Effects of neutron irradiation on tensile properties of V-Ti-Cr-Si type alloys with pre-existing helium

M. Satou, T. Chuto, H. Koide, A. Hasegawa, K. Abe

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

Helium effect on loss of uniform elongation after low-temperature neutron irradiation of the V-Ti-Cr-Si-Al-Y alloy was studied. Helium implantation to about 30 atomic ppm was carried out before neutron irradiation to 50 dpa at 406°C. The yield stress of the irradiated specimen with helium pre-implantation was slightly smaller than that of irradiated specimens without helium. The uniform elongation and the increase in yield stress of the irradiated specimens were not affected by helium pre-implantation at ambient temperature. It might be possible that the helium effect appears after lower temperature irradiation such as 300°C or lower, which corresponds to the temperature range where the loss of uniform elongation of the alloy is particularly pronounced.

Original languageEnglish
Pages (from-to)591-596
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume540
Publication statusPublished - 1999 Jan 1
Externally publishedYes
EventProceedings of the 1998 MRS Fall Meeting - The Symposium 'Advanced Catalytic Materials-1998' - Boston, MA, USA
Duration: 1998 Nov 301998 Dec 3

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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