Impact properties of low activation vanadium alloy after low-temperature neutron irradiation at 450°C and below

Takuya Nagasaka, Takeo Muroga, Takeshi Miyazawa, Hideo Watanabe, Masanori Yamazaki

研究成果: Article査読

2 被引用数 (Scopus)

抄録

A reference low-activation vanadium alloy NIFS-HEAT-2 was neutron-irradiated at 450° C and below, in order to estimate the resistance to low temperature irradiation. DBTT of NIFS-HEAT-2 was-85°C after irradiation up to 8.5 dpa at 450° C in Na atmosphere, while DBTT was below-196°C for 3.7 dpa at 430°C in Li atmosphere. On the other hand, DBTT was lower than about-90° C for the irradiation up to 0.1~1 dpa at 60, 290 and 400° C. The DBTT shift was increased with increasing hardness after neutron irradiation for limited irradiation conditions. The mechanisms of DBTT shift and irradiation hardening at low temperature was discussed.

本文言語English
ページ(範囲)379-383
ページ数5
ジャーナルFusion Science and Technology
60
1
DOI
出版ステータスPublished - 2011
外部発表はい

ASJC Scopus subject areas

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

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