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中文摘要：
介绍了国内外低活化铁素体／马氏体（RAFM）钢的研究进展及发展趋势；分析了RAFM钢中可能出现的合金元素的作用以及辐照前后RAFM钢的组织结构、辐照硬化及辐照脆性现象。认为通过沉淀强化与弥散强化手段可以提高现有RAFM钢的高温力学性能；12Cr3WRAFM钢与氧化物弥散强化RAFM钢是很有希望的超临界水堆包壳管用候选结构材料。
英文摘要：
The research progress and developing trend of reduced activation ferritic/martensitic steels were introduced. The effects of alloy elements present in RAFM steels were analyzed. The microstructure of RAFM steels before and after irradiation, irradiation hardening and irradiation embrittlement were described. The results showed that elevated temperature mechanical properties of RAFM steels could be improved by precipitation strengthening and dispersion strengthening methods, and 12Cr3W RAFM and oxide dispersion strengthened RAFM steels were considered as promising candidate structure materials for fuel cladding tube in supercritical water cooled reactor.
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