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摘要：
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轻量化是当前汽车工业的发展方向,材料加工技术的创新是汽车轻量化的关键所在,这主要表现在两个方面:一是新型高强度或(和)低密度轻质材料的开发和轻质零件的制备,用其取代传统钢铁零部件,可以大大减轻汽车自重,如高强度钢、铝、镁合金等金属材料以及高分子材料和复合材料等;其二是采用新的成形工艺实现零件及车身部件结构的简化和轻型化,节约生产材料、提高工作性能,如剪裁毛坯、液压成形、零件轧制、发泡铝成形、激光焊接等。最后还展望了汽车轻量化的发展趋势。
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Reducing the weight of automobile is the current trend in automobile industry.It pointed out that innovation in forming technologies could be the key.The innovation in forming technologies and lightweight cars was introduced.The innovations focused on the following two aspects: the first was the development of new lightweight materials with high strength and low density and the production of lightweight automotive parts to replace the conventional steel and iron parts,such as high strength steel,aluminum, magnesium,polymers and compound materials;the other was using advanced forming technologies to reduce material consumption and increase the operating efficiency,such as tailoring blank,hydraulic forming,foamed aluminum,rolling and laser welding,etc.At last,it illustrated the prospect of lightweight automobile industry.
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基金项目：
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广东省科技计划项目(2006B11901004)
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作者简介：
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参考文献：
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