Material strength standard of F82H for RCC-MRx
2020
Abstract Non-irradiated and irradiated material properties of a reduced activation ferritic/martensitic steel, F82H, have been extensively accumulated through international collaborative researches. F82H then demonstrates material properties applicable to the structural material of breeding blanket module. At present, material strength standard needs to be developed for the design activity of blanket module. Material strength standard generally gives average, minimum, and design values of mechanical property and their equations complying with the definition in construction code. In this work, we summarized and analyzed the experimental data of tensile, creep, and fatigue properties, and developed the material strength standard for RCC-MRx. Obtained values were then compared to those of Eurofer. Though some minor differences were observed in minimum and average values of tensile and creep properties, no significant differences were observed in their design values. As for fatigue property, F82H showed conservative design curves.
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