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|Title: ||Laser sintered body armour – establishing single layer stab protection|
|Authors: ||Johnson, Andrew|
Bingham, Guy A.
Majewski, Candice E.
|Keywords: ||Laser sintering|
3D printed textiles
|Issue Date: ||2017|
|Publisher: ||© Emerald|
|Citation: ||JOHNSON, A., BINGHAM, G.A. and MAJEWSKI, C.E., 2017. Laser sintered body armour – establishing single layer stab protection. Rapid Prototyping Journal, In Press.|
The purpose of this research was to establish the minimum thickness required to provide stab protection in accordance with the United Kingdom Home Office Scientific Development
Branch (HOSDB) standards while testing a series of Laser Sintered planar specimens using instrumented test apparatus.
Planar test specimens were Laser Sintered in single layer thicknesses ranging from 1.00 to
15.00 mm in four material powder categories – Duraform® virgin; Duraform® 50/50 mix,
Duraform EX® virgin; and Duraform EX® 50/50 mix. All specimens were tested using
instrumented drop test apparatus and were impacted with established Stanley Tools 1992
trimming blades to the UK HOSDB KR1-E1 stab impact energy.
The research demonstrated that a minimum single planar specimen thickness of 11.00 mm,
manufactured from Duraform EX® 50/50 mix powder, was required to provide protection
against the HOSDB KR1-E1 level of stab impact energy. The alternative powder mixes tested within this experiment demonstrated poor levels of stab protection – with virgin powder specimens demonstrating no protection up to 15.00 mm, while Duraform® 50/50 mix
specimens demonstrating inconsistent performances.
This paper enhances on existing literature surrounding the manufacturing and testing of
Additive Manufactured stab resistant armour by adding further rigor to the testing of such specimens. In addition this research establishes key foundation characteristics which could be utilised for the future development of bespoke next-generation body armour garments realised via Laser Sintering.|
|Description: ||This paper is in closed access until 12 months after publication.|
|Version: ||Accepted for publication|
|Publisher Link: ||http://dx.doi.org/10.1108/RPJ-11-2015-0173|
|Appears in Collections:||Closed Access (Design School)|
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