汽车车身轻量化材料的应用及发展

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The body lightweight plays a very important role in the car lightweight. Application of the lightweight material is the main way of present body. It analyzes several characteristics of the lightweight materials, describes the body structure characteristics and performance requirements, reviews the lightweight materials at home and abroad, presents the application in automobile body and its development trend.车身轻量化在汽车轻量化中起着非常重要的作用，采用轻质材料是当前车身轻量化的主要途径。分析了几种轻量化材料的特点，针对车身结构特点及性能要求，综述了轻量化材料在国内外汽车车身中的应用及其发展趋势。