Nature Communications (Oct 2019)

Size-dependent diffusion controls natural aging in aluminium alloys

  • Phillip Dumitraschkewitz,
  • Peter J. Uggowitzer,
  • Stephan S. A. Gerstl,
  • Jörg F. Löffler,
  • Stefan Pogatscher

DOI
https://doi.org/10.1038/s41467-019-12762-w
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 6

Abstract

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Aluminium alloys can naturally age and form microstructural clusters that affect their mechanical properties. Here, the authors show that nanosized samples do not under undergo natural aging because diffusion-controlled clustering processes are inhibited.