Quenched-in vacancies in a β Ti-Nb-Sn alloy studied by positron lifetime spectroscopy

Y. Nagai, T. Toyama, Z. Tang, M. Hasegawa, H. Matsumoto, S. Hanada

研究成果: Article査読

18 被引用数 (Scopus)

抄録

Quenched-in vacancies in a β Ti-Nb-Sn alloy are studied by positron annihilation spectroscopy. It has been reported that the superelastic properties of the alloy are strongly affected by the quenching temperature between 700 and 900 °C, as a consequence of the different concentrations of quenched-in vacancies. However, the present positron lifetime experiments and the corresponding first-principles calculations show that the vacancy concentration is very low (sub ppm level) for all specimens quenched from 700, 800 and 900 °C, suggesting that the variation in superelastic properties should be attributed to other factors.

本文言語English
ページ(範囲)1751-1753
ページ数3
ジャーナルScripta Materialia
54
10
DOI
出版ステータスPublished - 2006 5

ASJC Scopus subject areas

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

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