CN107739918A - A kind of aluminium alloy of tank body containing erbium and its manufacturing method of plate thereof - Google Patents
A kind of aluminium alloy of tank body containing erbium and its manufacturing method of plate thereof Download PDFInfo
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- CN107739918A CN107739918A CN201710978382.9A CN201710978382A CN107739918A CN 107739918 A CN107739918 A CN 107739918A CN 201710978382 A CN201710978382 A CN 201710978382A CN 107739918 A CN107739918 A CN 107739918A
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- alloy
- aluminium
- tank body
- body containing
- containing erbium
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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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- 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
Abstract
A kind of aluminium alloy of tank body containing erbium and its manufacturing method of plate thereof, it is related to a kind of aluminium alloy of tank body containing erbium and its manufacturing method of plate thereof.The present invention seeks to improve the welding performance and corrosion resistance of the alloy of tank body containing erbium, there is provided a kind of aluminium alloy of tank body containing erbium and its manufacturing method of plate thereof.The element that a kind of aluminium alloy of tank body containing erbium of the present invention contains：Mg, Mn, Er, Zr and Be；Method：First, dispensing；2nd, melting；3rd, cast；4th, homogenizing annealing；5th, hot rolling；6th, sawing finished product, that is, the aluminium alloy of tank body containing erbium is obtained.The sheet alloy of tank body containing erbium prepared by the present invention is while the properties that the general almag of guarantee has, improve welding performance and corrosion resistance, so that the alloy disclosure satisfy that hazardous chemical articles for use tank body materials demand, the present invention is applied to field of aluminum alloy manufacturing.
Description
Technical field
The present invention relates to a kind of aluminium alloy of tank body containing erbium and its manufacturing method of plate thereof.
Background technology
Currently, the case tank car that the transport of the harmful influence such as pitch, methanol, ethylene glycol uses, its tank body material is 6mm steel plates,
From weighing about 4t.Because there are clear stipulaties in country to haulage vehicle gross weight, so as to limit the useful load of steel case tank car and cause to transport
Defeated cost increase.The tank body is made using aluminum alloy materials, weight more than 50% can be mitigated.The weldering of current high Mg-Al alloy plate
Connect performance and corrosion resistance is poor, tank body service life is short.
The content of the invention
The invention aims to poor, the tank body that solves the welding performance of current high Mg-Al alloy plate and corrosion resistance
The problem of service life is short, there is provided a kind of aluminium alloy of tank body containing erbium and its manufacturing method of plate thereof.
Each element mass percent is as follows in one kind aluminium alloy of tank body containing erbium of the invention：Mg：4.0%~4.9%, Mn：
0.40%~1.00%, Er：0.25%~0.40%, Zr：0.15%~0.30%, Be：0.0005%~0.005%, Si ﹤
0.15%, Fe ﹤ 0.25%, Ti ＜ 0.15%, single impurity≤0.05%, add up to impurity≤0.15%, surplus Al.
A kind of manufacture method of the aluminum alloy plate materials of tank body containing erbium of the present invention, comprises the following steps：
First, dispensing：With each element mass percent in aluminium alloy it is Mg according to tank body containing erbium：4.0%~4.9%, Mn：
0.40%~1.00%, Er：0.25%~0.40%, Zr：0.15%~0.30%, Be：0.0005%~
0.005% and surplus Al ratio weighs fine aluminium ingot, pure magnesium ingot, aluminium manganese intermediate alloy, aluminium erbium intermediate alloy, aluminium beryllium intermediate alloy
And aluminium zirconium hardener；
2nd, melting：A, fine aluminium ingot, aluminium manganese intermediate alloy and aluminium zirconium hardener that step 1 weighs are added to smelting furnace
In, 750~800 DEG C of smelting temperature, aluminium erbium intermediate alloy is added when melt temperature reaches >=780 DEG C, add among aluminium erbium and close
Jin Hou, first time stirring is carried out after being incubated 20min, after melt temperature rises to 780 DEG C again, insulation 20min is carried out second again
Stirring, 20min is incubated after melt temperature rises to 780 DEG C again, carries out third time stirring, obtain solution；B, step A is obtained
Melt is cooled, and when melt temperature is down to 740 DEG C, is added pure magnesium ingot and aluminium beryllium intermediate alloy, is then stirred, and obtains aluminium conjunction
Golden melt；C, press aluminium alloy melt quality in smelting furnace 0.4%~0.6% adds No. 2 covertures；D, by after step c processing
Aluminium alloy melt Ar-Cl2Gas is refined to hydrogen content≤0.25ml in every 100 grams of aluminium alloy melts, stands 30min, obtains
To molten aluminium alloy；
3rd, cast：By molten aluminium alloy temperature be 720 DEG C~740 DEG C, hydraulic pressure is 0.03MPa~0.15MPa, speed
To be cast under conditions of 50mm/min~70mm/min, obtain thickness be 520mm, width 1620mm, length be
1500mm~5000mm alloy cast ingot；
4th, homogenizing annealing：By the alloy cast ingot that step 3 obtains under conditions of temperature is 270 DEG C~310 DEG C, insulation
10h~14h；Then under conditions of 450 DEG C~480 DEG C, it is incubated 20h~30h；
5th, hot rolling：By the alloy cast ingot milling face by step 4 processing to 470mm~490mm, surveying alloy cast ingot temperature is
After 400 DEG C~440 DEG C, insulation, soaking time >=2 hour, the hot rolled plate that thickness is 5mm~10mm is then rolled into；
6th, sawing finished product：Step 5 is obtained into tank body containing erbium and carries out sawing with hot rolled plate, tank body containing erbium is obtained and is closed with aluminium
Golden finished product sheet material.
The beneficial effects of the invention are as follows：The present invention one kind tank body containing erbium with aluminium alloy compared with general almag,
Due to rationally with the addition of Er elements, while crystal grain refinement can be played, suppress the effect such as recrystallization and solution strengthening, add
Zr elements, cast sturcture is refined, change the second phase crystal form, formed small and dispersed phase, avoid nascent thick phase containing erbium
Formation.So that the aluminum alloy plate materials of tank body containing erbium invented are in the possessed normal temperature with general almag and low
Warm mechanical property, resistant to damage tolerance limit, there is more excellent welding performance, corrosion resistance.Used using the tank body containing erbium of the present invention
Aluminum alloy plate materials make tank body, can mitigate weight more than 50%, can also increase charge about 2t, be remarkably decreased cost of transportation
While, extend tank body service life.
Embodiment
Technical solution of the present invention is not limited to the embodiment of act set forth below, in addition to each embodiment it
Between any combination.
Embodiment one：Each element mass percent is as follows in present embodiment one kind aluminium alloy of tank body containing erbium：
Mg：4.0%~4.9%, Mn：0.40%~1.00%, Er：0.25%~0.40%, Zr：0.15%~0.30%, Be：
0.0005%~0.005%, Si ﹤ 0.15%, Fe ﹤ 0.25%, Ti ＜ 0.15%, single impurity≤0.05%, total impurity≤
0.15%, surplus Al.
Impurity element in present embodiment derives from aluminium ingot；Impurity Si ﹤ 0.15%, Fe ﹤ 0.25%, Ti ＜ 0.15%,
Other single impurity≤0.05%, add up to impurity≤0.15%, and the impurity in the range of this does not have shadow to the performance of aluminum alloy plate materials
Ring.
Compared with general almag, Er members are with the addition of due to reasonable with aluminium alloy for the tank body containing erbium of present embodiment
Element, while crystal grain refinement can be played, suppress the effect such as recrystallization and solution strengthening, Zr elements are added, refine casting group
Knit, change the second phase crystal form, form small and dispersed phase, avoid the formation of the nascent thick phase containing erbium.So that tank containing erbium
Body aluminum alloy plate materials are in possessed normal temperature and cryogenic mechanics performance with general almag, resistant to damage tolerance limit, tool
There are more excellent welding performance, corrosion resistance.Tank body is made with aluminum alloy plate materials using the tank body containing erbium of present embodiment, can
Mitigate weight more than 50%, can also increase charge about 2t, while being remarkably decreased cost of transportation, extend tank body and use the longevity
Life.
Embodiment two：Present embodiment is unlike embodiment one, in the aluminium alloy of tank body containing erbium
Each element mass percent is as follows：Mg：4.6%, Mn：0.6%, Er：0.26%, Zr：0.16%, Be：0.0025%, Si ﹤
0.15%, Fe ﹤ 0.25%, Ti ＜ 0.15%, single impurity≤0.05%, add up to impurity≤0.15%, surplus Al.It is other with
Embodiment one is identical.
Embodiment three：A kind of manufacture method of the aluminum alloy plate materials of tank body containing erbium of present embodiment includes following step
Suddenly：
First, dispensing：With each element mass percent in aluminium alloy it is Mg according to tank body containing erbium：4.0%~4.9%, Mn：
0.40%~1.00%, Er：0.25%~0.40%, Zr：0.15%~0.30%, Be：0.0005%~0.005% and surplus
Al ratio is weighed and closed among fine aluminium ingot, pure magnesium ingot, aluminium manganese intermediate alloy, aluminium erbium intermediate alloy, aluminium beryllium intermediate alloy and aluminium zirconium
Gold；
2nd, melting：A, fine aluminium ingot, aluminium manganese intermediate alloy and aluminium zirconium hardener that step 1 weighs are added to smelting furnace
In, 750~800 DEG C of smelting temperature, aluminium erbium intermediate alloy is added when melt temperature reaches >=780 DEG C, add among aluminium erbium and close
Jin Hou, first time stirring is carried out after being incubated 20min, after melt temperature rises to 780 DEG C again, insulation 20min is carried out second again
Stirring, 20min is incubated after melt temperature rises to 780 DEG C again, carries out third time stirring, obtain solution；B, step A is obtained
Melt is cooled, and when melt temperature is down to 740 DEG C, is added pure magnesium ingot and aluminium beryllium intermediate alloy, is then stirred, and obtains aluminium conjunction
Golden melt；C, press aluminium alloy melt quality in smelting furnace 0.4%~0.6% adds No. 2 covertures；D, by after step c processing
Aluminium alloy melt Ar-Cl2Gas is refined to hydrogen content≤0.25ml in every 100 grams of aluminium alloy melts, stands 30min, obtains
To molten aluminium alloy；
3rd, cast：By molten aluminium alloy temperature be 720 DEG C~740 DEG C, hydraulic pressure is 0.03MPa~0.15MPa, speed
To be cast under conditions of 50mm/min~70mm/min, obtain thickness be 520mm, width 1620mm, length be
1500mm~5000mm alloy cast ingot；
4th, homogenizing annealing：By the alloy cast ingot that step 3 obtains under conditions of temperature is 270 DEG C~310 DEG C, insulation
10h~14h；Then under conditions of 450 DEG C~480 DEG C, it is incubated 20h~30h；
5th, hot rolling：By the alloy cast ingot milling face by step 4 processing to 470mm~490mm, surveying alloy cast ingot temperature is
After 400 DEG C~440 DEG C, insulation, soaking time >=2 hour, the hot rolled plate that thickness is 5mm~10mm is then rolled into；
6th, sawing finished product：Step 5 is obtained into tank body containing erbium and carries out sawing with hot rolled plate, tank body containing erbium is obtained and is closed with aluminium
Golden finished product sheet material.
Embodiment four：Present embodiment from described in step 1 unlike embodiment three according to containing erbium
Each element mass percent is as follows in tank body aluminium alloy：Mg：4.6%, Mn：0.6%, Er：0.26%, Zr：0.16%, Be：
0.0025%, Si ﹤ 0.15%, Fe ﹤ 0.25%, Ti ＜ 0.15%, single impurity≤0.05%, add up to impurity≤0.15%, it is remaining
Measure as Al.It is other identical with embodiment one.
Embodiment five：Present embodiment is unlike embodiment three or four, covering described in step 2
Lid agent is No. 2 covertures, other identical with embodiment three or four.
No. 2 covertures in present embodiment are that main component is KCl, MgCl2And BaCl2Mix mode flux.
Embodiment six：Unlike one of present embodiment and embodiment three to five, described in step D
Ar-Cl2The high purity argon that gaseous mixture is 95% mixes with 5% high-purity chlorine.It is other with embodiment three to five it
One is identical.
Embodiment seven：Unlike one of present embodiment and embodiment three to six, described in step 3
Under conditions of temperature is 735 DEG C, hydraulic pressure 0.05MPa, speed are 55mm/min by the molten aluminium alloy obtained by step 2
It is cast as the alloy cast ingot that thickness is 520mm, width 1620mm, length are 4000mm.It is other with embodiment three to
One of six is identical.
Embodiment eight：Unlike one of present embodiment and embodiment three to seven, described in step 4
The alloy cast ingot for obtaining step 3 temperature be 280 DEG C under conditions of, be incubated 12h；Then under conditions of 460 DEG C, protect
Warm 26h.It is other identical with one of embodiment three to seven.
Embodiment nine：Unlike one of present embodiment and embodiment three to eight, described in step 5
The alloy cast ingot for obtaining step 4, be incubated under conditions of 430 DEG C, soaking time >=2 hour, other and specific embodiment party
One of formula three to eight is identical.
Beneficial effects of the present invention are verified using following examples：
Embodiment one：A kind of manufacture method of the aluminum alloy plate materials of tank body containing erbium, comprises the following steps：
First, dispensing：With each element mass percent in aluminium alloy it is Mg according to tank body containing erbium：4.6%, Mn：0.6%, Er：
0.26%, Zr：0.13%, Be：0.0025% and surplus be Al ratio weigh fine aluminium ingot, pure magnesium ingot, aluminium manganese intermediate alloy, aluminium
Erbium intermediate alloy, aluminium beryllium intermediate alloy and aluminium zirconium hardener；
2nd, melting：A, fine aluminium ingot, aluminium manganese intermediate alloy and aluminium zirconium hardener that step 1 weighs are added to smelting furnace
In, 750~800 DEG C of smelting temperature, aluminium erbium intermediate alloy is added when melt temperature reaches >=780 DEG C, add among aluminium erbium and close
Jin Hou, first time stirring is carried out after being incubated 20min, after melt temperature rises to 780 DEG C again, insulation 20min is carried out second again
Stirring, 20min is incubated after melt temperature rises to 780 DEG C again, carries out third time stirring, obtain solution；B, step A is obtained
Melt is cooled, and when melt temperature is down to 740 DEG C, is added pure magnesium ingot and aluminium beryllium intermediate alloy, is then stirred, and obtains aluminium conjunction
Golden melt；C, press aluminium alloy melt quality in smelting furnace 0.4%~0.6% adds No. 2 covertures；D, by after step c processing
Aluminium alloy melt Ar-Cl2Gas is refined to hydrogen content≤0.25ml in every 100 grams of aluminium alloy melts, stands 30min, obtains
To molten aluminium alloy；
3rd, cast：By molten aluminium alloy in the condition that temperature is 735 DEG C, hydraulic pressure 0.05MPa, speed are 55mm/min
Under cast, obtain the alloy cast ingot that thickness is 520mm, width 1620mm, length are 4000mm；
4th, homogenizing annealing：By the alloy cast ingot that step 3 obtains under conditions of temperature is 280 DEG C, 12h is incubated；So
Afterwards under conditions of 460 DEG C, 26h is incubated；
5th, hot rolling：By the alloy cast ingot milling face by step 4 processing to 470mm~490mm, surveying alloy cast ingot temperature is
After 400 DEG C~440 DEG C, insulation, soaking time >=2 hour, the hot rolled plate that thickness is 8mm is then rolled into；
6th, sawing finished product：Step 5 is obtained into tank body containing erbium and carries out sawing with hot rolled plate, tank body containing erbium is obtained and is closed with aluminium
Golden plate material.
Tank body containing erbium manufactured in the present embodiment is 250Rm/N/mm with the tensile strength of sheet alloy2~270Rm/N/mm2,
Yield strength is 340Rm/N/mm2~360Rm/N/mm2, elongation percentage is 15%~20%, and welding coefficient is 75%~85%, brilliant
Between corrode up to 2 grades, Peeling Corrosion is up to P levels.
Claims (9)
1. a kind of aluminium alloy of tank body containing erbium, it is characterised in that each element mass percent is as follows in the aluminium alloy of tank body containing erbium：
Mg：4.0%~4.9%, Mn：0.40%~1.00%, Er：0.25%~0.40%, Zr：0.15%~0.30%, Be：
0.0005%~0.005%, Si ﹤ 0.15%, Fe ﹤ 0.25%, Ti ＜ 0.15%, single impurity≤0.05%, total impurity≤
0.15%, surplus Al.
2. one kind aluminium alloy of tank body containing erbium according to claim 1, it is characterised in that each in the aluminium alloy of tank body containing erbium
Element mass percent is as follows：Mg：4.6%, Mn：0.6%, Er：0.26%, Zr：0.13%, Be：0.0025%, Si ﹤
0.15%, Fe ﹤ 0.25%, Ti ＜ 0.15%, single impurity≤0.05%, add up to impurity≤0.15%, surplus Al.
3. a kind of manufacture method of the aluminum alloy plate materials of tank body containing erbium, it is characterised in that manufacture method comprises the following steps：
First, dispensing：With each element mass percent in aluminium alloy it is Mg according to tank body containing erbium：4.0%~4.9%, Mn：0.40%
~1.00%, Er：0.25%~0.40%, Zr：0.15%~0.30%, Be：0.0005%~0.005% and surplus Al ratio
Example weighs fine aluminium ingot, pure magnesium ingot, aluminium manganese intermediate alloy, aluminium erbium intermediate alloy, aluminium beryllium intermediate alloy and aluminium zirconium hardener；
2nd, melting：A, fine aluminium ingot, aluminium manganese intermediate alloy and aluminium zirconium hardener that step 1 weighs are added in smelting furnace,
750~800 DEG C of smelting temperature, aluminium erbium intermediate alloy is added when melt temperature reaches >=780 DEG C, add aluminium erbium intermediate alloy
Afterwards, first time stirring is carried out after being incubated 20min, after melt temperature rises to 780 DEG C again, insulation 20min is stirred for the second time again
Mix, 20min is incubated after melt temperature rises to 780 DEG C again, carry out third time stirring, obtain solution；B, step A is obtained molten
Body is cooled, and when melt temperature is down to 740 DEG C, is added pure magnesium ingot and aluminium beryllium intermediate alloy, is then stirred, obtain aluminium alloy
Melt；C, press aluminium alloy melt quality in smelting furnace 0.4%~0.6% adds No. 2 covertures；D, by after step c processing
Aluminium alloy melt Ar-Cl2Gas is refined to hydrogen content≤0.25ml in every 100 grams of aluminium alloy melts, stands 30min, obtains
Molten aluminium alloy；
3rd, cast：By molten aluminium alloy temperature be 720 DEG C~740 DEG C, hydraulic pressure is 0.03MPa~0.15MPa, speed is
Cast under conditions of 50mm/min~70mm/min, obtain thickness be 520mm, width 1620mm, length 1500mm
~5000mm alloy cast ingot；
4th, homogenizing annealing：By the alloy cast ingot that step 3 obtains under conditions of temperature is 270 DEG C~310 DEG C, 10h is incubated
~14h；Then under conditions of 450 DEG C~480 DEG C, it is incubated 20h~30h；
5th, hot rolling：By the alloy cast ingot milling face by step 4 processing to 470mm~490mm, it is 400 to survey alloy cast ingot temperature
DEG C~440 DEG C after, insulation, soaking time >=2 hour, be then rolled into thickness be 5mm~10mm hot rolled plate；
6th, sawing finished product：Step 5 is obtained into tank body containing erbium and carries out sawing with hot rolled plate, obtain the aluminium alloy of tank body containing erbium into
Product sheet material.
A kind of 4. manufacture method of aluminum alloy plate materials of tank body containing erbium according to claim 3, it is characterised in that step 1
It is described according to Mg in the aluminium alloy of tank body containing erbium：4.6%, Mn：0.6%, Er：0.26%, Zr：0.13%, Be：0.0025%
With surplus fine aluminium ingot, pure magnesium ingot, aluminium manganese intermediate alloy, aluminium erbium intermediate alloy, aluminium beryllium intermediate alloy, aluminium zirconium are weighed for Al ratio
Intermediate alloy.
A kind of 5. manufacture method of aluminum alloy plate materials of tank body containing erbium according to claim 3, it is characterised in that step 2
Described coverture is No. 2 flux.
A kind of 6. manufacture method of aluminum alloy plate materials of tank body containing erbium according to claim 3, it is characterised in that step D institutes
The Ar-Cl stated2The high purity argon that gaseous mixture is 95% mixes with 5% high-purity chlorine.
A kind of 7. manufacture method of aluminum alloy plate materials of tank body containing erbium according to claim 3, it is characterised in that step 3
It is described under conditions of temperature is 735 DEG C, hydraulic pressure 0.05MPa, speed are 55mm/min by the aluminium alloy obtained by step 2
Liquation is cast as the alloy cast ingot that thickness is 520mm, width 1620mm, length are 4000mm.
A kind of 8. manufacture method of aluminum alloy plate materials of tank body containing erbium according to claim 3, it is characterised in that step 4
The described alloy cast ingot for obtaining step 3 is incubated 12h under conditions of temperature is 280 DEG C；Then in 460 DEG C of condition
Under, it is incubated 26h.
A kind of 9. manufacture method of aluminum alloy plate materials of tank body containing erbium according to claim 3, it is characterised in that step 5
The described alloy cast ingot for obtaining step 4 is incubated under conditions of being 430 DEG C in temperature, soaking time >=2 hour.
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| CN201710978382.9A CN107739918A (en) | 2017-10-18 | 2017-10-18 | A kind of aluminium alloy of tank body containing erbium and its manufacturing method of plate thereof |
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| CN110656264A (en) * | 2019-11-05 | 2020-01-07 | 东北轻合金有限责任公司 | Manufacturing method of aluminum alloy wire for protective fence |
| CN110724863A (en) * | 2019-11-18 | 2020-01-24 | 东北轻合金有限责任公司 | Large-size high-magnesium rare earth aluminum alloy ingot and preparation method thereof |
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| CN110656264A (en) * | 2019-11-05 | 2020-01-07 | 东北轻合金有限责任公司 | Manufacturing method of aluminum alloy wire for protective fence |
| CN110724863A (en) * | 2019-11-18 | 2020-01-24 | 东北轻合金有限责任公司 | Large-size high-magnesium rare earth aluminum alloy ingot and preparation method thereof |
| CN110724863B (en) * | 2019-11-18 | 2022-03-29 | 东北轻合金有限责任公司 | Large-size high-magnesium rare earth aluminum alloy ingot and preparation method thereof |
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