Stacking-fault formation in [001] small-angle symmetric tilt grain boundaries in cubic zirconia bicrystals

N. Shibata, N. Morishige, T. Yamamoto, Y. Ikuhara, T. Sakuma

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Small-angle symmetric [001] tilt grain boundaries in cubic zirconia bicrystals with misorientation angles 2θ = 1.0° and 2θ = 5.0° have been fabricated by diffusion bonding. High-resolution electron microscopy observations revealed that the 1.0° boundary consists of a periodic array of mixed dislocations with Burgers vector b = (a/2)[101] or b = (a/2)[101], while the 5.0° boundary consists of a periodic array of edge dislocations with Burgers vector b = (a/2)[100], associated with stacking faults at alternate intervals. This suggests that there is a critical angle for structural transitions in the series of the [001] small-angle tilt grain boundaries.

Original languageEnglish
Pages (from-to)175-181
Number of pages7
JournalPhilosophical Magazine Letters
Volume82
Issue number4
DOIs
Publication statusPublished - 2002 Apr
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics

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