Ferritic steel-blanket systems integration R&D - Compatibility assessment

A. Kimura, R. Kasada, A. Kohyama, S. Konishi, M. Enoeda, M. Akiba, S. Jitsukawa, S. Ukai, T. Terai, A. Sagara

研究成果: Conference article

14 引用 (Scopus)


The reduced activation ferritic steel (RAFS) has been selected as structural material for a variety of blanket systems for ITER test blanket modules (TBM). In the evaluation of integrated performance of ferritic steels as structural components of blanket systems, there are unique issues as well as common issues for each blanket system. One of the unique issues for each system is the compatibility of ferritic steels with the coolant materials. The corrosion rate of ferritic steels in hot water, super critical pressurized water (SCPW), humid air, Pb-17Li, lithium and Flibe at various temperatures is reviewed in this work. Efforts to improve corrosion resistance have been made, taking the alloy design into account. A dispersion of yttria was effective to improve corrosion resistance of a RAFS. The compatibilities of RAFSs with hot water, Pb-17Li, lithium and Flibe are considered to be good enough for the TBM applications. The liquid metal embrittlement (LME) is considered to be a critical issue for the utilization of RAFSs for the lithium systems. Several issues towards DEMO and beyond are shown from the compatibility point of view.

ジャーナルFusion Engineering and Design
発行部数8-14 PART B
出版物ステータスPublished - 2006 2 1
イベントProceedings of the Seventh International Symposium on Fusion Nuclear Technology ISFNT-7 Part B -
継続期間: 2005 5 222005 5 27

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

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    Kimura, A., Kasada, R., Kohyama, A., Konishi, S., Enoeda, M., Akiba, M., Jitsukawa, S., Ukai, S., Terai, T., & Sagara, A. (2006). Ferritic steel-blanket systems integration R&D - Compatibility assessment. Fusion Engineering and Design, 81(8-14 PART B), 909-916. https://doi.org/10.1016/j.fusengdes.2005.09.018