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Title: Plastic deformation of polycrystalline aluina introduced by scaled-down drop-weight impacts
Authors: Wade, James
Robertson, Stuart
Zhu, Ying
Wu, Houzheng
Keywords: Polycrystalline alumina
Plastic deformation
Drop-weight impact
Issue Date: 2016
Publisher: © Elsevier
Citation: WADE, J. ... et al, 2016. Plastic deformation of polycrystalline aluina introduced by scaled-down drop-weight impacts. Materials Letters, 175, pp. 143 - 147.
Abstract: We present our findings after scaled-down drop-weight tests, performed under relatively low loading conditions and employing a small-scale spherical indenter as a projectile, to boost the strain rate and energy density of the impact, resulted in the generation of a cavity of measurable depth on the surface of a pure, fully dense, alumina ceramic. We demonstrate that activated dislocations are a main contributor in the formation of the residual impression with an estimated maximum density of ~4.02×1014 m−2.
Description: This paper was accepted for publication in the journal Materials Letters and the definitive published version is available at http://dx.doi.org/10.1016/j.matlet.2016.04.023
Version: Accepted for publication
DOI: 10.1016/j.matlet.2016.04.023
URI: https://dspace.lboro.ac.uk/2134/21023
Publisher Link: http://dx.doi.org/10.1016/j.matlet.2016.04.023
ISSN: 1873-4979
Appears in Collections:Published Articles (Materials)

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