The importance of considering both depth of penetration and crater volume in forwards-ballistic penetrative experiments

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dc.contributor.authorPowell, Dan
dc.contributor.authorAppleby-Thomas, Gareth J.
dc.contributor.authorPainter, Jonathan
dc.contributor.authorBrock, Fiona
dc.contributor.authorThirulogasingam, Thiru
dc.contributor.authorSagoo, Kam
dc.contributor.authorBrown, Nick
dc.contributor.authorLivesey, Chris
dc.date.accessioned2023-10-19T12:33:38Z
dc.date.available2023-10-19T12:33:38Z
dc.date.issued2023-09-26
dc.description.abstractThe most common method of analysing armour performance is the Depth of Penetration (DoP). However, this one-dimensional measurement does not provide insight into the method of penetration or energy absorbed by the target; the crater could be particularly narrow or very wide and yield the same DoP. Analysis of the crater through Crater Volume (CV) provides a more detailed metric to be used alongside DoP to visualise the crater, indicating whether energy was dispersed over a large area. CV provides a wider insight into how a material resisted penetration events, giving evidence of potential defeat mechanisms. Digital reconstruction of the craters using X-ray radiographs or Computed Tomography (CT) scanning can also provide a useful tool for computational models to be compared against. The simple calculation of CV through X-ray radiography and image processing has been demonstrated to be accurate to within ±6% of the CT scanned CV. Success in utilising this analytical tool was demonstrated through comparison of three armour configurations. A consistent difference in the ratio of DoP:CV was seen between steel targets, ceramic-steel targets and ceramic-air-steel targets, indicating variation in the defeat mechanism between the three target configurations.en_UK
dc.identifier.citationPowell D, Appleby-Thomas G, Painter J, et al., (2023) The importance of considering both depth of penetration and crater volume in forwards-ballistic penetrative experiments. In: 22nd Biennial Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter 2022, 10-15 July 2022, Anaheim, California, USA. Volume 2844, Issue 1, September 2023, Paper number 260011en_UK
dc.identifier.eissn1551-7616
dc.identifier.issn0094-243X
dc.identifier.urihttps://doi.org/10.1063/12.0020518
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/20406
dc.language.isoenen_UK
dc.publisherAIPen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectImage processingen_UK
dc.subjectCeramicsen_UK
dc.subjectComputational modelsen_UK
dc.subjectComputed tomographyen_UK
dc.subjectRadiographyen_UK
dc.titleThe importance of considering both depth of penetration and crater volume in forwards-ballistic penetrative experimentsen_UK
dc.typeConference paperen_UK

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