The importance of grain boundary complexions in affecting physical properties of polycrystals

Shen J. Dillon, Kaiping Tai, Song Chen

Research output: Contribution to journalReview article

Abstract

In recent decades researchers have revealed a rich variety of grain boundary segregation phenomena, including interfacial phase, or complexion, transitions. Grain boundary complexion transitions have been shown to induce discontinuous changes in materials properties as a function of temperature and chemical potential, and have been used to explain phenomena that had previously evaded satisfactory explanation. This review article discusses how grain boundary complexions relate to mass transport and mechanical properties, by highlighting both what is understood and emphasizing topics requiring additional study.

Original languageEnglish (US)
Pages (from-to)324-335
Number of pages12
JournalCurrent Opinion in Solid State and Materials Science
Volume20
Issue number5
DOIs
StatePublished - Oct 1 2016

Keywords

  • Complexion
  • Diffusion
  • Grain boundary
  • Grain growth

ASJC Scopus subject areas

  • Materials Science(all)

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