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2012年,奥巴马政权公布了新燃油消耗标准。汽车厂商为了提高燃油经济性,进行各种各样的技术开发,其中焦点放在汽车的轻量化上面。车身重量越轻,所消耗的燃油越少。除了采用碳纤维复合材料之外,还推动金属材料的轻量化。Brigham Young University大学的Michael Miles教授研究小组开发了高强度钢铁与轻量化铝焊接在一起的技术。从前铁与铝焊接技术
In 2012, the Obama administration announced new fuel consumption standards. Car manufacturers in order to improve fuel economy, a wide range of technology development, focusing on the lightweight car above. The lighter body weight, the less fuel consumed. In addition to using carbon fiber composite materials, but also promote the lightweight metal materials. Professor Michael Miles’s team at Brigham Young University University has developed a technology that combines high-strength steel with lightweight aluminum. Previous iron and aluminum welding technology