【摘要】 介绍了稀上在铝合金铸造中的作用，以及它对铝合金组织、性能的影响．认为应用稀土变质和精炼工艺为创造环保型铸造业提供了一种极好的选择，而且是提高我国应用及开发稀土新材料技术，实现稀土资源优势向技术优势转化的根本出路．更多还原

【Abstract】 The application of rare earth alloy in Al-alloy casting is summed up this paper, as well as its effect on the structure and property of Al-alloy.Because modifying and refining technologies with rare-earth alloy never pollute the environment, it will be one of the best cheice for green and integral foundry.And it is very important for China to enhance the application level of high-tech in its rare earth industry and to develop rare earth new materials and their application in the high-tech field.That is the essential way to transform the superiority of abundant rare earth resources into the superiority of technology.更多还原