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Title: Plastic deformation of multicrystalline thin films: grain size distribution vs. grain orientation
Authors: Puri, Saurabh
Roy, Anish
Issue Date: 2012
Publisher: © Elsevier
Citation: PURI, S. and ROY, A., 2012. Plastic deformation of multicrystalline thin films: grain size distribution vs. grain orientation. Computational Materials Science, 52 (1), pp.20-24.
Abstract: A continuum model of plasticity, Mesoscopic Field Dislocation Mechanics (MFDM), is used to study the interplay between grain size and grain orientation on the mechanical response of multicrystalline thin films undergoing plane strain tension. It is shown that the grain size dependence in the case of multicrystals is controlled by those grains which are relatively more susceptible to plastic deformation. This effect is captured to some extent by conventional crystal plasticity theory; however, the explicit incorporation of polar dislocations in the MFDM model significantly enhances the overall mechanical response as demonstrated in the paper.
Description: This is the author’s version of a work that was accepted for publication in the journal Computational Materials Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published at: http://dx.doi.org/10.1016/j.commatsci.2011.03.001
Version: Accepted for publication
DOI: 10.1016/j.commatsci.2011.03.001
URI: https://dspace.lboro.ac.uk/2134/12181
Publisher Link: http://dx.doi.org/10.1016/j.commatsci.2011.03.001
ISSN: 0927-0256
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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