Journal
SCRIPTA MATERIALIA
Volume 62, Issue 12, Pages 914-917Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.03.017
Keywords
Grain boundary triple junction; Triple line energy; Driving force of grain growth
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Funding
- Deutsche Forschungsgemeinschaft (DFG) [Go335, RUS113/846/0-2(R)]
- Russian Foundation of Fundamental Research [DFG-RRFI 09-02-91339]
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This paper assesses the contribution of grain boundary triple junctions to the driving force for grain growth and the energetic effect of boundary junctions on grain growth in nanocrystalline materials. The first measurement of grain boundary line tension allows the quantitative estimation of the fraction of the driving force due to boundary triple junctions. For polycrystals with a grain size in the range similar to 50 nm, it is comparable with the driving force from grain boundaries. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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