Journal
SCRIPTA MATERIALIA
Volume 62, Issue 6, Pages 403-406Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.11.038
Keywords
Nanocrystalline nickel; Texture; Hall-Petch effect; Grain boundaries
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The effect of the distribution of grain orientations on the mechanical behaviour of nanostructured nickel samples obtained by electrodeposition is explored The dependence of grain size oil flow stress is accurately described by the Hall-Petch relationship over a large range of grain sizes (d > 20 nm) The Hall-Petch slope k depends on orientation texture in relation to the distribution of gram boundaries The occurence of two competing physical mechanisms, grain boundary shearing and dislocation emission at grain boundaries. is suggested to explain the experimental data (C) 2009 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved
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