Review of advances in development of vanadium alloys and MHD insulator coatings

T. Muroga, J. M. Chen, V. M. Chernov, K. Fukumoto, D. T. Hoelzer, R. J. Kurtz, T. Nagasaka, B. A. Pint, M. Satou, A. Suzuki, H. Watanabe

研究成果: ジャーナルへの寄稿学術誌査読

85 被引用数 (Scopus)

抄録

Recent progress in the development of low activation vanadium alloys and MHD insulator coatings for a Li-self cooled blanket is reviewed. Research progress in vanadium alloys is highlighted by technology for fabricating creep tubes, comparison of thermal creep in vacuum and Li, understanding impurity transfer between vanadium alloys and Li and its impact on mechanical properties, behavior of hydrogen and hydrogen isotopes, low dose irradiation effects on weld joints, and exploration for advanced vanadium alloys. Major remaining issues for vanadium alloys are thermal and irradiation creep, helium effects on high-temperature mechanical properties and radiation effects on low-temperature fracture properties. Er2O3 showed good compatibility with Li, and is promising as a MHD insulator coating on vanadium alloys. Significant progress in coating technology for this material has been made. Recent efforts are focused on multi-layer and in-situ coatings. Tests under flowing lithium conditions with a temperature gradient are necessary for quantitative examination of coating performance.

本文言語英語
ページ(範囲)780-787
ページ数8
ジャーナルJournal of Nuclear Materials
367-370 A
SPEC. ISS.
DOI
出版ステータス出版済み - 8月 1 2007

!!!All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学
  • 材料科学(全般)
  • 原子力エネルギーおよび原子力工学

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