A study of the penetration behaviour of mild-steel-cored ammunition against boron carbide ceramic armours

Simple item page
dc.contributor.authorCrouch, Ian G.
dc.contributor.authorAppleby-Thomas, Gareth J.
dc.contributor.authorHazell, Paul J.
dc.date.accessioned2019-11-25T09:35:26Z
dc.date.available2019-11-25T09:35:26Z
dc.date.issued2015-03-13
dc.description.abstractIn this study, the penetration behaviour of a Mild Steel Cored (MSC) round, 7.62 mm in diameter and 39 mm in length, commonly known as the AK47 round, was studied since it still forms an important part of the threat spectrum for personnel body armour systems. Likewise, boron carbide strike face materials were selected since this armour material is often the material of choice for ultralightweight body armour systems for protection against this particular threat. The presence of two, relatively soft, intermediate materials (the copper jacket and filler material of the bullet, and a fibre-reinforced polymer cladding layer on the ceramic) between the mild steel core and the boron carbide target was examined using reverse ballistics techniques, flash x-radiography and round recovery measurements. This was supported by selective numerical simulations using the computer code ANSYS-AUTODYN. It was found that stripping of the jacket, from the AK47 MSC rounds, makes a difference to its penetrating ability: the mild steel core is significantly reduced in length, and mass, when the jacket is not present. The magnitude of this effect is much greater than previously reported for high-strength steel-cored rounds and for tungsten carbide-cored rounds. The penetration event appears to be a twostage process: mushrooming of the mild steel core on, or near, the surface of the ceramic, followed by a linear erosion process as the core penetrates the ceramic itself. The second step has not been reported previously for MSC rounds.en_UK
dc.identifier.citationCrouch IG, Appleby-Thomas G, Hazell PJ. A study of the penetration behaviour of mild-steel-cored ammunition against boron carbide ceramic armours. International Journal of Impact Engineering Volume 80, June 2015, pp. 203-211en_UK
dc.identifier.cris2444506
dc.identifier.issn0263-8223
dc.identifier.urihttps://doi.org/10.1016/j.ijimpeng.2015.03.002
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/14760
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectAK47 ammunitionen_UK
dc.subjectBoron carbide ceramic armouren_UK
dc.subjectReverse ballisticsen_UK
dc.subjectNumerical simulationsen_UK
dc.titleA study of the penetration behaviour of mild-steel-cored ammunition against boron carbide ceramic armoursen_UK
dc.typeArticleen_UK
dcterms.dateAccepted2015-03-03

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
penetration_behaviour_of_mild-steel-cored_ammunition-2015.pdf
Size:
1.32 MB
Format:
Adobe Portable Document Format
Description:
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.63 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Staff publications (CDS)