What Is The Difference Between Aluminum And Aluminum Alloy

Zinc alloys are alloys based on zinc and supplemented with other elements. Common alloying elements include low temperature zinc alloys such as aluminum, copper, magnesium, cadmium, lead and titanium. Zinc alloy has low melting point, good fluidity, easy fusion welding, brazing and plastic processing, corrosion resistance in the atmosphere, and easy recovery and remelting of disabled materials; However, the creep strength is low and the size change is easy to occur due to natural aging. Prepared by melting, die casting or pressure processing. According to the manufacturing process, it can be divided into cast zinc alloy and deformed zinc alloy.

Aluminum alloy is a general term for aluminum - based alloys. The main alloying elements are copper, silicon, magnesium, zinc, manganese, and the minor alloying elements are nickel, iron, titanium, chromium, lithium, etc. Aluminum alloy is one of the most widely used non-ferrous structural materials in industry. It has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. With the rapid development of science and technology as well as industrial economy in recent years, the demand for aluminum alloy welded structural parts is increasing day by day, so that the research of aluminum alloy weldability is also in-depth. The wide application of aluminum alloy has promoted the development of aluminum alloy welding technology, and the development of welding technology has expanded the application field of aluminum alloy, so the welding technology of aluminum alloy is becoming one of the hot spots of research. The density of pure aluminum is small (ρ=2.7g/cm3), about iron

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