Application of Wool in High-velocity Ballistic Protective Fabrics

Kanesalingam, S, Arnold, L and Padhye, R 2010, 'Application of Wool in High-velocity Ballistic Protective Fabrics', Textile Research Journal, vol. 80, no. 11, pp. 1083-1092.


Document type: Journal Article
Collection: Journal Articles

Title Application of Wool in High-velocity Ballistic Protective Fabrics
Author(s) Kanesalingam, S
Arnold, L
Padhye, R
Year 2010
Journal name Textile Research Journal
Volume number 80
Issue number 11
Start page 1083
End page 1092
Total pages 10
Publisher Sage Publications Ltd.
Abstract The protective power of typical aramid-based ballistic fabrics, when assembled into multi-layered panels designed to defeat high-velocity ballistic impacts, can be improved if wool is incorporated into the weave structure. Although the synthetic is still the primary energy-absorbent material, the wool plays a complementary role by increasing resistive interactions between the yarns and filaments. Wool restricts the lateral separation of the synthetic yarns and ensures that more directly impacted yarns are held in place to dissipate the impact energy. Wool increases the energy-absorption mechanism of yarn pull-in by increasing the longitudinal friction along the yarns/filaments, in particular near the free edges of the fabric layers. The wool absorbs water that may otherwise lubricate synthetic filaments and so improves the wet performance. Ballistics tests have shown that synthetic fabrics blended with wool can at least match the dry or wet ballistic performance of an equivalent pure Kevlar fabric when tested under National Institute of Justice (NIJ) Ballistic Standard Level III A. The inclusion of the wool can significantly improve the tear strength of pure synthetic ballistic fabrics.
Keyword(s) absorbent materials
absorption mechanisms
aramid
ballistic fabric
ballistic impact
ballistic performance
ballistic standard
ballistics tests
fabric layer
free edge
high velocity
impact energy
kevlar fabric
multi-layered
national Institute of Justice
primary energies
protective fabrics
pull-in
synthetic fabrics
synthetic filaments
synthetic yarns
tear strength
weave structures
DOI - identifier 10.1177/0040517509352517
Copyright notice © The Author(s), 2010
ISSN 0040-5175
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