High Velocity Impact Behaviour of Hybrid-Fiber Engineered Cementitious Composite Panels

Abstract:

High-velocity impact behaviour of hybrid-fibre engineered cementitious composite (ECC) panels subjected to an impact from a hardened steel, ogive-nosed projectile at velocities between 300-700 m/s is investigated and reported in this paper. The new ECC mix contains a proportion of 0.75% volume high-modulus steel fibres and 1.25% volume low modulus polyvinyl-alcohol (PVA) fibres. The mix is designed to achieve a desired balance between the strain hardening behaviour and impact resistance of material required for impact and blast resistant structures. The new hybrid-fibre ECC demonstrates its excellent capability for impact resistance and strong potential as a protective material with reduced impact damage and distributed micro cracking.

• Periodical: Advanced Materials Research (Volumes 450-451)
• Pages: 563-567
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.450-451.563
• Online since: January 2012
• Authors: Joel Bell, Yi Xia Zhang, Khin Soe, Phillip Hermes
• Keywords: Engineered Cementitious Composites (ECC), High Velocity Impact, Hybrid-Fibre, PVA Fiber, Steel Fiber (SF)

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