CN109022944A - A kind of shell case aluminium alloy plate and its production method - Google Patents
A kind of shell case aluminium alloy plate and its production method Download PDFInfo
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- CN109022944A CN109022944A CN201810848620.9A CN201810848620A CN109022944A CN 109022944 A CN109022944 A CN 109022944A CN 201810848620 A CN201810848620 A CN 201810848620A CN 109022944 A CN109022944 A CN 109022944A
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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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/001—Retaining slag during pouring molten metal
- B22D43/004—Retaining slag during pouring molten metal by using filtering means
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- 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
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- 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
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- 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
-
- 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
-
- 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
- C22F1/05—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 of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
- F42B12/76—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
Abstract
The invention discloses a kind of shell case aluminium alloy plate and its production methods.The chemical element that the aluminium alloy plate contains is Si, Fe, Cu, Mn, Mg, Cr, Zn, Ti, surplus Al, and the aluminium alloy plate containing above-mentioned element mills face, hot rolling by melting, casting, evenly heating processing, and the techniques such as annealing are prepared.Low-intensity, the speciality of high-ductility effectively eliminate the component segregation of aluminium alloy cast ingot, reduce the internal stress of ingot casting, chemical component is uniform using its high-precision end equipment and reasonable processing technology before the present invention mainly utilizes aluminum alloy solution to be heat-treated；Al cartridge case produced aluminium alloy plate has good plasticity, intensity and hardness high, eliminates and reduce the adverse effect of hydrogen in metal material, slag；Comply fully with the high performance requirements of shell case.
Description
Technical field
The invention belongs to technical field of aluminum alloy technology, and in particular to a kind of shell case aluminium alloy plate and its production method.
Technical background
Aluminium alloy have it is light-weight, than strong high, easy processing molding, corrosion resistance and good, electrical and thermal conductivity performance it is good and can
To recycle and reuse, the advantages that being surface-treated, be widely used in space flight and aviation, communications and transportation, building, machine-building, electricity
The industries such as sub- electric power, household electrical appliances.The advantages of due to aluminium alloy, aluminium alloy is increasingly used in military industry field, no matter military, alert
With or the lightweight of manoeuvre weapon all have very important effect in practical applications.
Shell case due in the lightweight of weapon, accounting for ammunition weight half can play very big effect.Therefore, preparation is light
The aluminium alloy shell case of quantization is always the research hotspot in shell case manufacture.The common aluminium alloy for preparing the use of aluminium alloy shell case has
The aluminium alloys such as 3000 systems, 6000 systems, 7000 systems, 3000 are that main representative alloy has the kinds such as 3003,3004, though these alloys prolong
Stretch that rate is good, punching performance is excellent, it is low not can be carried out tensile strength caused by solution heat treatment, hardness, is not achieved needed for shell case
Technical requirements.Although 7000 systems are able to carry out heat treatment, intensity is high after heat treatment, but there are plasticity it is poor, hardness is high the defects of, no
It can be used in cartridge casing material well.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of shell case aluminium alloy plate and its production methods.This method warp
Crossing the processes such as melting, casting, evenly heating processing, milling face, heating, hot roughing, hot finishing, to be prepared for low resistance rate, plasticity good, flat
Whole, internal no hole, the shell case aluminium alloy plate without slag inclusion, the shell case aluminium alloy plate plasticity with higher of this method preparation
Elongation percentage.The aluminium alloy plate preparation police shell case or manoeuvre with shell case have preferable performance, it is ensured that the safety of shell case makes
With.
The present invention is achieved by the following technical solutions
A kind of shell case aluminium alloy plate, the shell case aluminium alloy plate by following mass percentage chemical element group
At: Si is 0.6~0.8%, Fe≤0.2%, Cu≤0.05%, Mn≤0.05%, and Mg is 0.6~0.7%, Cr≤0.05%,
Zn≤0.10%, Ti are 0.03~0.04%, surplus Al.
A kind of production method of above-mentioned shell case aluminium alloy plate, this method include melting, casting, and evenly heating processing mills face,
Hot rolling, annealing；It is specific as follows:
(1) melting, casting are as follows:
A: aluminium ingot (>=99.7% purity), the mass content of Si is added in smelting furnace according to the element ratio of above-mentioned requirements
For 75% additive, purity be 99.99% pure magnesium ingot and aluminium titanium carbon silk (Al-5Ti-1C:5%Ti, 1%C, Yu Wei
Al)；After being all added, melting 4.5~5.5 hours, is then refined, again after the completion of refining under the conditions of 720~760 DEG C
Continue melting 0.5~1 hour, i.e. melting in completion smelting furnace；It is adjusted after testing in the fusion process, so that aluminium
It is 0.6~0.8%, Fe≤0.2%, Cu≤0.05%, Mn that the mass percentage of each chemical element, which meets Si, in alloy solution
≤ 0.05%, Mg are 0.6~0.7%, Cr≤0.05%, and Zn≤0.10%, Ti are 0.03~0.04%, surplus Al；
B: the molten aluminum after the completion of melting being delivered in standing furnace and is refined under the conditions of 720~750 DEG C, and refining is completed
Removing dross is removed afterwards, stands 20~40min, i.e. melting in completion standing furnace；
C: cast after the completion of melting in standing furnace: molten aluminum is imported in first level filtering device by standing furnace, by-pass filtration
Online depassing unit is imported through first level filtering device after completion and carries out online degasification, and the molten aluminum after line degasification successively imports second level
Filter device and three-level filter device filter filter residue diameter≤0.005mm of degasification；Casting, casting are completed after the completion of filtering
Aluminium alloy cast ingot is obtained after the completion；
Wherein, refining described in step (1) a be use argon-chlorine mixture gas carry out refinery process, refining time for 25~
35min；Refining in standing furnace described in step (1) b be use argon-chlorine mixture gas carry out refinery process, refining time for 30~
50min。
Casting described in step (1) c, wherein the temperature in casting process be 695~710 DEG C, casting total time be 1.5~
2.0 hour；The filter plate precision of first level filtering device is 50PPi in the casting process, and high-purity argon is used after by-pass filtration
Gas carries out online degasification, revolving speed >=450r/min of online degasification graphite rotator, hydrogen in molten aluminum after online degasification to molten aluminum
Content is≤0.12ml/100g Al；It is successively imported in two-stage filter and three-level filter device in the molten aluminum after line degasification,
The filter plate precision of the two-stage filter is 60PPi, and the three-level filter device is 26 pipe pipe type filtering devices；
(2) evenly heating is handled: carrying out evenly heating processing to the aluminium alloy cast ingot that step (1) obtains；Evenly heating processing is completed
Aluminium alloy cast ingot cooled to room temperature afterwards；
Wherein, evenly heating described in step (2) is handled are as follows: the fixed temperature of soaking pit furnace gas is 490 ± 5 DEG C, and fire box temperature reaches
Start to keep the temperature at 490 ± 5 DEG C, keeps the temperature 2~3 hours；Heat preservation after the completion of stop heating, open fire door, in 1~2 hour by furnace
Temperature degree is down to 450~460 DEG C；It is then shut off fire door to begin to warm up, changes and determine 450~460 DEG C of furnace gas temperature, protect at such a temperature
Temperature 5 hours, after the completion of heat preservation, cooled to room temperature of coming out of the stove；
Wherein, the soaking in-furnace temperature is 35~45 DEG C/h by the heating rate of room temperature to 490 ± 5 DEG C.
(3) mill face: the aluminium alloy cast ingot obtained to step (2) described cooled to room temperature carries out milling face: big face is unilateral
Milling face amount >=15mm, facet unilateral side mill face amount >=12mm, ingot casting both sides thickness difference≤2mm；
(4) hot rolling: the aluminium alloy cast ingot behind milling face is heated, and hot rolling is carried out after heating, is made in course of hot rolling
It is lubricated and is cooled down to obtain aluminum alloy plate materials with emulsion；
Wherein, when being heated in heating furnace described in step (4), the fixed temperature of heating furnace furnace gas is 420~470 DEG C, and aluminium closes
Golden ingot casting temperature start when reaching 415~425 DEG C heat preservation (should during, the heating rate of aluminium alloy cast ingot is 30~35 DEG C/small
When), keep the temperature 4~8 hours；After the completion of heat preservation, starting to come out of the stove is rolled.
The hot rolling specifically: hot rolling cogging temperature is 415~425 DEG C, carries out hot roughing using 1+1 continuous hot-rolling mill,
Roughing 11~13 passage reversibles rolling, each passes with a thickness of 30~50mm, roughing finished product thickness 23~
Between 25mm, the finishing temperature after hot roughing is 350~380 DEG C；Immediately by the roughing finished product of 23~25mm after the completion of hot roughing
It is transferred to hot finishing, hot finishing becomes the aluminum alloy coiled materials with a thickness of 6~8mm through the reversible rolling of 3 passages；Wherein, heat essence
The drafts of first passage is 7~9mm during rolling, and the drafts of second passage is 6mm, the drafts of third passage
For 2~4mm.
Wherein, the pressure of step (4) the hot roughing lotion is 0.35~0.45MPa, the temperature of lotion is 60~67 DEG C,
The mass concentration of lotion used is 4.0~5.0%；When hot finishing the pressure of lotion used be 0.35~0.45MPa, temperature 60
~70 DEG C, use the mass concentration of lotion for 5.0~6.0%.
(5) anneal: the aluminum alloy plate materials after step (4) described hot rolling made annealing treatment, the fixed temperature of furnace gas for 400~
500 DEG C of (furnace gas temperature is 10~14 hours by room temperature to 400~500 DEG C of required times), aluminum alloy plate materials temperature reach
320 ± 5 DEG C (aluminum alloy plate materials are 12~13 hours as room temperature to time used in 320 ± 5 DEG C；) when start to protect
Temperature completes annealing in heat preservation 8~12 hours, and after the completion of annealing, coming out of the stove carries out Slow cooling, is cooled to room temperature and obtains shell case use
Aluminium alloy plate；
Above-mentioned shell case aluminium alloy plate is preparing the application in shell case.
Compared with prior art, the present invention has following positive beneficial effect
Each element ingredient is more accurately controlled in aluminium alloy plate of the present invention, effectively prevent chemistry at
Partial wave moves bring Effect on Mechanical Properties, and in addition lower impurity element, the elements such as Fe, Cu, Cr, Zn have carried out stringent control
System, is especially a cancellation the influence of Fe bring finished product plasticity, and not only there is good plasticity and material purity to have and more preferably mention
It rises, hence it is evident that improve the properties of aluminium alloy plate；
Low-intensity, the speciality of high-ductility before the present invention mainly utilizes aluminum alloy solution to be heat-treated, utilize its high-precision end equipment
And reasonable processing technology, al cartridge case produced aluminium alloy plate have good plasticity, intensity and hardness high, eliminate and reduce
The adverse effect of hydrogen, slag in metal material；150mm cylindrical housings tool of the obtained aluminum alloy plate materials through being stamped to form three times
Have surface it is smooth, without orange peel, cracking and other issues.Final shell is quenched, timeliness processing can fully meet al cartridge case aluminium
The quality requirement of alloy；
Efficient, convenient and fast degasification deslagging method is used in fusion-casting process of the present invention, is carried out simultaneously in casting process
Degasification and three-stage filtration effectively reduce the content of hydrogen in molten aluminum, completely remove oxidizing slag and control impurity content grain in aluminium
Diameter effectively prevents hole, the internal flaw that the generation of pin hole is brought to shell case with aluminium alloy plate within 0.005mm.Therefore,
The shell case aluminium alloy plate of production without hole, without slag inclusion, reach A-AA grades with a thickness of flaw detection inside the aluminium alloy plate of 6~8mm, it is complete
The defects of inner void, slag inclusion are not present entirely, structure property is good, wear-resisting, it is ensured that the safety that shell case uses accelerates shell case use
The fast development of aluminium alloy industry；
The present invention, in aluminium alloy preparation process, is handled in shell case using individual evenly heating, so that metal temperature controls
More accurate, soaking time can be effectively ensured, it is most important that cooling procedure be increased after plate ingot evenly heating, from high temperature to cold
But back plate ingot internal segregation, internal stress elimination are more thorough, effectively carry out chemical component stable in high-temperature homogenization
It is fixed and retain, to achieve the effect that eliminate internal segregation, homogeneity of ingredients；I.e. by preferably controlling uniform heating process,
It effectively eliminates the component segregation of aluminium alloy cast ingot, reduce the internal stress of ingot casting, chemical component is uniform；Hot rolling uses 11~13
Passage heavy reduction rolling makes that internal grain is broken complete, eliminates the internal flaws such as coarse grains, tissue looseness；
Shell case 6A01 aluminium alloy O state must have tensile strength appropriate, preferable plasticity；The present invention is for metal
Slowly heated up, slow cooling, i.e., by heat up at a slow speed and cool down at a slow speed in the way of, ensure shell case aluminium alloy plate mechanical property
Degree can be minimized, elongation percentage and plasticity reach highest.Make preparation shell case with aluminium alloy plate the group drag in punching press shell case
It is low, plasticity is good, product surface after processing is beautiful, exists without cracking, without the defects of deformation；
The shell case that chemical element component and preparation method through the invention obtains is the finished product of O state with aluminium alloy plate,
Tensile strength reaches 110~140MPa, elongation percentage >=30%, and hardness HV38~45 have preferable performance.Therefore, by the aluminium
Alloy sheets are used to prepare civilian shell case, police shell case or manoeuvre shell case, and obtaining product is had preferably in use process
There is not the phenomenon that deforming, being completely cured in performance, thus it is ensured that the safe handling of light aluminum alloy shell case.
Specific embodiment
The present invention is described in more details below by specific embodiment, but is not intended to restrict the invention
Protection scope.
The aluminium alloy shell case aluminum alloy plate materials produced using technique of the present invention, are become after punching press three times
The cylindrical shell of 150mm height, shell are quenched, reach certain mechanical property after timeliness, can finally fully meet shell case use
The quality requirement of aluminium alloy.
Embodiment 1
A kind of shell case aluminium alloy plate, the aluminium alloy plate are prepared by the chemical element of following mass percentage: Si
For 0.6%, Fe≤0.2%, Cu≤0.05%, Mn≤0.05%, Mg 0.6%, Cr≤0.05%, Zn≤0.10%, Ti are
0.03%, surplus Al.
Embodiment 2
A kind of shell case aluminium alloy plate, the aluminium alloy plate are prepared by the chemical element of following mass percentage: Si
For 0.7%, Fe≤0.2%, Cu≤0.05%, Mn≤0.05%, Mg 0.65%, Cr≤0.05%, Zn≤0.10%, Ti are
0.04%, surplus Al.
Embodiment 3
A kind of shell case aluminium alloy plate, the aluminium alloy plate are prepared by the chemical element of following mass percentage: Si
For 0.8%, Fe≤0.2%, Cu≤0.05%, Mn≤0.05%, Mg 0.7%, Cr≤0.05%, Zn≤0.10%, Ti are
0.04%, surplus Al.
Embodiment 4
One of the production method of the shell case aluminium alloy plate of above-described embodiment 1~3, this method include melting, cast,
Thermalization processing mills face, hot rolling, annealing；It is specific as follows:
(1) melting, casting are as follows:
A: aluminium ingot (>=99.7% purity), the mass content of Si is added in smelting furnace according to the element ratio of above-mentioned requirements
For 75% additive, purity be 99.99% pure magnesium ingot and aluminium titanium carbon silk (Al-5Ti-1C:5%Ti, 1%C, surplus are
Al)；After being all added, melting 5.5 hours, is then refined again under the conditions of 730 ± 5 DEG C, continues to melt after the completion of refining
Refining 1 hour, i.e. melting in completion smelting furnace；It is adjusted after testing in the fusion process, so that in aluminium alloy solution
It is 0.6~0.8%, Fe≤0.2%, Cu≤0.05%, Mn≤0.05%, Mg that the mass percentage of each chemical element, which meets Si,
It is 0.03~0.04% for 0.6~0.7%, Cr≤0.05%, Zn≤0.10%, Ti, surplus Al；
The refining is that argon-chlorine mixture gas is used to carry out refinery process, refining time 25min；
B: the molten aluminum after the completion of melting is delivered in standing furnace and is refined under the conditions of 720 ± 5 DEG C, after the completion of refining
Except removing dross, 40min, i.e. melting in completion standing furnace are stood；
Refining in the standing furnace is that argon-chlorine mixture gas is used to carry out refinery process, refining time 50min；
C: cast after the completion of melting in standing furnace: molten aluminum is imported in first level filtering device by standing furnace, by-pass filtration
Online depassing unit is imported through first level filtering device after completion and carries out online degasification, and the molten aluminum after line degasification successively imports second level
Filter device and three-level filter device filter filter residue diameter≤0.005mm of degasification；Casting, casting are completed after the completion of filtering
Aluminium alloy cast ingot is obtained after the completion；
Casting described in the step, wherein the temperature in casting process is 695~710 DEG C, casting total time is 1.5 small
When；The filter plate precision of first level filtering device is 50PPi in the casting process, uses high-purity argon gas to aluminium after by-pass filtration
Liquid carries out online degasification, and revolving speed >=450r/min of online degasification graphite rotator, the content of hydrogen is in molten aluminum after online degasification
≤0.12ml/100gAl；It is successively imported in two-stage filter and three-level filter device after line degasification, the secondary filtration dress
The filter plate precision set is 60PPi, and the three-level filter device is 26 pipe pipe type filtering devices；
(2) evenly heating is handled: carrying out evenly heating processing to the aluminium alloy cast ingot that step (1) obtains；
Wherein, evenly heating processing are as follows: the fixed temperature of soaking pit furnace gas is 490 DEG C, and fire box temperature starts when reaching 490 DEG C
Heat preservation keeps the temperature 2 hours；Stop heating after the completion of heat preservation, opens fire door, furnace gas temperature is down to by 2 hours time by 490 DEG C
450~460 DEG C；It is then shut off fire door to begin to warm up, changes and determine 450~460 DEG C of furnace gas temperature, and keep the temperature 5 hours at such a temperature,
After the completion of heat preservation, cooled to room temperature of coming out of the stove；
Wherein, the soaking in-furnace temperature by room temperature to 490 DEG C when heating rate be 45 DEG C/h；
(3) mill face: the aluminium alloy cast ingot obtained to step (2) described cooled to room temperature carries out milling face: big face is unilateral
Milling face amount >=15mm, facet unilateral side mill face amount >=12mm, ingot casting both sides thickness difference≤2mm；
(4) hot rolling: the aluminium alloy cast ingot behind step (3) described milling face being heated, hot roughing is carried out after heating,
Then hot finishing is carried out, is lubricated and cools down using emulsion to obtain aluminum alloy plate materials during hot roughing and hot finishing；
Wherein, heating process carries out in heating furnace, and the fixed temperature of heating furnace furnace gas is 430 ± 5 DEG C, and aluminium alloy cast ingot temperature reaches
Start when to 415~425 DEG C heat preservation (should during, heating rate of the aluminium alloy cast ingot by room temperature to 415~425 DEG C is
30 DEG C/h), keep the temperature 8 hours；After the completion of heat preservation, starting to come out of the stove is rolled；
The hot rolling specifically: hot rolling cogging temperature is 415~425 DEG C, carries out hot roughing using 1+1 continuous hot-rolling mill,
11 passage reversible rollings of roughing, 30~50mm of draught per pass, the finished product thickness being rolled into is 25mm, after hot roughing
Finishing temperature is 350 DEG C；Hot roughing finished product is transferred to hot finishing, reversible of the hot finishing through 3 passages immediately after the completion of roughing
The aluminum alloy coiled materials that rolling becomes with a thickness of 6mm；Wherein, during hot finishing first passage drafts 9mm, second road
Secondary drafts is 6mm, and the drafts of third passage is 4mm；
Wherein, the pressure of lotion is 0.35~0.45MPa when hot roughing, the temperature of lotion is 60~67 DEG C, lotion used
Mass concentration be 4.0~5.0%；The pressure of lotion used is 0.35~0.45MPa when hot finishing, temperature is 60~70 DEG C,
Use the mass concentration of lotion for 5.0~6.0%.
(5) it anneals: the aluminum alloy plate materials after step (4) hot rolling is made annealing treatment, the fixed temperature of annealing furnace furnace gas is 500 DEG C
(furnace gas temperature is 14 hours as room temperature to time used in 500 DEG C), aluminum alloy plate materials temperature reach 320 ± 5 DEG C it is (described
Metal temperature by room temperature to 320 ± 5 DEG C need to time be 12 hours) when heat preservation completion in 12 hours anneal, annealed
Cheng Hou, coming out of the stove carries out Slow cooling, is cooled to room temperature and obtains shell case aluminium alloy plate.
Obtained aluminum alloy plate materials performance is detected, as a result as shown in the table；The aluminum alloy plate materials can be good at
Preparation for shell case.
Embodiment 5
The two of the production method of the shell case aluminium alloy plate of above-described embodiment 1~3, this method include melting, cast,
Thermalization processing mills face, hot rolling, annealing；It is specific as follows:
(1) melting, casting are as follows:
A: aluminium ingot (>=99.7% purity), the mass content of Si is added in smelting furnace according to the element ratio of above-mentioned requirements
For 75% additive, purity be 99.99% pure magnesium ingot and aluminium titanium carbon silk (Al-5Ti-1C:5%Ti, 1%C, surplus are
Al)；After being all added, melting 4.5 hours, is then refined again under the conditions of 750 ± 5 DEG C DEG C, is continued after the completion of refining
Melting 0.5 hour, i.e. melting in completion smelting furnace；It is adjusted after testing in the fusion process, so that aluminium alloy is molten
In liquid the mass percentage of each chemical element meet Si be 0.6~0.8%, Fe≤0.2%, Cu≤0.05%, Mn≤
0.05%, Mg are 0.6~0.7%, Cr≤0.05%, and Zn≤0.10%, Ti are 0.03~0.04%, surplus Al；
The refining is that argon-chlorine mixture gas is used to carry out refinery process, refining time 35min；
B: the molten aluminum after the completion of melting being delivered in standing furnace and is refined under the conditions of 750 DEG C, is removed after the completion of refining
Removing dross stands 20min, i.e. melting in completion standing furnace；
Refining in the standing furnace is that argon-chlorine mixture gas is used to carry out refinery process, refining time 30min；
C: cast after the completion of melting in standing furnace: molten aluminum is imported in first level filtering device by standing furnace, by-pass filtration
Online depassing unit is imported through first level filtering device after completion and carries out online degasification, and the molten aluminum after line degasification successively imports second level
Filter device and three-level filter device filter filter residue diameter≤0.005mm of degasification；Casting, casting are completed after the completion of filtering
Aluminium alloy cast ingot is obtained after the completion；
Casting described in the step, wherein the temperature in casting process is 695~710 DEG C, casting total time is 2.0 small
When；The filter plate precision of first level filtering device is 50PPi in the casting process, uses high-purity argon gas to aluminium after by-pass filtration
Liquid carries out online degasification, and revolving speed >=450r/min of online degasification graphite rotator, the content of hydrogen is in molten aluminum after online degasification
≤0.12ml/100gAl；It is successively imported in two-stage filter and three-level filter device after line degasification, the secondary filtration dress
The filter plate precision set is 60PPi, and the three-level filter device is 26 pipe pipe type filtering devices；
(2) evenly heating is handled: carrying out evenly heating processing to the aluminium alloy cast ingot that step (1) obtains；
Wherein, evenly heating processing are as follows: the fixed temperature of soaking pit furnace gas is 490 DEG C, and fire box temperature starts when reaching 490 DEG C
Heat preservation keeps the temperature 3 hours；Stop heating after the completion of heat preservation, opens fire door, furnace gas temperature is down to by 1 hour time by 490 DEG C
450~460 DEG C；It is then shut off fire door to begin to warm up, changes and determine 450~460 DEG C of furnace gas temperature, and keep the temperature 5 hours at such a temperature,
After the completion of heat preservation, cooled to room temperature of coming out of the stove；
Wherein, the soaking in-furnace temperature is 35 DEG C/h by the heating rate of room temperature to 490 DEG C；
(3) mill face: the aluminium alloy cast ingot obtained to step (2) described cooled to room temperature carries out milling face: big face is unilateral
Milling face amount >=15mm, facet unilateral side mill face amount >=12mm, ingot casting both sides thickness difference≤2mm；
(4) hot rolling: the aluminium alloy cast ingot behind step (3) described milling face being heated, hot roughing is carried out after heating,
Then hot finishing is carried out, is lubricated and cools down using emulsion to obtain aluminum alloy plate materials during hot roughing and hot finishing；
Wherein, heating process carries out in heating furnace, and the fixed temperature of heating furnace furnace gas is 460 ± 5 DEG C, and aluminium alloy cast ingot temperature reaches
Starting heat preservation to 415~425 DEG C, (during being somebody's turn to do, aluminium alloy cast ingot is 35 by the heating rate of room temperature to 415~425 DEG C
DEG C/h), keep the temperature 4 hours；After the completion of heat preservation, starting to come out of the stove is rolled.
The hot rolling specifically: hot rolling cogging temperature is 415~425 DEG C, carries out hot roughing using 1+1 continuous hot-rolling mill,
12 passage reversible rollings of roughing, 30~50mm of draught per pass, the finished product thickness after rolling is 24mm, after hot roughing
Finishing temperature is 380 DEG C；Hot roughing finished product is transferred to hot finishing, reversible of the hot finishing through 3 passages immediately after the completion of roughing
The aluminum alloy coiled materials that rolling becomes with a thickness of 7mm；Wherein, during hot finishing first passage drafts 8mm, second road
Secondary drafts is 6mm, and the drafts of third passage is 3mm.
Wherein, the pressure of lotion is 0.35~0.45MPa when hot roughing, the temperature of lotion is 60~67 DEG C, lotion used
Mass concentration be 4.0~5.0%；The pressure of lotion used is 0.35~0.45MPa when hot finishing, temperature is 60~70 DEG C,
Use the mass concentration of lotion for 5.0~6.0%.
(5) it anneals: the aluminum alloy plate materials after step (4) hot rolling is made annealing treatment, the fixed temperature of annealing furnace gas is 400 DEG C
(furnace gas temperature is 10 hours by room temperature to 400 DEG C of required times), aluminum alloy plate materials temperature reach 320 ± 5 DEG C of (gold
Belong to temperature by room temperature to 320 ± 5 DEG C need to time be 13 hours) when heat preservation completions in 8 hours annealing, anneal completion
Afterwards, it comes out of the stove and carries out Slow cooling, be cooled to room temperature and obtain shell case aluminium alloy plate.
Obtained aluminum alloy plate materials performance is detected, as a result as shown in the table；The aluminum alloy plate materials can be good at
Preparation for shell case.
Embodiment 6
The three of the production method of the shell case aluminium alloy plate of above-described embodiment 1~3, this method include melting, cast,
Thermalization processing mills face, hot rolling, annealing；It is specific as follows:
(1) melting, casting are as follows:
A: aluminium ingot (>=99.7% purity), the mass content of Si is added in smelting furnace according to the element ratio of above-mentioned requirements
For 75% additive, purity be 99.99% pure magnesium ingot and aluminium titanium carbon silk (Al-5Ti-1C:5%Ti, 1%C, surplus are
Al)；After being all added, melting 5 hours, is then refined again under the conditions of 740 ± 5 DEG C, continues melting after the completion of refining
0.8 hour, i.e. melting in completion smelting furnace；It is adjusted after testing in the fusion process, so that in aluminium alloy solution
It is 0.6~0.8%, Fe≤0.2%, Cu≤0.05%, Mn≤0.05%, Mg that the mass percentage of each chemical element, which meets Si,
It is 0.6~0.7%,
Cr≤0.05%, Zn≤0.10%, Ti are 0.03~0.04%, surplus Al；
The refining is that argon-chlorine mixture gas is used to carry out refinery process, refining time 30min；
B: the molten aluminum after the completion of melting is delivered in standing furnace and is refined under the conditions of 740 ± 5 DEG C, after the completion of refining
Except removing dross, 30min, i.e. melting in completion standing furnace are stood；
Refining in the standing furnace is that argon-chlorine mixture gas is used to carry out refinery process, refining time 40min；
C: cast after the completion of melting in standing furnace: molten aluminum is imported in first level filtering device by standing furnace, by-pass filtration
Online depassing unit is imported through first level filtering device after completion and carries out online degasification, and the molten aluminum after line degasification successively imports second level
Filter device and three-level filter device filter filter residue diameter≤0.005mm of degasification；Casting, casting are completed after the completion of filtering
Aluminium alloy cast ingot is obtained after the completion；
Casting described in the step, wherein the temperature in casting process is 695~710 DEG C, casting total time is 2.0 small
When；The filter plate precision of first level filtering device is 50PPi in the casting process, uses high-purity argon gas to aluminium after by-pass filtration
Liquid carries out online degasification, and revolving speed >=450r/min of online degasification graphite rotator, the content of hydrogen is in molten aluminum after online degasification
≤0.12ml/100gAl；It is successively imported in two-stage filter and three-level filter device after line degasification, the secondary filtration dress
The filter plate precision set is 60PPi, and the three-level filter device is 26 pipe pipe type filtering devices；
(2) evenly heating is handled: carrying out evenly heating processing to the aluminium alloy cast ingot that step (1) obtains；
Wherein, evenly heating processing are as follows: the fixed temperature of soaking pit furnace gas is 490 DEG C, and fire box temperature starts when reaching 490 DEG C
Heat preservation keeps the temperature 2.5 hours；Heat preservation after the completion of stop heating, open fire door, using 1.5 hours time by furnace gas temperature by 490
DEG C it is down to 450~460 DEG C；It is then shut off fire door to begin to warm up, changes and determine 450~460 DEG C of furnace gas temperature, and keep the temperature at such a temperature
5 hours, after the completion of heat preservation, cooled to room temperature of coming out of the stove；
Wherein, the soaking in-furnace temperature is 40 DEG C/h by the heating rate of room temperature to 490 DEG C；
(3) mill face: the aluminium alloy cast ingot obtained to step (2) described cooled to room temperature carries out milling face: big face is unilateral
Milling face amount >=15mm, facet unilateral side mill face amount >=12mm, ingot casting both sides thickness difference≤2mm；
(4) hot rolling: the aluminium alloy cast ingot behind step (3) described milling face being heated, hot roughing is carried out after heating,
Then hot finishing is carried out, is lubricated and cools down using emulsion to obtain aluminum alloy plate materials during hot roughing and hot finishing；
Wherein, heating process carries out in heating furnace, and the fixed temperature of heating furnace furnace gas is 450 DEG C, and aluminium alloy cast ingot temperature reaches
Start at 415~425 DEG C heat preservation (should during, aluminium alloy cast ingot by room temperature to 415~425 DEG C when heating rate be
32 DEG C/h), keep the temperature 6 hours；After the completion of heat preservation, starting to come out of the stove is rolled；
The hot rolling specifically: hot rolling cogging temperature is 415~425 DEG C, carries out hot roughing using 1+1 continuous hot-rolling mill,
13 passage reversibles of roughing roll, per pass 30~50mm of roll reduction, the finished product thickness 23mm after rolling, after hot roughing
Finishing temperature be 360 DEG C；Hot roughing finished product is transferred to hot finishing immediately after the completion of roughing, hot finishing is reversible through 3 passages
Formula rolling becomes the aluminum alloy coiled materials with a thickness of 8mm；Wherein, during hot finishing first passage drafts 7mm, second
The drafts of passage is 6mm, and the drafts of third passage is 2mm.
Wherein, the pressure of lotion is 0.35~0.45MPa when hot roughing, the temperature of lotion is 60~67 DEG C, lotion used
Mass concentration be 4.0~5.0%；The pressure of lotion used is 0.35~0.45MPa when hot finishing, temperature is 60~70 DEG C,
Use the mass concentration of lotion for 5.0~6.0%.
(5) it anneals: the aluminum alloy plate materials after step (4) hot rolling is made annealing treatment, the fixed temperature of annealing furnace furnace gas is 450 DEG C
(furnace gas temperature is 12 hours by room temperature to 450 DEG C of required times), aluminum alloy plate materials temperature reach 320 ± 5 DEG C of (gold
Belong to temperature by room temperature to 320 ± 5 DEG C need to time be 12 hours) when heat preservation completions in 10 hours annealing, anneal completion
Afterwards, it comes out of the stove and carries out Slow cooling, be cooled to room temperature and obtain shell case aluminium alloy plate.
Obtained aluminum alloy plate materials performance is detected, as a result as shown in the table；The aluminum alloy plate materials can be good at
Preparation for shell case.
Claims (9)
1. a kind of shell case aluminium alloy plate, which is characterized in that be made of the chemical element of following weight percent:
Si is 0.6~0.8%, Fe≤0.2%, Cu≤0.05%, Mn≤0.05%, and Mg is 0.6~0.7%, Cr≤0.05%,
Zn≤0.10%, Ti are 0.03~0.04%, surplus Al.
2. the production method of shell case aluminium alloy plate described in a kind of claim 1, which is characterized in that this method includes melting, casting
It makes, evenly heating processing mills face, hot rolling, annealing；
(1) melting, casting are as follows:
A: according to the addition that aluminium ingot is added in the element ratio that claim 1 requires in smelting furnace, the mass content of Si is 75%
Agent, the pure magnesium ingot and aluminium titanium carbon silk that purity is 99.99%；All be added after, under the conditions of 720~760 DEG C melting 4.5~
It 5.5 hours, is then refined again, continues melting 0.5~1 hour, i.e. fusion process in completion smelting furnace after the completion of refining；
It is adjusted after testing in the fusion process, so that the mass percentage of each chemical element meets Si in aluminium alloy solution
For 0.6~0.8%, Fe≤0.2%, Cu≤0.05%, Mn≤0.05%, Mg is 0.6~0.7%, Cr≤0.05%, Zn≤
0.10%, Ti are 0.03~0.04%, surplus Al；
B: the molten aluminum after the completion of melting being delivered in standing furnace and is refined under the conditions of 720~750 DEG C, is removed after the completion of refining
Removing dross stands 20~40min, i.e. melting in completion standing furnace；
C: cast after the completion of melting in standing furnace: molten aluminum is imported in first level filtering device by standing furnace, and by-pass filtration is completed
Online depassing unit is imported by first level filtering device afterwards and carries out online degasification, and the molten aluminum after online degasification successively imports second level
Filter device and three-level filter device filter filter residue diameter≤0.005mm of degasification；Aluminium alloy cast ingot is obtained after the completion of casting；
(2) evenly heating processing is carried out to the aluminium alloy cast ingot that step (1) obtains；Aluminium alloy cast ingot after the completion of evenly heating processing is certainly
So it is cooled to room temperature；
(3) aluminium alloy cast ingot being cooled to room temperature to step (2) carries out milling face: big face unilateral side mills face amount >=15mm, and facet is unilateral
Milling face amount >=12mm, ingot casting both sides thickness difference≤2mm；
(4) hot rolling: the aluminium alloy cast ingot after milling surface treatment is heated, hot rolling is carried out after heating, is made in course of hot rolling
It is lubricated and is cooled down to obtain aluminum alloy plate materials with lotion；
It is described that ingot casting is heated specifically: the fixed temperature of heating furnace furnace gas is 420~470 DEG C, and aluminium alloy cast ingot temperature reaches
Start to keep the temperature when to 415~425 DEG C, keeps the temperature 4~8 hours；After the completion of heat preservation, starting to come out of the stove carries out hot rolling；
(5) it anneals: the aluminum alloy plate materials after step (4) processing is made annealing treatment, the fixed temperature of furnace gas is 400~500 DEG C, aluminium
When sheet alloy temperature reaches 320 ± 5 DEG C, at such a temperature keep the temperature 8~12 hours, after the completion of annealing, come out of the stove carry out slowly it is cold
But, it is cooled to room temperature and obtains shell case aluminum alloy plate materials.
3. the production method of shell case aluminium alloy plate according to claim 2, which is characterized in that essence described in step (1) a
Refining is that argon-chlorine mixture gas is used to carry out refinery process, refining time as 25~35min；Essence in standing furnace described in step (1) b
Refining is that argon-chlorine mixture gas is used to carry out refinery process, refining time as 30~50min.
4. the production method of shell case aluminium alloy plate according to claim 2, which is characterized in that cast described in step (1) c
Temperature in the process is 695~710 DEG C, and casting total time is 1.5~2.0 hours；First level filtering device in the casting process
Filter plate precision be 50PPi, use after by-pass filtration high-purity argon gas to carry out online degasification to molten aluminum, online degasification graphite turns
Son revolving speed >=450r/min, after line degasification in molten aluminum hydrogen content≤0.12ml/100gAl；Molten aluminum after line degasification according to
In secondary importing two-stage filter and three-level filter device, the filter plate precision of the two-stage filter is 60PPi, described three
Grade filter device is 26 pipe pipe type filtering devices.
5. the production method of shell case aluminium alloy plate according to claim 2, which is characterized in that equal described in step (2)
Thermalization processing specifically: the fixed temperature of furnace gas in heating furnace is 490 ± 5 DEG C, and fire box temperature starts to be protected when reaching 490 ± 5 DEG C
Temperature keeps the temperature 2~3 hours；Stop heating after the completion of heat preservation, then opens fire door, is down to furnace gas temperature in 1~2 hour
450-460℃；It is then shut off fire door to begin to warm up, changes and determine 450~460 DEG C of furnace gas temperature, keep the temperature 5 hours at such a temperature, protect
After the completion of temperature, natural cooling of coming out of the stove；
Wherein, the heating in-furnace temperature by room temperature to 490 ± 5 DEG C when heating rate be 35-45 DEG C/h.
6. the production method of shell case aluminium alloy plate according to claim 2, which is characterized in that step (4) described heating
Aluminium alloy cast ingot is 30~35 DEG C/h by the heating rate during room temperature to 415~425 DEG C when processing.
Hot rolling described in step (4) specifically: hot rolling cogging temperature is 415~425 DEG C, and it is thick to carry out heat using 1+1 continuous hot-rolling mill
Roll, roughing 11~13 passage reversibles rolling, each passes with a thickness of 30~50mm, roughing finished product thickness is 23~
25mm, the finishing temperature after hot roughing are 350~380 DEG C；After the completion of hot roughing immediately by with a thickness of the roughing of 23~25mm at
Product are transferred to hot finishing, and reversible rolling of the hot finishing by 3 passages becomes the aluminum alloy plate materials with a thickness of 6~8mm；Wherein,
The drafts of first passage is 7~9mm during hot finishing, and the drafts of second passage is 6mm, the pressure of third passage
Lower amount is 2~4mm.
7. the production method of shell case aluminium alloy plate according to claim 2, which is characterized in that step (4) heat is thick
The pressure of lotion is 0.35~0.45MPa used in the process of rolling, the temperature of lotion is 60~67 DEG C, and the mass concentration of lotion is
4.0~5.0%；The pressure of lotion is 0.35~0.45MPa used in the process of hot finishing, temperature is 60~70 DEG C, the matter of lotion
Measuring concentration is 5.0~6.0%.
8. the production method of shell case aluminium alloy plate according to claim 2, which is characterized in that step (5) described annealing
In the process: furnace gas temperature is 10~14 hours by room temperature to 400~500 DEG C of required times；Aluminum alloy plate materials are by room temperature liter
Temperature to the time used in 320 ± 5 DEG C is 12~13 hours.
9. a kind of application of the shell case aluminium alloy plate described in claim 1 or claim 2 in shell case preparation.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109609790A (en) * | 2019-01-28 | 2019-04-12 | 苏州铭恒金属科技有限公司 | A kind of aluminium alloy and its casting method |
| CN111041291A (en) * | 2019-12-25 | 2020-04-21 | 广东凤铝铝业有限公司 | High-strength aluminum alloy material and preparation method thereof |
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| CN112962004A (en) * | 2021-03-12 | 2021-06-15 | 浙江永杰铝业有限公司 | Pure aluminum strip and preparation method thereof |
| CN113913636A (en) * | 2021-09-29 | 2022-01-11 | 河南明泰科技发展有限公司 | Production method of deep-drawing 1050 aluminum alloy for game machine shell material |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3761322A (en) * | 1970-12-28 | 1973-09-25 | Olin Mathieson | Method of preparing aluminum cartridge case |
| CN104284745A (en) * | 2012-03-07 | 2015-01-14 | 美铝公司 | Improved 6xxx aluminum alloys, and methods for producing the same |
| CN106222498A (en) * | 2016-08-29 | 2016-12-14 | 河南明泰铝业股份有限公司 | A kind of hub of motorcycle aluminium alloy plate and preparation method thereof |
| CN106834837A (en) * | 2016-12-07 | 2017-06-13 | 中国航空工业集团公司北京航空材料研究院 | A kind of Al Cu Mg Fe Ni systems deformation thermostable aluminum alloy and preparation method thereof |
| CN107326227A (en) * | 2017-08-14 | 2017-11-07 | 山东南山铝业股份有限公司 | Rail transit vehicle body skirtboard aluminium alloy extrusions and its manufacture method |
| CN107475586A (en) * | 2017-09-13 | 2017-12-15 | 湖南工业大学 | A kind of polynary Al Cu alloys of high-strength and high ductility and its preparation method and application |
-
2018
- 2018-07-28 CN CN201810848620.9A patent/CN109022944B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3761322A (en) * | 1970-12-28 | 1973-09-25 | Olin Mathieson | Method of preparing aluminum cartridge case |
| CN104284745A (en) * | 2012-03-07 | 2015-01-14 | 美铝公司 | Improved 6xxx aluminum alloys, and methods for producing the same |
| CN106222498A (en) * | 2016-08-29 | 2016-12-14 | 河南明泰铝业股份有限公司 | A kind of hub of motorcycle aluminium alloy plate and preparation method thereof |
| CN106834837A (en) * | 2016-12-07 | 2017-06-13 | 中国航空工业集团公司北京航空材料研究院 | A kind of Al Cu Mg Fe Ni systems deformation thermostable aluminum alloy and preparation method thereof |
| CN107326227A (en) * | 2017-08-14 | 2017-11-07 | 山东南山铝业股份有限公司 | Rail transit vehicle body skirtboard aluminium alloy extrusions and its manufacture method |
| CN107475586A (en) * | 2017-09-13 | 2017-12-15 | 湖南工业大学 | A kind of polynary Al Cu alloys of high-strength and high ductility and its preparation method and application |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109609790B (en) * | 2019-01-28 | 2021-08-13 | 苏州铭恒金属科技有限公司 | Aluminum alloy and casting method thereof |
| CN109609790A (en) * | 2019-01-28 | 2019-04-12 | 苏州铭恒金属科技有限公司 | A kind of aluminium alloy and its casting method |
| CN111041291A (en) * | 2019-12-25 | 2020-04-21 | 广东凤铝铝业有限公司 | High-strength aluminum alloy material and preparation method thereof |
| CN111041291B (en) * | 2019-12-25 | 2021-02-19 | 佛山市三水凤铝铝业有限公司 | High-strength aluminum alloy material and preparation method thereof |
| CN111809089B (en) * | 2020-07-31 | 2022-01-28 | 河南泰鸿新材料有限公司 | 3004 aluminum alloy bottle cap material and preparation method thereof |
| CN111809089A (en) * | 2020-07-31 | 2020-10-23 | 河南泰鸿新材料有限公司 | 3004 aluminum alloy bottle cap material and preparation method thereof |
| CN112962004A (en) * | 2021-03-12 | 2021-06-15 | 浙江永杰铝业有限公司 | Pure aluminum strip and preparation method thereof |
| CN113913636A (en) * | 2021-09-29 | 2022-01-11 | 河南明泰科技发展有限公司 | Production method of deep-drawing 1050 aluminum alloy for game machine shell material |
| CN113913636B (en) * | 2021-09-29 | 2022-11-25 | 河南明泰科技发展有限公司 | Production method of deep-drawing 1050 aluminum alloy for game machine shell material |
| CN114393196A (en) * | 2022-01-15 | 2022-04-26 | 河南泰鸿新材料有限公司 | Ultra-thick aluminum alloy quenching plate and preparation method thereof |
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