Accommodative {1012} twins at high angle grain boundaries in rolled pure titanium

Shun Xu, Christophe Schuman*, Jean Sébastien Lecomte

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

48 Citations (Scopus)

Abstract

The intersection of two {1012} twins has been extensively reported in hexagonal metals and appears at grain boundaries with low misorientation angles. In the current work, compression was applied along the normal direction of rolled pure titanium. Primary {1122} contraction twins accommodated by adjacent {1012} extension twins were found at high angle grain boundaries with misorientation angles close to 90°. The mechanism accounting for the variant selection of the adjoined {1012} twins is examined in terms of Schmid factor and accommodation capacity of potential twin variants.

Original languageEnglish
Pages (from-to)152-156
Number of pages5
JournalScripta Materialia
Volume116
DOIs
Publication statusPublished - 15 Apr 2016
Externally publishedYes

Keywords

  • Accommodation
  • Grain boundary
  • Titanium
  • Twinning

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