CN110453114A - A kind of new energy car battery pallet edge-beam section steel - Google Patents
A kind of new energy car battery pallet edge-beam section steel Download PDFInfo
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- CN110453114A CN110453114A CN201910757489.XA CN201910757489A CN110453114A CN 110453114 A CN110453114 A CN 110453114A CN 201910757489 A CN201910757489 A CN 201910757489A CN 110453114 A CN110453114 A CN 110453114A
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- 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
- B21C31/00—Control devices, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
-
- 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
- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- 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
Abstract
The invention discloses a kind of new energy car battery pallet edge-beam section steels, the mass percentage of each alloying element in raw material are as follows: Si 1.15-1.30%, Mg 0.81-0.90%, Cu 0.12-0.20%, Fe 0.22-0.30%, Mn 0.71-0.85%, Cr 0.06-0.10%, Zn 0.01-0.04%, Ti 0.04-0.09%, (Ca+Na)≤0.002%, Al 96.25-96.85%.Extrusion process of the invention is realized using speed change control by the way of Isothermal Extrusion, it can reduce and avoid the metal elastic generated by mold when bearing high temperature and pressure thermal friction to become, it is effectively improved the long material product larger status of dimensional discrepancy end to end after extruding, it can also ensure the almost the same property of surface temperature when profile discharging, simultaneously to meet on-line solution (water quenching) requirement；The two-stage time effect heat treatment process of use, make profile after two-stage time effect is handled, the mutually full and uniform precipitation of ageing strengthening, final products reach the comprehensive mechanical property requirement of tensile strength Rm >=360Mpa, yield strength Rp0.2 >=330Mpa, elongation percentage A50 >=10.6%, hardness HW >=16.4.
Description
Technical field
The present invention relates to a kind of aluminium alloy extrusions, and in particular to a kind of new energy car battery pallet edge-beam section steel, it can
The wide popularization and application in the battery tray assembly welding production industry of the new-energy automobile of many styles.
Background technique
Currently, automobile storage battery pallet be substantially steel plate punched molding, battery largely using by pallet, pressing plate,
" cluster " that two pull rods and nut are formed is fixed.These components are substantially metal parts, and weight is relatively heavy, Er Qiechong
It is molded that the multi-steps such as drawing, punching, deburring setting is needed to complete, in addition, multiple components can also reduce assembly efficiency.Therefore,
High-intensitive and light-weighted components and efficient molding, assembly and maintenance become the expectation that this field is urgently realized.
Current lightweight, low cost are the important directions of Development of Electric Vehicles, new energy car battery pallet material
It is required that being: precision height, good electric property, electrolyte resistance, fire-retardant, long term dimensional is stable, lightweight, good mechanical property, use
Range is wide.New-energy automobile mostly used Steel material to make electric automobile power battery pallet in the past, and weight is higher.
In order to solve the problems, such as that automobile storage battery pallet assembly efficiency is low, component weight is big, Chinese patent
201220587041.1 disclosing a kind of automobile storage battery pallet, battery support is prepared using plastic material injection molding process
Disk, but there is also the integrated performance indexs such as tensile strength, yield strength, elongation percentage, hardness are lower for the automobile storage battery pallet
The technical issues of.
Application advantage of the aluminium alloy in automotive light weight technology is that density small (2.73g/cm3), corrosion resistance is good, plasticity is excellent
It is good, there are other from production cost, part quality, material use, manufacturing technology, mechanical performance, sustainable development etc. are many-sided
The unrivaled superiority of lightweighting materials, therefore aluminium alloy will become the preferred lightweighting materials in auto industry.
Therefore, many enterprises all select based on aluminum alloy materials now, as New-energy electric vehicle power battery support
Disk, no matter compression or in terms of, aluminum alloy material is with the obvious advantage；And aluminium alloy is produced by high specific strength, efficiently
Preferred steel alternative materials can be become.
The new energy car battery pallet developed in advance, which is by 7, is that Al-Zn-Mg alloy material is welded to form, but
When high-temperature soldering, the mechanical performance of product part generates failure, keeps welding position mechanical performance relatively low, causes the quality such as cracking and lacks
It falls into；Other 7 be that Al-Zn-Mg alloy is more sensitive to stress corrosion, and tissue cracking risk is also easy to produce within the service life period.
Summary of the invention
Product when being high-temperature soldering existing for Al-Zn-Mg alloy material the purpose of the present invention is to previously used 7
The mechanical performance of part generates failure, and welding position mechanical performance is relatively low, causes and easily produces in the mass defects such as cracking and use
The technical problem of raw tissue cracking risk, and provide a kind of with high-strength and high ductility, high anti-corrosion endurance and excellent welding performance
New energy car battery pallet edge-beam section steel, dedicated for new energy car battery pallet, to improve its high combination property,
The processing of automobile batteries pallet can be met to the performance requirement of material, to replace 7 based materials of current application.
To reach above-mentioned purpose of the invention, a kind of new energy car battery pallet edge-beam section steel of the present invention, specific aim
Ground carries out complex optimum, adjustment to alloying element composition proportion, first uses the optimization of alloying component, improves silicon Si, magnesium Mg, iron
The percentage of the alloy element components such as Fe, copper Cu, manganese Mn, chromium Cr, zinc Zn, titanium Ti, further optimization processing technique.In raw material
The mass percentage of each alloying element are as follows: Si 1.15-1.30%, Mg 0.81-0.90%, Cu 0.12-0.20%, Fe
0.22-0.30%, Mn 0.71-0.85%, Cr 0.06-0.10%, Zn 0.01-0.04%, Ti 0.04-0.09%, (Ca+
Na)≤0.002%, Al 96.25-96.85%.
Its processing technology are as follows:
(1) manufacturing process of aluminium bar: raw material by melting slagging-off degasification purification and deep-well casting etc. modes complete casting rod at
Type, using spray water cooling, 7~8h of heating and thermal insulation carries out homogenization within the scope of 555~568 DEG C, keeps alloying component uniform
Change；
(2) it profile hot extrusion molding technique: realizes that Isothermal Extrusion mode squeezes casting rod using speed change control, makes to squeeze
After mold forming out, surface temperature reaches between 540~560 DEG C the profile of extrusion；Forcing the type of cooling is with >=600 DEG C/min
Speed enters 48~52 DEG C of water temperature and circulates in sink, carries out on-line solution Water Quenching, makes the Mg2Si in alloy material
Hardening constituent dissolves in matrix with maximum quantity, can improve Mg, Si element to the maximum extent in the intracorporal degree of supersaturation of base, to subsequent
Precipitated phase size, quantity, form and distribution play good improvement result during aging strengthening model, strong to meet alloy material
Change effect.
After on-line solution Water Quenching, according to 3~5% stretching variable, processing is straightened by tension, is subtracted to discharge
The residual stress retained in few material matrix, and ensure that profile is full-scale up to standard with morpheme size.
(3) profile after processing two-stage time effect heat treatment process: is straightened using two-stage time effect heat treatment process to tension；The
One section of low temperature Pre-aging treatment with 120~140 DEG C of 1~3h of heating and after keeping the temperature 4-5h, then adjusts and improves temperature to 165~175
DEG C 0.5~1h of heating simultaneously keeps the temperature 7~8h and carries out second segment peak value ageing treatment, to make profile after two-stage time effect is handled,
The mutually full and uniform precipitation of ageing strengthening, finally make product reach tensile strength Rm >=360Mpa, yield strength Rp0.2 >=
The comprehensive mechanical property requirement of 330Mpa, elongation percentage A50 >=10.6%, hardness HW >=16.4.
The preferably mass percentage of each alloying element in its raw material are as follows: Si 1.17-1.25%, Mg 0.83-
0.88%, Cu 0.13-0.18%, Fe 0.24-0.30%, Mn 0.73-0.85%, Cr 0.07-0.10%, Zn 0.02-
0.04%, Ti 0.05-0.09%, (Ca+Na)≤0.001%, Al 96.45-96.75%.
Its preferably processing technology are as follows:
(1) manufacturing process of aluminium bar: raw material by melting slagging-off degasification purification and deep-well casting etc. modes complete casting rod at
Type, using spray water cooling, 7.2~8h of heating and thermal insulation carries out homogenization within the scope of 558~563 DEG C, keeps alloying component equal
It homogenizes；
(2) it profile hot extrusion molding technique: realizes that Isothermal Extrusion mode squeezes casting rod using speed change control, makes to squeeze
After mold forming out, surface temperature reaches between 545~555 DEG C the profile of extrusion；Forcing the type of cooling is with >=600 DEG C/min
Speed enters 48~52 DEG C of water temperature and circulates in sink, carries out on-line solution Water Quenching, makes the Mg2Si in alloy material
Hardening constituent dissolves in matrix with maximum quantity；
After on-line solution Water Quenching, according to 3.5~5% stretching variable, processing is straightened by tension, to discharge
The residual stress retained in material matrix is reduced, and ensure that profile is full-scale up to standard with morpheme size；
(3) profile after processing two-stage time effect heat treatment process: is straightened using two-stage time effect heat treatment process to tension；The
One section of low temperature Pre-aging treatment, with 125~140 DEG C of 1.5~3h of heating and after keeping the temperature 4-5h, then adjust improve temperature to 165~
175 DEG C of 0.6~1h of heating simultaneously keep the temperature 7~8h progress second segment peak value ageing treatment, so that profile be made to handle by two-stage time effect
Afterwards, the mutually full and uniform precipitation of ageing strengthening, finally make product reach tensile strength Rm >=360Mpa, yield strength Rp0.2 >=
The comprehensive mechanical property requirement of 330Mpa, elongation percentage A50 >=10.6%, hardness HW >=16.4.
Its more preferably processing technology are as follows: the heating and thermal insulation temperature of step (1) is 560 DEG C；The pressure type of cooling of step (2)
It is to enter about 50 DEG C of water temperature with >=600 DEG C/min speed to circulate in sink.
A kind of new energy car battery pallet edge-beam section steel of the present invention and its production method after the above technical solution is adopted,
It has the positive effect that:
(1) result of study shows to increase silicon Si, magnesium Mg, iron Fe, copper by optimizing and revising coherent element content in alloy
The percentage of the alloy element components such as Cu, manganese Mn, chromium Cr, zinc Zn, titanium Ti is conducive to improve the high-intensitive aluminium of automobile batteries pallet
The comprehensive performances such as tensile strength, yield strength, elongation percentage, the hardness of alloy material.
(2) in the manufacturing process of aluminium bar, by melting remove the gred degasification purification and deep-well casting etc. modes complete casting rod at
Type homogenizes alloying component using the homogenization of 560 DEG C of heating and thermal insulation 7-8h using spray water cooling.
(3) extrusion process is in such a way that speed change control realizes Isothermal Extrusion, it is possible to reduce and avoid holding because of mold
The metal elastic that generates when by high temperature and pressure thermal friction becomes, and is effectively improved after extruding the long material product larger status of dimensional discrepancy end to end,
It can also ensure the almost the same property of surface temperature when profile discharging, simultaneously to meet on-line solution (water quenching) requirement.
(4) Mg in profile hot extrusion molding technique2Si hardening constituent dissolves in matrix with maximum quantity, can improve to the maximum extent
Mg, Si element in the intracorporal degree of supersaturation of base, to precipitated phase size during subsequent aging strengthening model, quantity, form and point
Cloth plays good improvement result, to meet alloy material strengthening effect.
(5) two-stage time effect heat treatment process is used, makes profile after two-stage time effect is handled, ageing strengthening is mutually full and uniform
It is precipitated, to promote the mechanical property requirements of alloy.
Specific embodiment
To further describe the present invention, a kind of new energy car battery pallet of the present invention is used combined with specific embodiments below
Edge-beam section steel and its production method are described in further details.
It is as follows that current conventional 6 line aluminium alloys contain following technical controlling requirement:
Chemical component: Si/0.90-1.1%, Mg/0.70-0.80%, Cu/0.05-0.10%, Fe/0.10-0.20%,
Mn/0.50-0.70%, Cr/0.05%, Zn/0.05%, Ti/0.03%, surplus Al；
Processing technology: conventional hot extrusion mode+water quenching solution treatment；Aging technique is all made of convention peak single-stage aging
180-200 DEG C of heat preservation 6-10h；
Mechanical property meets: tensile strength Rm >=310Mpa, yield strength Rp0.2 >=260Mpa, elongation percentage A50 >=8%；
Hardness number meets in 15-16 ° of HW.
According to the aluminium alloy extrusions that the chemical component and heat treatment process of current 6 line aluminium alloy produce, performance detection refers to
Mark is as shown in table 1.
The existing 6 line aluminium alloy profile performance detection data of table 1
Above-mentioned 6 be aluminum profile alloying component and production aging technique can only meet national standard, Europe superscript control on the basis of,
Up to the present, there are no special designs for the dedicated high-strength aluminum alloy material of automobile tray exploitation.
Therefore, the present invention need to develop it is a kind of dedicated for new energy car battery pallet have high combination property
High-strength aluminum alloy material and its production method.
A kind of new energy car battery pallet edge-beam section steel of the present invention, the quality percentage of each alloying element contains in raw material
Amount are as follows: Si 1.15-1.30%, Mg 0.81-0.90%, Cu0.12-0.20%, Fe 0.22-0.30%, Mn 0.71-
0.85%, Cr 0.06-0.10%, Zn0.01-0.04%, Ti 0.04-0.09%, Ca+Na≤0.002%, Al 96.25-
96.85%.
Its production method uses following process:
(1) manufacturing process of aluminium bar: raw material by melting slagging-off degasification purification and deep-well casting etc. modes complete casting rod at
Type, using spray water cooling, 7~8h of heating and thermal insulation carries out homogenization within the scope of 555~568 DEG C, keeps alloying component uniform
Change；
(2) it profile hot extrusion molding technique: realizes that Isothermal Extrusion mode squeezes casting rod using speed change control, makes to squeeze
After mold forming out, surface temperature reaches between 540~560 DEG C the profile of extrusion；Forcing the type of cooling is with >=600 DEG C/min
Speed enters 48~52 DEG C of water temperature and circulates in sink, carries out on-line solution Water Quenching, makes the Mg2Si in alloy material
Hardening constituent dissolves in matrix with maximum quantity；
After on-line solution Water Quenching, according to 3~5% stretching variable, processing is straightened by tension, is subtracted to discharge
The residual stress retained in few material matrix, and ensure that profile is full-scale up to standard with morpheme size；
(3) profile after processing two-stage time effect heat treatment process: is straightened using two-stage time effect heat treatment process to tension；The
One section of low temperature Pre-aging treatment with 120~140 DEG C of 1~3h of heating and after keeping the temperature 4-5h, then adjusts and improves temperature to 165~175
DEG C 0.5~1h of heating simultaneously keeps the temperature 7~8h and carries out second segment peak value ageing treatment, to make profile after two-stage time effect is handled,
The mutually full and uniform precipitation of ageing strengthening, finally make product reach tensile strength Rm >=360Mpa, yield strength Rp0.2 >=
The comprehensive mechanical property requirement of 330Mpa, elongation percentage A50 >=10.6%, hardness HW >=16.4.
The present invention is using the production of the above alloy and technique production dedicated for the high-strength of new energy car battery pallet
The raw alloy component for spending aluminium alloy extrusions is as shown in table 2, and mechanics properties testing data are as shown in table 3.
2 raw alloy constituent mass percentage composition of the embodiment of the present invention (%) of table
The mechanics properties testing data of 3 embodiment of the present invention of table production product.
By optimizing and revising silicon Si in alloying element, magnesium Mg, iron Fe, copper Cu, manganese Mn, chromium it can be seen from table 2, table 3
The alloying element contents such as Cr, zinc Zn, titanium Ti, and using optimization production technology, the high-strength aluminum alloy section produced it is comprehensive
It closes mechanical property to significantly improve than the performance in table 1, product is finally made to reach the minimum 368Mpa of tensile strength Rm, yield strength
The comprehensive mechanical property requirement of Rp0.2 minimum 334Mpa, elongation percentage A50 minimum 10.9%, hardness HW minimum 16.5.It completely can be with
As new energy car battery pallet aluminium alloy extrusions, unexpected technical effect and application effect are achieved.
Domestic related electric car factory has been sold to using the high-strength aluminum alloy section that the method for the present invention is produced
Family, is received by the market.
Claims (4)
1. a kind of new energy car battery pallet edge-beam section steel, it is characterised in that the quality percentage of each alloying element contains in raw material
Amount are as follows: Si 1.15-1.30%, Mg 0.81-0.90%, Cu 0.12-0.20%, Fe 0.22-0.30%, Mn 0.71-
0.85%, Cr 0.06-0.10%, Zn 0.01-0.04%, Ti 0.04-0.09%, (Ca+Na)≤0.002%, Al
96.25-96.85%；
Its processing technology are as follows:
(1) manufacturing process of aluminium bar: raw material completes casting rod molding by the modes such as melting slagging-off degasification purification and deep-well casting, then
By spraying water cooling, 7~8h of heating and thermal insulation carries out homogenization within the scope of 555~568 DEG C, homogenizes alloying component；
(2) it profile hot extrusion molding technique: realizes that Isothermal Extrusion mode squeezes casting rod using speed change control, makes to squeeze out
Profile after mold forming out, surface temperature reaches between 540~560 DEG C；Forcing the type of cooling is with 295~305 DEG C/min
Speed enters 48~52 DEG C of water temperature and circulates in sink, carries out on-line solution Water Quenching, makes the Mg2Si in alloy material
Hardening constituent dissolves in matrix with maximum quantity；
After on-line solution Water Quenching, according to 3~5% stretching variable, processing is straightened by tension, to discharge reduction material
The residual stress retained in material matrix, and ensure that profile is full-scale up to standard with morpheme size；
(3) profile after processing two-stage time effect heat treatment process: is straightened using two-stage time effect heat treatment process to tension；First segment
Low temperature Pre-aging treatment, with 120~140 DEG C of 1~3h of heating and after keeping the temperature 4-5h, then adjust improve temperature to 165~175 DEG C plus
0.5~1h of temperature simultaneously keeps the temperature 7~8h progress second segment peak value ageing treatment, thus make profile after two-stage time effect is handled, timeliness
The full and uniform precipitation of hardening constituent finally makes product reach tensile strength Rm >=360Mpa, yield strength Rp0.2 >=330Mpa, prolong
Stretch the comprehensive mechanical property requirement of rate A50 >=10.6%, hardness HW >=16.4.
2. a kind of new energy car battery pallet edge-beam section steel as described in claim 1, it is characterised in that: respectively closed in raw material
The mass percentage of gold element are as follows: Si 1.17-1.25%, Mg 0.83-0.88%, Cu 0.13-0.18%, Fe 0.24-
0.30%, Mn 0.73-0.85%, Cr 0.07-0.10%, Zn 0.02-0.04%, Ti 0.05-0.09%, (Ca+Na)≤
0.001%, Al 96.45-96.75%.
3. a kind of new energy car battery pallet edge-beam section steel as claimed in claim 1 or 2, it is characterised in that processing technology
Are as follows:
(1) manufacturing process of aluminium bar: raw material completes casting rod molding by the modes such as melting slagging-off degasification purification and deep-well casting, then
By spraying water cooling, 7.2~8h of heating and thermal insulation carries out homogenization within the scope of 558~563 DEG C, homogenizes alloying component；
(2) it profile hot extrusion molding technique: realizes that Isothermal Extrusion mode squeezes casting rod using speed change control, makes to squeeze out
Profile after mold forming out, surface temperature reaches between 545~555 DEG C；Forcing the type of cooling is with 295~305 DEG C/min
Speed enters 48~52 DEG C of water temperature and circulates in sink, carries out on-line solution Water Quenching, makes the Mg2Si in alloy material
Hardening constituent dissolves in matrix with maximum quantity；
After on-line solution Water Quenching, according to 3.5~5% stretching variable, processing is straightened by tension, is reduced to discharge
The residual stress retained in material matrix, and ensure that profile is full-scale up to standard with morpheme size；
(3) profile after processing two-stage time effect heat treatment process: is straightened using two-stage time effect heat treatment process to tension；First segment
Low temperature Pre-aging treatment with 125~140 DEG C of 1.5~3h of heating and after keeping the temperature 4-5h, then adjusts and improves temperature to 165~175 DEG C
It heats 0.6~1h and keeps the temperature 7~8h and carry out second segment peak value ageing treatment, thus make profile after two-stage time effect is handled, when
Imitate the full and uniform precipitation of hardening constituent, finally make product reach tensile strength Rm >=360Mpa, yield strength Rp0.2 >=330Mpa,
The comprehensive mechanical property requirement of elongation percentage A50 >=10.6%, hardness HW >=16.4.
4. a kind of new energy car battery pallet edge-beam section steel as claimed in claim 3, it is characterised in that: step (1)
Heating and thermal insulation temperature is 560 DEG C；The pressure type of cooling of step (2) is to enter about 50 DEG C of water temperature with 300 DEG C/min speed to follow
In circulation dynamic water tank.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439879A (en) * | 2020-11-12 | 2021-03-05 | 成都阳光铝制品有限公司 | Production process of aluminum profile for automobile battery end plate |
| CN114273862A (en) * | 2021-12-28 | 2022-04-05 | 东北大学 | Integrally-formed aluminum alloy battery tray and manufacturing method thereof |
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| WO2016046844A2 (en) * | 2014-09-25 | 2016-03-31 | Siddhi Engineers | Process for manufacturing of aluminium alloy cheese tube, cheese pipe or bobbin for woven sack |
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| CN1273614A (en) * | 1997-10-03 | 2000-11-15 | 雷诺兹金属公司 | Corrosion resistant and drawable aluminum alloy, article thereof and process of making article |
| CN1531602A (en) * | 2001-07-23 | 2004-09-22 | �Ʒ� | Weldable high strength AI-Mg-Si alloy |
| CN1555423A (en) * | 2001-07-25 | 2004-12-15 | �Ѻ͵繤��ʽ���� | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| WO2016046844A2 (en) * | 2014-09-25 | 2016-03-31 | Siddhi Engineers | Process for manufacturing of aluminium alloy cheese tube, cheese pipe or bobbin for woven sack |
| CN109207811A (en) * | 2018-11-21 | 2019-01-15 | 重庆铝王铝业有限公司 | A kind of preparation method and applications of aluminium alloy extrusions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439879A (en) * | 2020-11-12 | 2021-03-05 | 成都阳光铝制品有限公司 | Production process of aluminum profile for automobile battery end plate |
| CN114273862A (en) * | 2021-12-28 | 2022-04-05 | 东北大学 | Integrally-formed aluminum alloy battery tray and manufacturing method thereof |
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Application publication date: 20191115 |
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