Indentation fracture toughness of neutron irradiated silicon carbide

S. Nogami, A. Hasegawa, L. L. Snead

研究成果: Article査読

27 被引用数 (Scopus)

抄録

The indentation fracture toughness and other mechanical properties (elastic modulus and hardness) of high-purity stoichiometric chemical vapor deposition processed-SiC under neutron irradiation in a dose range of 1024-1025 n/m2 (En > 0.1 MeV) at the temperature range of 80-1150 °C were investigated. Indentation fracture toughness decreased slightly at the temperatures below 400 °C, and increased above 400 °C, for example, from 5.08 MPa m-1/2 (non-irradiated) to 6.52 MPa m-1/2 (800 °C neutron irradiated). Mechanical properties investigated in this study were significantly dependent on the irradiation temperature up to 1150 °C, while generally independent on the irradiation dose up to 7.7 dpa signifying low-dose saturation.

本文言語English
ページ(範囲)1163-1167
ページ数5
ジャーナルJournal of Nuclear Materials
307-311
2 SUPPL.
DOI
出版ステータスPublished - 2002 12

ASJC Scopus subject areas

  • 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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