It is found that yt-tria has a good stability to liquid uranium and its alloys at high temperature, and it is well suitable for coating of graphite crucible for melting uranium and its alloys.

• 结果表明:氧化钇对铀和铀合金熔体的化学稳定性最佳,是熔铸铀和铀合金石墨坩埚的理想涂层材料。