On the mechanical properties of TiNb based alloys

Y. Guo, K. Georgarakis, Y. Yokoyama, A. R. Yavari

研究成果: Article査読

50 被引用数 (Scopus)

抄録

A series of TiNb(Sn) alloys were synthesized by copper mold suction casting and subjected to different heat treatments (furnace cooling or water quenching). The microstructure, thermal and mechanical properties of the as-cast and heat treated samples were investigated. For the Ti-8.34 at.% Nb alloy, the as-cast and water quenched samples possess martensitic α′′ phase at room temperature and compression tests of these samples show occurrence of shape memory effect. For β phase Ti-25.57 at.% Nb alloys, stress-induced martensitic transformation was found during compression in the as-cast and water quenched samples. For the ternary Ti-25.05 at.%Nb-2.04 at.%Sn alloy, conventional linear elastic behavior was observed. It is shown that the addition of Sn increases the stability of the β phase. The Young's moduli of these alloys were also measured by ultrasonic measurements. Water-quenched Ti-25.57 at.%Nb alloy was found to exhibit the lowest Young's modulus value. Sn addition has small impact on the Young's moduli of the TiNb alloys.

本文言語English
ページ(範囲)25-30
ページ数6
ジャーナルJournal of Alloys and Compounds
571
DOI
出版ステータスPublished - 2013 9月 15
外部発表はい

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 金属および合金
  • 材料化学

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