Dynamic penetration of graphite/epoxy laminates impacted by a blunt-ended projectile

The dynamic penetration of graphite/epoxy laminates as a result of impact by a blunt-ended projectile is investigated in the present study. The ballistic limit is determined by a series of high-velocity impact tests. A dynamic finite element analysis is performed to simulate the penetration process...

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Veröffentlicht in:Composites science and technology 1993, Vol.49 (4), p.369-380
Hauptverfasser: Lee, S.-W.R., Sun, C.T.
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Sun, C.T.
description The dynamic penetration of graphite/epoxy laminates as a result of impact by a blunt-ended projectile is investigated in the present study. The ballistic limit is determined by a series of high-velocity impact tests. A dynamic finite element analysis is performed to simulate the penetration process in composite laminates. A previously developed static penetration model is incorporated into the analysis to predict the ballistic limit. The ballistic characteristics are represented by the relationship between the striking and residual velocities of the projectile. Good agreement between experimental data and computational results implies that the ballistic limit of graphite/epoxy laminates can be predicted by the present analysis without performing dynamic impact tests.
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1879-1050
language eng
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source Elsevier ScienceDirect Journals
subjects Applied sciences
ballistic limit
dynamic penetration
Exact sciences and technology
Forms of application and semi-finished materials
graphite/epoxy laminates
impact
Laminates
Polymer industry, paints, wood
static punch
Technology of polymers
title Dynamic penetration of graphite/epoxy laminates impacted by a blunt-ended projectile
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