Manufacturing Technology 2021, 21(6):757-761 | DOI: 10.21062/mft.2021.092

Ballistic efficiency of hybrid laminates based on aramid and UHMWPE prepregs

Irena Beránková ORCID..., Regina Mikulíková ORCID..., Jan Křesťan ORCID...
Vojenský výzkumný ústav, s. p., Veslařská 230, 637 00 Brno, Czech Republic

The work is focused on comparison of ballistic efficiency of homogeneous laminates consisting of one type of prepreg based on aramid or UHMWPE and ballistic efficiency of hybrid laminates consisting of combitation of chosen prepregs layered in different order. For preparation of hybrid laminates the two types of aramid prepregs and two types of UHMWPE prepregs were chosen. The laminates were subjected to ballistic testing by fragment simulating projectile FSP G5 and their ballistic efficiency was evaluated by determination of ballistic limit V50. For more complex assessment of tested laminates with regard to ballistic efficiency and also their areal weight, the ballistic weight coefficient K, which is defined by quotient of V50 and areal weight, was determined for each laninate and then compared. Besides the ballistic efficiency the coherence of laminate layers after pressing and after shooting was also observed.

Keywords: Hybrid Laminates, Ballistic Efficiency, Ballistic Limit V50, Coherence
Grants and funding:

The work was supported by the Ministry of Defence of the Czech Republic in connection with platform 907 930.

Received: September 27, 2021; Revised: December 10, 2021; Accepted: December 20, 2021; Prepublished online: December 21, 2021; Published: January 8, 2022  Show citation

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Beránková I, Mikulíková R, Křesťan J. Ballistic efficiency of hybrid laminates based on aramid and UHMWPE prepregs. Manufacturing Technology. 2021;21(6):757-761. doi: 10.21062/mft.2021.092.
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