Effect of Deformation Twinning in Metastable β-Type Ti-15Mo Alloys

Y. D. Im, H. G. Kim, Y. K. Lee, K. H. Song

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This study was carried out to evaluate the effect of deformation twinning in Ti-15Mo alloys. The material was rolled to reduce the thickness by 88% and recrystallized at 900°C for 10 min. To observe deformation twinning, electron backscattering diffraction was applied, and the grain boundary characteristic distributions were analyzed. Application of rolling and recrystallization promoted development of texture with a {111}//ND component, which was a result of the lower phase stability. In particular, material subjected to tensile strain showed dense deformation twins with a component of {332} <113> that promoted the strength, r, and n values without a significant decrease in elongation. These phenomena are attributed to the enhanced strain-hardening exponent due to deformation twinning.

Original languageEnglish
Pages (from-to)2582-2589
Number of pages8
JournalJOM
Volume70
Issue number11
DOIs
Publication statusPublished - 2018 Nov 1

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)

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