On the effects of powder morphology on the post-comminution ballistic strength of ceramics

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dc.contributor.author Appleby-Thomas, Gareth J.
dc.contributor.author Wood, D. C.
dc.contributor.author Hameed, Amer
dc.contributor.author Painter, Jonathan
dc.contributor.author Fitzmaurice, Brianna C.
dc.date.accessioned 2016-11-08T13:59:41Z
dc.date.available 2016-11-08T13:59:41Z
dc.date.issued 2016-10-29
dc.identifier.citation Appleby-Thomas GJ, Wood DC, Hameed A, Painter J, Fitzmaurice B, (2016), On the effects of powder morphology on the post-comminution ballistic strength of ceramics. International Journal of Impact Engineering, Volume 100, February 2017, Pages 46-55
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/10959
dc.identifier.uri https://doi.org/10.1016/j.ijimpeng.2016.10.008
dc.description.abstract In this paper in order to try and elucidate the effects of particle morphology on ballistic response of comminuted systems, a series of experiments were carried out via the use of powder compacts with differing initial particle morphologies. This approach provided a route to readily manufacture comminuted armour analogues with significantly different microstructural compositions. In this study pre-formed `fragmented-ceramic' analogues were cold-pressed using plasma-spray alumina powders with two differing initial morphologies (angular and spherical). These compacts were then impacted using 7.62-mm FFV AP (Förenade Fabriksverken Armour Piercing) rounds with the subsequent depth-of-penetration of the impacting projectile into backing Al 6082 blocks used to provide a measure of pressed ceramic ballistic response. When material areal density was accounted for via differing ballistic efficiency calculations a strong indication of particle morphology influence on post-impact ceramic properties was apparent. These results were reinforced by a separate small series of plate-impact experiments, whose results indicated that powder morphology had a strong influence on the nature of compact collapse. en_UK
dc.publisher Elsevier en_UK
dc.rights Attribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.title On the effects of powder morphology on the post-comminution ballistic strength of ceramics en_UK
dc.type Article en_UK
dc.identifier.cris 15539235


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