Journal
SCRIPTA MATERIALIA
Volume 64, Issue 3, Pages 245-248Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.10.013
Keywords
Particulate reinforced composites; Accumulative roll bonding (ARB); Ultrafine grained microstructure; Severe plastic deformation (SPD); Graded materials
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Funding
- German Research Council (DFG)
- University of Erlangen-Nurnberg
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Ceramic nanoparticles produced by comminution are introduced homogeneously during accumulative roll bonding (ARB) in aluminium AA1050A by airgun spraying from a stabilized aqueous suspension. In the so-produced nanoparticle-reinforced ultrafine-grained material, acceleration of microstructural evolution during the early ARB cycles as well as reduced grain sizes at higher cycles are observed, both caused by additional local straining around the embedded nanoparticles and accompanied by further strengthening. The presented method of nanoparticle application allows homogeneous as well as graded particle distribution. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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