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Comparisons of performances in Ti-V-Al composites with single and multiple in-situ reinforcements

  • Xiaoyang Yi
  • , Yaping Zhuang
  • , Bowen Huang
  • , Kuishan Sun
  • , Xinjian Cao
  • , Weihong Gao
  • , Wenshuo Sun
  • , Xianglong Meng
  • , Zhiyong Gao*
  • , Haizhen Wang*
  • , Yuehai Song*
  • *Corresponding author for this work
  • Yantai University
  • Shandong Nuclear Power Co. LTD
  • Harbin Institute of Technology
  • Shandong Laboratory of Advanced Materials and Green Manufacturing at Yantai
  • Harbin Engineering University

Research output: Contribution to journalArticlepeer-review

Abstract

In the present study, various kinds of in-situ reinforcements were introduced into Ti-V-Al shape memory alloys to enhance strength. The results revealed that the addition of TiB2 and B4C ceramic particles can form TiB whiskers and a mixture of TiB whiskers and TiC particles, respectively. Meanwhile, both TiB2 and B4C ceramic particles can refine grain size of Ti-V-Al shape memory alloys. The addition of TiB2 and B4C ceramic particles caused an increase in martensitic transformation temperature. The grain refinement and introduction of in-situ TiB whisker and TiC particles resulted in an obvious improvement in strength without sacrificing the strain recovery characteristics. For comparison, the addition of B4C ceramic particles can obtain high-performance Ti-V-Al shape memory alloys.

Original languageEnglish
Pages (from-to)454-462
Number of pages9
JournalMaterials Science and Technology (United Kingdom)
Volume39
Issue number4
DOIs
StatePublished - 2023
Externally publishedYes

Keywords

  • Ti-V-Al lightweight shape memory alloy
  • martensitic transformation
  • mechanical properties
  • microstructure

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