Introduction to Aluminum Alloy Materials

An alloy based on aluminum with a certain amount of other alloying elements added is one of the light metal materials. Aluminum alloys not only have the general characteristics of aluminum, but also have some specific characteristics of alloys due to the different types and quantities of alloying elements added. The density of aluminum alloy is 2.63-2.85g/cm3, with a high strength (σ b of 110-650MPa), a specific strength close to high alloy steel, and a specific stiffness higher than steel. It has good casting and plastic processing properties, good electrical and thermal conductivity, good corrosion resistance and weldability, and can be used as structural materials. It has a wide range of applications in aerospace, aviation, transportation, construction, electromechanical, lightweight and daily necessities.