plaque, including following technological process：（1）Dispensing；（2）Founding；（3）The bipolar Homogenization Treatments of ingot casting；（4）Hot rolling；（5）Cold rolling；（6）Interior thickness air-cushion type continuous annealing；（7）Cold rolling；（8）Finished products；（9）Stretch-bend leveller；（10）Cut packaging.The present invention solves that automobile B, C column i.e. coachbuilt body column plaque are big with 3005 aluminum alloy base material performance inconsistencies, and clod wash shapes the problem of middle part is easy to crack.
Description
Technical field
The present invention relates to aluminum alloy base material technical fields, and in particular to a kind of 3005 aluminium alloys of coachbuilt body column plaque
Base material and its production method.
Background technology
Aluminium alloy is by its higher strength/weight ratio, easy processing shaping and excellent chemistry, physical characteristic, in market
On be with a wide range of applications.With further serious, the automotive light weight technology implementation power of development and the atmosphere pollution of automobile market
Degree continues to increase, and the light material development using alumal as representative is become better.3005 aluminum alloy materials are through cold roll forming, spraying
Afterwards, gloss contrast is strong, integrally compatible preferable with vehicle body, is rich in aesthetic feeling, is now widely used for B, C column of medium and high classes car
Outer plaque, outside B, C column, that is, coachbuilt body column, B columns are located between the front stall and back seat of cockpit, and C columns are the two of rear seat headrest
Side.
3005 aluminium alloys are gradually curved shaping in subsequent Cold Roll Forming Process, by multiple tracks pass, final to be processed
Into the product of different section, this requires base material interior tissue uniform, and overall performance fluctuation is small and with good brake forming
Performance.
Original technology is that ingot casting heating-hot rolling is rolled to 4.0mm-6.0mm, and cold rolling is rolled to 1.0-1.2mm thickness finished products
Annealing, material yield strength 130-150Mpa, tensile strength 170-190Mpa, elongation percentage only 9-11%, subsequently after cold roll forming
Local Cracking is serious.Therefore 3005 aluminium alloy of the prior art has that performance inconsistency is big, is molded Local Cracking.
The content of the invention
In view of this, it is an object of the invention to provide a kind of coachbuilt body column plaque with 3005 aluminum alloy base materials and its
Production method.
In order to achieve the above objectives, the present invention provides following technical solution：
A kind of 3005 aluminum alloy base materials of coachbuilt body column plaque, the mass percent of the chemical composition of the aluminum alloy base material
For:Si is 0.05%-0.20%, and Fe 0.40%-0.60%, Cu 0.05%-0.10%, Mn 1.00%-1.30%, Mg are
0.20%-0.50%, Cr 0.05%, Zn 0.05%, Na 0.004%, other impurities 0.05%-0.15%, remaining surplus are
Al。
A kind of production method of 3005 aluminum alloy base materials of coachbuilt body column plaque, including following technological process：（1）Match somebody with somebody
Material；（2）Founding；（3）The bipolar Homogenization Treatments of ingot casting；（4）Hot rolling；（5）Cold rolling；（6）Interior thickness air-cushion type continuous annealing；
（7）Cold rolling；（8）Finished products；（9）Stretch-bend leveller；（10）Cut packaging；Wherein, it is described（1）In burden process, by matter
Measuring percentage is:Si is 0.05%-0.20%, Fe 0.40%-0.60%, Cu 0.05%-0.10%, Mn 1.00%-1.30%,
Mg is 0.20%-0.50%, Cr 0.05%, Zn 0.05%, Na 0.004%, other impurities 0.05%-0.15%, remaining surplus
Dispensing is carried out for Al.
Further, exist（3）In the bipolar Homogenization Treatments process of ingot casting, ingot casting is annealed in pushing type heating furnace, annealing
System is 590~610 ± 5 DEG C/10h+490~520 ± 5 DEG C/5h, is uniformly distributed acquisition compound, the tiny group of crystal grain
It knits.
Further, exist（4）In hot-rolled process, the hot rolling includes roughing open rolling and finish rolling finish to gauge, roughing start rolling temperature
For 470~520 DEG C, finish rolling finishing temperature is 280~300 DEG C, and finish to gauge thickness is 4.0~6.0mm.
Further, in cold rolling process, passage cold working total deformation ＞ 60% before intermediate annealing is controlled, controls finished product
Passage cold deformation 10~20%.
Further, base material carries out interior thickness air-cushion type continuous annealing, furnace gas temperature after certain cold deformation
400~430 DEG C, machine row 26~35m/min of the speed of service of setting makes base material obtain perfect recrystallization tissue.
Further, exist（8）In finished products process, furnace gas temperature sets 400 DEG C, and 290~320 DEG C of metal temperature is protected
Warm 5h.
Further, exist（9）In stretch-bend leveller process, withdrawal straightening machine row work extension setting 0.3~0.5% eliminates material
Expect residualinternal stress.
The beneficial effects of the present invention are：The present invention solves 3005 aluminium of automobile B, C column i.e. coachbuilt body column plaque
Alloy base material performance inconsistency is big, and clod wash shapes the problem of middle part is easy to crack.
Specific embodiment
With reference to specific embodiment, the invention will be further described, so that those skilled in the art can be better
Understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
3005 aluminum alloy base materials of coachbuilt body column plaque of the present invention, the quality hundred of the chemical composition of the aluminum alloy base material
Point ratio is:Si is 0.05%-0.20%, and Fe 0.40%-0.60%, Cu 0.05%-0.10%, Mn 1.00%-1.30%, Mg are
0.20%-0.50%, Cr 0.05%, Zn 0.05%, Na 0.004%, other impurities 0.05%-0.15%, remaining surplus are
Al。
Embodiment one：3005 aluminum alloy base materials of the present embodiment coachbuilt body column plaque, the chemistry of the aluminum alloy base material
The mass percent of ingredient is:Si is 0.05%, Fe 0.60%, and Cu 0.05%, Mn 1.00%, Mg 0.50%, Cr are
0.05%, Zn 0.05%, Na 0.004%, other impurities 0.15%, remaining surplus are Al.
Embodiment two：3005 aluminum alloy base materials of the present embodiment coachbuilt body column plaque, the chemistry of the aluminum alloy base material
The mass percent of ingredient is:Si is 0.20%, Fe 0.40%, and Cu 0.10%, Mn 1.30%, Mg 0.20%, Cr are
0.05%, Zn 0.05%, Na 0.004%, other impurities 0.05%, remaining surplus are Al.
Embodiment three：3005 aluminum alloy base materials of the present embodiment coachbuilt body column plaque, the chemistry of the aluminum alloy base material
The mass percent of ingredient is:Si is 0.10%, Fe 0.50%, and Cu 0.08%, Mn 1.15%, Mg 0.35%, Cr are
0.05%, Zn 0.05%, Na 0.004%, other impurities 0.10%, remaining surplus are Al.
Example IV：3005 aluminum alloy base materials of the present embodiment coachbuilt body column plaque, the chemistry of the aluminum alloy base material
The mass percent of ingredient is:Si is 0.20%, Fe 0.40%%, and Cu 0.08%, Mn 1.20%, Mg 0.50%, Cr are
0.05%, Zn 0.05%, Na 0.004%, other impurities 0.15%, remaining surplus are Al.
3005 aluminium alloys, which belong to Al-Mn systems, has following phenomenon：Originally alloy strength changes less with the increase of Mn contents, but
Continuing to increase can drastically reduce, and be the quantity that coarse constituent phases Al6 (Fe, Mn) in alloy is added due to the raising of Mn contents,
Intensity and plastic zone to alloy adversely affect.Appropriate advantageously reduces material property with Fe/Si ratios.Present invention optimization
3005 alloy compositions by controlling Impurity Fe/Si ratios, control main element Mn content, obtain suitable tissue
With performance；Using rational ingot homogenization system, ensure the uniformity of ingot structure.
A kind of production method of 3005 aluminum alloy base materials of coachbuilt body column plaque, including following technological process：（1）Match somebody with somebody
Material；（2）Founding；（3）The bipolar Homogenization Treatments of ingot casting；（4）Hot rolling；（5）Cold rolling；（6）Interior thickness air-cushion type continuous annealing；
（7）Cold rolling；（8）Finished products；（9）Stretch-bend leveller；（10）Cut packaging；Wherein, it is described（1）In burden process, by matter
Measuring percentage is:Si is 0.05%-0.20%, Fe 0.40%-0.60%, Cu 0.05%-0.10%, Mn 1.00%-1.30%,
Mg is 0.20%-0.50%, Cr 0.05%, Zn 0.05%, Na 0.004%, other impurities 0.05%-0.15%, remaining surplus
Dispensing is carried out for Al.
（3）In the bipolar Homogenization Treatments process of ingot casting, ingot casting is annealed in pushing type heating furnace, annealing schedule 590
~610 ± 5 DEG C/10h+490~520 ± 5 DEG C/5h, it is uniformly distributed acquisition compound, the tiny tissue of crystal grain.
（4）In hot-rolled process, the hot rolling includes roughing open rolling and finish rolling finish to gauge, and roughing start rolling temperature is 470~520
DEG C, finish rolling finishing temperature is 280~300 DEG C, and finish to gauge thickness is 4.0~6.0mm.
In cold rolling process, passage cold working total deformation ＞ 60% before intermediate annealing, control final pass cold working are controlled
Deflection 10~20%.
Base material is after certain cold deformation, progress interior thickness air-cushion type continuous annealing, and furnace gas temperature setting 400~
430 DEG C, machine row 26~35m/min of the speed of service, base material is made to obtain perfect recrystallization tissue.
（8）In finished products process, furnace gas temperature sets 400 DEG C, and 290~320 DEG C of metal temperature keeps the temperature 5h.
（9）In stretch-bend leveller process, withdrawal straightening machine row work extension setting 0.3~0.5% is eliminated in material residues
Stress.
Embodiment five：A kind of production method of 3005 aluminum alloy base materials of coachbuilt body column plaque of the present embodiment, including
Following technological process：（1）Dispensing；（2）Founding；（3）The bipolar Homogenization Treatments of ingot casting；（4）Hot rolling；（5）Cold rolling；（6）Thick middle
Spend air-cushion type continuous annealing；（7）Cold rolling；（8）Finished products；（9）Stretch-bend leveller；（10）Cut packaging；Wherein, it is described
（1）In burden process, specific proportion scale can refer to above-described embodiment one to example IV.
（3）In the bipolar Homogenization Treatments process of ingot casting, ingot casting is annealed in pushing type heating furnace, annealing schedule 590
± 5 DEG C/10h+520 ± 5 DEG C/5h, i.e., annealing temperature be 590 ± 5 DEG C, heat preservation 10 it is small when+annealing temperature be 520 ± 5 DEG C, guarantor
When temperature 5 is small, it is uniformly distributed acquisition compound, the tiny tissue of crystal grain.
（4）In hot-rolled process, the hot rolling includes roughing open rolling and finish rolling finish to gauge, roughing start rolling temperature for 470 DEG C or
520 DEG C of person, finish rolling finishing temperature be 280 DEG C either 300 DEG C of finish to gauge thickness be 4.0 mm or 6.0mm.
In cold rolling process, passage cold working total deformation ＞ 60% before intermediate annealing, control final pass cold working are controlled
Deflection 10% or 20%.
Base material carries out interior thickness air-cushion type continuous annealing after certain cold deformation, and furnace gas temperature sets 400 DEG C
Either 430 DEG C of 26 m/min or 35m/min of the machine row speed of service make base material obtain perfect recrystallization tissue.Air-cushion type is continuous
Annealing refers to that band i.e. base material is suspended in by hot wind injection in stove, and a kind of high-speed and continuous without contacting structure in the stove component is moved back
Fire.
（8）In finished products process, furnace gas temperature sets 400 DEG C, and 290 DEG C or 320 DEG C of metal temperature keeps the temperature 5h.
（9）In stretch-bend leveller process, withdrawal straightening machine row work extension setting 0.3% or 0.5% eliminates material residues
Internal stress.
Embodiment six：A kind of production method of 3005 aluminum alloy base materials of coachbuilt body column plaque, including following technique
Flow：（1）Dispensing；（2）Founding；（3）The bipolar Homogenization Treatments of ingot casting；（4）Hot rolling；（5）Cold rolling；（6）Interior thickness air-cushion type
Continuous annealing；（7）Cold rolling；（8）Finished products；（9）Stretch-bend leveller；（10）Cut packaging；Wherein, wherein, it is described（1）Match somebody with somebody
In material process, specific proportion scale can refer to above-described embodiment one to example IV.
（3）In the bipolar Homogenization Treatments process of ingot casting, ingot casting is annealed in pushing type heating furnace, annealing schedule 610
± 5 DEG C/10h+490 ± 5 DEG C/5h be either 590 ± 5 DEG C/10h+, 490 ± 5 DEG C/5h or be 600 ± 5 DEG C/10h+
500 ± 5 DEG C/5h is uniformly distributed acquisition compound, the tiny tissue of crystal grain.
（4）In hot-rolled process, the hot rolling includes roughing open rolling and finish rolling finish to gauge, roughing start rolling temperature for 485 DEG C or
500 DEG C of person, finish rolling finishing temperature be 290 DEG C either 295 DEG C of finish to gauge thickness be 4.7 mm or 5.0mm.
In cold rolling process, passage cold working total deformation ＞ 60% before control intermediate annealing, such as 61%, 65%；It controls into
Product passage cold deformation 11% either 15% or 17%.
Base material carries out interior thickness air-cushion type continuous annealing after certain cold deformation, and furnace gas temperature sets 401 DEG C
Either 422 DEG C or 416 DEG C either 427 DEG C of machine row speed of service 29m/min or 31m/min or 32m/min or 33m/
Min makes base material obtain perfect recrystallization tissue.
（8）In finished products process, furnace gas temperature sets 400 DEG C, either 300 DEG C or 315 of 295 DEG C of metal temperature
DEG C, keep the temperature 5h.
（9）In stretch-bend leveller process, it is residual to eliminate material for withdrawal straightening machine row work extension setting 0.4% or 0.45%
Remaining internal stress.
The present invention obtains uniformly tiny recrystallized structure using unique air-cushion type continuous annealing process；Control cold rolling
Processing capacity, reasonable control performance；Improve finished product heat treating regime, stability；Unique stretch-bend leveller technique is taken, is protected
Strip flatness is demonstrate,proved, eliminates internal stress.
Aluminium alloy strips through above-mentioned technique productions, yield strength and tensile strength are moderate, good percentage elongation, and 0T bendings are not opened
It splits, and entire volume stability is preferable.Band does not crack locally through lower process cold roll forming, high yield rate, meets user's use
It is required that.
On the basis of 3005 aluminium alloys, adjustment chemical composition proportioning controls cold rolling reduction, reformulates conjunction the present invention
Suitable heat treatment process, improve material inside organization, so as to improve and stabilized base material performance, solve shaping problem of Cracking.This hair
The tensile strength of 3005 aluminium alloys of open-birth production is 145-170Mpa, and yield strength is 110-125 Mpa, and elongation percentage >=14% is full
The indehiscent processing request of process cold roll forming after foot.
The beneficial effects of the present invention are：The present invention solves 3005 aluminium of automobile B, C column i.e. coachbuilt body column plaque
Alloy base material performance inconsistency is big, and clod wash shapes the problem of middle part is easy to crack.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (8)
1. a kind of 3005 aluminum alloy base materials of coachbuilt body column plaque, it is characterised in that:The chemical composition of the aluminum alloy base material
Mass percent be:Si is 0.05%-0.20%, Fe 0.40%-0.60%, Cu 0.05%-0.10%, Mn 1.00%-
1.30%, Mg 0.20%-0.50%, Cr 0.05%, Zn 0.05%, Na 0.004%, other impurities 0.05%-0.15%,
Surplus is Al.
2. a kind of production method of 3005 aluminum alloy base materials of coachbuilt body column plaque, it is characterised in that：Including following technique
Flow：（1）Dispensing；（2）Founding；（3）The bipolar Homogenization Treatments of ingot casting；（4）Hot rolling；（5）Cold rolling；（6）Interior thickness air-cushion type
Continuous annealing；（7）Cold rolling；（8）Finished products；（9）Stretch-bend leveller；（10）Cut packaging；Wherein, it is described（1）Dispensing work
In sequence, by mass percentage for:Si is 0.05%-0.20%, and Fe 0.40%-0.60%, Cu 0.05%-0.10%, Mn are
1.00%-1.30%, Mg 0.20%-0.50%, Cr 0.05%, Zn 0.05%, Na 0.004%, other impurities 0.05%-
0.15%, remaining surplus carries out dispensing for Al.
3. the production method of 3005 aluminum alloy base materials of coachbuilt body column plaque according to claim 2, feature exist
In：（3）In the bipolar Homogenization Treatments process of ingot casting, ingot casting is annealed in pushing type heating furnace, and annealing schedule is 590~610
± 5 DEG C/10h+490~520 ± 5 DEG C/5h, it is uniformly distributed acquisition compound, the tiny tissue of crystal grain.
4. the production method of 3005 aluminum alloy base materials of coachbuilt body column plaque according to claim 3, feature exist
In：（4）In hot-rolled process, the hot rolling includes roughing open rolling and finish rolling finish to gauge, and roughing start rolling temperature is 470~520 DEG C, essence
Finishing temperature is rolled for 280~300 DEG C, and finish to gauge thickness is 4.0~6.0mm.
5. the production method of 3005 aluminum alloy base materials of coachbuilt body column plaque according to claim 4, feature exist
In：In cold rolling process, passage cold working total deformation ＞ 60% before intermediate annealing is controlled, controls final pass cold deformation
Amount 10~20%.
6. the production method of 3005 aluminum alloy base materials of coachbuilt body column plaque according to claim 5, feature exist
In：After certain cold deformation, interior thickness air-cushion type continuous annealing is carried out, furnace gas temperature sets 400~430 DEG C, machine
Row 26~35m/min of the speed of service makes base material obtain perfect recrystallization tissue.
7. the production method of 3005 aluminum alloy base materials of coachbuilt body column plaque according to claim 6, feature exist
In：（8）In finished products process, furnace gas temperature sets 400 DEG C, and 290~320 DEG C of metal temperature keeps the temperature 5h.
8. the production method of 3005 aluminum alloy base materials of coachbuilt body column plaque according to claim 7, feature exist
In：（9）In stretch-bend leveller process, withdrawal straightening machine row work extension setting 0.3~0.5% eliminates material residues internal stress.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109207818A (en) * | 2018-10-26 | 2019-01-15 | 中铝西南铝冷连轧板带有限公司 | A kind of car window frame bloom bright wisp 5505 aluminium alloy strips and preparation method thereof |
| CN111020250A (en) * | 2019-12-19 | 2020-04-17 | 广西南南铝加工有限公司 | Production method of 3005 aluminum alloy wafer for electric cooker liner |
| CN111394626A (en) * | 2020-04-20 | 2020-07-10 | 江苏鼎胜新能源材料股份有限公司 | 3005Mod aluminum alloy long-life flat pipe material and manufacturing method thereof |
| EP3741875A1 (en) | 2019-05-24 | 2020-11-25 | Constellium Rolled Products Singen GmbH & Co.KG | Aluminium alloy sheet product with improved surface aspect |
| CN114438372A (en) * | 2021-12-24 | 2022-05-06 | 广西百矿冶金技术研究有限公司 | Aluminum alloy strip for rapid cast-rolling battery case and preparation method thereof |
| CN115029569A (en) * | 2022-06-09 | 2022-09-09 | 中铝河南洛阳铝加工有限公司 | Explosion-proof sheet of cylindrical lithium battery cap and preparation method thereof |
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