CN106939387A - A kind of car insurance bar aluminium alloy and preparation method thereof - Google Patents
A kind of car insurance bar aluminium alloy and preparation method thereof Download PDFInfo
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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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
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Abstract
A kind of car insurance bar aluminium alloy and preparation method thereof, the composition and mass percent of the car insurance bar aluminium alloy, which are constituted, is：Zn 5.0~5.6%, Mg 0.6~0.9%, Li 0.4~0.8%, Zr 0.005~0.015%, C 0.001~0.003%, Re 0.1~0.3%, Fe≤0.15%, Si≤0.1%, Cu≤0.1%, surplus is Al and inevitable impurity, impurity is single≤0.05%, total amount≤0.15%.Car insurance bar aluminium alloy of the present invention has the advantages that intensity is high, plasticity is good, corrosion-resistant and welding performance is excellent, with wide market application foreground.
Description
Technical field
The invention belongs to technical field of aluminum alloy technology, a kind of car insurance bar aluminium alloy and its preparation side are specifically related to
Method.
Background technology
In order to play cushioning effect in collision scenario accident, the car body before and after protection, the front and back end of automobile is equal
Bumper is installed.In order to reduce injury of the automobile when occurring side crash accident to occupant, inside the car door of automobile generally also
Car door bumper is installed, to strengthen the anticollision impulsive force of car door.Car insurance bar can absorb and relax the impulsive force in the external world,
It is the important safety for protecting vehicle body and occupant safety.Traditional car insurance bar is formed with steel plate punched, and steel plate is made
Although car insurance bar intensity it is high, anticollision ability is strong, has the disadvantage that weight is big, absorbs and relax the effect of foreign impacts power
Difference.With the development of automotive light weight technology, bumper has also moved towards the road of innovation as a kind of important safety device.Mesh
Preceding common car insurance is mainly made of plastics, and plastics are although lightweight, but its intensity shows slightly not enough, and anti-impact force is poor,
And plastics easily extension over time and occur aging.
Aluminium alloy has the advantages that density is small, forming performance is good, corrosion-resistant, regeneration is easily recycled, as automobile is light
The development of quantization, car insurance bar is all in the urgent need to high intensity, corrosion-resistant and excellent welding performance aluminium alloy are existing to substitute
Ferrous materials or plastics, with reach body structure lightweight, energy-saving and emission-reduction and bumper bar and car body moulding harmony with
It is unified.7xxx line aluminium alloys belong to heat-treatable strengthened type aluminium alloy, also known as high-strength aluminum alloy or ultrahigh-strength aluminum alloy,
It is currently used primarily in aerospace field, such as wallboard of manufacture aircraft, bulkhead, spar, undercarriage.The master of 7xxx line aluminium alloys
It is Zn and Mg to want alloying element, and it is extremely significant that Zn and Mg can form reinforcing effect in addition to solution strengthening effect, also
MgZn2Phase.With the increase of Zn, Mg content, the solution strengthening effect of element is more obvious, MgZn2The quantity of hardening constituent is also more,
The intensity of alloy is also improved therewith.But with the rising of alloy strength, plasticity is begun to decline, decay resistance, welding performance
Decline therewith.Though the 7xxx line aluminium alloys of the existing conventional trade mark have the characteristics of intensity is high, its plasticity, corrosion resisting property, weldability
Can be generally all poor, it is impossible to meet requirement of the car insurance bar to corrosion resistance of aluminum alloy and welding performance.
The content of the invention
It is an object of the invention to for it is above-mentioned exist problem and shortage there is provided a kind of intensity is high, plasticity is good, corrosion-resistant and
Welding performance is excellent, disclosure satisfy that car insurance bar aluminium alloy of automotive light weight technology growth requirement and preparation method thereof.
The technical proposal of the invention is realized in this way：
Car insurance bar aluminium alloy of the present invention, is characterized in being made up of following component and mass percent：Zn 5.0
~5.6%, Mg 0.6~0.9%, Li 0.4~0.8%, Zr 0.005~0.015%, C 0.001~0.003%, Re 0.1~
0.3%, Fe≤0.15%, Si≤0.1%, Cu≤0.1%, surplus are Al and inevitable impurity, impurity is single≤and 0.05%,
Total amount≤0.15%, wherein the composition composition and mass percent of the Re are：Pr 21.7%, Nd 14.2%, Pm 7.3%, Sm
17.9%, Eu 24.4%, Gd 14.5%.
It is preferred that, car insurance bar aluminium alloy of the present invention is made up of following component and mass percent：Zn
5.4%, Mg 0.8%, Li 0.6%, Zr 0.01%, C 0.002%, Re 0.2%, Fe≤0.15%, Si≤0.1%, Cu≤
0.1%, surplus is Al and inevitable impurity, and impurity is single≤0.05%, total amount≤0.15%, wherein the Re into packet
Into and mass percent be：Pr 21.7%, Nd 14.2%, Pm 7.3%, Sm 17.9%, Eu 24.4%, Gd 14.5%.
The preparation method of car insurance bar aluminium alloy of the present invention, is characterized in comprising the following steps：
The first step：Made from technical pure aluminium ingot, pure zinc ingot, pure magnesium ingot, Al20Li alloys, Al5Zr1C alloys and mischmetal Re
For raw material；
Second step：By aluminium ingot 740~780 DEG C heating fusing, and add account for raw material gross weight be 5.0~5.6% zinc ingot metal,
0.6~0.9% magnesium ingot and 2~4% Al20Li alloys, stirring are fused into aluminum alloy melt；
3rd step：After aluminum alloy melt refining degasification slagging-off, the Al5Zr1C for accounting for that raw material gross weight is 0.1~0.3% is added
Alloy and 0.1~0.3% mischmetal Re, the composition that stirring enables aluminum alloy to liquid are uniform；
4th step：Aluminum alloy melt is cooled to 700~720 DEG C and 0.5~1 hour is stood, aluminium alloy is then cast as；
5th step：By aluminium alloy in 490~500 DEG C of solution treatment 1~3 hour, after water quenching, in 120~130 DEG C of Ageing Treatments 15
~18 hours, car insurance bar aluminium alloy is obtained after furnace cooling.
The present invention compared with prior art, with advantages below：
The room temperature tensile intensity of car insurance bar aluminium alloy of the present invention is more than 450MPa, and yield strength is more than 410MPa, elongation
Rate is more than 11%, has the advantages that intensity is high, plasticity is good, corrosion-resistant and welding performance is excellent, before wide market application
Scape.
Embodiment
To make the purpose of the present invention, technical scheme and effect clearer, clear and definite, make further detailed to the present invention below
Describe in detail bright.
Car insurance bar aluminium alloy of the present invention, is made up of following component and mass percent：Zn 5.0~
5.6%, Mg 0.6~0.9%, Li 0.4~0.8%, Zr 0.005~0.015%, C 0.001~0.003%, Re 0.1~0.3%,
Fe≤0.15%, Si≤0.1%, Cu≤0.1%, surplus is Al and inevitable impurity, impurity is single≤0.05%, total amount
≤0.15%。
It is preferred that, composition and the mass percent composition of the car insurance bar aluminium alloy are：Zn 5.4%, Mg
0.8%, Li 0.6%, Zr 0.01%, C 0.002%, Re 0.2%, Fe≤0.15%, Si≤0.1%, Cu≤0.1%, surplus is
Al and inevitable impurity, impurity is single≤0.05%, total amount≤0.15%.
The composition of the Re is constituted and mass percent is：Pr 21.7%, Nd 14.2%, Pm 7.3%, Sm 17.9%, Eu
24.4%, Gd 14.5%.
Wherein, Zn and Mg are the main alloy elements of car insurance bar aluminium alloy of the present invention, except with solution strengthening
Effect is outer, and the two can also form the extremely significant MgZn of reinforcing effect2Phase, is the primary strengthening phase of aluminium alloy.As Zn, Mg contain
The increase of amount, the intensity of aluminium alloy is also improved therewith, but the moulding of alloy, corrosion resisting property, welding performance can also decline therewith.For
Ensure that aluminium alloy has enough intensity and good plasticity, corrosion resisting property and welding performance, therefore, the selection of Zn contents exists
5.0~5.6%, Mg content are selected 0.6~0.9%, it is preferred that Zn contents are that 5.4%, Mg contents are 0.8%.
Li is most light metallic element, and in car insurance bar with Li is added in aluminium alloy, aluminium alloy can be reduced first
Density, improves the specific strength and specific stiffness of aluminium alloy, reaches light-weighted effect.Next to that Li can also in aluminium alloy ag(e)ing process
Separate out the Al of nano-scale3Li and Al2MgLi hardening constituents, these hardening constituents can pinning dislocation, subgrain and crystal boundary, raising aluminium alloy
Plastic deformation ability and welding performance, the Li of addition 0.4~0.8% can produce significant effect to aluminium alloy, it is preferred that
Li additions are 0.6%.
Zr, C are to be added in the form of Al5Zr1C alloys in aluminium alloy, and Al5Zr1C alloys are by potassium fluorozirconate and carbon dust
The reaction of mixture and aluminium liquid obtain, substantial amounts of ZrC particles are contained in inside.Al5Zr1C alloys are that a kind of new aluminium alloy is brilliant
Grain fining agent, inventor experimental results demonstrate the existing Al5Ti1B and Al5Ti1C alloys of Al5Zr1C alloy ratios have stronger
Grain refining capability, the Al5Zr1C alloys of addition 0.1~0.3%, in aluminium alloy containing 0.005~0.015% Zr and
0.001~0.003% C, can notable refining aluminum alloy crystal grain, improve the structural homogenity of aluminium alloy, improve the modeling of aluminium alloy
Property deformability, it is preferred that Al5Zr1C alloy addition levels are 0.2%, the C containing 0.01% Zr and 0.002% in aluminium alloy.
Re is the mischmetal containing Pr, Nd, Pm, Sm, Eu, Gd totally six kinds of LREEs, the physics of LREE
Chemical property is active, can be with impurity element reaction generation high-melting-point, the height such as the hydrogen in aluminum alloy melt, oxygen, iron, silicon, manganese, copper, chromium
The rare earth compound of stability, there is deep purifying effect to aluminum alloy melt, can eliminate the adverse effect of impurity element, while gently
Rare earth element can also improve the corrosion potential of aluminium alloy and form the rare-earth oxidation film of densification in aluminum alloy surface, improve aluminium and close
The ability of golden anti intercrystalline corrosion and stress corrosion resistant.The experimental study of inventor shows that addition contains Pr, Nd, Pm, Sm, Eu, Gd
The effect of the mixed light rare earth of totally six kinds of LREEs is all more preferable than adding a kind of or a few LREE effect,
Therefore, the mixed light rare earth of selection addition 0.1~0.3%, it is preferred that mixed light rare earth addition is 0.2%.
Present invention also offers the preparation method of the car insurance bar aluminium alloy, following steps are specifically included：
The first step：Made from technical pure aluminium ingot, pure zinc ingot, pure magnesium ingot, Al20Li alloys, Al5Zr1C alloys and mischmetal Re
For raw material；
Second step：By aluminium ingot 740~780 DEG C heating fusing, and add account for raw material gross weight be 5.0~5.6% zinc ingot metal,
0.6~0.9% magnesium ingot and 2~4% Al20Li alloys, stirring are fused into aluminum alloy melt；
3rd step：After aluminum alloy melt refining degasification slagging-off, the Al5Zr1C for accounting for that raw material gross weight is 0.1~0.3% is added
Alloy and 0.1~0.3% mischmetal Re, the composition that stirring enables aluminum alloy to liquid are uniform；
4th step：Aluminum alloy melt is cooled to 700~720 DEG C and 0.5~1 hour is stood, aluminium alloy is then cast as；
5th step：By aluminium alloy in 490~500 DEG C of solution treatment 1~3 hour, after water quenching, in 120~130 DEG C of Ageing Treatments 15
~18 hours, car insurance bar aluminium alloy is obtained after furnace cooling.
The preparation method of the present invention, from technical pure aluminium ingot, pure zinc ingot, pure magnesium ingot, Al20Li alloys, Al5Zr1C alloys
With mischmetal Re as raw material, by optimizing the content of Zn, Mg main alloying element, addition Al20Li alloys carry out microalloy
Change, reduce the density of aluminium alloy, improve the plasticity and welding performance of aluminium alloy.After refined degasification, slagging-off, add
Al5Zr1C alloys and mischmetal, can give full play to Al5Zr1C alloys and mischmetal to the crystal grain refinement of aluminum alloy melt and
Deep purifying is acted on, it is ensured that car insurance bar of the present invention obtains high intensity, high-ductility and excellent corrosion resistance with aluminium alloy
Energy and welding performance.
In order to more describe car insurance bar aluminium alloy of the present invention and preparation method in detail, several embodiments are exemplified below
It is further described.
Embodiment 1：
Car insurance bar aluminium alloy of the present invention, is made up of following component and mass percent：Zn 5.0%, Mg
0.6%, Li 0.4%, Zr 0.005%, C 0.001%, Re 0.1%, Fe≤0.15%, Si≤0.1%, Cu≤0.1%, surplus is
Al and inevitable impurity, impurity is single≤0.05%, total amount≤0.15%, wherein the composition composition and quality percentage of the Re
Than for：Pr 21.7%, Nd 14.2%, Pm 7.3%, Sm 17.9%, Eu 24.4%, Gd 14.5%.Preparation method is by following steps
Composition：
The first step：Made from technical pure aluminium ingot, pure zinc ingot, pure magnesium ingot, Al20Li alloys, Al5Zr1C alloys and mischmetal Re
For raw material；
Second step：By aluminium ingot in 740 DEG C of heating fusings, and add the zinc ingot metal, 0.6% magnesium ingot for accounting for that raw material gross weight is 5.0%
Al20Li alloys with 2%, stir and are fused into aluminum alloy melt；
3rd step：After being removed the gred with carbon trichloride to aluminum alloy melt refining degasification, it is 0.1% to add and account for raw material gross weight
Al5Zr1C alloys and 0.1% mischmetal Re, the composition that stirring enables aluminum alloy to liquid are uniform；
4th step：Aluminum alloy melt is cooled to 700 DEG C and 1 hour is stood, aluminium alloy is then cast as；
5th step：By aluminium alloy in 500 DEG C of solution treatment 1 hour, after water quenching, in 120 DEG C of Ageing Treatments 18 hours, furnace cooling
After obtain car insurance bar aluminium alloy.
Embodiment 2：
Car insurance bar aluminium alloy of the present invention, is made up of following component and mass percent：Zn 5.4%, Mg
0.8%, Li 0.6%, Zr 0.01%, C 0.002%, Re 0.2%, Fe≤0.15%, Si≤0.1%, Cu≤0.1%, surplus is
Al and inevitable impurity, impurity is single≤0.05%, total amount≤0.15%, wherein the composition composition and quality percentage of the Re
Than for：Pr 21.7%, Nd 14.2%, Pm 7.3%, Sm 17.9%, Eu 24.4%, Gd 14.5%.Preparation method is by following steps
Composition：
The first step：Made from technical pure aluminium ingot, pure zinc ingot, pure magnesium ingot, Al20Li alloys, Al5Zr1C alloys and mischmetal Re
For raw material；
Second step：By aluminium ingot in 760 DEG C of heating fusings, and add the zinc ingot metal, 0.8% magnesium ingot for accounting for that raw material gross weight is 5.4%
Al20Li alloys with 3%, stir and are fused into aluminum alloy melt；
3rd step：After being removed the gred with carbon trichloride to aluminum alloy melt refining degasification, it is 0.2% to add and account for raw material gross weight
Al5Zr1C alloys and 0.2% mischmetal Re, the composition that stirring enables aluminum alloy to liquid are uniform；
4th step：Aluminum alloy melt is cooled to 710 DEG C and 0.7 hour is stood, aluminium alloy is then cast as；
5th step：By aluminium alloy in 495 DEG C of solution treatment 2 hours, after water quenching, in 125 DEG C of Ageing Treatments 16 hours, furnace cooling
After obtain car insurance bar aluminium alloy.
Embodiment 3：
Car insurance bar aluminium alloy of the present invention, is made up of following component and mass percent：Zn 5.6%, Mg
0.9%, Li 0.8%, Zr 0.015%, C 0.003%, Re 0.3%, Fe≤0.15%, Si≤0.1%, Cu≤0.1%, surplus is
Al and inevitable impurity, impurity is single≤0.05%, total amount≤0.15%, wherein the composition composition and quality percentage of the Re
Than for：Pr 21.7%, Nd 14.2%, Pm 7.3%, Sm 17.9%, Eu 24.4%, Gd 14.5%.Preparation method is by following steps
Composition：
The first step：Made from technical pure aluminium ingot, pure zinc ingot, pure magnesium ingot, Al20Li alloys, Al5Zr1C alloys and mischmetal Re
For raw material；
Second step：By aluminium ingot in 780 DEG C of heating fusings, and add the zinc ingot metal, 0.9% magnesium ingot for accounting for that raw material gross weight is 5.6%
Al20Li alloys with 4%, stir and are fused into aluminum alloy melt；
3rd step：After being removed the gred with carbon trichloride to aluminum alloy melt refining degasification, it is 0.3% to add and account for raw material gross weight
Al5Zr1C alloys and 0.3% mischmetal Re, the composition that stirring enables aluminum alloy to liquid are uniform；
4th step：Aluminum alloy melt is cooled to 720 DEG C and 0.5 hour is stood, aluminium alloy is then cast as；
5th step：By aluminium alloy in 490 DEG C of solution treatment 3 hours, after water quenching, in 130 DEG C of Ageing Treatments 15 hours, furnace cooling
After obtain car insurance bar aluminium alloy.
By National Standard of the People's Republic of China GB/T16865-2013, embodiment 1-3 car insurance bar is closed with aluminium
Metalworking carries out room temperature tensile into standard tensile specimen on DNS200 type electronic tensile test machines, and rate of extension is 2 millimeters/
Minute, tensile mechanical properties are as shown in table 1.
The tensile mechanical properties of the embodiment 1-3 car insurance bar aluminium alloys of table 1
| Embodiment sequence number | Tensile strength/MPa | Yield strength/MPa | Elongation/% |
| Embodiment 1 | 450.7 | 415.4 | 15.9 |
| Embodiment 2 | 467.5 | 428.4 | 13.5 |
| Embodiment 3 | 481.8 | 447.1 | 11.7 |
From the testing result of table 1, the room temperature tensile intensity of car insurance bar aluminium alloy of the present invention is more than 450MPa, surrender
Intensity is more than 410MPa, and elongation is more than 11%, has the advantages that intensity is high, plasticity is good, corrosion-resistant, welding performance is excellent, has
Wide market application foreground.
The present invention is described by embodiment, but not limited the invention, with reference to description of the invention, institute
Other changes of disclosed embodiment, are such as readily apparent that, such change should belong to for the professional person of this area
Within the scope of the claims in the present invention are limited.
Claims (3)
1. a kind of car insurance bar aluminium alloy, it is characterised in that be made up of following component and mass percent：Zn 5.0~
5.6%, Mg 0.6~0.9%, Li 0.4~0.8%, Zr 0.005~0.015%, C 0.001~0.003%, Re 0.1~0.3%,
Fe≤0.15%, Si≤0.1%, Cu≤0.1%, surplus is Al and inevitable impurity, impurity is single≤0.05%, total amount
≤ 0.15%, wherein the composition composition and mass percent of the Re are：Pr 21.7%, Nd 14.2%, Pm 7.3%, Sm
17.9%, Eu 24.4%, Gd 14.5%.
2. car insurance bar aluminium alloy according to claim 1, it is characterised in that by following component and mass percent
Composition：Zn 5.4%, Mg 0.8%, Li 0.6%, Zr 0.01%, C 0.002%, Re 0.2%, Fe≤0.15%, Si≤0.1%,
Cu≤0.1%, surplus is Al and inevitable impurity, and impurity is single≤0.05%, total amount≤0.15%, wherein the Re into
It is grouped into and mass percent is：Pr 21.7%, Nd 14.2%, Pm 7.3%, Sm 17.9%, Eu 24.4%, Gd 14.5%.
3. a kind of method for preparing the car insurance bar aluminium alloy as described in above-mentioned any claim, it is characterised in that including with
Lower step：
The first step：Made from technical pure aluminium ingot, pure zinc ingot, pure magnesium ingot, Al20Li alloys, Al5Zr1C alloys and mischmetal Re
For raw material；
Second step：By aluminium ingot 740~780 DEG C heating fusing, and add account for raw material gross weight be 5.0~5.6% zinc ingot metal,
0.6~0.9% magnesium ingot and 2~4% Al20Li alloys, stirring are fused into aluminum alloy melt；
3rd step：After aluminum alloy melt refining degasification slagging-off, the Al5Zr1C for accounting for that raw material gross weight is 0.1~0.3% is added
Alloy and 0.1~0.3% mischmetal Re, the composition that stirring enables aluminum alloy to liquid are uniform；
4th step：Aluminum alloy melt is cooled to 700~720 DEG C and 0.5~1 hour is stood, aluminium alloy is then cast as；
5th step：By aluminium alloy in 490~500 DEG C of solution treatment 1~3 hour, after water quenching, in 120~130 DEG C of Ageing Treatments 15
~18 hours, car insurance bar aluminium alloy is obtained after furnace cooling.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001049375A (en) * | 1999-08-06 | 2001-02-20 | Res Inst Electric Magnetic Alloys | Al ALLOY HAVING EXCELLENT VIBRATION ABSORBABILITY AND ITS PRODUCTION |
| CN101805854A (en) * | 2009-09-23 | 2010-08-18 | 贵州华科铝材料工程技术研究有限公司 | Li-W-RE high-strength heat resistant aluminum alloy material modified with C and preparation method thereof |
| CN104120311A (en) * | 2013-04-27 | 2014-10-29 | 重庆长安汽车股份有限公司 | Cast aluminum alloy applied to automobile suspension bracket and preparation method of cast aluminum alloy |
| CN105220040A (en) * | 2015-11-19 | 2016-01-06 | 广东和胜工业铝材股份有限公司 | A kind of Al-Zn-Mg alloy and preparation method thereof and application |
| CN105401013A (en) * | 2015-11-10 | 2016-03-16 | 苏州三基铸造装备股份有限公司 | Cast aluminum alloy for automotive structural parts and preparation method thereof |
-
2017
- 2017-02-27 CN CN201710105910.XA patent/CN106939387B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001049375A (en) * | 1999-08-06 | 2001-02-20 | Res Inst Electric Magnetic Alloys | Al ALLOY HAVING EXCELLENT VIBRATION ABSORBABILITY AND ITS PRODUCTION |
| CN101805854A (en) * | 2009-09-23 | 2010-08-18 | 贵州华科铝材料工程技术研究有限公司 | Li-W-RE high-strength heat resistant aluminum alloy material modified with C and preparation method thereof |
| CN104120311A (en) * | 2013-04-27 | 2014-10-29 | 重庆长安汽车股份有限公司 | Cast aluminum alloy applied to automobile suspension bracket and preparation method of cast aluminum alloy |
| CN105401013A (en) * | 2015-11-10 | 2016-03-16 | 苏州三基铸造装备股份有限公司 | Cast aluminum alloy for automotive structural parts and preparation method thereof |
| CN105220040A (en) * | 2015-11-19 | 2016-01-06 | 广东和胜工业铝材股份有限公司 | A kind of Al-Zn-Mg alloy and preparation method thereof and application |
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