Theoretically speaking, the metal parts of the whole car can be basically made of aluminum alloy.
Aluminum alloy is a kind of non-ferrous structural material widely used in industry, which has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and construction industries. With the rapid development of industrial economy, the demand for welding structure of aluminum alloy is increasing day by day, so the research on welding property of aluminum alloy is also in-depth.
Aluminum alloy has low density, but high strength, close to or more than steel, good plasticity, can be processed into a variety of aluminum profiles, with excellent electrical conductivity, thermal conductivity and corrosion resistance, widely used in industry, the use of only steel. Some aluminum alloys can be heat treated to obtain good mechanical properties, physical properties and corrosion resistance. Duraluminums belong to AI-Cu-Mg series, generally contain a small amount of Mn, and can be strengthened by heat treatment. It is characterized by high hardness, but poor plasticity. Superdural belongs to Al Cu-MG-Zn series and can be strengthened by heat treatment. It is the strongest aluminum alloy at room temperature. But poor corrosion resistance, high temperature softening fast. Forged aluminum alloy is mainly Al-Zn-MG-Si alloy, although the element added more kinds, but less content, so it has excellent thermoplasticity, suitable for forging, so it is also called forged aluminum alloy.
At present, it is more widely used in cars:
1, all aluminum engine. There are a lot of models that are used, so I don't want to give you an example.
2. All aluminum body. The more common is the Audi A8.
3. Wheel hub.
4. Some parts. Such as the suspension system in the horn, swing arm and so on.
5. Some peripheral products. Such as the roof rack.
The advantage of aluminum alloy is light, but the cost is also higher, and there are some physical characteristics of the limit, the application of automotive is also limited.
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