论文部分内容阅读
锆因其熔点高(1852℃)、机械强度高、耐腐蚀和中子吸收率低等特点而被广泛应用于核工业。尤其是在核反应堆中,Zr及其合金(2%～10%,质量分数)通常用于核燃料组件的包壳材料。当前,直接电解还原固态氧化物制备金属已被证实是一种流程简单、能耗低的新技术而被广为应用。另外,ZrO2和UO2的分解电压很接近(ZrO2,2.370V;UO2,2.374V,700℃),因此,前期旨在通过非
Zirconium is widely used in the nuclear industry because of its high melting point (1852 ° C), high mechanical strength, corrosion resistance and low neutron absorption. Especially in nuclear reactors, Zr and its alloys (2% -10%, mass fraction) are commonly used as cladding materials for nuclear fuel assemblies. Currently, direct electrolytic reduction of solid oxide to metal has proven to be a simple process with low energy consumption and is widely used in new technologies. In addition, the decomposition voltage of ZrO2 and UO2 is very close (ZrO2, 2.70 V; UO2, 2.374 V, 700 C), and therefore,