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The important role of high strength, high thermal conductivity of magnesium alloy materials!
Release time: 2024-05-22
With the continuous development of aviation, aerospace, a new generation of weapons and equipment, high-speed rail, new energy vehicles, etc., the number and arrangement density of high-power density electromagnetic devices continue to increase, and the heat generated during operation must be exported immediately, otherwise the temperature will be too high. Seriously affect the stability and reliability of equipment operation, and greatly shorten the service life of various equipment.
Therefore, how to quickly and effectively remove the heat generated by the equipment under the background of lightweight is an important problem to be solved. The complete production technology of high-strength and high-thermal-conductivity magnesium alloy materials and their products is an advanced basic material and key technology to support the development of thermal components such as aircraft, high-speed rail, automobiles, and computers. It plays an important role [6]. By 2035, it will replace more than 30% of the use of similar common high thermal conductivity alloy materials. Conventional high thermal conductivity metals such as Ag and Cu are difficult to meet the requirements of practical applications due to their high density (about 10.5g/cm3 and 8.9g/cm3, respectively) and high price.
Magnesium alloy has the advantage of low density and is one of the potential material systems to meet the application requirements. However, the thermal conductivity of commonly used magnesium alloys is still significantly lower than that of aluminum alloys. Therefore, the preparation and processing technology of high strength and high thermal conductivity magnesium alloy materials and their products with thermal conductivity> 125W/(m · K) is the main direction of development in this field.
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