Real-time in situ nanoclustering during initial stages of artificial aging of Al-Cu alloys

Nadia A. Zatsepin, Ruben A. Dilanian, Andrei Y. Nikulin, Xiang Gao, Barry C. Muddle, Victor N. Matveev, Osami Sakata

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We report an experimental demonstration of real-time in situ x-ray diffraction investigations of clustering and dynamic strain in early stages of nanoparticle growth in Al-Cu alloys. Simulations involving a simplified model of local strain are well correlated with the x-ray diffraction data, suggesting a redistribution of point defects and the formation of nanoscale clusters in the bulk material. A modal, representative nanoparticle size is determined subsequent to the final stage of artificial aging. Such investigations are imperative for the understanding, and ultimately the control, of nanoparticle nucleation and growth in this technologically important alloy.

Original languageEnglish (US)
Article number024303
JournalJournal of Applied Physics
Volume107
Issue number2
DOIs
StatePublished - 2010

ASJC Scopus subject areas

  • General Physics and Astronomy

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