一、前言我国稀土金属在有色合金中应用,主要集中在铝、镁、铜三个合金系方面,多年以来,科研生产互相配合,利用稀土元素独特的物理、化学性质,针对不同的应用需求,开发出众多的含稀土合金材料,其性能大大 First, the preface China’s rare earth metal in nonferrous alloys, mainly concentrated in the aluminum, magnesium, copper three alloys, for many years, scientific research and production complement each other, the unique physical and chemical properties of rare earth elements, for different application requirements, Developed a large number of rare earth-containing alloy materials, its performance greatly