The following is an introduction to silver-white magnesium alloy :
characteristic
Physical properties: low density, about 2/3 of aluminum alloy and 1/4 of steel, light weight; silvery white metallic luster, good electrical conductivity, thermal conductivity and electromagnetic shielding properties.
Mechanical properties: high specific strength and specific stiffness, and better strength-to-weight ratio than many traditional metal materials; good seismic resistance, can effectively absorb vibration energy, and reduce noise and vibration.
Chemical properties: It has active chemical properties and is easily oxidized in the air to form an oxide film, which can protect the internal metal to a certain extent; it has poor corrosion resistance and is easily corroded in acidic, neutral and weakly alkaline solutions.
Production and processing
Melting: Reverberatory furnaces and crucible furnaces are commonly used. The charge must be covered with flux during the entire heating process to prevent oxidation of the magnesium alloy melt. A small amount of beryllium is often added.
Casting: Semi-continuous casting method is often used to obtain ingots. Casting needs to be carried out under a protective atmosphere or in a closed system, such as with sulfur dioxide gas or argon protection.
Plastic processing: including rolling, extrusion, forging, etc., generally requires hot processing or warm processing technology. Coarse grains are easily formed during processing, and grain refinement measures are required during smelting.
Application Areas
3C electronics: The outer shells of electronic products such as mobile phones, laptops, cameras, etc., can reduce product weight and protect internal components by utilizing its light weight, high strength, and good electromagnetic shielding properties.