Nature Communications (Mar 2020)

Transforming solid-state precipitates via excess vacancies

  • Laure Bourgeois,
  • Yong Zhang,
  • Zezhong Zhang,
  • Yiqiang Chen,
  • Nikhil V. Medhekar

DOI
https://doi.org/10.1038/s41467-020-15087-1
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 10

Abstract

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Exactly how seemingly simple solid-state precipitation occurs in alloys remains elusive. Here, the authors show that excess vacancies introduced into a nanoscale, irradiated or deformed aluminium-copper alloy enable template-directed nucleation of the known strengthening phase θʹ.