CN106244864A - A kind of automobile turbocharger housing and preparation method thereof - Google Patents
A kind of automobile turbocharger housing and preparation method thereof Download PDFInfo
- Publication number
- CN106244864A CN106244864A CN201610760986.1A CN201610760986A CN106244864A CN 106244864 A CN106244864 A CN 106244864A CN 201610760986 A CN201610760986 A CN 201610760986A CN 106244864 A CN106244864 A CN 106244864A
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- CN
- China
- Prior art keywords
- turbocharger housing
- automobile turbocharger
- stannum
- ferrum
- manganese
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Classifications
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
The present invention relates to a kind of automobile turbocharger housing and preparation method thereof, raw silicon, ferrum, copper, magnesium, zinc, chromium, nickel, stannum, titanium, lead, manganese and aluminum are mixed according to weight proportion, through melting, die casting, product is taken out from die casting machine, carry out trimming after cooling, manual cleanup, x-ray inspection, carrying, ball blast, five axles are closely processed, clean deburring, ECM electrode deburring, ultrasonic waves for cleaning after, dry, check, pack, dispatch from the factory, obtain product.The product that the preparation method of the automobile turbocharger housing of the present invention produces improves the drawback that original thin-walled turbocharger housing product air holes is excessive, by the optimization of the die casting Technology design of the domestic a cavity per mould for advanced level, meet the technology requirement of turbocharger housing pore ＜ 0.2mm.
Description
Technical field
The present invention relates to die casting field, more particularly, to a kind of automobile turbocharger housing and preparation method thereof.
Background technology
Due to the advantage such as the low-density of aluminium alloy, flexibly Intensity Design, castability, machinability, wearability, it is adaptable to casting
Make auto-parts, the usual production using high speed die-casting technique to carry out auto parts machinery, and high speed die-casting technique production at present
, easily there is pore in die casting, requires the highest common high speed of requirement for interiors of products quality and interior porosity in tissue
Extrusion process cannot meet automobile fitting product porosity requirement.
For the characteristic of aluminium alloy, developing low porosity, resistance to holding capacity is high, and quality is light-duty, has catered to automotive light weight technology
Demand, provides the parts of high-quality for Development of Domestic lightweight automotive development.Therefore, before this product has good market
Scape.
The key technical indexes of the turbocharger products of automobile is: product wall thickness 3.5-4.0mm, and tissue phase structure is equal
Even, pore closes keyboard and requires ＜ 0.2mm, and surface smoothness is Ra 3.2.This product is high to the requirement of pore, so, a kind of
Conforming product rate is high, and automobile turbocharger housing with low cost and preparation method thereof is needs.
Summary of the invention
It is an object of the invention to for not enough present in above-mentioned prior art, it is provided that a kind of automobile turbocharger housing
And preparation method thereof, improve the drawback that original thin-walled turbocharger housing product air holes is excessive.
In order to realize foregoing invention purpose, the technical solution used in the present invention is as follows:
According to the present invention, it is provided that a kind of automobile turbocharger housing, consist of the following components in percentage by weight: silicon
8.0-11.0%, ferrum≤1.3%, copper 2.0-4.0%, magnesium 0.05-0.55%, zinc≤1.2%, chromium≤0.15%, nickel≤
0.55%, stannum≤0.25%, titanium≤0.25%, lead≤0.35%, manganese≤0.55%, surplus is aluminum.
Preferably, consist of the following components in percentage by weight: silicon 8.0-11.0%, ferrum 0.5-1.3%, copper 2.0-
4.0%, magnesium 0.05-0.55%, zinc≤1.2%, chromium≤0.15%, nickel≤0.55%, stannum≤0.25%, titanium≤0.25%, lead
≤ 0.35%, manganese≤0.55%, surplus is aluminum.
Preferably, consist of the following components in percentage by weight: silicon 8.5-10.5%, ferrum 0.5-1.3%, copper 2.5-
4.0%, magnesium 0.10-0.55%, zinc 1.0-1.2%, chromium 0.05-0.15%, nickel 0.05-0.55%, stannum 0.10-0.25%, titanium
0.15-0.25%, lead 0.15-0.35%, manganese 0.2-0.55%, surplus is aluminum.
Preferably, consist of the following components in percentage by weight: silicon 9%, ferrum 1.3%, copper 4.0%, magnesium 0.55%, zinc
1.1%, chromium 0.10%, nickel 0.35%, stannum 0.25%, titanium 0.25%, lead 0.35%, manganese 0.55%, surplus is aluminum.
Preferably, consist of the following components in percentage by weight: silicon 8.5%, ferrum 0.5%, copper 2.5%, magnesium 0.10%, zinc
1.0%, chromium 0.05%, nickel 0.05%, stannum 0.10%, titanium 0.15%, lead 0.15%, manganese 0.2%, surplus is aluminum.
Preferably, consist of the following components in percentage by weight: silicon 10.5%, ferrum 1.3%, copper 4.0%, magnesium 0.55%,
Zinc 1.2%, chromium 0.15%, nickel 0.55%, stannum 0.25%, titanium 0.25%, lead 0.35%, manganese 0.55%, surplus is aluminum.
Preferably, consist of the following components in percentage by weight: silicon 11.0%, ferrum 1.25%, copper 4.0%, magnesium 0.55%,
Zinc 1.2%, chromium 0.15%, nickel 0.35%, stannum 0.15%, titanium 0.20%, lead 0.30%, manganese 0.55%, surplus is aluminum.
The present invention also provides for the preparation method of a kind of automobile turbocharger housing as above, comprises the following steps:
1) smelting furnace is heated to more than 600 DEG C, according to proportioning weight by silicon, ferrum, copper, magnesium, zinc, chromium, nickel, stannum,
Titanium, lead, manganese and aluminum join in burner hearth；
2) continuing heating said mixture material, when the temperature of material to be mixed rises to 720 DEG C ± 10 DEG C, adding consumption is
The refining agent of the 0.1%-0.8% of mixed material carries out refine, is pressed in mixed material liquid by refining agent with bell jar and justifies
Week stirring 5-15 minute, uses the argon of 99.99% to carry out degasification and operates 3-15 minute, within static 10-15 minute, prepare die casting；
3) mould of a cavity per mould is fixed on the active and inactive mold plate of die casting machine, mould is preheated to 160-250 DEG C, at mould
Uniformly spraying last layer water based paint in tool die cavity, painting type thickness is 0.005-0.008mm, and heating and keeping mold temperature is 120-
180℃；
4) by step 3) in the mixed material liquid press-in die that processed, carry out Ultra-Low Speed die casting, after die casting completes,
Foundry goods is taken out in active and inactive mold die sinking, prepares required automobile turbocharger shell product.
Further, step 4) in the technological parameter of Ultra-Low Speed die casting be: system pressure is 12-15MPa, and pressurization time is
10s, gassing time is 3～5s, is designed as 5-15s cool time, and foundry goods mould remaining time is set as 20～30s.
Further, step 3) in be provided with insert and the super cold spot corresponding with described product air holes position on mould,
Described insert clearance control is at 0.05-0.10mm.
Automobile turbocharger shell product after above-mentioned die casting completes, carries out trimming, manual cleanup, X penetrate after cooling
Line flaw detection, carrying, ball blast, five axles closely process, clean deburring, ECM electrode deburring, ultrasonic waves for cleaning after, dry, examine
Test, pack, dispatch from the factory, obtain product.
The product that the preparation method of the automobile turbocharger housing of the present invention produces improves original thin-walled turbocharging
The drawback that device shell product pore is excessive, excellent by the die casting Technology design of the domestic a cavity per mould for advanced level
Change, meet the technology requirement of turbocharger housing pore ＜ 0.2mm；It addition, intersect after turbocharger housing Product processing
Hole is more, and it is more difficult that the machined burrs of generation is removed, and once after assembling, burr drops and can cause automobile component scaling loss, and the present invention makes
Above-mentioned phenomenon can well be solved with ECM electrode deburring, simultaneously will not destroying pores, therefore, the vehicle turbine of the present invention increases
Depressor shell product has good market prospect.
The material being configured to, for the characteristic of aluminium alloy, is added by the preparation method of the automobile turbocharger housing of the present invention
Enter smelting furnace and carry out refine, die casting is fixed on the active and inactive mold plate of die casting machine, in mold cavity, uniformly spray last layer
Water based paint, then by material liquid press-in die, carry out high speed die casting, foundry goods stays mould to set certain time, and active and inactive mold die sinking takes
Go out foundry goods, obtain turbocharger housing, whole casting process one-shot forming, be produced on a large scale, the electricity produced by this technique
Casing body even structure, porosity is low, and pore opening requires that key area, less than 0.1mm, meets the design and use need of product
Asking, resistance to holding capacity is high, light weight shaped material.
Each raw material weight proportioning of the automobile turbocharger housing of the present invention (i.e. silicon, ferrum, copper, magnesium, zinc, chromium, nickel,
The weight proportion of stannum, titanium, lead, manganese and aluminum) design is accurately, it is ensured that the tissue phase structure of electric machine casing aluminum alloy materials uniform
Property.Wherein iron content is adjusted to 0.5-1.3% so that aluminium alloy
The mould used in the preparation method of the present invention is improved, and turbocharger housing product exists length and exceedes
The support of 100mm, easily forms cold shut defect in casting process, the mould after the present invention improves easily is forming cold shut defect
Position is fabricated to insert pattern specially, and insert clearance control, at 0.05-0.10mm, considerably increases the aerofluxus of mould so that produce
After the final injection of product can molding good.Further, since product air holes requires ＜ 0.2mm on flange face, so at product air holes
Increase super cold spot on the relevant position of corresponding mould, in conjunction with die casting pressurization position and the technique of pressure, solve pore excessive problem.
The present invention is to control turbocharger housing thickness, the tissue uniformity of phase structure, porosity, to bear pressure, table
Based on the fineness index of face, by the material choice of analyzing influence product quality, the equipment that produces, processing parameter is adjusted,
In production process, product quality is required as adjusting thinking and method by correlative factor, in aluminum alloy materials match ratio, extrusion process,
The exploitation design of mould.Production process is automatically brought into operation related technical data and determines, proves each correlative factor by lab scale and pilot scale
And each parameter reasonable, coordinate, reach the production technology of turbocharger housing.
Detailed description of the invention
Embodiment 1
A kind of automobile turbocharger housing, consists of the following components in percentage by weight: silicon 9%, ferrum 1.3%, copper
4.0%, magnesium 0.55%, zinc 1.1%, chromium 0.10%, nickel 0.35%, stannum 0.25%, titanium 0.25%, lead 0.35%, manganese 0.55%,
Surplus is aluminum.
Smelting furnace is heated to more than 600 DEG C, according to said ratio weight by silicon, ferrum, copper, magnesium, zinc, chromium, nickel,
Stannum, titanium, lead, manganese and aluminum join in burner hearth.Continuing heating said mixture material, the temperature of material to be mixed rises to 720 DEG C
When ± 10 DEG C, the two-in-one refining agent adding the 0.1%-0.8% that consumption is mixed material carries out refine, with bell jar by refining agent
Press-in mixed material liquid carries out circumference stir 5-15 minute, uses the argon of 99.99% to carry out degasification and operate 3-15 minute,
Within static 10-15 minute, prepare die casting；The mould of a cavity per mould is fixed on the active and inactive mold plate of die casting machine, mould is preheated to
160-250 DEG C, uniformly spraying last layer water based paint in mold cavity, painting type thickness is 0.005-0.008mm, heats and keeps
Mold temperature is 120-180 DEG C；In mixed material liquid press-in die process completed, carry out Ultra-Low Speed die casting (Ultra-Low Speed
The technological parameter of die casting is: system pressure is 12-15MPa, and pressurization time is 10s, and gassing time is 3～5s, sets cool time
Be calculated as 5-15s, foundry goods mould remaining time be set as 20～30s and super cooling system use computer program to control), after die casting completes, dynamic
Foundry goods is taken out in cover half die sinking, prepares required automobile turbocharger shell product.
Automobile turbocharger shell product after above-mentioned die casting completes, carries out trimming, manual cleanup, X penetrate after cooling
Line flaw detection, carrying, ball blast, five axles closely process, clean deburring, ECM electrode deburring, ultrasonic waves for cleaning after, dry, examine
Test, pack, dispatch from the factory, be finally applied to automobile turbocharger.
Wherein, mould is provided with insert and the super cold spot corresponding with preparing product air holes position, described insert gap
Control at 0.05-0.10mm.
Compared with existing thin-walled turbocharger housing product, turbocharger housing product knot prepared by the present embodiment
Structure is uniform, porosity is low, reaches the technology requirement of pore ＜ 0.2mm, resistance to holding capacity height and lighter weight.
Embodiment 2
In the present embodiment, automobile turbocharger housing, consist of the following components in percentage by weight: silicon 8.5%, ferrum
0.5%, copper 2.5%, magnesium 0.10%, zinc 1.0%, chromium 0.05%, nickel 0.05%, stannum 0.10%, titanium 0.15%, lead 0.15%,
Manganese 0.2%, surplus is aluminum.
Above-mentioned automobile turbocharger housing is obtained by method same as in Example 1.
Compared with existing thin-walled turbocharger housing product, turbocharger housing product knot prepared by the present embodiment
Structure is uniform, porosity is low, reaches the technology requirement of pore ＜ 0.2mm, resistance to holding capacity height and lighter weight.
Embodiment 3
In the present embodiment, automobile turbocharger housing, consist of the following components in percentage by weight: silicon 10.5%,
Ferrum 1.3%, copper 4.0%, magnesium 0.55%, zinc 1.2%, chromium 0.15%, nickel 0.55%, stannum 0.25%, titanium 0.25%, lead
0.35%, manganese 0.55%, surplus is aluminum.
Above-mentioned automobile turbocharger housing is obtained by method same as in Example 1.
Compared with existing thin-walled turbocharger housing product, turbocharger housing product knot prepared by the present embodiment
Structure is uniform, porosity is low, reaches the technology requirement of pore ＜ 0.2mm, resistance to holding capacity height and lighter weight.
Embodiment 4
In the present embodiment, automobile turbocharger housing, consist of the following components in percentage by weight: silicon 11.0%,
Ferrum 1.25%, copper 4.0%, magnesium 0.55%, zinc 1.2%, chromium 0.15%, nickel 0.35%, stannum 0.15%, titanium 0.20%, lead
0.30%, manganese 0.55%, surplus is aluminum.
Above-mentioned automobile turbocharger housing is obtained by method same as in Example 1.
Compared with existing thin-walled turbocharger housing product, turbocharger housing product knot prepared by the present embodiment
Structure is uniform, porosity is low, reaches the technology requirement of pore ＜ 0.2mm, resistance to holding capacity height and lighter weight.
Embodiment 5
In the present embodiment, automobile turbocharger housing, consist of the following components in percentage by weight: silicon 8.0%, ferrum
1.3%, copper 2.0%, magnesium 0.10%, zinc 1.1%, chromium 0.13%, nickel 0.45%, stannum 0.05%, titanium 0.10%, lead 0.20%,
Manganese 0.45%, surplus is aluminum.
Above-mentioned automobile turbocharger housing is obtained by method same as in Example 1.
Compared with existing thin-walled turbocharger housing product, turbocharger housing product knot prepared by the present embodiment
Structure is uniform, porosity is low, reaches the technology requirement of pore ＜ 0.2mm, resistance to holding capacity height and lighter weight.
Embodiment 6
In the present embodiment, automobile turbocharger housing, consist of the following components in percentage by weight: silicon 8.0%, ferrum
1.3%, copper 2.0%, magnesium 0.05%, zinc 0.8%, chromium 0.12%, nickel 0.05%, stannum 0.16%, titanium 0.05%, lead 0.10%,
Manganese 0.35%, surplus is aluminum.
Above-mentioned automobile turbocharger housing is obtained by method same as in Example 1.
Compared with existing thin-walled turbocharger housing product, turbocharger housing product knot prepared by the present embodiment
Structure is uniform, porosity is low, and pore closes keyboard ＜ 0.1mm, resistance to holding capacity height and lighter weight.
In embodiment 1-6 use two-in-one refining agent can be model be the refining agent of HYJD-1F HYJD-2F, such as
Produced by Zhong Shanhuayu nonferrous metallurgy Materials Co., Ltd.
Use and above-described embodiment 1-6 produces the automobile turbocharger housing and automobile turbocharger shell prepared
The technical standard comparing result of body is as shown in table 1 below.
Automobile turbocharger housing performance comparison prepared by table 1 present invention
As can be seen here, the automobile turbocharger housing that the production of the present invention prepares reaches on indices the most
Standard, and pore pass keyboard is less compared with standard, more remarkable meets product design and use demand.
The foregoing is only presently preferred embodiments of the present invention, be not used for limiting the practical range of the present invention；If do not taken off
From the spirit and scope of the present invention, the present invention is modified or equivalent, all should contain in the claims in the present invention
In the middle of protection domain.
Claims (10)
1. an automobile turbocharger housing, it is characterised in that consist of the following components in percentage by weight: silicon 8.0-
11.0%, ferrum≤1.3%, copper 2.0-4.0%, magnesium 0.05-0.55%, zinc≤1.2%, chromium≤0.15%, nickel≤0.55%, stannum
≤ 0.25%, titanium≤0.25%, lead≤0.35%, manganese≤0.55%, surplus is aluminum.
Automobile turbocharger housing the most according to claim 1, it is characterised in that by following components in percentage by weight
Composition: silicon 8.0-11.0%, ferrum 0.5-1.3%, copper 2.0-4.0%, magnesium 0.05-0.55%, zinc≤1.2%, chromium≤0.15%,
Nickel≤0.55%, stannum≤0.25%, titanium≤0.25%, lead≤0.35%, manganese≤0.55%, surplus is aluminum.
Automobile turbocharger housing the most according to claim 2, it is characterised in that by following components in percentage by weight
Composition: silicon 8.5-10.5%, ferrum 0.5-1.3%, copper 2.5-4.0%, magnesium 0.10-0.55%, zinc 1.0-1.2%, chromium 0.05-
0.15%, nickel 0.05-0.55%, stannum 0.10-0.25%, titanium 0.15-0.25%, lead 0.15-0.35%, manganese 0.2-0.55%,
Surplus is aluminum.
Automobile turbocharger housing the most according to claim 3, it is characterised in that by following components in percentage by weight
Composition: silicon 9%, ferrum 1.3%, copper 4.0%, magnesium 0.55%, zinc 1.1%, chromium 0.10%, nickel 0.35%, stannum 0.25%, titanium
0.25%, lead 0.35%, manganese 0.55%, surplus is aluminum.
Automobile turbocharger housing the most according to claim 2, it is characterised in that by following components in percentage by weight
Composition: silicon 8.5%, ferrum 0.5%, copper 2.5%, magnesium 0.10%, zinc 1.0%, chromium 0.05%, nickel 0.05%, stannum 0.10%, titanium
0.15%, lead 0.15%, manganese 0.2%, surplus is aluminum.
Automobile turbocharger housing the most according to claim 2, it is characterised in that by following components in percentage by weight
Composition: silicon 10.5%, ferrum 1.3%, copper 4.0%, magnesium 0.55%, zinc 1.2%, chromium 0.15%, nickel 0.55%, stannum 0.25%, titanium
0.25%, lead 0.35%, manganese 0.55%, surplus is aluminum.
Automobile turbocharger housing the most according to claim 2, it is characterised in that by following components in percentage by weight
Composition: silicon 11.0%, ferrum 1.25%, copper 4.0%, magnesium 0.55%, zinc 1.2%, chromium 0.15%, nickel 0.35%, stannum 0.15%, titanium
0.20%, lead 0.30%, manganese 0.55%, surplus is aluminum.
8. the preparation method of the automobile turbocharger housing as described in any one of claim 1-7, it is characterised in that bag
Include following steps:
1) smelting furnace is heated to more than 600 DEG C, according to proportioning weight by silicon, ferrum, copper, magnesium, zinc, chromium, nickel, stannum, titanium,
Lead, manganese and aluminum join in burner hearth；
2) continue heating said mixture material, when the temperature of material to be mixed rises to 720 DEG C ± 10 DEG C, add consumption for mixing
The refining agent of the 0.1%-0.8% of material carries out refine, is pressed in mixed material liquid by refining agent with bell jar and carries out circumference and stir
Mix 5-15 minute, use the argon of 99.99% to carry out degasification and operate 3-15 minute, within static 10-15 minute, prepare die casting；
3) mould of a cavity per mould is fixed on the active and inactive mold plate of die casting machine, mould is preheated to 160-250 DEG C, at mould type
Intracavity uniformly sprays last layer water based paint, and painting type thickness is 0.005-0.008mm, and heating and keeping mold temperature is 120-180
℃；
4) by step 3) in the mixed material liquid press-in die that processed, carry out Ultra-Low Speed die casting, after die casting completes, dynamic fixed
Foundry goods is taken out in mould die sinking, prepares required automobile turbocharger shell product.
Automobile turbocharger housing the most according to claim 8, it is characterised in that step 4) in the work of Ultra-Low Speed die casting
Skill parameter is: system pressure is 12-15MPa, and pressurization time is 10s, and gassing time is 3～5s, is designed as 5-cool time
15s, foundry goods mould remaining time is set as 20～30s.
Automobile turbocharger housing the most according to claim 8, it is characterised in that step 3) in be provided with on mould
Insert and the super cold spot corresponding with described product air holes position, described insert clearance control is at 0.05-0.10mm.
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| CN201610760986.1A CN106244864A (en) | 2016-08-30 | 2016-08-30 | A kind of automobile turbocharger housing and preparation method thereof |
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| CN106521378A (en) * | 2016-12-22 | 2017-03-22 | 东南大学 | Energy-saving efficient heat treatment method for aluminum, silicon and magnesium alloy die castings |
| CN106828148A (en) * | 2016-12-30 | 2017-06-13 | 江苏博众汽车部件有限公司 | A kind of charging pile housing and its manufacture method |
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| CN108977702A (en) * | 2017-05-31 | 2018-12-11 | 比亚迪股份有限公司 | A kind of aluminium alloy and aluminium alloy castings preparation method |
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| CN106828148A (en) * | 2016-12-30 | 2017-06-13 | 江苏博众汽车部件有限公司 | A kind of charging pile housing and its manufacture method |
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| CN108977702B (en) * | 2017-05-31 | 2020-03-31 | 比亚迪股份有限公司 | Aluminum alloy and preparation method of aluminum alloy casting |
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| CN110073016A (en) * | 2017-11-20 | 2019-07-30 | 株式会社中村制作所 | Aluminium alloy turbine wheel shaft nut |
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| CN112813315A (en) * | 2020-12-30 | 2021-05-18 | 重庆百吉四兴压铸有限公司 | High-performance transmission box aluminum alloy |
| WO2022162245A1 (en) * | 2021-02-01 | 2022-08-04 | Trimet Aluminium Se | Aluminium alloy, component made of an aluminium alloy, and method for producing a component made of an aluminium alloy |
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