Compatibility of lithium titanite fused crystals with nickel foils

Shoichi Nasu, Shinji Nagata, Katsumi Takahiro, Kiichiro Yoshii, Kentaro Ohhashi, Ryusei Otsuki, Sadae Yamaguchi, Tatsuo Shikama

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We examined the compatibility of lithium titanite (Li2TiO 3, tritium breeding materials) fused crystals with nickel (Ni) foils by Rutherford backscattering spectroscopy (RBS) after heat-treatments at 673 K, 773 K and 873 K for 600 min in vacuum (10-6 Pa). An inter diffusion of Ni and titanium (Ti) atoms at 773 K followed a diffusion of a small amount of Ni atoms into the surface of Li2TiO3 at 673 K. At 873 K, Ti and oxygen (O) atoms reached the front surface of the Ni foil and Ni atoms migrated into the Li2TiO3 crystal. In addition, we estimated the diffusion constants at 873 K for Ti and O in Ni.

Original languageEnglish
Pages (from-to)423-426
Number of pages4
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume52
Issue number6
DOIs
Publication statusPublished - 2005 Jun

Keywords

  • Diffusion
  • Lithium titanite
  • Nickel
  • Rutherford backscattering spectroscopy
  • Tritium breeding materials

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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