Nano Archive

Nanoparticles as dislocation sources in nanocomposites

Ovid'ko, I A and Sheinerman, A G (2006) Nanoparticles as dislocation sources in nanocomposites. Journal of Physics: Condensed Matter, 18 (19). L225-L232.

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A new mechanism for nucleation of dislocation dipoles at nanoparticles (nanoinclusions) in nanocomposite solids is suggested and theoretically described. The mechanism represents the nucleation of a nanoscale dipole of 'non-crystallographic' partial dislocations whose Burgers vector magnitudes continuously grow during the nucleation process. It is shown that the dislocations nucleated at nanoparticles can be emitted into a matrix in nanocomposites deformed at high mechanical stresses.

Item Type:Article
ID Code:5405
Deposited By:Prof. Alexey Ivanov
Deposited On:06 Feb 2010 11:11
Last Modified:06 Feb 2010 11:53

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