在金属铝中加入少量的稀土合金(主要成分是铈)可以改善金属的塑性,增强耐磨和抗腐蚀性能。近年来,国内一些生产铝制炊具、食具的厂家进行了这方面的偿试,获得了可喜的成果。然而,由于稀土合金中常含有少量铀、钍等放射性核素,在铝中添 Adding a small amount of rare earth alloy aluminum (the main component is cerium) can improve the plasticity of the metal, and enhance the wear resistance and corrosion resistance. In recent years, some domestic manufacturers of aluminum cookware and utensils have conducted tests in this respect and obtained gratifying results. However, due to rare earth alloys often contain a small amount of uranium, thorium and other radionuclides in the aluminum Tim