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低活化铁素体/马氏体钢(RAFM钢)被普遍认为是未来聚变示范堆和聚变动力堆的首选结构材料。国际上给予了高度重视,许多国家都在研发其特有的RAFM钢。中科院等离子体物理研究所在与国内外多家单位的合作下发展了中国低活化马氏体钢———CLAM。本文总结了CLAM钢研制发展的主要进展,包括其成分优化设计、冶炼加工制备工艺、物理性能、机械性能、辐照性能及与液态LiPb的相容性等测试与研究以及各种焊接工艺研究等,并对今后的发展方向进行了展望。
Low-activation ferrite / martensitic steel (RAFM steel) is generally considered as the preferred structural material for future fusion demonstration reactors and fusion power reactors. International attention has been given, many countries are developing its unique RAFM steel. Institute of Plasma Physics, Chinese Academy of Sciences and many units at home and abroad with the cooperation of the development of China’s low activation martensitic steel --- CLAM. This paper summarizes the main progress of the research and development of CLAM steel, including the testing and research of its composition optimization design, smelting processing and preparation technology, physical properties, mechanical properties, radiation properties and compatibility with liquid LiPb, as well as various welding technology research , And prospects for the future direction of development.