In recent years, a new material with the rise of new energy vehicles has attracted wide attention, that is - magnesium alloy. Automotive lightweight and intelligent technology has become a new trend in the global automotive industry. In recent years, with the pressure and development trend of global energy conservation and emission reduction, countries have formulated strict standards and regulations for passenger vehicle fuel consumption. Under the background of carbon neutrality, countries have put forward more stringent requirements for passenger vehicle fuel consumption and corresponding CO2 emissions, and the lightweight of cars is the development trend of the world's automobiles. What is automotive lightweight materials?automotive materials change from steel, to iron, to aluminum, to magnesium , is a effective trend . The density of the lightest magnesium alloy, AZ91D, is 1.81-1.83g/cm3, about 2/3 that of aluminum, 1/4 that of zinc, less than 1/4 that of steel or cast iron, and close to that of engineering plastics....
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