4.7 Article

Three-dimensional investigation of recrystallization nucleation in a particle-containing Al alloy

Journal

SCRIPTA MATERIALIA
Volume 67, Issue 4, Pages 320-323

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2012.05.006

Keywords

Aluminum; Cluster/band of particles; Dispersoids; Serial sectioning; Particle-stimulated nucleation

Funding

  1. National Natural Science Foundation of China [50901092, 50911130230]
  2. Danish National Research Foundation

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The effects of an inhomogeneous distribution of second-phase particles on nucleation of recrystallization in a particle-containing aluminum alloy are investigated by 3-D serial sectioning. Clusters and bands of big intermetallic particles are the dominating nucleation sites, but other sites are also active. The effects of nucleation sites and the inhomogeneous particle distribution on the orientation and size of the nuclei are investigated and their relationships are discussed. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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