Types Of Automotive Aluminum Alloy

By Author: yang huimin
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Automotive aluminum alloy is the most widely used non-ferrous metal structure material in the industry. Its physical properties are low density, high strength, and good plasticity. It can be processed into various profiles and has excellent electrical conductivity, thermal conductivity, and corrosion resistance. Widely used in the industry.

High strength and lightweight are the key directions of my country’s industrial development. There is a high degree of correlation between lightweight and the application of new materials. At present, steel in industrial manufacturing is still the main basic material, but new materials such as aluminum alloy, magnesium alloy, and engineering plastics The pace of substitution of aluminum alloys is gradually accelerating. With the successful development of high-strength and high-quality aluminum alloy materials and continuous improvement of processes, the application scope and scale of aluminum alloys will become larger and larger.

Types of Automotive aluminum alloy
There are many types of Automotive aluminum alloy materials. The main applications in automobiles include ...
... 2 series, 5 series, 6 series, and 7 series aluminum. The forms include plates, profiles, tubes, and high-performance cast aluminum. The mechanical properties of different grades of aluminum alloys will also vary greatly. The mechanical performance parameters of traditional metal materials mainly include the elastic modulus, Poisson's ratio, yield strength, tensile strength, elongation, etc. of the material under static conditions, but the high strain rate experienced by a car during a car crash is often in the range of 0-1000 /s in the magnitude range, and the deformation/fracture mode of the material is not only in uniaxial tension conditions. The changes in these loading conditions have a great influence on the mechanical response of aluminum alloy materials.

From the aspects of high speed, comfort, beauty, durability, lightweight, energy-saving, environmental protection, and comprehensive cost reduction, Automotive aluminum alloy is undoubtedly the material of choice for the modernization and lightweight of the automotive industry. Many countries in the world are working on automobiles. Research with aluminum alloy. The fuel consumption can be reduced by 0.7L/km for every 100kg reduction in the vehicle's own weight. Therefore, replacing steel materials with aluminum alloys to minimize the weight of automobiles has become a current research focus. Aluminum alloys for automobiles are mainly divided into cast aluminum alloys and deformed aluminum alloys. Cast aluminum alloys are mainly used in engine cylinder blocks, cylinder heads, wheels, and brake parts. Deformable aluminum alloys are mainly used in automobile body panels, body frames, engine radiator parts, etc. However, the use of automotive aluminum alloy also faces many problems. For example, aluminum alloy is more difficult to process than steel, and the formability needs to be improved; due to the good thermal conductivity of aluminum, the welding performance of automotive aluminum alloy is poor; in addition, cost control The use of alloys is very important, so the all-aluminum body is limited to high-end models. As energy and environmental crises continue to intensify, national energy conservation and emission reduction laws and regulations continue to increase the requirements of regulations. As a new lightweight material for automobiles, the aluminum alloy will be applied to more models. In industrial production and design, the application of steel-aluminum hybrid body Will become mainstream.