How about aluminum-magnesium alloy shell?

The application of magnesium aluminum alloy is mainly concentrated in magnesium alloy with aluminum alloy as additive element, die casting preparation, iron and steel desulfurization three aspects, among which the magnesium used in die casting magnesium alloy has exceeded 30% of the total magnesium consumption. Magnesium alloy die castings are widely used in electronics, automotive, aerospace and other fields. Table 1 shows the application scope of magnesium alloy parts. The consumption of magnesium alloy die casting parts in the automobile industry accounts for more than 80% of the magnesium used in die casting. Therefore, the research and development of magnesium alloy die casting automobile parts will directly affect the application and development of magnesium alloy. Magnesium alloys have been used in automobiles for many years. In 1936, Volkswagen introduced Beetle, which uses more than 18kg of magnesium alloy in its engine and transmission system. By the early 1980s, Volkswagen had produced 19 million Beetle cars, using 380,000 tons of magnesium alloy. Into the 80 s, due to some technical problems are solved such as the corrosion resistance of magnesium alloy, magnesium alloy used to get a bigger development, especially since the late 80 s, with magnesium prices decline, the increase of human demand for oil, emphasis on environmental problems and the development of energy conservation and emissions reduction, promoted to the green environmental protection material development and application of magnesium alloys. The application and development trend of magnesium alloys in the automotive field can be seen from the application and development status of magnesium alloys in the three major American automobile companies. In 1983, there were only 5 parts for magnesium alloy die castings used by the three major American companies. In 1992, there were 30 parts for Ford and 45 parts for GENERAL Motors, but now magnesium alloy products have been widely used. At present, magnesium alloy is not only widely used in automobile parts, but also in the shell of electronic computers. Therefore, the future development of magnesium alloy will not only be widely used in the electronic industry, but also in the automobile and locomotive parts.

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