Magnesium alloy sheet is a sheet material made of magnesium alloy, which has a series of unique characteristics and a wide range of applications. The following is a detailed summary of the characteristics and common applications of magnesium alloy sheet:
1. Characteristics of magnesium alloy sheet
Lightweight: The specific gravity of magnesium alloy is about 2/3 of aluminum and 1/4 of iron, and it is one of the lightest metals among practical metals. This gives magnesium alloy sheet a significant advantage in lightweight design and is widely used in fields where weight reduction is required.
High strength and high rigidity: Although magnesium alloy sheet is light in weight, it has high strength and rigidity and can withstand large external forces.
Good cutting performance: The cutting resistance of magnesium alloy is small, about one-tenth of steel and one-third of aluminum alloy. This allows magnesium alloy sheet to be machined at a faster speed, with a long tool life and low processing cost.
Corrosion resistance: Magnesium has good corrosion resistance in the atmosphere, especially high-purity alloy magnesium such as AZ91D, which has much better corrosion resistance than low-carbon steel and has exceeded cast aluminum alloy A380. However, it should be noted that the presence of certain elements such as iron, cobalt, nickel and copper will reduce the corrosion resistance of magnesium alloys.
Excellent shock absorption: Magnesium alloy plates have excellent shock absorption properties and can effectively reduce vibration and noise, so they are widely used in the fields of automobiles, aerospace, etc.
Dimensional stability: Magnesium alloy plates can maintain their dimensional stability for a long time, which is very important for fields that require high-precision processing.
Impact resistance: When magnesium alloy plate die-castings are impacted, the scars produced on their surfaces are smaller than those of iron and aluminum parts, showing good impact resistance.
Thermal conductivity and electromagnetic shielding: Although the thermal conductivity of magnesium alloy plates is not as good as that of aluminum alloys, it is several times higher than that of plastics and can be used for heat dissipation components of electrical products. At the same time, the electromagnetic wave shielding performance of magnesium alloys is worse than that of shielding films electroplated on plastics, so they can be used in occasions that require electromagnetic shielding.
2. Common applications of magnesium alloy plates
Aerospace industry: Magnesium alloy plates are widely used in the aerospace field, such as aircraft fuselages, engine parts, spacecraft, etc. Its light weight and high strength help reduce the total weight of equipment and improve performance and fuel efficiency.
Automobile industry: In the automobile industry, magnesium alloy plates are widely used in automobile shells, wheels, engine parts, etc. The lightweight characteristics of magnesium alloys help to significantly reduce the weight of the car, improve fuel economy and driving performance.
Electronic products: Magnesium alloy plates are also widely used in the manufacture of electronic product shells, mobile phone shells, laptop shells, etc. Its good electromagnetic shielding performance can protect the internal components of electronic products from external electromagnetic interference.
Chemical and electronic industries: Magnesium alloy plates are also used in these fields, such as the manufacture of chemical equipment, support frames and back shells of electronic products, etc.
In summary, magnesium alloy plates have broad application prospects in aerospace, automobiles, electronic products and other fields due to their lightness, high strength, good cutting properties, corrosion resistance, excellent shock absorption, dimensional stability, impact resistance, thermal conductivity and electromagnetic shielding.