Ballistic Performance Evaluation of Kevlar-Glass Fibre Hybrid Composite Laminate against Medium Velocity Impact

Abstract:

In this paper, the post ballistic impact behaviour of kevlar-glass fibre hybrid composite laminates was investigated against 9×19 mm projectile. Eight different types of composite laminates with different ratios of kevlar woven fibre to glass fibre were fabricated using hand lay-up with epoxy matrix. Ballistic behaviour like ballistic Limit (V₅₀), energy absorption, specific energy absorption and Back Face Signature (BFS) were studied after bullet impact. The results indicated that as the Percentage of glass fibre is increased there was a linear increment in the ballistic behaviour. Addition of 16% kevlar fabric, composite sample meets the performance requirement of NIJ0101.06 Level III-A. Since the maximum specific energy absorption was observed in Pure Kevlar samples and the adding of glass fibre increases the weight and Areal Density of the sample, further investigations need to be carried out to utilize the potential of glass fibre for ballistic applications.

• Periodical: Advanced Materials Research (Volume 1165)
• Pages: 47-64
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1165.47
• Online since: July 2021
• Authors: Saurabh S. Kumar*, Rajesh G. Babu, U. Magarajan
• Keywords: Areal Density, Ballistic Limit, Energy Absorption, Failure Mechanism, Laminated Composite, Trauma

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